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149
resultados
Última actualización
18/06/2025 [07:53:00]
Resultados 100 a 125 de 149
Resumen de: CN119569238A
The invention discloses a method for enhancing the sewage carbon sequestration performance of a bacterium-algae system, and belongs to the technical field of sewage treatment pollution reduction and carbon reduction. According to the invention, the hydrogen production type composite photocatalytic material is used as a biological carrier for treating sewage by a bacteria-algae symbiotic system, so that the problem that microalgae are subjected to light inhibition under sunlight is effectively solved on the basis of ensuring the sewage treatment effect, thereby remarkably improving the light energy conversion efficiency of the microalgae and reducing the energy consumption of the microalgae. The efficient carbon sequestration of the sewage treated by the bacteria-algae symbiotic system is realized, and meanwhile, the hydrogen generated by the method can be recycled as energy gas, so that multiple effects are achieved. The method is helpful for promoting pollution reduction, carbon reduction and resource utilization of sewage treatment, and has a good application prospect.
Resumen de: CN222574660U
A microalgae harvesting device based on algal-bacterial symbiosis comprises a reaction barrel (3), a first culture barrel (4), a second culture barrel (5), a mounting seat (1) and a valve (2). The reaction barrel, the first culture barrel and the second culture barrel are mounted on a circular mounting seat in a triangular shape; a valve is arranged on the base between every two barrels, and the valves are respectively connected with the lower parts of the two adjacent barrels through pipelines; a mounting cover (7) is arranged at the upper part of each barrel, a driving assembly (8) is mounted on each mounting cover, and the driving assemblies are connected with the stirrers in the barrels. The device disclosed by the utility model is relatively high in overall integration, the overall occupied space of the device is reduced, an operator can place the device conveniently during use, in the specific operation process, the product conveying time can be shortened, unnecessary loss is avoided, the product is conveyed by adopting an independent pipeline, and the doping problem caused by circulating conveying of the same pipeline can be avoided.
Resumen de: CN222574616U
The photobioreactor comprises a bottom plate, a bottom cover is arranged on the bottom plate, a top cover is arranged on the upper side of the bottom cover, a culture cylinder is arranged between the bottom cover and the top cover, installation assemblies are arranged at the upper end and the lower end of the outer side wall of the culture cylinder, lamp tubes are arranged on the two sides of the culture cylinder, and the lamp tubes are connected with the bottom cover. The lamp tube is arranged between the two mounting assemblies, each mounting assembly comprises a mounting ring, the lamp tube is mounted between the two mounting assemblies, so that the lamp tube can rotate at a constant speed on the outer side of the culture cylinder, light emitted by the lamp tube is swept through the side face of the culture cylinder at a constant speed, a light source is prevented from stopping on one side of the culture cylinder for a long time, and the culture cylinder is prevented from being damaged. The microalgae are massively gathered on one side, close to the lamp tube, in the reactor to form shielding, so that the condition that the growth of part of the microalgae is blocked due to non-uniform growth of the microalgae in the reactor is prevented.
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.
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.
Resumen de: WO2025047986A1
This greenhouse gas production inhibitor contains microalgae belonging to the genus Coccomyxa.
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.
Resumen de: CN119551757A
The invention discloses a water intake local water area dispersive cyanobacterial bloom control method, which comprises the following steps: 1, arranging a flow guide enclosure and arranging a gas stripping flow making structure, 2, preparing nano titanium dioxide powder and preparing the nano titanium dioxide powder into spraying slurry, 3, coating a sunshade net with the spraying slurry to prepare a photocatalytic sunshade net, and 4, carrying out water intake local water area dispersive cyanobacterial bloom control on the photocatalytic sunshade net. 4, a photocatalytic sunshade net is arranged, and floating plants are planted; the flow guide enclosure is arranged to be matched with the gas stripping flow making structure, surface water in the control area can be conveyed out of the area through the gas stripping flow making structure while blue-green algae in the upper layer in the external area are prevented from entering, the fluidity of surface water in the area is improved, and therefore formation of blue-green algae bloom is avoided; meanwhile, a sunshade net coated with titanium dioxide is arranged in the region, so that blue-green algae and metabolites thereof are oxidized and decomposed by utilizing photocatalysis while the photosynthesis of the algae is reduced by shading, and the water quality is further purified.
Resumen de: CN222556775U
The sludge treatment equipment comprises a pyrolysis outer furnace, a pyrolysis inner furnace is fixedly arranged at the top of the inner wall of the pyrolysis outer furnace, a mixing mechanism used for increasing the flowability of pyrolysis sludge containing greasy dirt is fixedly installed on the pyrolysis inner furnace, a spraying and burning frame is fixedly arranged at the bottom of the pyrolysis inner furnace, and the spraying and burning frame is fixedly connected with the pyrolysis inner furnace. According to the sludge treatment equipment based on blending and co-heating of the oily sludge and the microalgae, the sludge is co-heated by utilizing the microalgae cultured by sewage and the oily sludge, the idea of biological carbon sequestration is utilized, and the sludge treatment efficiency is improved. The tail gas generated by the pyrolysis reaction is introduced into the microalgae bioreactor, CO2 in the tail gas is treated, low-carbon emission is achieved, meanwhile, sludge and sewage are subjected to cooperative treatment, and co-heating of microalgae and oily sludge can effectively reduce reaction activation energy, reduce pyrolysis energy consumption and improve the resource recovery rate.
Resumen de: CN119552033A
The invention provides a microalgae biological synergist as well as a preparation method and application thereof, and belongs to the technical field of soil improvement and crop planting. The microalgae biological synergist is prepared from the following raw materials in percentage by weight: 35 to 50 percent of microalgae concentrated solution, 35 to 50 percent of liquid mineral source potassium fulvate and 15 to 30 percent of powdery bacteria, the microalgae are chlorella sorokiniana, and the cell density of the microalgae is (2.5 to 3.5) * 10 < 7 > cells/mL; the powdery bacterium is a composite functional flora composed of bacillus polymyxa, bacillus subtilis, bacillus cereus and bacillus licheniformis, and the effective viable count is greater than or equal to 2.0 billion/g. The biological synergist provided by the invention can effectively improve soil, and can greatly improve the drought resistance, water and fertilizer utilization efficiency, yield, quality and the like of crops.
Resumen de: CN119547900A
The invention provides a marine microalgae composition for preventing and/or improving acute stomach injury, a special diet, a preparation method and application, and relates to the technical field of traditional Chinese medicines. Comprising 20 to 26 parts of wheat oligopeptide, 15 to 24 parts of microalgae, 5 to 10 parts of dandelion, 4 to 8 parts of Chinese yam, 1 to 5 parts of orange peel, 2 to 4 parts of jujube, 0.5 to 1.5 parts of white hyacinth bean, 1 to 2 parts of hawthorn, 0.5 to 2 parts of poria cocos, 0.4 to 1.2 parts of endothelium corneum gigeriae galli, 0.3 to 0.8 part of malt, 1 to 2 parts of liquorice, 0.2 to 0.6 part of radish seed, 0.5 to 1.5 parts of ginger, 5 to 8 parts of ginseng and 0.4 to 2 parts of raspberry. Microalgae, dandelion, Chinese yam, orange peel, jujube, white hyacinth bean, hawthorn, poria cocos, endothelium corneum gigeriae galli, malt, liquorice, semen raphani, ginger and ginseng are used as auxiliary materials and are matched and interacted with wheat oligopeptide, so that the acute stomach injury is prevented and/or improved. All the components are both food and medicine, and homology of medicine and food is achieved.
Resumen de: TW202508460A
The present disclosure relates to a feed composition for eels comprising biomass derived from Schizochytrium sp. microalgae, and a method of aquaculture of eels using the same. When the feed composition for eels comprising biomass derived from Schizochytrium sp. microalgae of the present disclosure is fed to eels, the growth of the eels is promoted, and therefore, it may be usefully used as a feed composition or feed additive for eels.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Nº publicación: CN119506138A 25/02/2025
Solicitante:
NANYANG INSTITUTE OF TECH
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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.
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