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191
results.
Updated on
20/08/2026 [07:47:00]
Results 100 to 125 of 191
Absstract of: CN122139535A
The invention relates to a method for increasing the carbon and nitrogen content and the aggregate content of newly cultivated land soil by utilizing microalgae. The method comprises the step of applying a mixed algae solution of chlorella and nitrogen-fixing anabaena into the soil. In order to solve the problems of low carbon and nitrogen content and low productivity of newly cultivated land soil, chlorella and nitrogen-fixing anabaena are utilized to synergistically and efficiently fix carbon dioxide in the atmosphere, the carbon dioxide is converted into organic carbon to be stored in the soil, and meanwhile nitrogen in the air is converted into nitrogen available for plants through the biological nitrogen fixation effect, so that the nitrogen content of the cultivated land is increased, and the yield of the cultivated land is increased. Therefore, the carbon and nitrogen immobilization capability of the soil is effectively improved. In addition, the physiological activities of the two microalgae can also synergistically promote the formation of soil aggregates, improve the soil structure and enhance the water and fertilizer retention capability of the soil.
Absstract of: CN122144929A
The invention provides an internal light source coupled nano-micro carbon supply enhanced microalgae plastic removal and carbon sequestration system and method. The system comprises a light enhancement module, a nano-micro gas oscillation carbon supply module, a photobioreactor main body and an algal plastic harvesting and recycling module, the light intensification module, the nano-micro gas oscillation carbon supply module and the algal plastic harvesting and recycling module are respectively connected with the photobioreactor main body; the light intensification module is used for adding carbon quantum dots and plant hormone IAA into the photobioreactor main body, and is matched with illumination to realize composite illumination; the nano-micro gas oscillation carbon supply module is used for conveying micro-nano dispersed CO2 into the photobioreactor main body, and meanwhile, micro-plastics in a water body are deagglomerated; and the algal plastic harvesting and recycling module is used for harvesting and treating a microalgae mixture adsorbing the microplastics in the photobioreactor main body and realizing resource utilization. The invention aims to realize efficient removal of micro-plastics, efficient fixation of CO2 and resource utilization of biomass.
Absstract of: CN224325318U
The utility model discloses a fan-shaped periphytic microalgae culture device, which belongs to the technical field of microalgae culture and comprises a culture box, a plurality of periphytic microalgae culture plates distributed in a fan-shaped array are arranged in the middle of the inner bottom of the culture box, and a plurality of culture light sources are arranged on the side wall of one side of the culture box at equal intervals. According to the fan-shaped culture device for the periphytic microalgae, the technical bottlenecks of low culture efficiency, high harvesting cost, difficulty in scale amplification and the like in the industrialization process of the periphytic microalgae are effectively solved.
Absstract of: KR20260083143A
본 발명은 루비듐 클로라이드를 포함하는 미세조류 배양용 조성물 및 이를 이용한 카로티노이드 생산 방법에 관한 것이다. 구체적으로, 본 발명의 조성물 및 생산 방법을 활용하는 경우 루비듐 클로라이드(RbCl)를 저농도로 처리하였을 때 미세조류의 성장에는 영향을 미치지 않으면서도 카로티노이드의 생산량을 유의미하게 증가시킬 수 있으므로, 본 발명은 낮은 농도에서도 효율적인 색소 생산할 수 있는 신규한 미세조류 배양 기술을 제공한다.
Absstract of: CN122150217A
The invention discloses a phaeodactylum tricornutum mutant strain with high yield of fucoxanthin and/or EPA as well as a breeding method and application of the phaeodactylum tricornutum mutant strain. According to the invention, two mutant strains are screened by adopting a normal-pressure room-temperature plasma (ARTP) mutagenesis technology in combination with a high-throughput flow Raman spectroscopy analysis method and the like, are respectively named as phaeodactylum tricornutum X7 and X20, are preserved in Guangdong Microbial Culture Collection Center on the fifth floor, No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou City on January 13, 2026, and have the preservation numbers of GDMCC No: 67643 and GDMCC No: 67644. The fucoxanthin and eicosapentaenoic acid (EPA) synthesis capability of the mutant strain is outstanding, and a core germplasm resource can be provided for large-scale and low-cost microalgae manufacturing of the fucoxanthin and the EPA.
Absstract of: WO2026117091A1
A disclosed centrifugal-type automatic microalgae harvesting device comprises: a centrifugal separation chamber for temporarily storing a culture medium in which microalgae supplied from a main incubator or sub-incubators are cultured; a harvesting motor for providing, into the centrifugal separation chamber, a centrifugal force that allows high-speed rotation required for harvesting the microalgae; and a harvesting drum which is provided inside the centrifugal separation chamber so as to receive, therein, the culture medium in which the microalgae are cultured, and which receives the centrifugal force from the harvesting motor so as to separate the microalgae from the culture medium such that the microalgae are collected and harvested.
Absstract of: WO2026117033A1
The disclosed continuous expansion-type microalgae cultivation apparatus comprises: a main cultivator for receiving water from the outside through a first pipeline, adding nutrients to the water to form a medium, and inoculating the medium with microalgae to cultivate the microalgae; a sub-cultivator for receiving, from the main cultivator, the medium inoculated with the microalgae and allowing expansion of cultivation of the microalgae; and a harvester for selectively receiving, from the main cultivator and the sub-cultivator, the medium in which cultivation of the microalgae is completed, to separate the microalgae from a filtrate, thereby harvesting the microalgae.
Absstract of: 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.
Absstract of: CN224313527U
The utility model discloses a three-runner runway type open pool for microalgae culture. The three-runner runway type open pool comprises an open pool body, two flow separation walls which are arranged side by side are arranged in the open pool body, the space in the open pool body is divided into three side-by-side flow channels by the flow separation walls, and the three side-by-side flow channels are two side flow channels and a middle flow channel respectively; the two ends of every two adjacent flow channels communicate with each other. And a stirring paddle for driving the microalgae culture solution to flow is arranged at one end of the middle flow channel. According to the utility model, the traditional two flow channels of a runway type open pool are improved into three flow channels, so that the flow rate of microalgae culture solution can be effectively increased, a mixed dead zone is reduced, microalgae deposition is prevented, the fester rate is reduced, and the microalgae culture efficiency is improved. The device is particularly suitable for large-scale runway type open pools, and energy consumption at the same flow speed is reduced.
Absstract of: CN224313528U
The utility model relates to the technical field of microalgae cultivation, and discloses a pipeline microalgae cultivation device which comprises a bearing table and a hydraulic cylinder, the side face of the hydraulic cylinder is fixedly connected with a meshing rack, and the top of the meshing rack is meshed with a meshing half gear. According to the pipeline microalgae culture device, a connecting table fixedly connected with a connecting seat at the top of an engaged half gear controls a pipeline culture tank welded in a butt joint table to incline leftwards through a second bolt, and then microalgae and a culture solution in the pipeline culture tank can be rapidly poured out; meanwhile, an auxiliary friction rod is used for increasing the contact friction force with a meshing rack, so that the stability of angle inclination during meshing and driving of the meshing rack and a meshing half gear in the driving process is ensured, and the limitation that internal microalgae and culture solution can be poured out only through cooperation of multiple persons in the whole operation process is avoided; and in the pouring-out process, the leakage condition caused by slipping out of the hand can be avoided, and operation is more convenient and stable.
Absstract of: CN224313348U
The utility model relates to a particle microalgae multistage sewage treatment device which comprises a sedimentation tank, a lifting pump, a pipeline and a microalgae reaction tank, and is characterized in that the microalgae reaction tank comprises a reaction tank A, a reaction tank B and a reaction tank C which are vertically connected in series through a communicating pipeline and are provided with microalgae; the upper part of the sedimentation tank is connected with an upper water inlet of the reaction tank A through a lifting pipeline, the lifting pipeline is fixedly connected with a lifting pump, water inlets and water outlets of the reaction tank A, the reaction tank B and the reaction tank C are connected with a communicating pipeline through flanges, and gaskets between the flanges are sieve plate type gaskets. According to the device, under the action of illumination, nitrogen and phosphorus removal of sewage is realized through the reproduction of microalgae, and effluent treated by the three microalgae reaction tanks is discharged through a pipeline. By means of the design, efficient purification of rural sewage is achieved, meanwhile, energy consumption is reduced, the structure is simple, a compact integrated system is adopted, and the occupied area and construction cost are saved.
Absstract of: CN122128157A
The invention discloses a method for culturing dicystis, a method for extracting active components of the dicystis and an application of an extract of the dicystis in cosmetics, and belongs to the field of marine microalgae cosmetics. The dicystis sp. MH1 is derived from the intertidal zone of the South China Sea, and the preservation number of the dicystis sp. MH1 is CCTCC (China Center for Type Culture Collection) NO: M 2026091. Experiments prove that an aqueous extract, an alcohol extract and an ester extract of the dicystis all have obvious anti-oxidation, whitening, anti-inflammatory and sunscreen effects, and are suitable for preparing cosmetics with four effects of anti-oxidation, whitening, sunscreen and anti-inflammatory. The algal strain is high in culture efficiency, simple and convenient in extraction process and rich in active ingredients, a new way is provided for developing natural and multi-effect cosmetic raw materials, and the application prospect is wide.
Absstract of: CN122123448A
The invention relates to the field of feeds, and particularly discloses a preparation method of a selenium-strontium-enriched amino acid chelated feed. Comprising the following steps: S1, inoculating activated microalgae species and yeast species into a culture medium added with a selenium compound and a strontium compound, controlling the pH value of the culture medium to be 6.5-7.5 and the culture temperature to be 25-35 DEG C, and culturing for 5-7 days under the conditions of light and gas transmission; s2, harvesting through a flocculating agent to obtain selenium/strontium-enriched algae biomass, carrying out ultrasonic treatment on the selenium/strontium-enriched algae biomass for 10-20 minutes, then adding soybean meal and rape seed cakes into the selenium/strontium-enriched algae biomass, and stirring; s3, cellulase, papain, alkaline protease and pectinase are added for enzymolysis, and the selenium/strontium-enriched amino acid fermentation product is obtained. According to the amino acid chelate feed rich in selenium and strontium and the preparation method of the amino acid chelate feed, the intestinal health of animals can be improved, and the absorption and utilization rate of the animals to nutrient substances and the immunity of the animals are improved.
Absstract of: CN122096294A
The invention discloses nano-emulsion compound grease and application thereof in increasing the content of polyunsaturated fatty acid, and belongs to the technical field of aquatic animal feed. The nanoemulsion compound grease is prepared by mixing a grease composition and a stabilizer and homogenizing at high pressure, the grease composition comprises the following components in percentage by mass: 20% of flaxseed oil, 10% of rapeseed oil, 10% of coconut oil, 10% of palm oil, 10% of phosphatide oil, 25% of tilapia fish oil and 15% of microalgae oil, the stabilizer is composed of polyglycerol polyricinoleate and octenyl succinic acid modified starch, and the addition amount of the stabilizer is 1.0-2.0% of the total mass of the grease composition. The nanoemulsion compound grease can promote the growth of shrimps, improve the anti-oxidative stress capability and promote fatty acid balance, and a new solution is provided for reducing the occurrence of fat metabolism diseases of the shrimps, reducing the anti-oxidative stress capability and solving the problem that the water quality is deteriorated due to the low utilization rate of grease feed.
Absstract of: CN122104815A
The invention discloses a method for preparing calcium carbonate microcrystals through carbonic anhydrase-regulated microalgae mineralization, the calcium carbonate microcrystals and application of the calcium carbonate microcrystals. The method comprises the following steps: S1, microalgae culture and grease accumulation: carrying out multiplication culture on gloeococcus mucilaginosus to enable algae cells to reach a logarithmic end phase or a stable phase; then carrying out nitrogen limitation or nitrogen starvation induction culture to accumulate grease of the algae; s2, mineralization induction culture: transferring the algae liquid into a mineralization culture medium, adding carbonic anhydrase, and culturing for 5-48 hours; the mineralization culture medium contains Ca < 2 + > and HCO3 <->; s3, microcrystal collection: harvesting the algae subjected to mineralization induction culture, and separating microcrystals to obtain calcium carbonate microcrystals. The calcium carbonate microcrystal obtained by the method can be quickly converted into carbonic acid doped hydroxyapatite, and is further applied to 3D printing medical materials. The method is combined with a microalgae low-nitrogen induction process, and co-production of a biomineralization material and high-fat algae powder can be realized.
Absstract of: CN122104390A
The invention belongs to the technical field of microalgae concentration, and discloses a microalgae circulating precipitation concentration harvesting device and a harvesting method.The microalgae circulating precipitation concentration harvesting device comprises a shading circulating precipitation concentration barrel, a liquid outlet pipe is communicated with one side wall of the top of the circulating precipitation concentration barrel, and a liquid inlet pipe is communicated with one side wall of the circulating precipitation concentration barrel; the liquid inlet pipe is positioned below the liquid outlet pipe on the circulating precipitation concentration barrel; the exterior of the liquid inlet pipe is communicated with a power pump, and the water inlet end of the power pump is communicated with an external algae liquid culture device through a pipeline. The liquid inlet flow is controlled by adjusting the power pump, so that the rising speed of the liquid level in the circulating precipitation concentration barrel is smaller than the dark precipitation speed of algae cells, the algae cells can be gradually precipitated and concentrated at the conical bottom of the circulating precipitation concentration barrel in the circulation process of the algae liquid, and the concentrated algae liquid can be collected through the sampling pipe at the bottom of the circulating precipitation concentration barrel. According to the invention, the purposes of continuous circulating
Absstract of: CN122096291A
The invention discloses application of pyrroloquinoline quinone (PQQ) or derivatives thereof in preparation of products for relieving or preventing and treating cyanobacteria toxin poisoning of pelteobagrus fulvidraco, and belongs to the technical field of aquatic animal feed. The PQQ or the derivative thereof can be used as a feed additive or medicine for aquatic products, is added and fed according to 3-6mg/kg of feed, and effectively relieves the pathological liver injury, caused by cyanobacteria toxin, of the pelteobagrus fulvidraco through various ways of improving the activity of liver function key enzymes, inhibiting liver oxidative stress, relieving inflammatory response, relieving structural tissue injury and the like. As a new food raw material approved in China in 2022, the PQQ has the advantages of high safety, good water solubility, moderate cost, similar feed vitamin dosage and the like, provides a safe, economic and convenient-to-apply novel nutrition intervention strategy for blue-green algae toxin poisoning of the pelteobagrus fulvidraco, and has a wide industrial application prospect.
Absstract of: CN122104499A
The invention discloses a method for culturing and harvesting nematonema and application of the nematonema in brackish water desalination, and belongs to the technical field of water treatment. The nodosilineasp. MH-2 is derived from the intertidal zone of the South China Sea, and the preservation number of the nodosilineasp. MH-2 is CCTCC (China Center for Type Culture Collection) NO: M 2026092. The Tinonematode MH-2 is put into the brackish water to be cultured, so that the salinity of the brackish water can be effectively reduced. The connezozoa is fast in growth and has high salinity and temperature adaptability, the industrial bottleneck that microalgae are difficult to harvest is well solved through the biological membrane form of the connezozoa, and the connezozoa has unique advantages in the field of water treatment. The method is easy to operate, low in cost and environmentally friendly, the salinity of brackish water with different salinity can be efficiently and stably reduced, algae-water separation can be easily achieved after treatment, the harvested nematonema has high-value utilization potential, and a brand-new green solution is provided for brackish water resource utilization.
Absstract of: CN122104493A
The invention relates to the technical field of coral symbiotic cyanobacteria and cyanobacteria application, and particularly discloses a coral-derived cyanobacteria, an agricultural preparation, application and a method for improving coral heat tolerance, the coral-derived cyanobacteria GXU02 is classified and named as Synecococcus sp., the preservation number is CCTCC NO: M 2026250, and the preservation unit is China Center for Type Culture Collection. The cyanobacteria is separated from the cruciate peony coral, the cyanobacteria provides a good research material for researching the function of the marine cyanobacteria and the symbiotic relationship between the cyanobacteria and the coral, and meanwhile, the cyanobacteria has application potential in the aspects of research and development of preparations for promoting growth of crops, resisting stress and the like, artificial modification of the coral, restoration of a coral reef ecosystem and the like. The blue-green algae can promote plant growth, improve stress resistance and the like; by inoculating the blue-green algae, the heat tolerance of the coral can be improved, the heat whitening crisis of the coral can be effectively relieved, and a new thought and a new method based on symbiotic body recombination are developed for cultivation of heat-resistant seedlings used for coral reef ecological restoration.
Absstract of: CN122096025A
The invention discloses a method for cooperatively fattening oysters by utilizing compound microalgae and lactic acid bacteria. The method comprises the following steps: temporarily culturing the oysters; the method comprises the following steps: selecting chlorella vulgaris, Platymonas Qingdao, skeletonema costatum and Chaetoceros mulleri as composite microalgae, and carrying out expanding culture on each microalgae in an f/2 culture medium to a logarithmic phase; lactobacillus plantarum is used as a probiotic agent, and activation and amplification culture are carried out; then collecting and concentrating the thalli; preparing a bacterial suspension for later use; mixing the composite microalgae liquid and the lactobacillus plantarum suspension in a fermentation container, and fermenting in a standing manner; and then feeding the fermented mixed liquid twice a day, taking out the oysters, and finishing fattening. According to the method, through the synergistic effect of the microalgae and the lactic acid bacteria, the fatness, the protein content, the total sugar content, the triglyceride content and the unsaturated fatty acid content of the oysters can be remarkably improved, meanwhile, the fattening cost is effectively reduced, the weight increment of the oysters can be accelerated, the meat yield can be increased, the aquatic water can be purified through the metabolic activity of the microalgae, and nitrogen and phosphorus accumulation in the water can be reduced.
Absstract of: HUP2400501A1
The subject of the invention is a unicellular microalgal culture for use against fire blight or tomato, tobacco, pepper and potato rot. The invention also relates to the use of an organic solvent extract of the algal culture containing PUFA fatty acids.
Absstract of: 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.
Absstract of: CN122079378A
The invention provides a device and a method for recovering nitrous oxide from high-ammonia-nitrogen wastewater by utilizing a phycomycete symbiosis technology. The device provided by the invention comprises an aerobic reaction unit and an anoxic reaction unit, a first water outlet of the aerobic reaction unit is communicated with a water inlet of the anoxic reaction unit, and a univalent anion exchange membrane is arranged at the communication part; the aerobic reaction unit is communicated with the first gas collection unit through a first gas output port, and the anoxic reaction unit is communicated with the second gas collection unit through a second gas output port and is used for recycling nitrous oxide generated by the aerobic reaction unit and the anoxic reaction unit. The aerobic reaction unit is inoculated with the algal-bacterial symbiotic sludge for realizing short-cut nitrification, the aeration energy consumption of short-cut nitrification is effectively reduced through microalgae photosynthesis, nitrous oxide in the aerobic reaction unit is recovered, the denitrification load of the anoxic reaction unit is reduced, the denitrification conversion rate is increased, and the operation cost is reduced; and the design concept of high efficiency, low carbon and environmental protection is embodied.
Absstract of: CN122080111A
The invention belongs to the technical field of microalgae protein extraction, and relates to an efficient chlorella protein extraction and preparation method based on a deep eutectic solvent DES, which comprises the following steps: (1) mixing chlorella powder, a DES hydrogen bond acceptor and water, and carrying out ultrasonic-assisted extraction, centrifugation and filtration to obtain an extracting solution; (2) adding a precipitant into the extracting solution for precipitation; and (3) purifying and freeze-drying the precipitate to obtain the chlorella protein. According to the method, the cell walls of the chlorella are efficiently destroyed based on a DES system in combination with ultrasonic energy, protein dissolution is promoted, the extraction rate of the chlorella protein is increased, and the extraction rate of the chlorella protein is further increased by selecting a DES hydrogen bond receptor and optimizing the ratio of DES to chlorella powder, the material-liquid ratio, the ultrasonic intensity and the time; the method is mild in process, simple to operate, recyclable in solvent, environment-friendly and suitable for large-scale production; the extracted protein keeps natural conformation and activity, and is suitable for development of high value-added products.
Nº publicación: CN122079359A 26/05/2026
Applicant:
ANHUI SURVEY & DESIGN INST OF WATER RESOURCES & HYDROPOWER CO LTD
TONGJI UNIV
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Absstract of: CN122079359A
The invention provides a multi-pond constructed wetland system construction method based on rhizosphere synergistic symbiosis and application thereof, and relates to the technical field of ecological environment remediation, and the method specifically comprises the following steps: respectively preparing an engineering algal strain A with laccase displayed on the surface and an engineering algal strain B with non-specific nuclease displayed on the surface; mixing the two according to a ratio to prepare a composite microalgae microbial inoculum; inoculating the prepared composite microalgae fungicide into a shallow pond at the front end of a wetland to construct a photocatalytic microalgae pretreatment unit; submerged plants are planted in symbiotic ponds which are arranged in series after pretreatment units, and bacterial laccase and non-specific nuclease are anchored on the cell surfaces of different synechococcus by adopting a multi-pond artificial wetland system construction method for rhizosphere synergetic symbiotic and utilizing a synthetic biology surface display technology, so that the synechococcus can be rapidly and efficiently constructed. The problems that the matrix adsorbs phosphorus and is easy to saturate and short in service life due to insufficient carbon source when the existing constructed wetland is used for treating tail water of a sewage plant are solved, and the defects of the existing single ecological restoration technology are overcome.
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