Alerta

PROCESS FOR PRODUCING BIOFERTILIZERS/BIOSTIMULANTS FROM MICROALGAE OF THE SPECIES SCENEDESMUS SP. WITH INTENSIVE CO2 CAPTURE, BIOFERTILIZERS/BIOSTIMULANTS OBTAINED BY SAID PROCESS AND THEIR USES IN AGRICULTURE

Resumen de: US20260070853A1

The present invention relates to a process for producing biofertilizers/biostimulants from microalgae with intensive CO2 capture, which comprises the following steps: a) preparing an inoculum;b) cultivating for the production of microalgae biomass in a window photobioreactor;c) collecting the biomass by flocculation;d) drying the biomass, and grinding and extracting a polar fraction by solvent in a two-phase system; ande) analyzing the polar fraction by liquid chromatography.The invention also relates to the extracts of wet biomass of the microalgae Scenedesmus sp., obtaining the polar fraction. This polar fraction contains amino acids, sugars, betaine derivatives, vitamin B3 (nicotinamide or nicotinic acid) and pantothenic acid (vitamin B5), the monoterpene loliolide and the tryptophan derivative indole-lactic acid (analogous to indole-acetic acid, a phytohormone of the auxin class).The polar fraction can also be used as an input in the cultivation of soybeans, corn, sugar cane, cotton and coffee, among other cultivated species.

ANTIVIRAL AGENT COMPRISING MICROALGAE EXTRACT AS ACTIVE INGREDIENT

Resumen de: WO2026049115A1

The present invention relates to an antiviral composition comprising a microalga extract as an active ingredient. More specifically, a Tetraselmis extract effectively inhibits the proliferation and replication of flaviviruses and thus can be advantageously used as an antiviral agent, a pharmaceutical composition, a health functional food composition, or a quasi-drug composition for anti-flavivirus activity.

BIO-BASED PRODUCTION OF N-ACETYLCYSTEINE

Resumen de: WO2026050082A1

Disclosed herein are methods for the fermentative production of N-acetylcysteine (NAC) or NAC-containing products from unicellular organisms. Also disclosed herein are genetic modifications of the NAC and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi. Further disclosed herein are fermentation and processing methods for the production of various NAC-containing products. The present disclosure further relates to use of the cells, fermentation broth or extracts that contain NAC to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, or agricultural production.

BIOREMEDIATION OF ORGANIC COMPOUNDS IN WATER VIA MICROALGAE

Resumen de: US20260062330A1

A method for organic compound removal from a solution using microalgae includes extracting one or more hydrocarbons from an underground geologic formation to form a hydrocarbon composition and a produced water including at least a portion of the one or more hydrocarbons and one or more salts. The method further includes mixing the produced water with a wastewater to form a solution, and then contacting a microalgae feedstock, Chlorella sorokiniana, with the solution in a bioreactor. The total lipid content of the microalgae feedstock is 13 to 17%. The method includes removing the one or more hydrocarbons, nitrogen, and phosphorous from the solution by algal consumption with the microalgae feedstock. The method of the present disclosure removes 80 to 90 wt. % of the one or more hydrocarbons, 70 to 85 wt. % nitrogen, and 90 to 100 wt. % phosphorous.

SCHIZOCHYTRIUM POWDER FOR REDUCING METHANE EMISSIONS FROM DAIRY COWS AND PREPARATION METHOD THEREOF

Resumen de: EP4699450A1

this application relates to the technical field of feed, and specifically discloses a schizochytrium powder for reducing methane emissions from dairy cows, a method for preparing same, and a double-layer whole-cell microalgal schizochytrium powder or a whole-cell microalgal schizochytrium powder of a structure that contains a schizochytrium core and a double-layer outer coating, the powder being prepared by the method. Methanogens in a rumen can reduce carbon dioxide to CH₄ by using hydrogen. In a feed formulation of this application, a multi-layer core-coating structure is adopted; lysozyme is added in an outermost coating of a schizochytrium particle; and 4-hydroxy-3-methoxybenzoic acid, D-alloisoleucine, and D-2-aminobutyric acid are added in an intermediate coating to inhibit growth of Methanobrevibacter and Methanomicrobium, regulate microbial community structures, promote microbial community metabolism in the rumen to shift toward a propionic acid pathway, reduce the amount of acetic acid and an acetate-to-propionate ratio, promote digestion, and increase the VFA fermentation yield and the amount of propionic acid, thereby reducing methane emissions and promoting absorption of various nutrients of schizochytrium without affecting the fermentation effect of the microbial community. When put in long-term use, the feed formulation can significantly increase the content of nutrients such as DHA in milk.

Carbon reduction system using microalgae

Resumen de: KR20260024283A

본 발명은 유휴공간 상에 미세조류배양장치를 설치하여 유휴공간의 활용도를 높일 수 있고, 미세조류를 활용하여 대기 중의 이산화탄소를 포집함으로써 미세조류 배양액에 의해 공기 중 분진 등 미세물질이 제거될 수 있어 공기 오염을 저감시킬 수 있도록 하는 미세조류를 활용한 탄소 저감 시스템을 제공한다. 본 발명은 이산화탄소를 포집하고, 미세조류를 배양하기 위한 미세조류 배양장치(200)와; 상기 미세조류 배양장치(200)와 통신하고, 상기 미세조류 배양장치(200)로부터 전송되는 데이터를 저장하고, 상기 미세조류 배양장치(200)의 상태를 관리하기 위한 관리서버(300)와; 상기 관리서버(300)와 통신하고, 상기 관리서버(300)에 저장된 데이터를 확인 및 관리하며, 상기 관리서버(300)를 통해 상기 미세조류 배양장치(200)를 제어하기 위한 사용자 단말(400)을 포함하되; 상기 미세조류 배양장치(200)는 유휴공간에 모듈형으로 설치되어 탄소를 포집 및 미세조류를 생산하고, 생산된 미세조류는 가공하여 판매하는 것을 특징으로 한다.

TOYS21 Novel microalga Tetradesmus obliquus TOYS21 and its culturing method

Resumen de: KR20260021871A

본 발명은 신규한 테트라데스무스 오블리쿠스 TOYS21(Tetradesmusobliquus TOYS21) 미세조류 및 이의 배양방법에 관한 것으로, 상기 TOYS21 미세조류가 다양한 광합성 색소, 지방산 및 아미노산을 생산하고, 상기 미세조류의 광배양 최적조건을 확인함으로써, 상기 미세조류 및 이의 배양방법을 제공하고, 건강기능식품, 사료, 화장품 첨가제 등으로서 가능성을 제시할 수 있다.

CELL CULTURE COMPOSITION CONTAINING MICROALGAE EXTRACT AND USE THEREOF

Resumen de: US20260049284A1

The present disclosure relates to a cell culture composition containing an extract from microalgae of the Thraustochytrid family, and methods of preparation and use thereof.

Culture medium for cyanobacteria

Resumen de: PL449495A1

Przedmiotem zgłoszenia jest pożywka do hodowli sinic (Cyanobacteria). 1 litr (1) wytworu zawiera od 9 do 12 mg/l azotu całkowitego, od 1,3 do 2,2 mg/l NH4, od 7,5 do 10 mg/l NH2, od 13 do 23 mg/l P2O5, od 12 do 23 mg/l K2O5, od 1,5 do 3,5 mg/l MgO, od 12 do 40 mg/l SO3, od 0,25 do 1,75 mg/l B, od 0,09 do 0,21 mg/l Cu, od 0,09 do 0,16 mg/l Fe, od 0,025 do 0,225 mg/l Mn, od 0,035 do 0,32 mg/l Mo, od 0,13 do 1,1 mg/l Zn, które są rozpuszczone w wodzie destylowanej.

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

Resumen de: AU2024295226A1

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.

DEVICE AND PROCEDURE FOR ONLINE MEASUREMENT OF BIOMASS CONCENTRATION IN MICROALGAE CULTURES

Resumen de: EP4692297A2

The device comprises an absorbance sensor (3), which works with three wavelengths between 400 and 700 nm, intended to emit and collect light reflected from the culture (1), and a sampling pump (2) to the circulation of the culture (1) through the absorbance sensor (3). For its part, the procedure includes the steps of illuminating the culture (1) with light with three different wavelengths, between 400 and 700 nm, collecting a light reflected from the crop (1), and obtaining the RGB colour coordinates. of the reflected light, obtain the absorbance from the RGB coordinates, perform a regression with absorbance and reference concentration data, and obtain the biomass concentration in the culture (1).

METHOD TO IMPROVE THE BIOAVAILABILITY OF CAROTENOIDS IN MICROALGAE MATRICES (Machine-translation by Google Translate, not legally binding)

Resumen de: ES3055409A1

Method for improving the bioavailability of carotenoids in microalgae matrices. The present invention relates to a method for improving the bioavailability of carotenoids in microalgae matrices, as well as in food, cosmetic, or pharmaceutical compositions comprising such microalgae matrices. More specifically, the method of the invention comprises milling the microalgae matrix or applying ultrasound to the microalgae matrix. (Machine-translation by Google Translate, not legally binding)

Carotenoid production methods using raceway pond systems

Resumen de: GB2643103A

A method for producing a carotenoid, wherein the method comprises a first algal culture phase comprising culturing marine carotenoid-producing microalgae in a first series of connected raceway ponds arranged in stages and the algae are maintained in the exponential growth phase by successive dilution with seawater and nutrient addition. The second algal culture phase comprises culturing the algae in one or more induction raceway ponds that are connected to the first series of connected raceway ponds from the first stage, wherein the algae are cultured in shallower water than in the final raceway pond of the first series of connected raceways ponds and in the presence of a low concentration of nitrogen, thereby inducing the algae to increase carotenoid production. The harvest phase then comprises harvesting algae from one or more of the induction raceway ponds followed by an extraction phase comprising extracting the carotenoid from the algae. A method for producing lutein, zeaxanthin and violaxanthin is also disclosed.

AQYS21 Heterotrophic culture method of Asterarcys quadricellulare AQYS21 microalgae and use thereof

Resumen de: KR20260019117A

본 발명은 아스테라시스 쿼드리셀룰라레 AQYS21 (Asterarcys quadricellulare AQYS21) 미세조류의 종속영양 배양 방법, 및 이의 이용에 관한 것으로, 빛이 차단된 암배양 조건에서 아스테라시스 쿼드리셀룰라레 AQYS21 (Asterarcys quadricellulare AQYS21) 미세조류를 종속영양 배양할 수 있는 조건을 제공해고, 상기 종속영양 배양된 아스테라시스 쿼드리셀룰라레 AQYS21 (Asterarcys quadricellulare AQYS21) 미세조류의 광합성 색소, 영양성분의 변화를 분석한 후, 알테미아(Artemia franciscana) 유생의 생존율 및 성장을 향상시킴을 확인함으로써, 아스테라시스 쿼드리셀룰라레 AQYS21 (Asterarcys quadricellulare AQYS21) 미세조류의 종속영양 배양 방법 및 이를 통해 제조된 알테미아(Artemia franciscana) 유생 성장용 조성물을 제공한다.

METHOD FOR PRODUCING MICROALGAE CONCENTRATES WITH LOW VISCOSITY

Resumen de: US20260035654A1

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.

THIN-FILM PHOTOMICROBIAL BIOREACTOR SYSTEMS FOR THE PRODUCTION OF SECRETED CHEMICALS

Resumen de: WO2026030733A1

Provided herein are photobioreactor systems that facilitate the culture of thin films of phototrophic microorganisms to produce extracellular chemicals using sunlight and CO₂. These systems greatly reduce water and energy needs compared to traditional (e.g., suspension-based) methods employed in bioreactors. By immobilizing the microorganisms in a thin layer, these systems optimize light exposure and enable higher cell density and easier product separation, making the process more sustainable and cost-effective. These systems can be used to culture a variety of phototrophic microorganisms, including bacteria, cyanobacteria, algae, and fungi. These systems and methods can be used to produce a wide variety of important chemical products, including fuels, pharmaceuticals, and industrial chemicals including ammonia.

Method for purifying mariculture tail water by utilizing synergistic effect of microalgae

Resumen de: CN121426309A

The invention relates to a method for purifying mariculture tail water by utilizing the synergistic effect of microalgae, which specifically comprises the following steps: firstly, preparing microalgae, and enabling the microalgae to adapt to the environment through photoautotrophic conversion; secondly, carrying out salinity domestication on microalgae to obtain a microalgae culture solution; then, mixing the domesticated microalgae with mariculture tail water, and carrying out secondary domestication; then, the domesticated microalgae are inoculated into mariculture tail water, and the inoculation density is 1 * 10 < 5 >-10 < 6 > cells/mL; finally, in a culture tank or a reactor, full mixing of the microalgae and the tail water is promoted through stirring or gas stripping equipment, and purification is achieved. According to the method, the microalgae culture solution and the mariculture tail water are mixed, and the microalgae can absorb nutrient salts such as nitrogen and phosphorus in the tail water, so that the eutrophication phenomenon of the water body is effectively reduced. According to the method, harmful substances in the water body are reduced, and the pollution risk caused by tail water discharge to the environment is also reduced.

Device for refitting closed container into high-density cell bioreactor

Resumen de: CN223852610U

The utility model discloses a device for refitting a closed container into a high-density cell bioreactor, and relates to the technical field of water body ecological restoration. The device comprises a permeation part, a filtering part and a fixing part which are detachably connected, the permeation part comprises a semi-permeable membrane fixing disc and a first connecting part which are of an integrated structure, the semi-permeable membrane fixing disc is arranged in a closed container, and the first connecting part is connected with the fixing part and the filtering part outside the closed container through a through hole of the closed container. According to the device for refitting the closed container into the high-density cell bioreactor disclosed by the utility model, the closed container has a high-density cell culture function by arranging the filtering and permeation-permitting additional component in the closed container; the problems that an existing traditional microalgae culture device is poor in adaptability, and the algal bloom treatment technology is high in cost, low in efficiency, high in energy consumption and the like can be solved.

MICROALGAE CULTIVATION PHOTOBIOREACTOR WITH THE ABILITY TO CLASSIFY THE CULTIVATED ALGAE AND REFINE THE FINAL PRODUCT FOR USE IN ANIMAL AND POULTRY FOOD COMPOUNDS AND HUMAN FOOD ADDITIVES

Resumen de: US20260028564A1

The present invention relates to a photobioreactor designed for the cultivation of microalgae, specifically the microalga Chlorella, with applications in animal and poultry feed as well as human food additives. This invention falls within the fields of microbiology, food preparation, human and animal nutrition, and agricultural industry practices. The photobioreactor is engineered to enable cost-effective mass production of microalgae by incorporating systems for injecting micronutrients into the culture medium. Additionally, the invention includes a classification system for sorting the produced microalgae and a refinement process for preparing the classified microalgae as a final product suitable for use in various nutritional compounds.

Aquaculture wastewater treatment system with phycomycete wind screen biofilm

Resumen de: CN223837191U

The utility model relates to a phycomycete wind screen biological membrane aquaculture wastewater treatment system which consists of a purification device, a collection device, a spraying device and a circulating device, wherein the purification device consists of a supporting steel frame, a microalgae biological membrane, a first biological filter bed and a second biological filter bed; the collecting device is composed of a first collecting pool and a second collecting pool; the spraying device is composed of a first spraying piece and a second spraying piece. Through the combined action of the biological filter bed, the microalgae biological membrane, the collecting pool and the like, the aquaculture wastewater treatment effect can be improved, low-cost microalgae cell harvesting can be carried out, and the problems that in a traditional aquaculture wastewater treatment technology, the process is complex, the nitrogen and phosphorus pollutant removal efficiency is low, and microalgae cells are difficult to harvest in wastewater treatment are solved; meanwhile, after absorbing nitrogen and phosphorus, the microalgae are converted into high-added-value biomass rich in protein and the like to serve as aquatic feed and bio-fertilizer, so that the economic benefit is increased, and resource recycling of the aquaculture wastewater is fully realized.

Microalgae continuous harvesting system device

Resumen de: CN223837417U

The utility model discloses a continuous microalgae harvesting system device which comprises a disc centrifuge and a shaft type filter device, the disc centrifuge comprises an algae liquid inlet, a nutrient solution primary liquid outlet and an algae slurry outlet; the shaft type filtering device comprises an algae slurry inlet, a shaft type filter, a compressed air forward blowing port, a nutrient solution secondary drainage port, a compressed air reverse blowing port, a bottom collecting port and a bin gate; an algae slurry outlet of the disc centrifuge is connected and communicated with an algae slurry inlet of the shaft type filtering device through a pipeline; the shaft type filter is communicated with an external nutrient solution storage tank through a nutrient solution secondary liquid outlet; the compressed air back-flushing opening is communicated with the shaft type filter through the nutrient solution secondary drainage opening; the compressed air positive blowing opening is communicated with the interior of the shaft type filtering device; and a bottom collecting opening and a bin gate are arranged at the bottom of the shaft type filtering device. The water content of the material finally treated by the system device disclosed by the utility model is very low, and when the material is dried, the consumed energy consumption is low, the waste of water resources is small, and the hardware investment cost is low.

Carbon source supply device for microalgae culture

Resumen de: CN223837400U

The utility model discloses a carbon source supply device for microalgae culture. The carbon source supply device comprises a high-speed motor, a motor connecting seat, a magnetic coupling motor disc, a shaft end locking nut, an isolation sleeve, a magnetic linkage coupling device disc, a magnetic linkage coupling device disc connecting key, a feeding disc, a rotating disc connecting key, a rotating disc locking nut, a fixed disc, a movable disc, a device barrel, a discharging disc and a rotating shaft, according to the device disclosed by the utility model, carbon dioxide gas and water are simultaneously introduced, gas-liquid mass transfer is enhanced in the device, an atomized state is formed, and then the carbon dioxide gas is introduced into a culture water body, so that the mass transfer effect of the carbon dioxide gas and microalgae in the water body is effectively improved, the escape rate of the carbon dioxide gas is reduced, and the utilization rate of the carbon dioxide gas is up to more than 95%; meanwhile, the air source operation cost of large-scale breeding is greatly reduced, and the air source operation cost is reduced by more than 50% on the basis of an original breeding mode.

2- A strain of the genus Nostoc a terrestrial cyanobacterium producing 2-methylisoborneol and cultivation method thereof

Resumen de: WO2026018968A1

The present invention relates to: a Nostoc sp. strain of cyanobacteria that produces 2-methylisoborneol; and a method for culturing same. The Nostoc sp. strain according to the present invention is the first ever Nostoc sp. strain that produces 2-methylisoborneol, and considering the positive effect that 2-methylisoborneol has on the human body and the fact that 2-methylisoborneol is also used as a raw material for perfume, the HNIBRCY4 strain, which is an edible Nostoc sp. strain capable of being mass-produced, can be effectively used to produce 2-methylisoborneol.

Microalgae low-cost culture and tail water ecological cycle treatment system

Resumen de: CN121377430A

The invention discloses a microalgae low-cost cultivation and tail water ecological circulation treatment system, cultivation tail water is connected with a disc centrifuge through a pipeline after sequentially passing through a tail water adjusting tank, a microstrainer, an ozone disinfection cabinet and microalgae cultivation equipment, and the disc centrifuge is connected with a fresh algae tank through a pipeline; the disc centrifuge conveys the breeding wastewater to a water distribution channel in the multi-stage ecological purification-resource coupling system through another pipeline, the water distribution channel is sequentially connected with a hydroponic vegetable area, an emergent aquatic plant area and a submerged plant area, and the submerged plant area returns and conveys effluent to a tail water adjusting tank through a pipeline; and tail water circulation is realized. And the purified water can be reused in a microalgae culture link, so that a closed-loop circulation of aquaculture tail water-microalgae production-purification-reclaimed water reuse is formed, and the consumption of fresh water resources is greatly reduced. By integrating hydroponic vegetable planting and fish and shrimp breeding, an ecological chain of resource recycling is formed, and bidirectional extension of the added value of products is achieved.

Method for treating coking wastewater and synchronously producing fat by utilizing microalgae

Nº publicación: CN121377346A 23/01/2026

Solicitante:

HENAN NORMAL UNIV
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Resumen de: CN121377346A

The invention discloses a method for treating coking wastewater and synchronously producing grease by utilizing microalgae, which comprises the following specific processes: inoculating a microalgae Parachlorella kessleri FACHB-4 seed solution into coking wastewater with a specific dilution ratio, culturing to a logarithmic phase, then centrifugally collecting algae cells, then freeze-drying the algae cells, and then extracting grease; the chromaticity range of the coking wastewater is 300-400 Hazen, the COD range is 1200-1500 mg L <-1 >, the TP range is 7-8 mg L <-1 >, the NH3-N range is 500-700 mg L <-1 >, the dilution ratio of the coking wastewater is 50%-70%, and the culture conditions are as follows: the pH is 6.8-7.0, the culture temperature is 24-26 DEG C, the illumination intensity is 3500-4000 lux, the light-dark ratio is 12 h: 12 h, and the rotating speed of a shaking table is 140-160 r/min. The method provided by the invention can improve the water quality of coking wastewater and obtain grease for biological energy production at the same time.