Microalgues: Cultiu i usos

CHLORELLA MICROALGA AND USE THEREOF IN WASTEWATER TREATMENT

Resumen de: WO2025086320A1

Provided are a Chlorella microalga and the use thereof in wastewater treatment, the microalga being Chlorella sp., and the accession number thereof being CCTCCM 20231952. The wastewater includes municipal wastewater, food processing wastewater, printing and dyeing industrial wastewater and animal husbandry breeding wastewater.

BIO-BASED TAURINE PRODUCTION

Resumen de: US2025137018A1

The present invention describes methods for the fermentative production of taurine-containing products from unicellular organisms. More particularly, the invention relates to genetic modifications of the taurine and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi. The invention also relates to fermentation and processing methods for the production of various taurine-containing products. The invention also relates to the use of the cells, fermentation broth or extracts that contain taurine to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, or agricultural production.

SYSTEM AND METHOD FOR CULTIVATING AND HARVESTING CYANOBACTERIAL BIOMASS

Resumen de: US2025136922A1

Disclosed is a system for cultivating and harvesting a cyanobacterial biomass. The system comprises at least one vessel that, when in operation, grows the cyanobacterial biomass in a nutrient growth media under regulated growth conditions and a base unit configured to receive the at least one vessel. The system also comprises at least one light source and a cultivation air pump that, when in operation, supplies light, heat and air to the at least one vessel. Notably, the cultivation air pump supplied air via a one-way air valve in the at least one vessel. The system also comprises at least one photodiode that, when in operation, measure a cyanobacterial biomass concentration in the at least one vessel. Disclosed also is a method for cultivating and harvesting a cyanobacterial biomass.

Probiotic Formulations for Improving Athletic Performance

Resumen de: US2025127827A1

A probiotic formulation is provided including one or more bacteria, bacterial strains or bacterial species of the genus Veillonella, genus Faecalibacterium, genus Phascolarctobacteria, genus Oscillospira, genus Ruminococcus, genus Bacteroides, genus Blautia, family Christensenellaceae, genus Dialister, or phylum cyanobacteria.

HIGH-PROTEIN MICROALGAL BIOMASS HAVING EXCELLENT PEPSIN DIGESTIBILITY, CULTURE METHOD AND USE THEREOF

Resumen de: US2025129325A1

The present disclosure provides high-protein microalgal biomass, a culture method and use thereof.

FLASHLIGHT INTERNALLY AND EXTERNALLY JACKETED SUPER HELICAL REACTOR

Resumen de: WO2025083712A1

The present invention relates to a Flash Light Internally and Externally Jacketed Super Helical Reactor including a system (100) and a method (300) for air purification, elevating oxygen levels, semi-purification of water, and fixing pollutants The system (100) includes an intake means (101) for contaminated liquid/air/gas, sensors (102,110) for measuring carbon and oxygen, UV filtration unit (103), an autoclave treatment system (104), mixing chamber (105), a water pump (106), photo system (107) with helical tubular coils (1) and LEDs, filter (108), and UV system (109) connected to each other. It also features a central heating or cooling system (111). The system (100) enhances oxygen levels, fixes CO2 for carbon credits, and provides effective treatment of waste gas and water. 15 It is user-friendly, highly efficient, and serves multiple purposes. The system (100) is suitable for any chemical reaction requiring extended residence time, microbial or yeast cultivation, and the growth of microalgae or macroalgae.

AGENT FOR INDUCING PLANT DISEASE RESISTANCE, METHOD FOR INDUCING PLANT DISEASE RESISTANCE, AND METHOD FOR PRODUCING AGENT FOR INDUCING PLANT DISEASE RESISTANCE

Resumen de: EP4541190A1

The present disclosure provides a plant disease resistance inducing agent that can effectively induce resistance to a plant disease. A plant disease resistance inducing agent according to the present disclosure contains a secretion product of a cyanobacterium.

NOVEL COSMETIC USE OF AN EXTRACT OF THE MICROALGA TISOCHRYSIS LUTEA

Resumen de: WO2025078336A1

The invention relates to the cosmetic use of a Tisochrysis lutea extract or of a composition comprising same, for reducing dry dandruff and/or preventing the occurrence and/or reoccurrence thereof. The invention also relates to a cosmetic care process comprising the topical application, to the dry scalp, dry eyebrows and/or dry beard, of a Tisochrysis lutea extract or of a composition comprising same, for reducing dry dandruff and/or preventing the occurrence and/or reoccurrence thereof, in particular in individuals having a dry scalp.

PHOTOBIOREACTOR SYSTEM FOR THE REDUCTION OF AMMONIA AND CARBON DIOXIDE GASES IN POULTRY HOUSES

Resumen de: US2025122454A1

Disclosed is a photobioreactor system that reduces pollutant gases, mainly ammonia and carbon dioxide, released in poultry houses with microalgae and reduces dust and particulate matter in the internal environment of the poultry house, and also creates a brighter and more spacious environment for animals in the internal environment, while creating an insulation effect on the exterior of the poultry house by integrating into the exterior wall.

MICROALGAE STRAIN HAVING EFFECT OF PROMOTING PLANT GROWTH AND USE THEREOF

Resumen de: US2025122464A1

The present application relates to a novel microalgae strain with the efficacy of promoting plant growth and a use thereof. When cultured in the presence of fermentation exhaust gas, a novel Chlorella vulgaris CD02-3002 strain according to an aspect grows fast with a high efficiency of photosynthesis and thus can effectively reduce the exhaust gas generated by microbial fermentation. Having the effect of promoting plant growth when applied to plants, a culture of the strain or a supernatant of the culture can be used as a fertilizer for plants and thus can be advantageously applied as a novel carbon reduction technique.

FERTILIZER PRODUCTION USING NITROGEN FIXING CYANOBACTERIA

Resumen de: WO2025079065A1

A method and system produce fertilizer products by growing cyanobacteria in a photobioreactor, the cyanobacteria performing nitrogen fixation using Nitrogen from the ambient air brought into the photobioreactor. The grown cyanobacteria is harvested from the photobioreactor as biomass, which is subject to anaerobic digestion in an anaerobic digestion reactor, to produce Ammonium, which is optionally subjected to nitrification, in a nitrification bioreactor, to produce the resultant fertilizer product.

INTEGRATED ALGAL AND CYANOBACTERIAL PROCESS FOR BIOPRODUCT MANUFACTURING

Resumen de: US2025115835A1

A bioproduct manufacturing system is disclosed. The system comprises a hollow-fiber primary membrane gas absorber comprising a shell side and a lumen, wherein the primary membrane gas absorber is configured to receive a carbonate salt-based solvent on the shell side and a gas mixture comprising oxygen, nitrogen, and carbon dioxide in the lumen, at least one runway algal cassette reactor-photobioreactor, and a growth medium circulating between the primary membrane gas absorber and the at least one runway algal cassette reactor-photobioreactor. The at least one runway algal cassette reactor-photobioreactor comprises at least one growth chamber coupled to and in fluid communication with a headspace channel so as to define an interior volume, a first condenser coupled to and in fluid communication with the headspace channel, and a harvest line in fluid communication with the at least one growth chamber and coupled to a filter.

CYNOBACTERIA CULTIVATION, SEDIMENTATION, AND UTILIZATION

Resumen de: US2025115501A1

The present invention is related to the fields of bioplastics. In particular, a strain of photosynthetic cyanobacteria (i.e. blue-green algae) having a high growth rate was engineered to overexpress limonene synthase. These engineered cyanobacteria improve auto-sedimentation for biomass harvest and provide for plastic bioremediation capture. Further, machine-learning methods are provided for improving some of the aspects of cultivating cyanobacteria including, but not limited to, assessing real-time light availability and predicting real-time algae growth rates to increase a cyanobacteria biomass.

COMPOSITION OF ISOLATED MICROORGANISMS AND USE THEREOF

Resumen de: WO2025073754A1

In a first aspect, the present invention relates to a composition of isolated microorganisms, wherein said microorganisms are in the form of viable microorganisms of at least the following genera: Microcoleus, Nostoc, Scytonema, Klebsormidium. This means that the mixture comprises at least cyanobacteria and a microalgae, preferably as a mixture with another microalgae. In a further aspect, the invention relates to a method for improving soils, comprising applying the composition of isolated microorganisms according to the invention to the soil. In particular, the invention relates to a method for improving the soil crust. Lastly, the present invention relates to the use of the composition of isolated microorganisms according to the invention for the improvement of soils, in particular for the (re)formation and improvement of soil crusts.

MODIFIED PROMOTER, EXPRESSION VECTOR, MICROORGANISM, PRODUCTION METHOD FOR SUBSTANCE, MODIFIED CYANOBACTERIA, AND MANUFACTURING METHOD FOR MODIFIED PROMOTER

Resumen de: EP4534667A1

The present disclosure provides a modified promoter with which the amount of expression of a protein-coding gene can be controlled with flexibility. The modified promoter according to the present disclosure is a modified promoter including a base sequence (SEQ ID NO: 1) located upstream of a start codon of a slr1841 gene, the base sequence consisting of 348 bases, or a base sequence having 80% or more homology with the base sequence represented by SEQ ID NO: 1, the base sequence being modified by at least one selected from the group consisting of (i) replacement of one or more bases included in the base sequence with another base, (ii) deletion of one or more bases included in the base sequence, and (iii) insertion of one or more bases into the base sequence.

METHOD FOR PRODUCING MICROALGAE CONCENTRATES WITH LOW VISCOSITY

Resumen de: EP4534644A1

The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.

A COMPACT MANNER OF GROWING MICROALGAE SUITABLE FOR CARBON SEQUESTRATION AND CREATING A CIRCULAR ECONOMY

Resumen de: AU2023279503A1

There are closed systems of growing microalgae but as they are not able to produce algal biomass economically they are very few and far between and are only used to grow microalgae for very expensive produce. These closed systems also require large space. The result of the lack of economic closed systems is why almost all algal biomass production currently uses raceway ponds. This invention integrates a new compact, very economic and highly productive closed system of growing microalgae including good parameter control with carbon sequestration from say a coal fired power plant or organic waste management in a way that makes the whole process financially attractive and cyclic and if desired it could be made carbon negative. The compact nature of this invention allows algal farms to be sited next to most sources of carbon dioxide.

EXPLOITATION OF WINE PROCESSING WASTE BY MEANS OF INTEGRATED BIOLOGICAL PROCESSES OF ANAEROBIC DIGESTION AND MICROALGAE CULTURE

Resumen de: WO2023233305A1

The present invention discloses a process mode of microalgal cultivation in semi- continuous on wine wastewater with no need to recirculate the microalgal biomass in the reactor, without dilution and sterilisation of the effluent applied as a growth medium. The process was experimentally carried out by semi-continuously applying, without recirculation of the biomass, the cultivation of Chlorella vulgaris on the digestate from the anaerobic co-digestion of winemaking lees and waste activated sludge. The integrated anaerobic digestion-microalgae treatment process is advantageous from a circular economy perspective as it leads to the exploitation of grape processing chain waste, eliminating the economic burden on producers and involving: i) the phyto-depuration of the effluent, ii) the production of bio- methane and iii) the production of biomass containing high value-added by-products (lipids, proteins and starch) that can be used to produce biodiesel, animal feed, nutraceuticals/pharmaceuticals and for producing bioplastics.

Continuous Flow Reactor for Conversion of Wastewater to Biohydrogen Using Activated Sludge and Microalgae

Resumen de: US2025109414A1

Apparatus 101 for producing a continuous stream of biohydrogen includes a continuous flow stirred tank reactor (CSTR) 12, lighting arrangement 13; ports 14; peristaltic pumps 16; and gas chromatograph (GC) 18. The CSTR 12 includes internal bioreactor chamber 20; a photosynthesizing microorganism inlet stream 22.1 for delivering Chlorella vulgaris; an organic waste inlet stream 22.2 for delivering wastewater activated sludge (WWAS); and a nutrient inlet stream 22.3 for delivering nutrients into the chamber 20; an outlet stream 24; and stirrers for stirring the contents of the chamber. The lighting 13 is provided by lamps 26 for transmitting light through a transparent sidewall of the chamber 20. The ports 14 and CG 18 are for taking measurements from the chamber 20. The pumps 16 control flowrate of the streams 22.1, 22.2, 22.3 and 24 for regulating biohydrogen production from fermentation while Chlorella vulgaris consumes oxygen to avoid biohydrogen conversion into methane.

EXTRACELLULAR VESICLES FROM GENETICALLY-MODIFIED MICROALGAE CONTAINING ENDOGENOUSLY-LOADED CARGO, THEIR PREPARATION, AND USES

Resumen de: US2025108080A1

Provided are compositions containing extracellular vesicles (MEVs) produced in and isolated from genetically-engineered microalgae, which encode cargo, such as nucleic acids and polypeptides. The MEVs are endogenously loaded by the microalgae with the cargo. The MEVs have a variety of applications as a delivery system for therapeutics, including vaccines, anti-cancer therapeutics, diagnostics, and other such uses. The fate of MEVs upon administration depends upon the route of administration.

COMPOSITION FOR MAINTAINING OR INCREASING FIBROUS STRUCTURAL PROTEIN

Resumen de: WO2025070726A1

The purpose of the present invention is to provide a preparation that is effective for maintaining or increasing a hair fibrous structural protein. Provided are a composition for maintaining or increasing a fibrous structural protein, a composition for maintaining or increasing skin elasticity, a composition for improving hair quality, and a composition for promoting the production of collagen, elastin, or hyaluronic acid, wherein each of the compositions contains a culture supernatant of microalgae and/or extracellular vesicles of microalgae.

A METHOD FOR PREPARING AND SELECTING A POLYMERIC FLOCCULANT FOR USE IN HARVESTING MICROALGAE

Resumen de: AU2023350703A1

The present invention relates to a method for harvesting microalgae, the method comprising (i) mixing one or more monomers, a photoinitiator, water and a deoxygenation system to form a mixture; (ii) exposing the mixture to UV light so as to form an aqueous solution of one or more polymers; (iii) introducing the aqueous solution of one or more polymers to a suspension comprising microalgae in an amount sufficient to produce flocculated microalgae; and (iv) harvesting the flocculated microalgae. The present invention also relates to a method for preparing and selecting a polymeric flocculant for use in harvesting microalgae and a related apparatus.

PLANT DISEASE RESISTANCE INDUCING AGENT, PLANT DISEASE RESISTANCE INDUCING METHOD, AND METHOD FOR PRODUCING PLANT DISEASE RESISTANCE INDUCING AGENT

Resumen de: US2025098687A1

The present disclosure provides a plant disease resistance inducing agent that can effectively induce resistance to a plant disease. A plant disease resistance inducing agent according to the present disclosure contains a secretion product of a cyanobacterium.

METHOD FOR CULTURING MICROALGAE USING AIR

Resumen de: WO2025063640A1

The present invention relates to a method for culturing microalgae by using air. The method for culturing microalgae according to an embodiment of the present invention, in which microalgae is cultured inside a reactor, comprises: a step for adding a growth medium and limestone to the inside of the reactor; a step for supplying air to the inside of the reactor to which the growth medium and limestone were added, the air being supplied using an air pump; and a step for inoculating microalgae inside the reactor supplied with air, and growing the microalgae by performing a first photo-culture.

METHOD FOR CULTURING MICROALGAE USING AIR

Resumen de: KR20250041590A

본 발명은 공기를 활용한 미세조류 배양방법에 관한 것으로, 본 발명의 실시예에 따른 미세조류 배양방법은 반응기의 내부에서 미세조류를 배양하는 미세조류 배양방법에 있어서, 반응기의 내부에 성장기 배지 및 라임스톤(limestone)을 첨가하는 단계, 공기펌프를 이용해 성장기 배지 및 라임스톤이 첨가된 반응기의 내부에 공기를 공급하는 단계, 및 공기가 공급된 반응기의 내부에 미세조류를 접종하고 제1 광배양하여 미세조류를 성장시키는 단계를 포함한다.

MICROALGAE CULTURE APPARATUS

Resumen de: WO2025058231A1

The present invention relates to a microalgae culturing apparatus comprising: a housing which has a predetermined installation space thereinside; a culture unit which is made of a transparent material and is provided in the form of a water tank having an algae culture space filled with microalgae and a culture medium therein so as to be capable of installation in or removal from the installation space in the housing; a culture unit connection part which is provided on one side of the installation space in the housing so as to, when the culture unit is placed and installed thereon, maintain a watertight state and have a connection structure in which the inside of the culture unit and the inside of the culture unit connection part communicate with each other; a lighting part which is installed on one side of the installation space in the housing and outputs and provides light toward the culture unit when the lighting unit is driven; an air supply unit which is connected to the lower portion of the culture unit connection part and provides an air supply path for supplying air introduced into the installation space from the outside of the housing to the algae culture space in the culture unit; and a culture medium circulation unit which is connected to the lower portion of the culture unit connection part so as to suck in the microalgae and the culture medium discharged to the lower portion of the algae culture space in the culture unit and circulate and discharge the microalgae

CONTINUOUS MICROALGAE HARVESTING AND CULTIVATING APPARATUS

Resumen de: KR20250038982A

미세조류 배양 및 수확장치가 개시된다. 본 발명에 따른 미세조류 배양 및 수확장치는, 내부공간을 형성하는 프레임과, 투명재질로 이루어져 상기 내부공간의 전방을 개폐하도록 상기 프레임에 마련되는 도어와, 투명재질로 이루어지고 상기 프레임의 좌,우측과 후방에 결합되어 상기 내부공간을 외부와 구분하는 각각의 수직판재와, 배양액이 유입되기 위한 배관 연결구를 구비하여 상기 프레임의 상부에 결합되는 빛이 투과되도록 투명재질로 된 상부판재를 포함하는 본체; 메쉬가 서로 다른 메쉬망을 각각 구비하여 상기 본체의 내부공간에 수직방향으로 간격을 유지하여 각각 설치되되, 상부에서 하부로 갈수록 메쉬가 점차 작은 메쉬망이 위치하도록 설치되고, 상기 도어를 통하여 인출 가능하게 설치되는 다수개의 수확용 트레이; 및 상기 배관 연결구를 통하여 공급되는 배양액이 각 상기 수확용 트레이의 각 메쉬망을 통과한 후 수집되도록 상기 본체의 하부에 마련되는 임시 저장탱크를 포함하고, 상기 배관 연결구를 통하여 공급되는 배양액이 각 상기 수확용 트레이의 각 상기 메쉬망을 차례로 통과하여 상기 임시 저장탱크로 수집되는 과정에서 각 상기 메쉬망에 걸러진 미세조류가 공급되는 배양액에 의해 배양되고,

MICROALGAE CULTURING APPARATUS

Resumen de: WO2025058231A1

The present invention relates to a microalgae culturing apparatus comprising: a housing which has a predetermined installation space thereinside; a culture unit which is made of a transparent material and is provided in the form of a water tank having an algae culture space filled with microalgae and a culture medium therein so as to be capable of installation in or removal from the installation space in the housing; a culture unit connection part which is provided on one side of the installation space in the housing so as to, when the culture unit is placed and installed thereon, maintain a watertight state and have a connection structure in which the inside of the culture unit and the inside of the culture unit connection part communicate with each other; a lighting part which is installed on one side of the installation space in the housing and outputs and provides light toward the culture unit when the lighting unit is driven; an air supply unit which is connected to the lower portion of the culture unit connection part and provides an air supply path for supplying air introduced into the installation space from the outside of the housing to the algae culture space in the culture unit; and a culture medium circulation unit which is connected to the lower portion of the culture unit connection part so as to suck in the microalgae and the culture medium discharged to the lower portion of the algae culture space in the culture unit and circulate and discharge the microalgae

T CELL DIFFERENTIATION-REGULATING AGENT AND COMPOSITION

Resumen de: US2025090611A1

It is an object of the present invention to provide a means capable of appropriately regulating differentiation of T cells, in order to avoid overactivation of T cells after stimulation of the T cells with superantigens or the like and the subsequent decrease in the immune functions (exhaustion of the immune system). The present invention relates to a T cell differentiation-regulating agent, comprising, as an active ingredient, an algal body of microalgae belonging to the genus Coccomyxa, a dry powder thereof, or an extract thereof.

Outdoor air clearing device using microalgae

Resumen de: KR20250036368A

본 발명은 내부에 유동공간이 마련되며, 상기 유동공간으로 공기가 유입될 수 있도록 유입구와 배출구가 형성된 본체와 상기 본체에 설치되어 공기를 상기 유입구로 유입되어 상기 배출구로 배출되도록 강제 송풍시키는 송풍유닛과 상기 유동공간 내에 설치되며, 내부에 미세조류가 생장되는 배양액이 수용되는 저수공간이 마련된 배양수조와, 상기 유동공간으로 유입된 공기 중 이산화탄소를 소비하여 산소가 발생되도록 상기 미세조류가 광합성할 수 있게 상기 배양수조 내에 광을 조사하는 광원부가 마련된 배양유닛 및 상기 유동공간으로 유입된 공기 중 이물질을 걸러낼 수 있도록 상기 배양수조에 수용된 배양액 중 일부를 상기 유동공간을 통과하는 공기와 접촉시킨 다음, 상기 배양수조로 회귀시키는 접촉유닛을 특징으로 한다. 본 발명에 따르면, 건물 밖에 야외에 설치되어 미세조류를 이용하여 공기 내의 산소 농도를 증가시키거나 먼지를 제거 할 수 있도록 하는 미세조류를 이용한 야외 공기 클리어 장치를 제공하는 것이다.

MICROALGAE-BASED SOIL INOCULATING SYSTEM AND METHODS OF USE

Resumen de: US2025081908A1

Some embodiments include a microalgae culturing system including a bioreactor adapted to propagate microalgae in a culture solution using in combination at least one of natural and artificial light, and at least one nutrient including at least a carbon source, where the microalgae are freely suspended in and form part of the culture solution. A microalgae feed source is coupled to the bioreactor and a first controller between a water conditioning assembly and the bioreactor. The water conditioning assembly is coupled as an input of supply water to the bioreactor, and configured to condition the supply water to a specified purity that enables substantially unhindered growth of the microalgae in the culture solution to a specified concentration, and the first controller is configured to control supply of the microalgae feed source to the bioreactor.

SUSTAINABLE CURTAIN WALL

Resumen de: US2025084355A1

A microalgae curtain wall includes photobioreactors, an interior glass panel, an exterior glass panel, and transoms. The photobioreactors are adapted to receive sunlight and carbon dioxide to grow microalgae received therein. The exterior glass panel is offset from the interior glass panel forming a gap therebetween. The transoms hold the interior glass panel and the exterior glass panel therebetween. The transoms suspend the photobioreactors in the gap and between the interior glass panel and the exterior glass panel.

GREENHOUSE GAS PRODUCTION INHIBITOR, COMPOSITION FOR SUPPRESSING GREENHOUSE GAS PRODUCTION, FEED COMPOSITION FOR SUPPRESSING GREENHOUSE GAS PRODUCTION, FOOD COMPOSITION FOR SUPPRESSING GREENHOUSE GAS PRODUCTION, PHARMACEUTICAL COMPOSITION FOR SUPPRESSING GREENHOUSE GAS PRODUCTION, METHOD FOR SUPPRESSING GREENHOUSE GAS PRODUCTION, PROPIONIC ACID PRODUCTION PROMOTER, COMPOSITION FOR PROMOTING PROPIONIC ACID PRODUCTION, FEED COMPOSITION FOR PROMOTIN

Resumen de: WO2025047986A1

This greenhouse gas production inhibitor contains microalgae belonging to the genus Coccomyxa.

A METHOD FOR CULTIVATION OF MIXOTROPHIC MICROALGAE

Resumen de: WO2025048631A1

The present invention relates to the cultivation of mixotrophic microalgae. More particularly, the present invention relates to a method for cultivation of mixotrophic microalgae, comprising the steps of (a) acidifying a feedstock obtained from palm oil industry using hydrolytic microorganisms, acidogenic microorganisms, and acetogenesis microorganisms under a pH environment between 4 to 5.5 in a first area and obtaining a liquid mixture comprising short-chain organic acids and minerals; (b) feeding the liquid mixture into a second area, wherein the second area comprises microalgae and has a pH environment between 5 to 7; and (c) providing circulation in the first area, second area, or a combination thereof, whereby sediments formed at the bottom is displaced in an upward manner in order to be exposed to air and light in proximity to the surface of the respective area. In the first area, the circulation allows acidification of the feedstock to proceed in a non-anaerobic condition. In the second area, the circulation allows the mixotrophic microalgae at the bottom of the second area to be exposed to air and light so as to improve cultivation efficiency while preventing formation of anaerobic pockets in the liquid mixture which favour the growth of undesirable microorganisms, such as methanogenic microorganisms.

ALGAE HARVESTING DEVICE AND METHODS OF USE

Resumen de: US2025075166A1

The present disclosure provides, among other things, devices and methods for harvesting algae (e.g., microalgae) from algae culture growth media to produce a dried algae product and purified water.

Air cleaning device using microalgae that can be installed outdoors.

Resumen de: KR20250030603A

본 발명은 내부에 유동공간이 마련되며, 상기 유동공간으로 공기가 유입될 수 있도록 유입구와 배출구가 형성된 본체와 상기 본체에 설치되어 공기를 상기 유입구로 유입되어 상기 배출구로 배출되도록 강제 송풍시키는 송풍유닛과 상기 유동공간 내에 설치되며, 내부에 미세조류가 생장되는 배양액이 수용되는 저수공간이 마련된 배양수조와, 상기 유동공간으로 유입된 공기 중 이산화탄소를 소비하여 산소가 발생되도록 상기 미세조류가 광합성할 수 있게 상기 배양수조 내에 광을 조사하는 광원부가 마련된 배양유닛 및 상기 유동공간으로 유입된 공기 중 이물질을 걸러낼 수 있도록 상기 배양수조에 수용된 배양액 중 일부를 상기 유동공간을 통과하는 공기와 접촉시킨 다음, 상기 배양수조로 회귀시키는 접촉유닛을 특징으로 한다. 본 발명에 따르면, 건물 밖에 옥외에 설치되어 미세조류를 이용하여 공기 내의 산소 농도를 증가시키거나 먼지를 제거 할 수 있도록 하는 옥외 설치 가능한 미세조류를 이용한 공기정화 장치를 제공하는 것이다.

Active desert microalgae biological fertilizer and application thereof

Resumen de: CN119530085A

The invention discloses an active desert microalgae biological fertilizer and application thereof, and belongs to the technical field of biological fertilizers. The active desert microalgae biological fertilizer is prepared from the following components in percentage by weight: 10 to 50 percent of cyanobacteria nitrogen fixation, 10 to 30 percent of microcoleus vasinatus, 10 to 50 percent of chlorella pyrenoidosa, 10 to 30 percent of Scenedesmus armatus, 10 to 50 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens, 10 to 30 percent of bacillus amyloliquefaciens and 10 to 30 percent of bacillus The microalgae in the desert microalgae biological fertilizer is in a living body state, can perform a series of life activities such as cell reproduction and metabolism, is vigorous in vitality and high in carbon fixation and nitrogen fixation efficiency, and can remarkably improve the soil fertility, provide nutrition for crop growth, prevent soil hardening and improve the stress resistance of crops.

Algal toxin degrading enzyme, gene, recombinant vector, production strain, preparation method and application thereof

Resumen de: CN119530180A

The invention provides an algal toxin degrading enzyme, a gene, a recombinant vector, a production strain, a preparation method and application thereof, and relates to the field of gene engineering. The algal toxin degrading enzyme provided by the invention can be applied to the pH environmental condition of pH 6.0-pH 12.0, the optimum pH is 10.0, and even under the strong alkali conditions of pH 11.0 and pH 12.0, the enzyme activity can be kept 80% and 70% of the highest activity. The algal toxin degrading enzyme can be used at the temperature of 15-80 DEG C, the optimum reaction temperature is 50 DEG C, and the enzyme activity can be kept 50% of the highest activity even at the high temperature of 70 DEG C. The algal toxin degrading enzyme disclosed by the invention can degrade algal toxin under high-temperature or/and strong-alkalinity environmental conditions, is widely applied to water bodies, such as lakes, rivers, reservoirs, aquaculture water bodies and the like, which have serious cyanobacterial bloom and are polluted by the algal toxin, and meanwhile, the algal toxin degrading enzyme can be used for degrading the algal toxin. The method can also be used in the fields of non-toxic treatment of algae source products polluted by algal toxins and resource application of algae products, and is ecological, safe, green and low-carbon.

Application of microalgae-based emulsion gel as mayonnaise substitute and preparation method of microalgae-based emulsion gel

Resumen de: CN119523076A

The invention discloses application of microalgae-based emulsion gel as a mayonnaise substitute and a preparation method of the microalgae-based emulsion gel. The preparation method comprises the following steps: taking microalgae powder as a substrate, mixing the substrate with a mixture (or water) of water, food polysaccharide, table salt, table vinegar and white granulated sugar to prepare algae mud, then adding edible oil, uniformly stirring and mixing with a homogenizer to obtain microalgae-based emulsion gel, and in addition, repeatedly washing and centrifuging the microalgae-based emulsion gel to obtain the microalgae-based high-internal-phase emulsion gel. The prepared emulsion gel is stable in state, has good smearing performance, can be used as a substitute of mayonnaise, is beneficial to high-value utilization of microalgae, and widens the application range of the microalgae-based emulsion gel in the field of food.

Method for increasing oil content of microalgae by using traditional Chinese medicine residue water extract and application

Resumen de: CN119530012A

The invention discloses a method for increasing the oil content of microalgae by using a traditional Chinese medicine residue water extract and application of the method. The method comprises the following steps: mixing traditional Chinese medicine residues with water according to a specific ratio, boiling, filtering, adding into a microalgae culture medium, and culturing for 5-7 days. The method disclosed by the invention has the advantages that (1) abundant plant active ingredients in the water extract of the traditional Chinese medicine residues are utilized to regulate the metabolic pathway of the microalgae, promote the grease synthesis of the microalgae and remarkably improve the grease content of the microalgae; (2) according to the method, a specific microalgae variety is selected, and a traditional Chinese medicine residue water extract is added in the culture process, so that the optimal accumulation effect of the microalgae grease is realized, and the grease production efficiency and sustainability are ensured; (3) on one hand, the method obviously improves the grease content of microalgae cells, and on the other hand, realizes resource reutilization of the traditional Chinese medicine residues, thereby reducing the waste treatment pressure in the traditional Chinese medicine industry; and (4) the method provides a new idea for development and application of sustainable biological energy sources such as biodiesel.

Method for improving quality and efficiency of drought alkali wheat by microalgae

Resumen de: CN119522797A

The invention relates to the field of agriculture, in particular to a method for improving the quality and efficiency of Alkaline wheat by microalgae, which comprises the following steps: step S100, screening out a microalgae variety which adapts to the growth environment of Alkaline wheat and has strong salt tolerance and drought tolerance; step S200, culturing the obtained microalgae variety which adapts to the growth environment of the dry alkaline wheat and is high in salt tolerance and drought tolerance, and preparing the cultured microalgae into a liquid microalgae preparation; s300, the microalgae preparation is applied in a soil surface spraying and root irrigation mode; after the microalgae preparation is applied through soil surface spraying and root irrigation, the protein content of the drought alkali wheat is averagely increased by 5%-7%, the nutritional quality is remarkably improved, the soil organic matter content is increased by 27%-35%, and then the microalgae preparation is used for improving the quality and efficiency of the drought alkali wheat.

CELL CULTURE COMPOSITION CONTAINING MICROALGAE EXTRACT AND USE THEREOF

Resumen de: AU2023396599A1

The present invention relates to a cell culture composition containing an extract from microalgae of the Thraustochytrid family. It has been found that when muscle cells are cultured in a medium containing an extract derived from the biomass of microalgae belonging to the Thraustochytrid family according to the present disclosure, the proliferative capacity of muscle cells is enhanced. Therefore, the cell culture composition including the microalgae extract can be used as a substitute for fetal bovine serum among the components of cell culture media.

ANTIOXIDANT, METHOD FOR REMOVING OXYGEN RADICALS, AND METHOD FOR PRODUCING ANTIOXIDANT

Resumen de: WO2025041758A1

The present disclosure provides a new antioxidant using cyanobacteria. An antioxidant according to the present disclosure contains a secretion product of cyanobacteria.

AGENT FOR ACTIVATING HAIR DERMAL PAPILLA CELLS

Resumen de: WO2025041852A1

The purpose of the present invention is to provide a pharmaceutical preparation that effectively activates hair dermal papilla cells. Provided is a composition for activating hair dermal papilla cells, a composition for promoting hair growth or for hair restoration, a composition for improving hair quality, and a composition for promoting production of FGF-2, FGF-7, or VEGF, the compositions containing microalgae culture supernatant and/or microalgae extracellular vesicle.

NICOTINAMIDE ADENINE DINUCLEOTIDE PRODUCTION PROMOTER AND METHOD FOR PRODUCING NAD PRODUCTION PROMOTER

Resumen de: WO2025041655A1

The purpose of the present disclosure is to provide a nicotinamide adenine dinucleotide (NAD) production promoter derived from a novel material, and a method for producing the NAD production promoter. The technology disclosed herein relates to an NAD production promoter and is characterized by containing a Euglena-derived substance, which is a component derived from microalgae belonging to the genus Euglena. It is confirmed that the NAD production promoter has an NAD-production-promoting action on a living animal body. Because NAD production promoter uses microalgae belonging to Euglena as a material, the NAD production promoter can be stably supplied by means of culturing.

MODIFIED PROMOTER, EXPRESSION VECTOR, MICROORGANISM, METHOD FOR PRODUCING SUBSTANCE, MODIFIED CYANOBACTERIUM, AND METHOD FOR PREPARING MODIFIED PROMOTER

Resumen de: US2025066801A1

The present disclosure provides a modified promoter with which the amount of expression of a protein-coding gene can be controlled with flexibility. The modified promoter according to the present disclosure is a modified promoter including a base sequence (SEQ ID NO: 1) located upstream of a start codon of a slr1841 gene, the base sequence consisting of 348 bases, or a base sequence having 80% or more homology with the base sequence represented by SEQ ID NO: 1, the base sequence being modified by at least one selected from the group consisting of (i) replacement of one or more bases included in the base sequence with another base, (ii) deletion of one or more bases included in the base sequence, and (iii) insertion of one or more bases into the base sequence.

HIGH-PROTEIN MICROALGAL BIOMASS HAVING EXCELLENT PEPSIN DIGESTIBILITY, CULTURE METHOD AND USE THEREOF

Resumen de: EP4512888A1

The present invention relates to high-protein microalgal biomass having excellent pepsin digestibility, a culture method and use thereof. A composition disclosed in the present invention has a high protein content, but also contains omega-3 fatty acids, which are useful fatty acids similar to those in fish meal, and thus can directly replace fish meal when mixing animal feed.

Closed marine microalgae culture system

Resumen de: CN119506048A

The invention relates to the field of microalgae culture, in particular to a closed marine microalgae culture system which comprises a greenhouse, a water pool is arranged in the greenhouse, a buoyancy device and a wave making device float in the water pool, a photosynthesis device is arranged on the buoyancy device and is in an upward convex shape, and the photosynthesis device comprises a transparent outer shell and a transparent inner shell. A photosynthesis cavity is formed between the transparent outer shell and the transparent inner shell, an exhaust valve is arranged at the top of the transparent outer shell and communicated with the photosynthesis cavity, the bottoms of the transparent outer shell and the transparent inner shell are both connected with the annular bottom shell in a sealed mode, and a feeding port and a discharging port are formed in the annular bottom shell. A gas uniformizing component is arranged at the bottom of the photosynthesis cavity. The greenhouse provided by the invention can provide a good environment for marine microalgae culture, and is beneficial to the growth of microalgae; meanwhile, the light receiving area of the photoreactor is large, and algae are not easily adsorbed on the container wall; the photoreactor floats in the water tank, so that stirring of a culture solution in the photoreactor is facilitated.

Method for determining exfoliation of outer membrane of cyanobacteria, device for determining exfoliation of outer membrane of cyanobacteria, and program

Resumen de: CN119522288A

The present disclosure provides a method for determining exfoliation of an outer membrane of cyanobacteria capable of easily determining whether or not the outer membrane has been exfoliated from a cell wall. A method for determining exfoliation of an outer membrane of cyanobacteria according to the present invention comprises: a measurement step (S01) for measuring the concentration of at least one amino acid selected from the group consisting of isoleucine, leucine, tyrosine and phenylalanine in a culture supernatant of cyanobacteria; and a determination step (S02) for determining whether or not the outer membrane of the cyanobacteria has been peeled off from the cell wall on the basis of the concentration of the at least one type of amino acid measured in the measurement step.

Method for improving soil fertility and enzyme activity of rice field by using nitrogen-fixing cyanobacteria biological membrane

Resumen de: CN119506138A

The invention relates to a method for improving soil fertility and enzyme activity of a rice field by using a nitrogen-fixing cyanobacteria biological membrane, which comprises the following steps: step 1, expanding propagation of nitrogen-fixing cyanobacteria: selecting anabaena globifera as a rice field application algae species, and performing expanding culture on the algae species to obtain a nitrogen-fixing cyanobacteria secondary algae species; step 2, applying nitrogen-fixing cyanobacteria: applying the nitrogen-fixing cyanobacteria in a rice base fertilizer period and a tillering period, and replacing part of chemical fertilizer with the nitrogen-fixing cyanobacteria to reduce the application amount of the chemical fertilizer; secondly, the nitrogen-fixing cyanobacteria returns to the rice field through biological nitrogen fixation and rotting decomposition of dead algae, the content of nitrogen and carbon in the soil is increased, the soil fertility is improved, and the nitrogen-fixing cyanobacteria can provide nutrient substances for microorganisms in the soil, improve the enzyme activity of the soil and improve the quality of the soil when applied to the rice field.

Refractive braided tube hollow fiber membrane light tree bioreactor

Resumen de: CN119506044A

The invention discloses a refractive braided tube hollow fiber membrane light tree bioreactor. The bioreactor comprises a transparent tank body made of a transparent material, the inner layer of a membrane wire is a refraction braided tube, the outer layer of the membrane wire is a polymer film with biological friendliness, and the refraction braided tube is used for introducing and uniformly distributing an external light source into the whole bioreactor to provide necessary illumination conditions for microalgae. The reactor can effectively capture carbon dioxide and utilize microalgae for resourceful culture. The reactor system provides a suitable microalgae growth environment with sufficient light and sufficient carbon sources for microalgae through gas-liquid separation, and promotes rapid growth of microalgae. The reactor can be applied to the fields of industrial waste gas treatment, greenhouse gas emission reduction, biological energy production, aquaculture wastewater and the like. A CO2 trapping technology is organically combined with a CO2 biosynthesis and resource utilization technology, so that efficient trapping and resource utilization of CO2 are realized.

Method for controlling bacterial pollution in microalgae culture and culture device thereof

Resumen de: CN119506068A

The invention discloses a control method for bacterial pollution in microalgae culture and a culture device thereof, and relates to the field of microalgae culture, and the control method comprises the following steps: step 1, carbon dioxide supply: when microalgae are cultured in a transparent incubator, when a carbon dioxide sensor detects that carbon dioxide in the incubator is smaller than a preset interval, the carbon dioxide sensor detects that carbon dioxide in the incubator is smaller than the preset interval; the valve is opened, so that the carbon dioxide enters the air supply pipeline through the communicating pipe, the circular reducer pipe and the connecting pipe, and then is sprayed into the nutrient solution from the spray head; 2, carbon dioxide is dissolved, when the carbon dioxide passes through a round reducer pipe, a driving assembly in a treatment mechanism is driven, namely, an impeller rotates, the impeller transmits rotating force to a third straight gear, the rotating third straight gear drives a gear ring in a stirring assembly to rotate, and the carbon dioxide is stirred; a gear ring drives a stirring rod to stir a nutrient solution by controlling a horizontal plate to cooperate with sprayed bubbles, so that the dissolution of carbon dioxide is accelerated, the growth conditions of microalgae are optimized, and the growth of bacteria is inhibited; and step 3, cleaning the inner wall of the box: when a horizontal plate moves, pushing a pushing block

Landscape lighting and outdoor algae ecological'light tree 'bioreactor

Resumen de: CN119506045A

The invention discloses a landscape illumination and outdoor algae ecological'light tree 'integrated bioreactor, which can provide illumination for algae by utilizing sunlight in the daytime, and can provide necessary illumination conditions for microalgae by utilizing artificial light sources such as street lamps and automobile light at night, and meanwhile, energy is saved. Through efficient photosynthesis, the reactor can remarkably absorb CO2 in the atmosphere, and greenhouse gas emission is reduced. The bioreactor further comprises a landscape lighting device, soft green light can be emitted at night by means of street lamps, the attractive landscape effect is formed, and the night visual attraction of a city is improved. The CO2 supply device ensures that the algae grow in a proper environment through CO2 absorbers arranged around the main body structure. The overall design not only has an environmental protection function, but also can be used as a part of urban landscape, enhances the aesthetic property and environmental awareness of cities, and is suitable for various outdoor environments such as urban green lands, parks and streets.

High-efficiency self-luminous fiber'light tree 'bioreactor and microalgae culture technology thereof

Resumen de: CN119506046A

A high-efficiency self-luminous fiber'light tree 'bioreactor is characterized in that components of the bioreactor are provided with light guide fiber tubes, membrane filaments of a hollow fiber membrane are prepared by blending polymers and self-luminous materials, and the hollow fiber membrane has high light transmission to promote photosynthetic biological reaction. The reactor can effectively capture carbon dioxide and utilize microalgae for resourceful culture. The reactor system provides a suitable microalgae growth environment with sufficient light and sufficient carbon sources for microalgae through gas-liquid separation, and promotes rapid growth of microalgae. The reactor can be applied to the fields of industrial waste gas treatment, greenhouse gas emission reduction, biological energy production, aquaculture wastewater and the like. A CO2 trapping technology is organically combined with a CO2 biosynthesis and resource utilization technology, so that efficient trapping and resource utilization of CO2 are realized.

Method for screening and cultivating yellow chlorella pyrenoidosa mutant strain capable of rapidly growing

Resumen de: CN119506094A

The invention relates to the field of microalgae breeding, in particular to a method for screening and cultivating yellow chlorella pyrenoidosa mutant strains capable of rapidly growing, which mainly comprises the following steps: marking wild type chlorella pyrenoidosa on a flat plate, selecting single algae colonies for activation culture, and culturing the single algae colonies to obtain the yellow chlorella pyrenoidosa mutant strains. The yellow chlorella pyrenoidosa capable of rapidly growing is screened and cultured, the yellow chlorella pyrenoidosa is cultured for 4-6 days under the heterotrophic condition of 25-30 DEG C, the color characterization is stable, the hereditary character of the yellow chlorella pyrenoidosa can be judged to be relatively stable, the growth rate is high, the chlorophyll content is remarkably lower than that of wild type chlorella pyrenoidosa, the biomass of the next day can reach 2.1 g/L under the condition that the optimal carbon source is 5g/L, and the yield is high. Compared with wild type chlorella pyrenoidosa, the invention has the advantages that the content of xanthophyll and biomass are higher than those of wild type chlorella pyrenoidosa, the amino acid composition is excellent, the EAA/TAA value is 44.74%, and the EAA/NEAA ratio is 0.81, so that the chlorella pyrenoidosa has the potential of replacing traditional edible resources, can be used as an optimal substitute of traditional food due to the excellent protein quality, and bro

CO2 trapping and recycling photoconductive enhanced osmunda culture'light tree 'bioreactor

Resumen de: CN119506047A

The invention discloses a photoconductive enhanced osmunda culture'light tree 'bioreactor for CO2 capture and resource utilization. The bioreactor comprises a transparent tank body made of a transparent material, and refractive fibers and hollow fibers are embedded in the transparent tank body. The refractive fiber is made of a high-light-conductivity material, can introduce and uniformly distribute an external light source into the whole bioreactor, and provides necessary illumination conditions for microalgae. The reactor can effectively capture carbon dioxide and utilize microalgae for resourceful culture. The reactor system provides a suitable microalgae growth environment with sufficient light and sufficient carbon sources for microalgae through gas-liquid separation, and promotes rapid growth of microalgae. The reactor can be applied to the fields of industrial waste gas treatment, greenhouse gas emission reduction, biological energy production, aquaculture wastewater and the like. A CO2 trapping technology is organically combined with a CO2 biosynthesis and resource utilization technology, so that efficient trapping and resource utilization of CO2 are realized.

Method for regulating and controlling synthesis of microalgae fatty acid by using long-chain carbon signal substance and application of long-chain carbon signal substance

Resumen de: CN119506183A

The invention provides a method for regulating and controlling synthesis of microalgae fatty acid by using a long-chain carbon signal substance and application thereof, and the method for regulating and controlling synthesis of microalgae fatty acid by using the long-chain carbon signal substance comprises the following steps: culturing microalgae by using a culture medium to obtain a microalgae culture solution; then, a long-chain carbon signal substance is prepared into a solution, the long-chain carbon signal substance is C14-HSL, and the structural formula of the C14-HSL is shown in the formula I; adding a long-chain carbon signal substance solution into the microalgae culture solution to obtain a mixed solution; and culturing the mixed solution. According to the method, the C14-HSL signal substance is inoculated into the microalgae culture solution, so that the growth of microalgae can be effectively promoted, the relative content and composition of saturated fatty acid, monounsaturated fatty acid and polyunsaturated fatty acid in microalgae cells are influenced, the content of fatty acid related to biodiesel precursor synthesis is increased, and the yield and quality of biodiesel are improved. # imgabs0 #

Round microalgae reactor

Resumen de: CN222524495U

The utility model discloses a circular microalgae reactor, which belongs to the technical field of microalgae biology and comprises a transparent cylindrical reaction tank, a feed port and a discharge port are respectively arranged at the upper end and the lower end of the cylindrical reaction tank, a stirring mechanism is arranged in the cylindrical reaction tank, and an annular illumination mechanism is arranged on the cylindrical reaction tank. The annular illumination mechanism comprises an annular flexible light guide plate and an LED lamp arranged on the annular flexible light guide plate. Microalgae culture solution and microalgae are added into the cylindrical reaction tank through the feed port, the annular flexible light guide plate and the LED lamp which are arranged on the cylindrical reaction tank provide enough light sources for the circular microalgae reactor, and the flexible light guide plate has the advantages of high luminous efficiency and low power consumption under the condition of equal area luminance; the circular microalgae reactor provided by the utility model can fully utilize light, and the specific surface area of the circular microalgae reactor is higher than that of other microalgae reactors.

Columnar reactor system for microalgae culture

Resumen de: CN222524501U

The utility model relates to the technical field of microalgae culture, and discloses a columnar reactor system for microalgae culture, which comprises a columnar reactor body and a reflux pipeline, and one end of the reflux pipeline is connected to the bottom of the columnar reactor body. The other end of the backflow pipeline is communicated to a gas exchange space at the upper part of the columnar reactor body and is provided with a spray head, and a conveying pump is arranged on the backflow pipeline and is used for conveying the microalgae culture solution or the cleaning disinfectant in the columnar reactor body to the gas exchange space and spraying the microalgae culture solution or the cleaning disinfectant to the inner wall of the columnar reactor body through the spray head; according to the columnar reactor system provided by the utility model, the gas exchange space can be thoroughly cleaned and disinfected, and the problems that microalgae cells adhered to the side wall of the columnar reactor die due to the fact that the microalgae cells cannot be in contact with a microalgae culture solution for a long time and further pollute microalgae in the whole culture system are solved.

Microalgae culture method

Resumen de: CN119490944A

The invention relates to a microalgae culture method which comprises the following steps: culturing microalgae species in the presence of a fat-soluble additive to obtain a culture solution containing floating layer microalgae; and harvesting the microalgae on the floating layer. The fat-soluble additive is introduced in the microalgae culture process, the concentration of a microalgae floating layer can be effectively improved, the viscosity of the microalgae is improved, and therefore the culture efficiency and the harvesting efficiency of the microalgae are remarkably improved.

BIOACTIVE COMPOUNDS WITH PESTICIDE ACTIVITIES DERIVED FROM AGED CULTURES OF GREEN MICROALGAE

Resumen de: WO2025038756A1

Embodiments of the present disclosure pertain to a composition suitable for use in treating an agricultural material. In some embodiments, the composition includes a microalgae culture, an extract of the microalgae culture, compounds from the microalgae culture, or combinations thereof. Additional embodiments of the present disclosure pertain to methods of treating an agricultural material by applying a composition of the present disclosure to the agricultural material.

USE OF CYANOBACTERIAL BIOREACTOR FOR CARBON SEQUESTRATION

Resumen de: WO2023201190A1

The subject invention provides compositions and methods for reducing deleterious atmospheric gases using microorganisms. In preferred embodiments, a composition comprising one or more beneficial microorganisms convert carbon dioxide to calcium carbonate, magnesium carbonate, a bicarbonate, or a combination thereof. The source of the carbon dioxide can be industrial emissions. In some embodiments, the composition sequesters carbon with the use of a trough growth system and the culture and/or growth by-product can be sequestered in underground geological formations.

FERMENTED TEXTURED MICROALGAE

Resumen de: WO2023198694A1

The present invention relates to a method for producing fermented textured microalgae, comprising steps of mixing and incubating the microalgae with lactic ferments, and also the composition obtained using the method, and the use of the composition for food.

PROCESS FOR OBTAINING A TEXTURISING PROTEIN EXTRACT FROM MICROALGAE

Resumen de: WO2023198689A1

The present invention relates to a process for obtaining a protein extract from microalgae. The protein extract obtained has a texturising ability to form a protein network, pure or in a mixture with another protein source, allowing the formation of food gels, extruded protein material or cooked cereal products. The protein extract obtained also has properties of coagulation, pure or in a mixture with another protein source, allowing the formation of food products that require protein coagulation without the formation of a protein network, such as hot emulsions or desserts ("custards"). The invention also relates to the use of the protein extract for replacing the texturising functionalities provided by animal proteins (egg proteins, dairy proteins, red or white meat proteins) within these products, and therefore for replacing sources of animal protein within these products.

MODIFIED MICROALGAE FOR ENHANCED PHOSPHATE UPTADE INVOLVING OVEREXPRESSION OF PSR1 AND OPTIONALLY UNDEREXPRESSION OF PTC1

Resumen de: WO2023198774A1

The invention provides a recombinant microalgal strain comprising in its genome a first modification which causes overexpression of a PSR1 gene, and optionally a further modification which reduces or eliminates expression from an endogenous PTC1 gene. The strains of the invention have utility in promoting phosphate uptake, for example from wastewater, with the microalgae then being useful as fertilisers.

Device and method for evaluating developmental toxicity of high-concentration cyanobacteria toxin based on fish embryos

Resumen de: CN119464003A

The invention relates to a fish embryo-based high-concentration cyanobacteria toxin development toxicity evaluation device and method, and relates to the technical field of pollutant toxicity analysis, the device structure comprises a base and an electric guide rail mechanism 1; the carrier is arranged on the first electric guide rail mechanism in a sliding mode, a movable oscillation base is arranged on the carrier, a plurality of perforated plates used for placing fish embryos are arranged on the movable oscillation base, and a lighting structure is arranged at the position, located below the movable oscillation base, of the carrier; the liquid injection unit is used for injecting cyanobacteria toxin working solutions with different high concentrations into the porous plates, and an observation unit is arranged at the top of the incubation chamber; and the adjusting shading unit is arranged between the lighting structure and the perforated plate. The evaluation device provided by the invention is convenient to use, reduces the labor intensity of workers, improves the working efficiency, and facilitates large-scale and high-efficiency evaluation and analysis of the fish embryonic development toxicity of the high-concentration cyanobacteria toxin.

Pipeline type photobioreactor for microalgae culture

Resumen de: CN222499138U

The pipeline type photobioreactor comprises a bottom plate and a top plate, a plurality of cleaning assemblies are arranged between the bottom plate and the top plate, a plurality of reaction straight pipes I and reaction straight pipes II are arranged on the front side and the rear side of each cleaning assembly respectively, the reaction straight pipes II are located on the rear sides of the reaction straight pipes I, and the reaction straight pipes II are located on the rear sides of the reaction straight pipes II. According to the pipeline type photobioreactor, the inner side of the spiral main body of the pipeline type photobioreactor can be fully cleaned by utilizing the cleaning assembly, and a cleaning worker does not need to extend a flushing pipe into a gap of a spiral pipeline when cleaning the inner side of the spiral reactor main body; and a user does not need to worry that the flushing pipe collides with the reaction straight pipe I, the reaction straight pipe II and the reaction curved pipe during cleaning, so that the pipeline type photobioreactor is more convenient and simpler to clean.

Slow-flow thin-layer photobioreactor

Resumen de: CN222499090U

The utility model relates to the technical field of microalgae photobioreactors, and discloses a slow flow thin layer type photobioreactor which comprises a supporting frame and a water tank container installed on the supporting frame, the water tank container is arranged in an inclined mode, and a plurality of baffles which are arranged in a staggered mode are arranged in the water tank container in an array mode in the extending direction. Through cooperation of the baffles which are arranged in the water tank container and are arranged in a staggered mode, the flowing track of algae liquid is in an S shape, the flowing path of the algae liquid is greatly increased, and the retention time of the algae liquid in the water tank container is prolonged; the flow velocity required for maintaining the algae liquid with the same thickness is obviously smaller than that required when the baffle plates are not arranged, so that the energy consumption caused by overhigh flow velocity can be reduced, and the energy consumption can be greatly reduced by adjusting the distance between the two adjacent baffle plates and the width of the water tank reactor.

Bio-oxygen therapy and anti-oxidation dual-strategy soluble microneedle as well as preparation method and application thereof

Resumen de: CN119454566A

The invention relates to a biological oxygen therapy and antioxidation dual-strategy soluble microneedle as well as a preparation method and application thereof, and belongs to the technical field of medicines. The microneedle is an integrated soluble microneedle and comprises a matrix formed by a water-soluble polymer and a compound which is uniformly dispersed in the matrix and formed by microalgae and metal organic framework nano-enzyme, the compound formed by the microalgae and the metal organic framework nano-enzyme is a compound of a'core-shell 'structure, the metal organic framework nano-enzyme serving as the shell is wrapped on the surface of the microalgae serving as the core. The microneedle disclosed by the invention has the capability of rapidly resisting oxidation in situ and continuously and deeply conveying oxygen, is widely applied to preparation of medicine design or preparations for treating tumors, promoting wound healing, regulating an inflammation microenvironment, treating skin burns and scalds and removing scars, and is good in patient applicability; and the preparation process is green, environment-friendly, simple, rapid, mild in condition and suitable for large-scale production.

Ecological fertilization planting method and system for increasing selenium content in rice

Resumen de: CN119452855A

The invention discloses an ecological fertilization planting method and system for increasing the selenium content in rice, and relates to the field of ecological fertilization planting, and the ecological fertilization planting method comprises the following steps: establishing a microalgae culture pond, and culturing a specific microalgae variety capable of enriching selenium by using a selenium-rich water supply system; analyzing plant electric signal characteristics of rice corresponding to different selenium contents in each growth stage, and establishing a plant selenium absorption electric signal reaction mode library; optimizing and adjusting the application amount of microalgae liquid supplied to the paddy field by utilizing an intelligent irrigation system based on a matching result of a reaction mode library of a rice plant electric signal and a plant selenium absorption electric signal detected in real time; the residual selenium-rich microalgae liquid flows back to the culture pond to be recycled, and the selenium supplementing amount of the microalgae culture pond is dynamically regulated and controlled.

Preparation method of microalgae nano-selenium and application of biotransformed nano-selenium in prevention and treatment of plant late blight

Resumen de: CN119464400A

The invention discloses a preparation method of microalgae nano-selenium and application of biotransformed nano-selenium in prevention and treatment of plant late blight. The novel preparation method of the microalgae nano-selenium comprises the following steps: firstly, extracting an intracellular extract of chlorella pyrenoidosa, and then adding sodium selenite into the intracellular extract to carry out nano-selenium conversion; compared with an existing reported method that after sodium selenite is added into a microalgae living body culture solution to be converted into nano-selenium, algae is taken to break cells, and the nano-selenium is collected, the method has the advantages that the microalgae living body does not need to be used when the nano-selenium is biologically converted, and the subsequent complicated nano-selenium separation and purification steps can be avoided; the nano-selenium obtained by converting the intracellular extract can be directly applied. Experiments prove that the effect of the nano-selenium obtained through biotransformation on inhibiting phytophthora infestans of potato late blight pathogenic bacteria is obviously better than that of chemically synthesized nano-selenium, and the nano-selenium obtained through biotransformation has an obvious effect on preventing and treating potato late blight and has an obvious effect on promoting plant growth.

Method for relieving microalgae high-temperature stress and improving sewage treatment performance by utilizing ferroptosis inhibitor

Resumen de: CN119461667A

The invention discloses a method for relieving microalgae high-temperature stress and improving sewage treatment performance by utilizing a ferroptosis inhibitor. According to the method, a ferroptosis inhibitor Fer-1 is added into a microalgae growth environment, so that Fer-1 fully enters microalgae cells, and then the ferptosis inhibitor Fer-1 is applied to sewage treatment. According to the method, the ferroptosis inhibitor Fer-1 is added to regulate and control the way of programmed cell death of the microalgae, so that the inhibition effect of high temperature on the growth of the microalgae is remarkably relieved, the balance of an intracellular oxidation-anti-oxidation system is effectively maintained, the influence of a lipid metabolism way of the chlorella is relieved, high-temperature stress resistance is realized, and the yield of the chlorella is improved. Meanwhile, the nitrogen and phosphorus removal performance of the sewage is improved, the removal rates of ammonia nitrogen and phosphorus are improved by 44.50% and 30.72% respectively, and the method has important application value for effectively protecting microalgae cells under the extreme temperature condition and promoting low-carbon resourceful treatment of the microalgae in the sewage.

Extraction method of microalgae

Resumen de: CN119462252A

The invention discloses an extraction method of microalgae, and belongs to the technical field of microorganisms, and the extraction method comprises the three steps of microalgae culture, enzymolysis reaction and compounding aftertreatment. When a microalgae extract is applied to a microalgae fertilizer, the yield and quality of crops can be effectively improved; and the schizochytrium limacinum culture medium is treated by using p-hydroxybenzoic acid and diammonium phosphate, so that the cell membrane permeability of the schizochytrium limacinum is changed, other nutrient substances can enter the schizochytrium limacinum conveniently, and meanwhile, cell wall breaking of the schizochytrium limacinum is facilitated. Under a proper ratio of an enzymolysis mixture, pyrolytic biochar, bentonite and biomass tar, the prepared microalgae-biochar simultaneously has abundant pore structures, a large amount of microalgae loads and strong combination structural performance, the activity performance of the microalgae-biochar can be effectively maintained, and the application range of the microalgae-biochar is widened. The method has a wide market prospect when being used for preparing a microalgae fertilizer.

3D Bioink for 3D printing for microalgae water treatment carrier manufacturing

Resumen de: KR20250022553A

본 발명은 수처리 담체를 3D 프린팅하기 위한 3D 프린팅용 바이오잉크에 관한 것으로, 3D 프린터의 니들에서 출력되어 수처리 담체를 이루는 알지네이트 하이드로겔; 및 상기 알지네이트 하이드로겔에 혼합되어, 수처리 과정에서 폐수에 포함된 질소(N)와 인(P)을 제거하는 미세조류가 포함되어 이루어져, 미생물 고정화 기술에 3D 바이오 프린팅 기술을 적용하여 기존의 미생물 고정화 기술의 문제점을 극복할 수 있는 기능적이고 구조 안정적인 미세조류 고정화 담체를 제조할 수 있는 미세조류 수처리 담체 제조를 위한 3D 프린팅용 바이오잉크를 제공한다.

Preparation method of algal-bacterial symbiotic filler and filler composite structure based on algal-bacterial symbiotic filler

Resumen de: CN119430494A

The invention discloses a preparation method of a bacteria-algae symbiotic filler, which specifically comprises the following steps: adding an activated sludge dispersion liquid into a reactor filled with a filler, operating for 7-10 days under an aeration condition, and introducing simulated tail water in the operation process; then chlorella is inoculated according to the volume ratio of the activated sludge dispersion liquid to the chlorella dispersion liquid being 1: (5-50), operation is conducted for 14-20 days at the temperature of 22-30 DEG C under illumination, and the light-dark ratio is that illumination is conducted for 6-12 h, and darkness is conducted for 12-18 h; tail water of the simulated sewage plant is introduced in the operation process; the filler hung with the algal-bacterial symbiotic biological membrane is obtained. In the formed algal-bacterial symbiotic membrane, the microalgae can promote enrichment of nitrogen and phosphorus removal flora and organic matter metabolism functional flora, and bacteria can improve the photosynthesis performance and carbon sequestration performance of the microalgae through material exchange, information transfer and other ways, so that the algal-bacterial symbiotic system can efficiently purify N/P/organic matter in a water body; meanwhile, the emission of greenhouse gas is reduced. The invention also discloses a filler composite structure based on the algal-bacterial symbiotic filler.

Pseudomonas with oscillatoria dissolving characteristic and application of pseudomonas in algal bloom treatment

Resumen de: CN119432664A

The pseudomonas with the oscillatoria dissolving characteristic is characterized in that the pseudomonas is named as Pseudomonas sp GangLiHuanBao-Z1, the preservation unit is China General Microbiological Culture Collection Center (CGMCC), the address is Beijing, China, the preservation number is CGMCC No.32315, and the preservation date is October 23, 2024. The invention further discloses a preparation method of the pseudomonas with the oscillatoria dissolving characteristic, and the pseudomonas with the oscillatoria dissolving characteristic is characterized in that the pseudomonas is named as Pseudomonas sp GangLiHuanBao-Z1. Further assistance can be provided for effective control of cyanobacterial bloom, and meanwhile, the bacterial strain disclosed by the invention is a safe, environment-friendly and harmless bacterial strain and has a relatively good application prospect in the field of ecological restoration.

Ladder type microalgae bio-membrane reactor

Resumen de: CN119432568A

The invention discloses a ladder type microalgae bio-membrane reactor, which belongs to the technical field of microalgae carbon sequestration and emission reduction, and comprises a box body unit, the microalgae growth unit is arranged in the box body unit, the cross section of the microalgae growth unit is of a stepped structure, the microalgae growth unit comprises a biological membrane substrate, and a microalgae biological membrane is arranged on the surface of the biological membrane substrate; the bearing unit is used for supporting the microalgae growth unit; the conveying unit is used for conveying sewage and air; and the auxiliary growth unit is arranged below the microalgae growth unit and is used for accelerating the growth of the microalgae. By adopting the biological membrane substrate with the step-shaped structure, the occupied area of microalgae emission reduction can be reduced, the space utilization rate is increased, the biomass yield of the microalgae biological membrane in unit occupied area is finally increased, and meanwhile, carbon dioxide is fixed to the maximum extent and nitrogen and phosphorus pollutants in water are purified to the maximum extent.

System and method for improving oil yield and cadmium removal rate of microalgae under cadmium stress

Resumen de: CN119432611A

The invention discloses a system and a method for improving oil yield and cadmium removal rate of microalgae under cadmium stress, and belongs to the technical field of biological engineering. According to the method, a mixotrophic culture mode is adopted, and algae species mixotrophic culture is carried out, so that algae cells rapidly grow in a short time and are cultured to a logarithmic growth expectation for later use; and applying cadmium stress by using the same mixotrophic mode, and simultaneously adding exogenous fulvic acid to induce microalgae to grow and accumulate grease. According to the method, a mixotrophic culture mode is adopted, under the stress of 0.2 mu M Cd, when the concentration of fulvic acid is 40mg/L, the biomass, biomass yield and grease yield of the microalgae are respectively improved by 20.22%, 20.32% and 26.55% compared with those of single cadmium treatment, and the cadmium removal rate is 100% and is improved by 16.6% compared with that of single separation treatment. According to the method, the biomass and grease yield of the microalgae can be improved, meanwhile, removal of cadmium is increased, and a new theoretical basis is provided for co-production of grease by treating cadmium-containing wastewater through the microalgae.

Supercritical water treatment device with microalgae carbon sequestration function and use method thereof

Resumen de: CN119425368A

The invention discloses a supercritical water treatment device with a microalgae carbon sequestration function and a use method of the supercritical water treatment device, and relates to the technical field of pollution treatment. Waste gas output by the supercritical water treatment system is introduced into the microalgae culture system for carbon sequestration, the pipeline type microalgae culture system is used for culturing microalgae, and magnetic force is used for controlling a cylindrical block to move in a pipeline so as to timely and effectively clean algae cells adhering to the wall; the supercritical water treatment device has the technical effects that the supercritical water treatment device can treat pollutants, can also perform carbon sequestration treatment on waste gas obtained through treatment, can automatically clean algae cells attached to the wall, and is simple to maintain and high in treatment efficiency.

Application of microalgae in removal of selenium in water body

Resumen de: CN119430497A

The invention discloses application of microalgae in removal of selenium in a water body. The invention relates to a result obtained based on the fact that the inventor finds that Coelavastrum sp.GX03 has the effect of removing selenium. The strain can grow in the selenium-polluted water body and can efficiently remove selenium, so that the strain has the application potential of removing selenium in the water body.

Microalgae cell multistage sorting device based on dielectrophoresis controllable sheath flow

Resumen de: CN119432556A

The invention provides a microalgae cell multistage sorting device based on dielectrophoresis controllable sheath flow. The microalgae cell multistage sorting device comprises a flow channel structure and an electrode substrate which are packaged in a bonding mode. The flow channel structure comprises a liquid inlet, a spiral flow channel, a sudden expansion structure, a first branch flow channel, a second branch flow channel, a deterministic lateral displacement flow channel, a first liquid outlet, a second liquid outlet and a third liquid outlet; the liquid inlet is communicated with the spiral runner; the first branch flow channel and the second branch flow channel are connected to the two ends of the split sudden expansion structure in series. The deterministic lateral displacement runner is connected to the tail end of the second branch runner in series; a second liquid outlet and a third liquid outlet are formed in the tail end of the deterministic lateral displacement runner; the electrode substrate comprises a substrate body and an electrode group; and the electrode group is arranged at the front end of the deterministic lateral displacement runner. According to the invention, sheath flow is accurately controlled through an electrode structure, and high-flux and high-purity separation of single microalgae cells from a mixed solution of three microalgae with different sizes is realized by combining high flux of inertial spirals and high precision of deterministic later

Combined treatment method for algae

Resumen de: CN119432612A

The invention provides an algae combined treatment method, which relates to the technical field of bioengineering, and comprises the following steps: selecting microalgae seeds; inoculating the microalgae seeds into a conical flask of a Basal culture medium; culturing under a dark condition; and after the microalgae seeds are cultured to a plateau stage, supplementing plant hormones and a nitrogen source, and culturing to obtain the microalgae. The algae combined treatment method provided by the invention can effectively stimulate microalgae in a plateau phase, so that the total carotenoid content and the xanthophyll content can be effectively increased.

Method for purifying tetracycline and efficiently producing oil by using microalgae across temperature zones

Resumen de: CN119432936A

The invention discloses a method for purifying tetracycline and efficiently producing oil by using microalgae in a cross-temperature zone, and belongs to the field of microalgae bioengineering. The invention aims to solve the technical problem of tetracycline pollution in the current cold region water environment. The method comprises the following steps: preparing a seed solution for microalgae culture, inoculating the seed solution into a BG-11 culture medium containing tetracycline, culturing until the logarithmic growth later stage of microalgae, centrifugally collecting algae cells, freeze-drying and weighing, and extracting grease in dry algae powder by utilizing an ultrasonication combined organic solvent method. The method disclosed by the invention is simple to operate, can be used for producing biological energy and adsorbing and degrading tetracycline under the low-temperature treatment condition by utilizing the microalgae, meanwhile, the stress resistance of the microalgae under the low-temperature condition is improved, the permeability of algae cells is regulated and controlled, and the production of the microalgae biological energy is promoted. The method disclosed by the invention is used for purifying tetracycline in cross-temperature zones and efficiently producing oil.

A MICROALGAE CULTIVATION METHOD

Resumen de: WO2025034170A1

There is provided a method of cultivating microalgae, the method comprising: inoculating a culture of microalgae into an inoculum in a bioreactor; and growing the culture of microalgae, the growing comprising feeding a feed medium to the inoculum, wherein the feed medium comprises carbonate solution as a carbon source, and wherein the growing comprises growing the cultivated microalgae in the presence of a quantum dot- comprising light conversion film. There is also provided an apparatus for cultivating microalgae.

PROPYLENE PRODUCTION IN CYANOBACTERIA

Resumen de: WO2025032068A1

The present invention relates to a process for producing propylene and to a cyanobacterial cell for the production of propylene.

Chlorella mutant strain and application thereof in production of EPA and DHA

Resumen de: CN119410486A

The invention provides a chlorella mutant strain and application thereof in production of EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), and belongs to the technical field of microalgae biology. The Chlorella sp. Mutant strain M41 provided by the invention is preserved in the China General Microbiological Culture Collection Center on October 18, 2024, the preservation date is October 18, 2024, and the preservation number is CGMCC No. 46154. The Chlorella sp. Mutant strain M41 provided by the invention has the advantages that the preservation number is CGMCC No. 46154; the invention further provides a culture medium and a production method suitable for the chlorella mutant strain M41, and high yield of EPA and DHA is achieved.

Microalgae culture shelf

Resumen de: CN222454978U

A microalgae culture shelf comprises a support, a plurality of storage box bodies are installed on the support, and a first shading plate is connected to the middle of the bottom of the inner side of each storage box body. The stepping motor can drive the electric push rod to reach the target culture compartment, then the electric push rod can push the culture box into the storage area from the culture compartment, illumination of the algae in the culture box is finished, and therefore experimenters can conveniently control the illumination time of the algae in the culture box.

Microalgae culture and collection device

Resumen de: CN222455038U

The utility model relates to the technical field of microalgae culture, in particular to a microalgae culture and collection device which comprises a culture box, a PLC (programmable logic controller) fixedly connected to the right side of the culture box, a box cover arranged at the top of the culture box, a handle fixedly connected to the center of the top of the box cover, a plant illumination lamp fixedly connected to the bottom of the box cover, and connecting blocks fixedly connected to the front side and the rear side of the box cover. The top of the front end of the incubator is fixedly connected with a water inlet pipe, the outer side of the water inlet pipe is fixedly sleeved with a first electric control valve, the bottom of the front end of the incubator is fixedly connected with a drainage pipe, the outer side of the drainage pipe is fixedly sleeved with a second electric control valve, a microalgae culture and collection mechanism is arranged in the incubator, and an aeration mechanism is arranged at the bottom end in the incubator. The water temperature is automatically adjusted, the growth speed of the microalgae is further increased, carbon dioxide can be provided for better photosynthesis of the microalgae, and culture of the microalgae is facilitated.

Immobilized algal-bacterial symbiotic system and application of immobilized algal-bacterial symbiotic system in harmless treatment of spiramycin production wastewater

Resumen de: CN119410530A

The invention provides an immobilized algal-bacterial symbiotic system and application thereof in harmless treatment of spiramycin production wastewater, and belongs to the technical field of environmental microorganisms. The algal-bacterial symbiotic system comprises bacillus subtilis with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No. 15560 and microcystis aeruginosa FACHB-315. The immobilized microorganism product prepared from the algal-bacterial symbiotic system and the biological adsorption carrier ball has the following advantages: (1) the floatability of microalgae cells and the negative effects caused by discharge of free cells into natural water can be overcome; (2) the SPI removal rate can reach 98.49%, and the SPI removal capacity is high. Therefore, the method can effectively reduce ecological hazards and the like caused by the SPI entering the environment.

A method for enhancing antibacterial activity of microalgal extract using ionizing radiation

Resumen de: KR20250019955A

본 발명은 미세조류 추출물의 방사선 조사물을 유효성분으로 포함하는 세균성점무늬병 또는 벼알세균마름병 방제용 조성물; 항균용 조성물; 상기 방제용 조성물을 식물에 적용하는 단계를 포함하는 세균성점무늬병 또는 벼알세균마름병 방제 방법; 및 미세조류 추출물에 방사선을 조사하는 단계를 포함하는 세균성점무늬병 또는 벼알세균마름병 방제용 조성물의 제조 방법에 관한 것으로서, 본 발명의 조성물 또는 방법을 통해 세균성점무늬병 또는 벼알세균마름병의 방제에 유용하게 사용될 수 있어, 미세조류 추출물을 이용한 항균 제품 개발 및 산업적으로 활용이 가능한 다양한 산업분야에서 유용하게 사용될 수 있다.

Preparation method of microalgae-SiO2 bio-based nanofluid dust suppressant

Resumen de: CN119410342A

The invention provides a preparation method of a microalgae-SiO2 bio-based nanofluid dust suppressant, which comprises the following steps: (1) microalgae culture: using a BG-11 culture medium, sterilizing, cooling, inoculating microalgae, carrying out 7-day light/dark cycle culture, and finally filtering and collecting microalgae cells; (2) active component extraction: cleaning microalgae cells, and performing centrifugation, filtration and rotary evaporation treatment through ultrasonic disruption, enzymolysis and a microwave-assisted chloroform-methanol mixed extraction method to obtain microalgae active components; (3) synthesis of SiO2 nanoparticles: mixing the SiO2 precursor with deionized water, adjusting the pH value and diluting, adding microalgae active components, oscillating at a constant temperature, centrifugally separating and purifying the SiO2 nanoparticles; and (4) preparation of the nanofluid dust suppressant: mixing the SiO2 nanoparticles, the microalgae active component and the dispersing agent in water in proportion to prepare the microalgae-SiO2 bio-based nanofluid dust suppressant. The invention is expected to solve the limitation of the traditional dust suppressant, and provides a novel, efficient and environment-friendly dust suppressant preparation method.

Condensate water heat energy recovery device based on biotechnology

Resumen de: CN119410461A

The invention relates to the technical field of heat energy recovery, in particular to a condensed water heat energy recovery device based on biotechnology, which comprises a microalgae biological reaction tank for providing growth space for microalgae, the microalgae biological reaction tank is provided with microalgae and a nutrient solution, and the top of the microalgae biological reaction tank is fixedly provided with a top cover; the heat exchange assembly is arranged in the microalgae biological reaction tank and is used for uniformly exchanging heat; and the heat exchange assembly comprises a driving shaft which is rotationally connected in the top cover through a bearing. The middle part of the heat exchange pipe is flat, so that the circulation speed of condensed water can be delayed, the heat exchange time of the condensed water is prolonged, the heat exchange efficiency is improved, and meanwhile, when the heat exchange pipe rotates in the microalgae biological reaction tank, heat can be uniformly distributed in the microalgae biological reaction tank, and the heat exchange efficiency is improved. And meanwhile, the brush on the inner wall of the cleaning rubber sleeve moves up and down to clean dirt generated by microalgae growth on the surface of the heat exchange tube, so that the heat exchange efficiency of the heat exchange tube is effectively improved.

Multi-stage constructed wetland-ecological pond system for synchronously and intensively removing nitrogen and phosphorus

Resumen de: CN119409335A

The invention relates to the technical field of sewage treatment, in particular to a multi-stage constructed wetland-ecological pond system for synchronously and intensively removing nitrogen and phosphorus. A first-stage constructed wetland, a second-stage ecological pond and a third-stage constructed wetland which are sequentially connected in a falling manner are arranged in the system, and the first-stage constructed wetland and the third-stage constructed wetland are both horizontal subsurface flow type constructed wetlands; wetland plants are planted in the first-stage constructed wetland and the third-stage constructed wetland; ecological pond plants are planted in the second-stage ecological pond through floating rafts, non-woven fabric is arranged below the floating rafts, and microalgae are enriched on the non-woven fabric; according to the invention, an alternating anaerobic/anoxic-aerobic-anaerobic/anoxic environment formed by each stage of system is utilized to enhance the removal of oxidation-state and reduction-state nitrogen and the absorption and removal of phosphorus, the removal rate of ammonia nitrogen can reach 98%, the removal rate of nitrate nitrogen can reach 98.8%, the removal rate of total nitrogen can reach 98.07%, the removal rate of COD (Chemical Oxygen Demand) can reach 85.02%, and the removal rate of total phosphorus can reach 78%; wide application prospects are realized.

Mine microalgae carbon sequestration emission reduction and resource recycling system

Resumen de: CN119410457A

The invention discloses a mine microalgae carbon sequestration emission reduction and resource recycling system. The system comprises eight modules including a microalgae culture and closed pipeline photobioreactor microalgae culture module, a CO2 capturing and conveying module and a microalgae after-harvesting and processing module. The prepared culture medium and CO2 captured by an air return way are injected into a closed pipeline photobioreactor through a conveying pipeline, and the closed pipeline photobioreactor is provided with various sensors. Monitoring data are uploaded to the intelligent data analysis and optimization module for analysis and processing, and solution filling and environment parameters are intelligently adjusted through the intelligent monitoring and automatic control module; and collecting combustible gas generated by anaerobic fermentation of the microalgae, processing the primarily screened microalgae, and filtering the mine wastewater. According to the method, efficient culture of mine microalgae, efficient emission reduction and resource utilization of CO2 in a mine return airway and cyclic utilization of wastewater can be achieved, the green and low-carbon sustainable development concept is met, and a new solution is provided for the technical field of mine carbon dioxide emission reduction.

FLOATING PHOTOBIOREACTOR FOR MICROALGAE CULTURE AND BOAT MOORING (Machine-translation by Google Translate, not legally binding)

Resumen de: ES1312856U

Floating photobioreactor for microalgae cultivation and boat mooring, characterized in that the floating photobioreactor (1) has a rigid body in the form of an asymmetric oblate spheroidal buoy composed of a transparent UV-resistant upper dome (2) made of a thermoplastic polymer and a culture tank (3) whose geometry is a slightly conical inverted dome made of a food-grade thermoplastic polymer, both joined by bolts (5) on a perimeter rim (4) of which both elements have; at least and located in the transparent upper dome two hydrophobic gas exchangers with a semipermeable membrane (6), the computer powered by a photovoltaic module (7), the artificial light system (8), the vertical agitator system (9) with blades and two arched windshield wipers (10) attached to the agitator acting against the inside of the transparent dome and rotating together; two inlet connections (12-13) for adding nutrients, water, flocculant or sensors as well as means for draining the culture with at least one outlet connection (11) above the waterline, and a tubular drainage system (14) connected to the base of the culture tank, on the outer face of which is the mooring system (15) formed by at least one eyelet attached to the culture tank. (Machine-translation by Google Translate, not legally binding)

Anaerobic ammonium oxidation bacteria, short-cut nitrifying bacteria and microalgae coupling system and domestication method thereof

Resumen de: CN119391620A

The invention relates to the technical field of sewage treatment. The invention discloses an anaerobic ammonium oxidation bacteria, short-cut nitrifying bacteria and microalgae coupling system and a domestication method thereof, which are characterized in that three autotrophic microorganisms with different oxygen requirements are sequentially domesticated by a biological filler according to a sequence of an inner layer, a middle layer and an outer layer to form dissolved oxygen gradient region change. Wherein the microalgae form an oxygen production area in the outer photosynthesis, and the dissolved oxygen concentration in the area is the highest. Short-cut nitrifying bacteria domesticated on the middle-layer biological filler consume oxygen, and the concentration of dissolved oxygen is lower than that of dissolved oxygen in the outer-layer biological filler area. The dissolved oxygen in the inner-layer biological filler area can reach the lowest level, so that the anaerobic ammonium oxidation bacteria can survive suitably, and the stable denitrification of anaerobic ammonium oxidation is ensured. Therefore, the biological membrane obtained by the domestication method provided by the invention is more stable, the mass transfer of the dissolved oxygen is more uniform than that of the traditional mechanical point source aeration, and the influence of the dissolved oxygen on the interior is smaller, so that the treatment effect is more stable. The anaerobic ammonium oxidation

Microalgae culture device coupled with air purification and fertilizer preparation and use method of microalgae culture device

Resumen de: CN119391502A

The invention relates to a microalgae culture device coupling air purification and fertilizer preparation and a using method thereof.The microalgae culture device comprises a cylinder cover, a cylinder body and a base, the interior of the cylinder body is divided into at least two culture cavities in the circumferential direction, a lamp cavity for containing an auxiliary lamp is formed in the middle of the cylinder body, and a liquid outlet hole with a liquid discharging valve is formed in the bottom of each culture cavity; a sealed cover plate and a fixing ring are arranged at the top of the cylinder body, the fixing ring is in threaded fixation with the top of the cylinder body and clamps the cover plate, exhaust holes and air inlet pipes which are communicated with the culture cavities are integrally arranged on the plate surface of the cover plate, an air pump connected with the air inlet pipes is fixedly arranged in the cylinder cover, and air outlet holes communicated with the exhaust holes are formed in the cylinder cover; and the bottom of the cylinder body is spliced and matched with the base. During use, microalgae liquid is put into the culture cavity of the cylinder body, the whole body is placed at an illumination position or an auxiliary lamp is turned on, and meanwhile, an air pump is turned on, so that microalgae culture and air purification can be realized, and the use is relatively convenient; after being cultured, the microalgae are discharged to the base

Three-dimensional ecological fishpond culture system

Resumen de: CN119385101A

The invention discloses a three-dimensional ecological fishpond culture system in the field of aquaculture. The three-dimensional ecological fishpond culture system comprises the following steps: 1, wastewater collection and pretreatment; 2, sterilizing and preparing a culture medium; 3, live bait is cultured in the runway type culture tank; 4, a water circulation system and continuous filtration; and 5, artificial wetland treatment and pasture planting. According to the breeding system, wastewater generated after breeding is treated, the water quality is improved, sterilization treatment is conducted, appropriate nutritional ingredients are added, and then the wastewater is discharged into the breeding tank containing microalgae and zooplankton to provide needed nutritional ingredients for the microalgae and the zooplankton, so that the microalgae and the zooplankton are massively bred in the water body, bait is brought to fishes in the constructed wetland, and the quality of the fishes in the constructed wetland is improved. The mode that bait is input depending on the outside in traditional cultivation is changed, self-sufficiency of green bait is achieved, and dynamic balance and efficient cyclic utilization of water are achieved.

Low-energy-consumption microalgae cell separating and harvesting device and method based on plant fibers

Resumen de: CN119391518A

The invention discloses a low-energy-consumption microalgae cell separating and harvesting device and method based on plant fibers, and particularly relates to the field of microalgae cell concentration and separation. Comprising a separation box, the separation box communicates with a liquid inlet pipe and an air inlet pipe, the liquid inlet pipe is provided with a first valve, the air inlet pipe is connected with an inflation pump, the separation box communicates with a liquid discharging pipe, the liquid discharging pipe is provided with a second valve, the two sides of the separation box communicate with feeding channels, and the space between the two feeding channels is filled with a plant fiber filtering layer. A fixed plate and a movable plate are arranged in the separation box, a first water passing hole is formed in the fixed plate, a driving assembly used for driving the movable plate to slide in the separation box is arranged on the movable plate, and a second water passing hole is formed in the movable plate. By the adoption of the technical scheme, the problem that an existing device cannot achieve efficient collection and separation of a large number of algae cells in an artificial culture scene or an algae bloom scene of unicellular algae is solved, and resource utilization of natural plant fiber materials and efficient harvesting of the algae cells are achieved.

Method for improving algae metabolism and lutein synthesis

Resumen de: CN119391543A

The invention provides a method for improving algae metabolism and lutein synthesis, and relates to the technical field of bioengineering, and the method comprises the following steps: selecting microalgae seeds; inoculating the microalgae seeds into a conical flask of a Basal culture medium; culturing the conical flask under a low-light condition for a predicted number of days; repeating the low-light culture process to obtain a seed solution; and inoculating the obtained seed solution into a conical flask of a Basal culture medium, and continuously culturing to obtain the microalgae. According to the method provided by the invention, growth and lutein accumulation in the process of heterotrophic culture or fed-batch heterotrophic fermentation culture and the like can be effectively promoted after the selected seeds are subjected to low-light pre-culture, so that algae metabolism is accelerated, and the yield of lutein is increased.

PHOTOSYNTHETIC MICROALGAE AND USE THEREOF FOR HYDROGEN PRODUCTION

Resumen de: US2025043234A1

The present invention is in the field of molecular hydrogen (H2) bio-production, particularly, the present invention provides genetically modified photosynthetic microalgae producing hydrogen in complete growth medium under ambient, continuous growth conditions at cost-effective amounts and to a process for hydrogen production using genetically modified photosynthetic microalga.

METHOD FOR TREATING CONTAMINATED WATER

Resumen de: WO2025028350A1

Provided is a useful method for treating waste water that contains a heavy metal or an organic pigment as a contaminant, wherein waste water from a factory or the like is continuously and gradually supplied, via an introduction path (21), to a treatment tank (2) which has been charged with thermophilic cyanobacteria such as Thermosynechococcus elongatus, and carbon dioxide gas is ejected from a gas supply pipe (22). In a photosynthetic environment which is, for example, irradiated with solar light, the waste water from the introduction path (21) is treated by being stirred with the thermophilic cyanobacteria by the ejected carbon dioxide gas, the water level in the treatment tank (2) rises, and the waste water flows out to a precipitation tank (3) through a liquid feed pipe (31). In the waste water that has flowed out to the precipitation tank (3), thermophilic bacteria contained therein precipitates to a bottom part as sludge, and a supernatant liquid flows out through a waste water pipe (32) due to a rise in water level. When waste water containing a heavy metal is treated, a supernatant liquid from which the heavy metal has been separated flows out, and when waste water containing an organic pigment is treated, a supernatant liquid from which the pigment has been removed flows out.

INNER LIGHT FOR CULTURING MICROALGAE EQUIPPED WITH SCREW TYPE LIGHT TRANSFERRING PLATE AND CULTURING APPARATUS COMPRISING THE SAME

Resumen de: KR20250014353A

본 발명은 수조내부에 수직하게 설치되는 회전축; 및 상기 회전축 길이방향으로 일체가 되도록 연결된 스크류형 광전달부를 포함하는 미세조류 배양을 위한 내부광 및 이를 포함하는 미세조류 배양장치를 제공한다.

A method for enhancing microalgal growth activity using a medium irradiated with ionizing radiation

Resumen de: KR20250015498A

본 발명은 이온화 방사선을 조사한 배지 또는 과산화수소를 첨가한 배지를 이용한 미세 조류의 생육 증진 방법 또는 미세 조류의 대사산물 생산 증진 방법에 관한 것으로서, 구체적으로 미세 조류를 배양하기 위하여 방사선이 조사된 배지 또는 과산화수소를 첨가한 배지를 이용함으로써 미세 조류의 생육 또는 대사산물의 생산을 현저히 증진시키는 효과가 있어, 연속 배양이 가능한 미세조류와 같은 비고착성 광합성 생물의 배양 효율 및 생산성 증진 기술로 활용될 수 있는 이점이 있어 미세 조류를 활용한 다양한 산업분야에서 유용하게 사용될 수 있다.

INNER LIGHT FOR CULTURING MICROALGAE CULTURING APPARATUS COMPRISING CLEANSING BALL CAPABLE OF SWIMMING IN LIQUID MEDIUM

Resumen de: KR20250014354A

본 발명은 수조내 장착되는 내부광을 세척하기 위한 것으로, 배양액 내에서 유영가능한 밀도를 갖고, 표면에 세척돌기가 다수 형성된 세척볼을 포함하는 미세조류 배양장치를 제공한다.

FUNCTIONAL FOOD INGREDIENT BASED ON MICROALGAE CHLORELLA VULGARIS AND LACTIC ACID BACTERIA LACTOBACILLUS PLANTARUM, ITS PREPARATION AND USE

Resumen de: HRP20230792A1

Izum se odnosi na funkcionalni prehrambeni sastojak (FFI) koji je suhi ekstrakt osušene biomase simbiotske kulture mikroalge Chlorella (Chlorella vulgaris) i bakterije Lactobacillus plantarum, dobiven ekstrakcijom sa smjesom metanola i diklormetana = 25-75 : 75-25, V/V, a koji je karakteriziran DER faktorom (3-12 : 1, te visokom antioksidativnom aktivnošću u razini ne manjoj od 100 mg ekvivalenta askorbinske kiseline (AAE) po gramu predmetnog FFI prema standardnoj DPPH metodi. Navedeni FFI se u koncentraciji od 0,001-10% m/m koristi kao sastojak za pripravu funkcionalnih prehrambenih proizvoda (FF) s jednim ili više drugih prehrambenih sastojaka, te opcionalno vode, soli, začina i drugih funkcionalnih prehrambenih sastojaka, pri čemu se formira gotovi FF u različitim tekućim, polukrutim ili krutim oblicima poput napitka, deserta, energijske pločice, kruha, peciva i drugih pekarskih proizvoda ili namaza. FF prema izumu pokazuje niz korisnih učinaka na ljudsko zdravlje poput antioksidativnog, protuupalnog, antimikrobnog, antihiperglikemijskog, i antihipertenzivnog djelovanja. The invention relates to a functional food ingredient (FFI) which is a dry extract of the dried biomass of a symbiotic culture of the microalgae Chlorella (Chlorella vulgaris) and the bacterium Lactobacillus plantarum, obtained by extraction with a mixture of methanol and dichloromethane = 25-75 : 75-25 V/V and which is characterised by a DER factor (3-12 : 1) and high antioxidant activity at a l

FUNCTIONAL FOOD INGREDIENT BASED ON CYANOBACTERIA AND/OR MICROALGAE, ITS PREPARATION AND USE

Resumen de: HRP20230791A1

Izum se odnosi na funkcionalni prehrambeni sastojak (FFI) koji je suhi ekstrakt cijanobakterije Spirulina (Arthrospira platensis) i/ili mikroalge Chlorella (Chlorella vulgaris), dobiven ekstrakcijom sa smjesom metanola i diklormetana = 25-75 : 75-25, V/V, a koji je karakteriziran DER faktorom (3-12 : 1) te visokom antioksidativnom aktivnošću u razini ne manjoj od 200 mg ekvivalenta askorbinske kiseline (AAE) po gramu predmetnog FFI prema standardnoj DPPH metodi. Navedeni FFI se u koncentraciji od 0,001-10% m/m koristi kao sastojak za pripravu funkcionalnih prehrambenih proizvoda (FF) s jednim ili više prehrambenih sastojaka te opcionalno vode, soli, začina i drugih funkcionalnih prehrambenih sastojaka, pri čemu se formira gotovi FF u različitim tekućim, polukrutim ili krutim oblicima poput napitka, praška za instant pripravu napitka, voćnog deserta, energijske pločice, kruha, peciva i drugih pekarskih proizvoda ili namaza. FF prema izumu pokazuje niz korisnih učinaka na ljudsko zdravlje poput antioksidativnog, protuupalnog, antimikrobnog, antihiperglikemijskog, i antihipertenzivnog djelovanja.The invention relates to a functional food ingredient (FFI) which is a dry extract of the cyanobacterium Spirulina (Arthrospira platensis) and/or the microalgae Chlorella (Chlorella vulgaris), obtained by extraction with a mixture of methanol and dichloromethane = 25-75 : 75-25 V/V and which is characterised by a DER factor (3-12 : 1) and high antioxidant activity at a level o

MICROALGAE PRODUCTION SYSTEM ON AN INDUSTRIAL AND COMMERCIAL SCALE (Machine-translation by Google Translate, not legally binding)

Resumen de: ES2994818A1

The present invention relates to a system for producing microalgae on an industrial and commercial scale that includes a plurality of sealed production units containing the microalgae culture and nutrients, a pressurized air propellant element, a pneumatic circuit that introduces air to said units, and a hydraulic drive circuit and a hydraulic return circuit that allow circulation between the units with a central collector, such that the distribution of pipes that form said circuits enables a homogeneity of the content of the sealed production units to guarantee the production of microalgae on an industrial scale. (Machine-translation by Google Translate, not legally binding)

SYSTEM FOR PRODUCING MICROALGAE ON AN INDUSTRIAL AND COMMERCIAL SCALE

Resumen de: WO2025021864A2

The present invention relates to a system for producing microalgae on an industrial and commercial scale including a plurality of leak-tight productive units containing the microalgae culture and nutrients, a pressurized air driving element, a pneumatic circuit which introduces air in the mentioned units, and a hydraulic drive circuit and a hydraulic return circuit which allow circulation between the units with a central manifold, such that the distribution of ducts forming said circuits enables a homogeneity of the content of the leak-tight productive units to assure the production of microalgae on an industrial scale.

NOVEL METHOD OF PRODUCING AN ALGAE COMPOSITION

Resumen de: AU2023311352A1

A system and method for growing microalgae capable of mixotrophic metabolism, preferably Chlorella sp. Microalgae grown in the system using the method are able to survive and grow in dark refrigeration, which allows the algae to be stored and transported for application as a live culture. In addition, the microalgae can be grown in sufficient quantities to be sold commercially for application to crops as a biostimulant.

LIGHT SUPPLEMENTATION AND THERMAL INSULATION DEVICE FOR MICROALGAE PIPELINE CULTIVATION AND METHOD FOR MICROALGAE PIPELINE CULTIVATION

Resumen de: US2025034507A1

A light supplementation and thermal insulation device for microalgae pipeline cultivation and a method for microalgae pipeline cultivation is provided. The light supplementation and thermal insulation device has a combined light conversion film body, fixing parts located at an upper end and a lower end of the combined light conversion film body, and lifting systems; the combined light conversion film body comprises a bottom opaque film, a middle reflective film, and an upper light conversion film; the bottom opaque film, the middle reflective film, and the upper light conversion film are fixed together as a whole by the fixing parts at the upper end and the lower end; the lifting systems are connected to the fixing parts at the upper end. It solves the problem of difficult light supplementation during the daytime in microalgae pipeline cultivation and also addresses the issue of thermal insulation during the nighttime.

Plant disease resistance inducer, method for inducing plant disease resistance, and method for producing plant disease resistance inducer

Resumen de: CN119384223A

The present disclosure provides a plant disease resistance inducer capable of effectively inducing the resistance of a plant to a disease. The plant disease resistance inducer according to the present disclosure contains secretions of cyanobacteria.

Method for maintaining continuous photosynthetic hydrogen production of microalgae under ultrahigh light intensity

Resumen de: CN119372263A

The invention discloses a method for maintaining continuous photosynthetic hydrogen production of microalgae under ultrahigh light intensity, and belongs to the technical field of biological energy sources. The method comprises the following steps: culturing microalgae: transferring microalgae species into a TAP culture medium, and carrying out illumination culture until the number of microalgae cells reaches a logarithmic phase; the preparation method comprises the following steps: synthesizing a poly (N-isopropylacrylamide-butyl acrylate) copolymer, namely dissolving N-isopropylacrylamide, butyl acrylate and an azodiisobutyronitrile solution in anhydrous tetrahydrofuran, removing oxygen for 30 minutes under the action of magnetic stirring, and reacting for 24 hours at the temperature of 50 DEG C after the oxygen removal is finished, so as to obtain PNIPAM-BA (poly (N-isopropylacrylamide-butyl acrylate)-BA (poly (N-isopropylacrylamide-butyl acrylate))-BA (poly (N-isopropylacrylamide)-BA); the method comprises the following steps: taking a microalgae solution, centrifugally collecting microalgae, dispersing the microalgae in an HM culture medium, adding PNIPAM-BA and graphene oxide, and continuously illuminating at 25 DEG C under the light intensity of 2000 mu mol photons.m <-2 >. S <-1 >; the sunlight-driven intelligent microalgae photoreactor is constructed through graphene oxide and PNIPAM-BA, the survival rate and chlorophyll content of microalgae under the ul

Chlorella microalgae and application thereof in sewage treatment

Resumen de: CN119372063A

The invention discloses a chlorella microalgae and an application of the chlorella microalgae in sewage treatment, and the collection number of the chlorella is CCTCC (China Center for Type Culture Collection) 20231952. Chlorella is used for treating sewage, and for oil-containing food processing plant wastewater, compared with activated sludge, chlorella has no growth inhibition on high-oil wastewater. For printing and dyeing wastewater which cannot be treated by activated sludge, chlorella can be used for directly treating the printing and dyeing wastewater. The treatment of animal husbandry wastewater shows that the chlorella further degrades refractory organic matters (COD (Chemical Oxygen Demand) is reduced to 200mg/L or below) in the sewage and can replace an advanced treatment end, namely, the dosage of chemical agents is reduced, the secondary pollution is avoided, and the cost is saved. Meanwhile, the treatment conditions of anaerobic effluent and raw wastewater show that compared with an activated sludge method and an anaerobic digestion method, the chlorella can more quickly and efficiently remove organic matters in sewage.

Method for implementing microalgae carbon sequestration technology for carbon dioxide flue gas recovery

Resumen de: CN119345897A

The invention discloses a method for implementing a microalgae carbon sequestration technology by recycling carbon dioxide flue gas, and relates to the field of environment and energy, and the method comprises the following steps: step 1, microalgae cultivation: feeding microalgae, a culture solution and water into a liquid storage tank through an adding port, at the moment, the collected carbon dioxide flue gas is fed into a gas supply box by a carbon dioxide supply system through a supply pipe and a connecting pipe, and forms small bubbles through a plurality of aeration pipes to be dissolved in water, and carbon sequestration treatment is carried out on carbon dioxide by utilizing photosynthesis of microalgae; step 2, mixing: utilizing a rotating assembly in a driving mechanism, driving a gear ring to rotate through a rotating driving gear, enabling an upper shell to rotate along a lower shell, and ensuring that the microalgae are uniformly distributed in a liquid storage tank and fully contacted with light and carbon dioxide through a stirring rod; thirdly, separation maintenance is conducted, an electromagnet in a separation assembly is powered on to generate magnetism, a clamping block of a clamping assembly is inserted into a clamping groove, clamping connection of an inserting rod and threaded rods is completed, at the moment, a double-shaft motor works, the two threaded rods can be controlled to rotate under the action of a transmission wheel, and separation maintena

Ecological restoration method for saline-alkali soil

Resumen de: CN119344020A

The invention relates to the technical field of soil remediation, in particular to a saline-alkali soil ecological remediation method. The ecological restoration method for the saline-alkali soil comprises the following steps: (1) adding a saline-alkali soil modifier into the saline-alkali soil; (2) applying a microbial fertilizer to the saline-alkali soil; (3) applying a mixed microalgae solution to the saline-alkali soil; and (4) carrying out rotation planting on saline-alkali tolerant plants in the treated saline-alkali soil. According to the comprehensive and systematic ecological restoration method for the saline-alkali soil, the saline-alkali soil modifier, the microbial fertilizer and microalgae treatment are organically combined, saline-alkali tolerant crops are planted in the saline-alkali soil in a rotation mode, the restoration effect of the saline-alkali soil can be effectively improved, and a solution is provided for an actual engineering project.

Preparation method of beta-carotene based on dunaliella salina

Resumen de: CN119350207A

The invention relates to the technical field of carotene preparation, in particular to a method for preparing beta-carotene based on dunaliella salina, which comprises the following steps: collecting algae liquid, and carrying out centrifugal dewatering treatment on the algae liquid to obtain algae mud; the obtained algae mud is further subjected to wall breaking treatment, and conditions are provided for preparation of beta-carotene; receiving the wall-broken algae mud, and further performing drying treatment to obtain algae powder to provide conditions for preparation of beta-carotene; according to the method, wall breaking is carried out on the dunaliella salina by adopting a combined physical wall breaking technology, and then the beta-carrot is extracted by adopting supercritical CO2, so that the extraction rate is increased. Supercritical CO2 is used as a green separation technology, and physiological active substances extracted from microalgae have the advantages of being high in purity, capable of keeping biological activity, high in extraction rate, pure in color and taste, high in stability, high in product additional value and the like.

Microalgae culture tank

Resumen de: CN222389814U

The utility model relates to the field of microalgae culture, and discloses a microalgae culture tank which comprises a tank body, a motor is fixedly installed at the bottom end of the tank body, a rotating rod is fixedly connected to the top end of an output shaft of the motor, the rotating rod penetrates through and is rotationally connected to the inner wall of the tank body, and a fixing ring is fixedly connected to the outer wall of the upper end of the tank body. A tank cover is arranged at the top end of the tank body, a scraping assembly is arranged on the inner wall of the tank body and comprises a scraping plate, a first connecting block is fixedly connected to the left side of the scraping plate, a supporting plate is fixedly connected to the right side of a rotating rod, and the first connecting block is slidably connected to the right side of the supporting plate. According to the utility model, microalgae or other biological substances attached to the inner wall of the tank body can be scraped off through rotation of the scraper plate, the substances attached to the inner wall are reduced, the tank body is kept clean, nutrient substances and gas in a water body can be exchanged with microalgae cells more smoothly, and the growth and metabolism of the microalgae are promoted.

Treatment system for producing biomass energy by utilizing antibiotic-containing high-concentration wastewater

Resumen de: CN222389705U

The utility model discloses a treatment system for producing biomass energy by utilizing antibiotic-containing high-concentration wastewater. The system consists of a wastewater pretreatment unit, a struvite precipitation treatment unit, a microalgae resourceful treatment wastewater unit, a biomass efficient flocculation and recovery unit, a wastewater circulation treatment unit and a biodiesel extraction production unit which are sequentially connected together through pipelines. According to the utility model, high-concentration wastewater can be treated by coupling a struvite precipitation method and a microalgae wastewater treatment method, so that the water quality is purified; and antibiotics in the wastewater can be effectively biodegraded, and fertilizers and microalgae biodiesel can be produced, so that the implementation cost is greatly reduced.

SYSTEMS AND METHODS FOR PH CONTROL OF SEAWATER AND/OR FRESHWATER

Resumen de: WO2025019553A2

Some aspects of the present disclosure are generally related to systems and methods configured for growing microalgae and/or macroalgae, for example, for biomass generation or other applications. In some embodiments, the microalgae and/or macroalgae may be grown using carbon from CO2 generated from biological sources, and thus the microalgae and/or macroalgae may be certified as organically grown in some cases. According to some embodiments, the systems described herein introduce CO2 into the water in which the microalgae and/or macroalgae are grown and optionally, the systems may be configured to monitor and/or adjust a flow rate of the CO2 to regulate a pH of the water. Still other aspects are directed to methods of using the systems, kits including such systems, or the like.

NOVEL USES, IN PARTICULAR DERMATOLOGICAL USES, OF AN EXTRACT OF THE MICROALGA DUNALIELLA TERTIOLECTA

Resumen de: WO2025017021A1

The present invention relates to a D. tertiolecta extract or a composition comprising same, for use in preventing the appearance of and/or reducing acne and/or reducing dysseborrhoea and thereby purifying the skin, and/or preventing the appearance of and/or reducing acne lesions and thereby reducing imperfections, and/or reducing inflammation and thereby soothing the skin. The extract is also effective in maintaining and/or improving the barrier function, and/or improving skin texture. The invention also relates to a dermatological composition comprising a D. tertiolecta extract.

NOVEL USE OF AN EXTRACT OF THE MICROALGA PHAEODACTYLUM TRICORNUTUM

Resumen de: WO2025017264A1

The invention relates to a Phaeodactylum tricornutum extract or to a composition comprising same for facilitating the resumption of a physical activity, advantageously a sports activity, and/or reducing cardiovascular risks and/or risks related to fragile bones and/or joints when resuming a physical activity, advantageously a sports activity.

Application of microalgae polysaccharide in improving intestinal immunity of dairy cow

Resumen de: CN119326069A

The invention relates to application of microalgae polysaccharide in improving intestinal immunity of dairy cows, belongs to the technical field of feeds, and the microalgae polysaccharide prepared by the invention is used for improving the secretion volume of intestinal mucosa to lgA, lgG and lgM. Kelp buds, dunaliella salina and haematococcus pluvialis are compounded and mixed according to a specific proportion, trypsin and nattokinase are adopted for pre-enzymolysis within a certain period of time, then hemicellulase and pectinase are adopted for enzymolysis within a certain period of time, and the enzymolysis effect is good. The obtained microalgae polysaccharide product has an excellent effect of promoting the intestinal tract of the dairy cow to secrete immune globulin, the content of IgA, IgG and IgM in the intestinal tract of the dairy cow can be greatly increased, the immunity of the intestinal tract of the dairy cow is further improved, and the microalgae polysaccharide product can be used as a substitute component for efficiently improving the immune function of the intestinal tract of the dairy cow.

Photobioreactor sheet with baffle structure as well as integral one-time forming manufacturing device and manufacturing method of photobioreactor sheet

Resumen de: CN119331708A

The invention relates to the field of microalgae culture photobioreactors, in particular to a photobioreactor sheet with a baffle structure and an integral one-time forming manufacturing device and method of the photobioreactor sheet. The invention further relates to a manufacturing device and a manufacturing method for manufacturing a soft plate type photobioreactor by adopting the photobioreactor sheet with the baffle structure. The problem that the photobioreactor sheet with the baffle structure is difficult to integrally form at one time and continuously produce is solved; and the photobioreactor sheet with the baffle structure, which is stable and reliable in quality and has any length, and a corresponding manufacturing device and a corresponding manufacturing method are provided for subsequent welding of rib plates, drawstring welding and peripheral edge welding between flow channels of the soft plate type photobioreactor.

Award imparting system, award imparting device, computer-readable medium, and award imparting method

Resumen de: CN119338519A

The present invention addresses the problem of providing a reward imparting system, a reward imparting device, a computer-readable medium, and a reward imparting method, whereby it is possible to increase the number of people participating in the cultivation of algae. In order to solve the problem, a reward imparting system according to an embodiment of the present invention is provided with a cultivation device for cultivating microalgae, a measurement device for measuring a physical quantity indicating the degree of cultivation of the microalgae, and a reward imparting device. A reward assigning device is provided with a reward determining unit and an assigning unit. The reward determination unit uses the physical quantity to determine the number of rewards corresponding to the carbon dioxide absorption amount of the microalgae or the degree of cultivation. The assigning unit assigns the number of rewards to the owner of the cultivation device.

Preparation method and application of algicidal bacterial powder of pseudomonas

Resumen de: CN119331862A

The invention discloses a preparation method and application of algicidal bacterial powder of pseudomonas, and relates to the technical field of microorganisms. Pseudomonas HB01 is separated from bottom mud in a cyanobacterial bloom environment, and the pseudomonas HB01 is applied to treatment of cyanobacterial bloom in lakes by utilizing the characteristic that bacterial liquid containing the pseudomonas HB01 has good algae-lysing activity. The separated pseudomonas HB01 has a good algae-lysing effect on microcystis aeruginosa, the removal rate within 72 hours can reach 85% or above, and the pseudomonas HB01 also has good performance on other common water bloom algae.

Method for processing carboxylic acid-containing separation product of separation process

Resumen de: CN119343459A

The invention relates to a method for processing a carboxylic acid-containing separation product of a separation process, in particular a process for separating fish oil and/or algal oil, wherein polyunsaturated hydrocarbons are produced at least from a portion of the carboxylic acid by means of a microorganism. Suitably, the polyunsaturated hydrocarbons are or include omega-3 fatty acids and/or omega-6 fatty acids, preferably EPA, DHA and/or DPA. In one embodiment of the invention, the microorganisms are or include yeasts, fungi, bacteria and/or in particular marine protists, preferably microalgae. The yeast is preferably a Yarrowia lipolytica-based yeast, and the marine protists are preferably microalgae of Schizochytrium limacinum, preferably Schizochytrium limacinum SR21. The invention also relates to a biomass containing polyunsaturated hydrocarbons produced by microorganisms.

Manufacturing device and manufacturing method of soft plate type photobioreactor runner

Resumen de: CN119331709A

The invention relates to the field of microalgae culture photobioreactors, in particular to a manufacturing device and a manufacturing method of a soft plate type photobioreactor runner. According to the manufacturing device, two (or one folded) photobioreactor sheets with baffle structures are automatically aligned and continuously welded with rib plates of any length in a large scale to form a soft plate type photobioreactor runner, and then the soft plate type photobioreactor is manufactured. The invention relates to a flexible plate type photobioreactor, and aims to solve the problems that in the manufacturing process of a flexible plate type photobioreactor with an internal baffle structure, two (or one folded) sheet rib plates of a photobioreactor with a baffle structure are difficult to weld, the production efficiency is low, the manufacturing cost is too high, the quality is difficult to guarantee, and only a small-size flexible plate type photobioreactor can be manufactured.

Reactor for fixing CO2 in fermentation tail gas through coupling of microalgae culture and fermentation

Resumen de: CN119331710A

The invention provides a reactor for coupling fixation of CO2 in fermentation tail gas in microalgae culture and fermentation. The reactor comprises a material supplementing tank, a material supplementing pump, a bioethanol fermentation tank and a microalgae photobioreactor, the material supplementing tank is communicated with the bioethanol fermentation tank through a first pipeline, and the material supplementing pump is arranged on the pipeline; the bioethanol fermentation tank is communicated with the microalgae photobioreactor through a second pipeline; a microalgae culture medium and a cold light source illumination assembly are arranged in the microalgae photobioreactor. The reactor provided by the invention can fix CO2 generated in the ethanol continuous fermentation process through microalgae, the microalgae growth and carbon fixation rate is high, and the reactor has a relatively good treatment effect on CO2 generated in the ethanol fermentation process.

Column type microalgae photobioreactor

Resumen de: CN222374642U

The utility model discloses a column type microalgae photobioreactor which comprises a vacuum pump, a buffer tank, a reactor, a bracket, an algae liquid storage pool and a central control device, the vacuum pump is sequentially connected with the buffer tank and the reactor through pipelines, the reactor is erected on the algae liquid storage pool through a support, and the central control device is connected with and controls all the devices. The reactor provided by the utility model takes the vacuum pump as driving force, and is provided with multiple buffer containers, so that the continuous operation of the system is prevented from being influenced by the pollution of the vacuum pump while the shearing force of a flow passage component of the water pump is avoided, and the problem of pain points in the application process of the traditional column type microalgae photoreactor is effectively solved; while the advantage of high carbon sequestration efficiency of the column type reactor is reserved, the problems that the column type reactor is difficult to clean, the water pump easily damages microalgae growth and the like are solved.

Equipment for preparing functional skin care product raw materials through microalgae culture

Resumen de: CN222374652U

The utility model discloses equipment for preparing functional skin care product raw materials through microalgae culture, and relates to the field of microalgae culture preparation, the equipment for preparing the functional skin care product raw materials through microalgae culture comprises a servo motor and a box body, the top of the box body is movably provided with a top cover, and the top cover is provided with a rotating plate; a servo motor is fixedly connected to the bottom of the box body, a rotary placing plate is movably connected to the bottom of the inner side of the box body, an output shaft of the servo motor is fixedly connected with the rotary placing plate, a plurality of fixed bases are fixedly connected to the rotary placing plate, and culture bottles are fixedly mounted on the fixed bases; a rubber sealing cover is fixedly mounted at the top of the culture bottle, a fixed handle is fixedly connected to the rubber sealing cover, and the top of the fixed handle is attached to the bottom of the rotating plate, so that the problems that the breeding speed of microalgae is limited and the production efficiency is greatly reduced due to insufficient carbon dioxide caused by insufficient stirring of the microalgae are avoided.

CAPILLARY SHAPE IMPROVER

Resumen de: JP2025008101A

To provide a food composition and a pharmaceutical composition suitable for use as a capillary shape improver that can effectively improve a capillary shape even when consumed at low dosages, while ensuring safety and stable supply.SOLUTION: The present invention provides a capillary shape improver for oral administration that comprises any one of microalgae containing n-6 docosapentaenoic acid (n-6DPA), a fatty acid composition containing n-6DPA, and n-6DPA.SELECTED DRAWING: None

Rapid cracking reactor for microalgae biomass

Resumen de: CN222362091U

The utility model discloses a microalgae biomass rapid cracking reactor, relates to the technical field of microalgae biomass cracking, and provides the following scheme that the microalgae biomass rapid cracking reactor comprises a bracket and a reaction mechanism arranged above the bracket, and the reaction mechanism comprises a blanking assembly and a mixing assembly; the discharging assembly comprises a discharging port, a discharging valve, a cavity, a bottom fixing ring, a first rotating shaft, a hydraulic rod, a rear telescopic frame, a second rotating shaft, a third rotating shaft, a movable ring and a top cover. The cavity is fixedly installed above the support. By arranging a hydraulic rod, the hydraulic rod can stretch out and draw back in the device in the using process, due to the fact that the bottom of the hydraulic rod is connected with a bottom fixing ring through a first rotating shaft, and the top of the hydraulic rod is connected with the uppermost rear telescopic frame through a third rotating shaft, the hydraulic rod can drive the rear telescopic frame at the top to move upwards; and during moving, a rear telescopic frame and a second rotating shaft can be driven to stretch out and draw back, the position of a movable ring in the device is adjusted, and the interior of the device is cleaned.

Device and method for preparing high-quality bio-oil by culturing microalgae with wastewater and pyrolyzing

Resumen de: CN119320646A

The invention relates to the technical field of environmental protection and biomass energy, and particularly provides a device and a method for preparing high-quality bio-oil by culturing microalgae from wastewater and pyrolyzing the microalgae, the device comprises a microalgae incubator, a solid-liquid separation device, a water quality detection device, a drying device, a crushing device, a stirring device and a catalytic pyrolysis purification system, an outlet of the microalgae incubator is connected with an inlet of the solid-liquid separation device through a pipeline, a liquid outlet of the solid-liquid separation device is connected with the water quality detection device, a solid outlet of the solid-liquid separation device is connected with an inlet of the drying device, an outlet of the drying device is connected with an inlet of the crushing device, and an outlet of the crushing device is connected with an inlet of the stirring device. An outlet of the stirring equipment is connected with an inlet of the catalytic pyrolysis purification system. The invention aims to reduce the microalgae culture cost, improve the quality of bio-oil and realize resource utilization of wastewater.

RED ALGAE BIOMASS EXTRACT, AND COSMETIC USE THEREOF FOR ELIMINATING SKIN IMPERFECTIONS

Resumen de: WO2025012135A1

The present invention relates to a photosensitizing polar biomass extract extracted from phycocyanin-producing organisms, in particular unicellular red algae (URA) or cyanobacteria, and to the cosmetic use thereof for preventing and/or eliminating skin imperfections, i.e. for improving the look of the skin.

MIXTURE OF CYANOBACTERIA, CHITOSAN, AND PLANT EXTRACTS FOR WOUND HEALING AND ELIMINATING PATHOGEN BACTERIA

Resumen de: US2025017990A1

A combination of cyanobacteria, chitosan, and plant extracts for wound healing, eliminating pathogen bacteria, or promoting antioxidant activity is provided. The cyanobacteria my be a Spirulina platensis extract and the plant extract may be shilajit.

METHOD FOR PRODUCING MICROALGAE CONCENTRATES WITH LOW VISCOSITY

Resumen de: AU2023363047A1

The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.

MIXTURE OF CYANOBACTERIA, CHITOSAN, AND PLANT EXTRACTS FOR WOUND HEALING AND ELIMINATING PATHOGEN BACTERIA

Resumen de: US2025017989A1

A combination of cyanobacteria, chitosan, and plant extracts for wound healing, eliminating pathogen bacteria, or promoting antioxidant activity is provided. The cyanobacteria my be a Spirulina platensis extract and the plant extract may be shilajit.

Aquaculture Feed for Fresh-Water Eel Using Microalgae of Genus Schizochytrium and Methods for manufacture thereof

Resumen de: WO2025009883A1

The present invention relates to a feed composition for eels, the composition comprising Schizochytrium sp. microalgae-derived biomass, and a method for culturing eels using same. When the eel feed composition containing the Schizochytrium sp. microalgae-derived biomass is supplied to the eel, growth of the eel is promoted, and thus the biomass can be advantageously used as a feed composition or a feed additive for eels.

Probiotic algae bacteria and method for culturing isochrysis galbana by using same

Resumen de: CN119307397A

The invention provides a beneficial algae bacterium and a method for culturing isochrysis galbana by using the beneficial algae bacterium, the beneficial algae bacterium separated from an isochrysis galbana solution is added to effectively improve the breeding density of the isochrysis galbana and inhibit harmful vibrio at the same time, the specific algae strain is isochrysis galbana 3018 (Isochrysis galbana) NMB-Ig-3018, and the preservation number is CCTCC (China Center For Type Culture Collection) 20241471. One specific bacterial strain is pseudoalteromonas aureus NMB-Ig-Pf-0001, and the preservation number of the pseudoalteromonas aureus NMB-Ig-Pf-0001 is CCTCC (China Center For Type Culture Collection) CM20241074. The invention further discloses a preparation method of the pseudoalteromonas aureus NMB-Ig-Pf-0001. According to the method disclosed by the invention, the breeding density of the isochrysis galbana is far higher than that of the isochrysis galbana cultured by a conventional Ningda No.3 culture medium, more microalgae can be supplied under the same water body condition, and the method is very beneficial to microalgae quantity control and production management in the actual large-scale shellfish production process. In addition, the effect of inhibiting vibrios is achieved while the density of the algae is increased, and poison of the vibrios in aquaculture water is reduced.

Algae fermentation culture method

Resumen de: CN119307378A

The invention provides an algae fermentation culture method, which relates to the technical field of bioengineering, and comprises the following steps: selecting microalgae seeds; constructing an index fed-batch model corresponding to the selected microalgae seeds; inoculating the microalgae seeds into a fermentation tank of a Basal culture medium; culturing according to the index fed-batch model under a dark condition; after culturing under a dark condition, adding plant hormones and a nitrogen source to continuously culture to obtain the microalgae. According to the algae fermentation culture method provided by the invention, the growth of microalgae and the accumulation of xanthophyll are facilitated through index fed-batch fermentation, and after the index fed-batch fermentation culture, IAA high-nitrogen combined treatment is matched, so that the xanthophyll yield and yield of the microalgae in a fermentation tank can be effectively improved.

Crab and shellfish mixed culture method

Resumen de: CN119302249A

The crab and shellfish mixed culture method comprises the following steps: S1, water purification: selecting a pond, and adding a composite microalgae ecological preparation containing microalgae in the culture water to purify the water; s2, fingerling stocking: putting healthy crab fingerlings and shellfish fingerlings into the aquaculture water purified in the step S1, and feeding the crab fingerlings and the shellfish fingerlings with feed for aquaculture; s21, disease control: adding a mixture of copper sulfate and zinc sulfate into the culture water body during the culture period in the step S2; the method is characterized in that in the step S21, the content of copper sulfate in the copper sulfate and zinc sulfate mixture is 0.4-1 g/mL, the content of zinc sulfate is 0.8-2 g/mL, and the dosage of the copper sulfate and zinc sulfate mixture is 0.03-0.045 mL of the copper sulfate and zinc sulfate mixture is put into per cubic meter of the aquaculture water. Under the dosage, the concentration of the copper ions in the culture water body cannot generate an inhibition effect on the growth of the microalgae, and the synthesis of chlorophyll a in the microalgae can be remarkably promoted, so that the growth rate of the microalgae is improved.

Microalgae culture method and optimization method and application thereof

Resumen de: CN119307376A

The invention discloses a method for culturing microalgae with swine wastewater and an optimization method and application thereof, and belongs to the field of microalgae culture, the culture method comprises the following steps: (1) diluting culture wastewater, and adding a carbon source and a phosphorus source, the addition amount of the carbon source being 0-5000 mg/L; the addition amount of the phosphorus source is 0-100 mg/L; then adjusting the pH value of the wastewater; (2) inoculating microalgae into the wastewater in the step (1), and culturing; the initial algae density of the microalgae is 0.05 to 1.0 OD660. By adding a specific carbon source and a phosphorus source, the problems of C/N and N/P imbalance and the like in the culture wastewater are solved, and the culture conditions of algae are optimized, so that the protein content in microalgae cells and the microalgae biomass are improved, and the cost of algae culture is reduced. According to the method, in the algae biomass harvesting process, pollutants such as ammonia nitrogen, phosphate and total organic carbon in the wastewater can be synchronously removed, and deep purification of the wastewater is achieved.

Algae/bacterium symbiotic hydrogel with core-shell structure and preparation method of algae/bacterium symbiotic hydrogel

Resumen de: CN119307484A

The invention discloses a core-shell structure algae/bacteria symbiotic hydrogel and a preparation method thereof, the core-shell structure algae/bacteria symbiotic hydrogel (algae is a core and bacteria are a shell) is prepared by using a 3D printing technology, the algae and the bacteria are separated from each other in space, and a customized latticed structure can effectively disperse light, so that microalgae in a bracket can receive the light, and the algae/bacteria symbiotic hydrogel is prepared. The problem of low hydrogen production efficiency caused by serious mutual shielding among cells, low light energy utilization rate, nutrient substance competition and the like is solved, the system almost eliminates the requirement on a liquid medium, and growth of microalgae and bacteria in the hydrogel can be supported only by forming a layer of solid culture medium at the bottom of the printed hydrogel; water resources are saved; and the space utilization rate is improved.

Method for producing biodiesel by using organic solid waste anaerobic fermentation liquor and microalgae

Resumen de: CN119307562A

The invention discloses a method for producing biodiesel by using organic solid waste anaerobic fermentation liquor and microalgae, which comprises the following steps: inoculating microalgae into a culture medium for culture, and collecting algae cells; and adding the organic solid waste anaerobic fermentation liquor into the residual culture medium, inoculating microalgae for culture, and collecting new algae cells. According to the method, the organic solid waste anaerobic fermentation liquid is directly added into the residual culture medium, so that a new microalgae culture system can be quickly formed, the production process can be simplified, continuous culture of microalgae can be realized, the accumulation amount of microalgae biomass and the yield of biodiesel can be increased, the use amount of water can be remarkably reduced, and the production cost can be reduced. And addition of a new carbon source is avoided, so that the production cost is reduced. The method has the advantages of being simple in process, convenient to operate, low in cost, high in microalgae biomass yield, high in biodiesel yield, good in biodiesel quality and the like, is suitable for large-scale production of the biodiesel, and facilitates industrial application of the biodiesel.

Electrical stimulation culture device for microalgae

Resumen de: CN222331931U

The electrical stimulation culture device comprises a three-way pipe, a wire, a spectrum carbon rod, a carbon rod connecting piece and a direct-current power supply, transparent coiled pipes are arranged on a fixing frame in a layered mode in the longitudinal direction, fluorescent lamps are arranged on all the layers, and the liquid inlet ends and the liquid outlet ends of the adjacent transparent coiled pipes are communicated through longitudinal U-shaped pipes; a discharging pipe at the bottom of the cabin body is communicated with the input end of a liquid conveying pump through a pipeline, the output end of the liquid conveying pump is communicated with a three-way pipe, a cover body is installed at a side opening of the three-way pipe in a sealed mode, and the other end of the three-way pipe is connected with the liquid inlet end of a bottom-layer transparent coiled pipe through a pipeline. The matching part of the wire and the circular hole in the top of the cover body is sealed by glue; one ends of the leads extending into the pipeline are respectively connected with the spectrum carbon rods, the other ends of the leads are respectively connected with a direct-current power supply, and multiple groups of carbon rod connecting pieces are arranged among the spectrum carbon rods. The device can meet the requirements of ton-level industrial production and is suitable for further popularization and application.

Method for treating organic wastewater and coupling carbon sequestration by using improved microalgae

Resumen de: CN119285105A

The invention provides a method for treating organic wastewater and coupling carbon sequestration by utilizing improved microalgae, which comprises the following steps: culturing the microalgae under high-temperature and high-light conditions, improving the gene of microalgae cytochrome P450 enzyme by adopting a gene editing technology, and increasing the expression quantity of the cytochrome P450 enzyme; the method comprises the following steps: carrying out gradient domestication culture on improved microalgae in organic wastewater, inoculating the domesticated microalgae into the pretreated organic wastewater, culturing in a photobioreactor, and degrading organic matters in the wastewater in the culture process. Microalgae are improved from the gene level, the expression quantity of cytochrome P450 enzyme is strengthened and hydroxylation of organic pollutants is promoted through stimulation, regulation and control of high-temperature and high-light culture conditions, so that the organic pollutants are easier to degrade, and carbon dioxide can be fixed; the method can be used for treating various types of organic wastewater, and is high in treatment efficiency and relatively low in cost.

Culture device with multiple temperature gradients

Resumen de: CN222331899U

The utility model discloses a culture device with multiple temperature gradients, which is applied to microalgae culture. The culture device comprises a metal shell, a plurality of groups of culture containers, a temperature control device, an acrylic plate and cold light sources, wherein the culture containers are positioned in the metal shell and are distributed in a rectangular array manner; the acrylic plate is fixedly mounted at the bottom of the metal shell; the cold light sources act on the corresponding culture containers. The temperature control device comprises a main machine fixedly installed at the position of the front surface of the metal shell, three sets of heating templates embedded in the metal shell in parallel, and a temperature monitoring module used for detecting the corresponding heating templates. The temperature control device is wide in temperature control range and more stable in temperature control, culture conditions with multiple temperature values can be established to guarantee rigorous related temperature experiments, meanwhile, single culture containers can be taken independently and do not influence one another, operability is high, and the temperature is kept stable when samples are taken.

Photobioreactor device for microalgae culture

Resumen de: CN222331895U

Provided is a photobioreactor device for microalgae culture, characterized in that the device comprises: an outer container for containing a culture solution, the outer container comprising a transparent side wall and a removable upper cover; the inner container is used for containing culture liquid and microalgae and can be contained in the outer container and taken out of the outer container, the inner container comprises a transparent side wall, a top screen and a bottom screen, each of the top screen and the bottom screen comprises a screen mesh, the mesh size of the screen mesh can allow the culture liquid and gas to pass through, and meanwhile the microalgae is prevented from passing through; at least one of the top screen and the bottom screen is removably engageable with the inner container; and the gas circulation unit injects gas rich in carbon dioxide into the outer container.

FEED FOR EEL USING SCHIZOCHYTRIUM SP. MICROALGAE AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2025009883A1

The present invention relates to a feed composition for eels, the composition comprising Schizochytrium sp. microalgae-derived biomass, and a method for culturing eels using same. When the eel feed composition containing the Schizochytrium sp. microalgae-derived biomass is supplied to the eel, growth of the eel is promoted, and thus the biomass can be advantageously used as a feed composition or a feed additive for eels.

BIO-OIL EXTRACTION METHOD WITH IMPROVED OIL RECOVERY RATE BY USING COOLING PROCESS

Resumen de: US2025011678A1

The present invention relates to a bio-oil extraction method with an improved oil recovery rate by using a cooling process. The bio-oil extraction method of the present invention, in which a process of cooling a suspension obtained by disrupting cells of a culture solution containing microalgae is further carried out, exhibits a high oil recovery rate, and does not comprise adding other additives to increase an oil recovery rate, thus enabling oil recovery and the use of remaining by-products as feed, whereby sustainable production is possible, and the recovered oil can be effectively used as a feed composition, a food composition, or the like.

CYANOBACTERIAL EXTRACTS, PROCESSES FOR PREPARING THE SAME AND USES THEREOF

Nº publicación: AU2024278392A1 09/01/2025

Solicitante:

FAR EAST BIO TEC CO LTD
FAR EAST BIO-TEC CO., LTD

Resumen de: AU2024278392A1

The present disclosure provides various cyanobacterial extracts exhibiting antiviral activity to a wide spectrum of viruses, such as enterovirus (EV), respiratory syncytial virus (RSV), Human Herpesvirus (HHV), Ebola virus, porcine epidemic diarrhea virus (PEDV), and porcine reproductive and respiratory syndrome virus (PRRSV). The cyanobacterial extract is prepared from biomass of A. maxima (or Spirulina maxima). Also disclosed herein are process for preparing the cyanobacterial extract and uses of the cyanobacterial extract.