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176
resultados
Última actualización
27/09/2024 [10:09:00]
Resultados 50 a 75 de 176
Resumen de: WO2024152103A1
Microalgae are grown in a biofilm on carriers. In some examples, the carriers are surfaces with a small angle to the vertical. Optionally, the carriers may have surfaces on both sides of a vertical plane (e.g., an inverted V) or surrounding a vertical axis (e.g., a cone). In some examples, the carriers include two or more sheets of a porous material such as a fabric, screen or mesh. In some examples a surface of the carrier is flexible. In some examples, the carriers provide a specific surface area for algae growth greater than 7 m2/m2.
Resumen de: US2024246844A1
A biological desalination process to remove salt from seawater using naturally grown algae or cyanobacteria in an attached growth photobioreactor setup. The photobioreactor (PBR) structure can be vertical or horizontal in orientation. Any shape of PBR can provide more light contact to the algae or cyanobacteria for enhanced growth on support media. The reactor can be designed in a way that can get maximum exposure to sunlight. The influent seawater is mixed with nutrients that are essential for the growth of algae or cyanobacteria. The main objective is to remove the salt from the brackish, saline, hypersaline or seawater. The influent seawater can be treated using the attached growth of algae or cyanobacteria, and the effluent from the PBR can be further treated based on desired water use.
Resumen de: EP4403623A1
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.
Resumen de: CN118374567A
The invention relates to the technical field of microalgae biology, in particular to a method for producing natural astaxanthin by utilizing fermentation of Chovulomyces varioti. According to the method, the fermentation culture process of the Chovulomyces varioti is divided into a cell growth stage and an astaxanthin accumulation inducing stage, and the natural astaxanthin is produced under the optimal growth condition in the cell growth stage. The method comprises the following steps: preparing high-density biomass which is rapidly increased to 170-180g/L under the conditions that the pH value is 6.0-7.0, a total nutrient type basic culture medium and a growth supplementary culture medium, then controlling the pH value within a range of 3-5 or 8-10, and providing a nitrogen-deficient and/or phosphorus-deficient induction supplementary culture medium for carrying out induction culture so as to stress algae cells to rapidly accumulate astaxanthin. According to the method, the content (%, DCW) of astaxanthin in cells can be increased, the dry weight of cells in the fermentation liquor can be increased (the number of cells is increased), and therefore the yield of astaxanthin in the fermentation liquor can be greatly increased, and the method for producing natural astaxanthin through fermentation of Chovulochloris zoffii has good commercial transformation prospects.
Resumen de: CN118374355A
The invention discloses a preparation method of efficient algae catching microspheres based on aspergillus oryzae. The Aspergillus oryzae microsphere preparation and algae catching technology comprises the following steps: (1) Aspergillus oryzae spore activation; (2) preparing aspergillus oryzae mycelium pellet microspheres; (3) transferring aspergillus oryzae mycelium pellets; and (4) culturing the aspergillus oryzae mycelium pellet in an algae harvesting process. The preparation method of the aspergillus oryzae mycelium pellets is simple, preparation conditions and environmental factors are optimized, and reaction conditions are mild; the microalgae trapping regulation, the environmental factors and the trapping mode are optimized, the efficiency is high, the cost is low, and the components are safe and reliable.
Resumen de: CN221397570U
The utility model discloses a sewage treatment system based on a carbon neutralization concept, and belongs to the technical field of sewage treatment. The system comprises a sewage treatment process section and an organic matter treatment process section, wherein the sewage treatment process section comprises a coarse screen, a lifting pump room, a fine screen, a grit chamber, a biological adsorption tank, a sedimentation tank, a membrane bioreactor, a membrane microalgae reactor and an artificial wetland which are sequentially connected in series; the organic matter treatment process section comprises a sludge concentration system, a thermal hydrolysis tank and an anaerobic digestion tank. The system provided by the utility model is simple and feasible in process flow, methane generated by sludge digestion is purified and then generates power through a fuel cell, digested sludge is dehydrated and then is subjected to aerobic fermentation to produce an organic fertilizer, and the sewage treatment process section can realize cyclic utilization of water resources. The organic matter treatment process section can recover organic matters, nitrogen, phosphorus and other resources from domestic sewage and generate electric energy and organic fertilizer, and has great significance in realizing carbon neutralization in the sewage treatment industry.
Resumen de: CN118360350A
The invention belongs to the technical field of microalgae selenium-enriched biology, and discloses a method for improving the content and yield of organic selenium in tribonema by using gamma-aminobutyric acid. The method comprises the following steps: inoculating tribonema in a logarithmic growth phase into a selenium-enriched mBG-11 liquid culture medium, and meanwhile, adding gamma-aminobutyric acid for culturing. According to the method, the remission effect of GABA on tribonema selenium stress is utilized, the biomass accumulation level under exposure of excessive inorganic selenium is remarkably improved, meanwhile, absorption and assimilation of inorganic selenium in the culture medium are further promoted through improvement of the viability of algae cells, and synchronous accumulation of biomass and organic selenium is achieved.
Resumen de: KR20240112766A
건물외벽형 미세조류 자립 배양 시스템이 제공된다. 건물외벽형 미세조류 자립 배양 시스템은 광합성을 통한 미세조류의 자립배양이 가능하도록 투명한 벽면으로 이루어지고 건물의 외벽에 설치되는 광생물 배양실을 포함하는 광생물 배양기 유닛 및 광생물 배양기 유닛으로부터 배출된 미세조류 배양액 농축액과 담수가 공급되어 배양액 농축액과 담수의 농도차에 의한 화학적 포텐셜에 의해 발전을 수행하는 염분차 발전기 유닛을 포함한다.
Resumen de: MX2024008690A
The subject invention provides microbial cover crops for the management of crops, soil, and water. More specifically, the invention provides for methods of using the microbe-based cover crop to address various soil quality issues, including those involving soil fertility and stability and water management. Furthermore, the microbial cover crops can be applied and maintained efficiently.
Resumen de: CN118360159A
The invention provides nostoc and solid microalgae fertilizer as well as a preparation method and application thereof. The nostoc is classified and named as nostoc sp.CM7, and is preserved in the China Center for Type Culture Collection on January 30, 2024, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 2024297. The solid microalgae fertilizer prepared from the nostoc can solve the problem that the solid microalgae fertilizer is difficult to prepare in the prior art, and is suitable for the technical field of algae microorganisms.
Resumen de: CN118361381A
The invention discloses an open type supercritical carbon dioxide energy storage system and an operation method. The open type supercritical carbon dioxide energy storage system comprises a thermal power plant unit, a supercritical carbon dioxide energy storage unit, a calcium carbonate heat storage unit and a microalgae unit. Carbon dioxide discharged by the thermal power plant unit is used as a working medium for supercritical carbon dioxide energy storage; the supercritical carbon dioxide energy storage unit can store surplus electric power during peak power generation of wind energy and solar energy; the calcium carbonate heat storage unit can store compression heat and solar heat in the compression process and is used for supplementing heat before supercritical carbon dioxide expansion; the microalgae unit can utilize carbon dioxide discharged after acting as a raw material of microalgae reaction to generate biodiesel; the energy storage time can be prolonged and the supercritical carbon dioxide can be sealed and stored to the seabed at the peak of wind energy and solar energy power generation, so that the problems that the carbon emission of a thermal power plant is too high and the wind energy and the solar energy have randomness and volatility are solved.
Resumen de: CN118360230A
The invention relates to application of coal-based mineral particles generated in a coal purification process in microalgae culture and a method for culturing microalgae by using the coal-based mineral particles. Research finds that coal-based mineral particles prepared from inorganic matters separated from a coal processing process can be used for microalgae culture besides the effect of improving soil, and particularly, when the coal-based mineral particles are used as a unique nutrient source for culturing green algae, the growth rate and biomass accumulation of the green algae can be obviously improved. The coal-based mineral particles can be used as a unique nutrient source and can also be used as an additional nutrient to be added into an SE culture medium to replace a soil extracting solution in the SE culture medium.
Resumen de: CN118360161A
The invention discloses a microalgae nutrition repairing liquid, a preparation method and application in a grassland ecosystem, and belongs to the technical field of grassland repairing liquid, the microalgae nutrition repairing liquid comprises, by mass, 50-80% of microalgae, 1-10% of amino acid, 1-15% of saccharides, 1-10% of bio-silicon, 1-5% of progesterone, 1-5% of lecithin and 1-5% of a biological fresh-keeping agent, the microalgae comprise phytaphyta, phytaphyta, phytaphyta and phytaphyta. According to the microalgae nutrition repairing liquid, the preparation method and the application in the grassland ecosystem, solar energy is used as power, and the microalgae nutrition repairing liquid is prepared from stonephyta, xanthophyta, chlorophyta and rhodophyta, is rich in ribonucleic acid photosynthetic oxygen evolution cells with the concentration of 6 billion/ml or above, and can be applied to the grassland ecosystem. By applying the microalgae nutrition repairing liquid, different degrees of degraded grassland can be quickly reconstructed, material circulation and energy exchange are continuously carried out, and a grassland photosynthetic oxygen evolving ecological comprehensive system is constructed.
Resumen de: WO2024150941A1
The present application relates to a novel strain of Schizochytrium sp. and a method for producing arachidonic acid-containing oil using same. Bio-oil produced by the novel strain of Schizochytrium sp. according to one aspect is highly fluid due to having high docosahexaenoic acid and eicosapentaenoic acid content, and low palmitic acid content, and contains arachidonic acid that is an essential nutrient with an important role in the development of the nervous system, and as such, microalgae and biomass or bio-oil produced therefrom can be effectively used as feed, raw material for food, and the like.
Resumen de: WO2024150787A1
Provided are an information processing system, an information processing method, and an information processing program that make it possible to cultivate and culture, in the same tank or bioreactor, aquatic products and microalgae, etc. on which the aquatic products feed. The present invention comprises: one culture tank in which algae and aquatic products that feed on the algae are present; a measurement unit which measures the state of the algae and/or the state of the aquatic products; a control unit which, when the measurement result requires adjustment of a culture condition, adjusts the culture condition; and a determination unit which, when the aquatic products have grown to reach a desired prescribed value, ends cultivation of the aquatic products.
Resumen de: CN118344976A
The invention discloses chlamydomonas reinhardtii engineering bacteria as well as a preparation method and application thereof. The chlamydomonas reinhardtii engineering bacteria comprise chlamydomonas reinhardtii for expressing NAD + phosphite dehydrogenase. In the invention, the chlamydomonas reinhardtii engineering bacterium which has high anti-pollution capacity and can be subjected to open culture is constructed and can be used as a cell factory platform cell to prepare various products, for example, farnesene synthase is further expressed to obtain engineering algae capable of synthesizing farnesene in an open environment, and the optimal culture condition of the engineering algae is explored; the yield of farnesene is improved. By establishing an open culture system in a microalgae cell factory, a new thought and strategy are provided for large-scale culture of algae.
Resumen de: CN118345106A
The invention discloses cyanobacteria and a method for repairing heavy metal pollution of a water body. The construction method of the cyanobacteria comprises the following steps: S1, constructing an integrated plasmid inserted into a cadmium mineralized protein PbrR gene sequence; s2, transforming the plasmids constructed in the step S1 into model cyanobacteria in a homologous recombination mode to obtain transformants; and S3, carrying out plate culture on the transformant obtained in the step S2, selecting and verifying.
Resumen de: CN221344315U
The device for removing phosphorus and heavy metals from wastewater in the electronic industry comprises an electrode power supply, a water inlet pipe, an electrochemical reactor, a lower water passing pipe, an activated carbon layer, an aeration pipe, a flat sheet membrane, a self-priming pump, an air blower, a valve, microalgae, an upper water passing pipe, a water producing pipe, a partition plate, a shell and a supporting plate, the shell is sequentially divided into an electrochemical oxidation flocculation area, a biological activated carbon adsorption area and a microalgae membrane bioreactor area by the partition plates, and an electrochemical reactor is arranged in the middle of the electrochemical oxidation flocculation area; a supporting plate is arranged in the middle of the biological activated carbon adsorption area, and an activated carbon layer is arranged on the supporting plate; a flat sheet membrane is arranged in the microalgae membrane bioreactor area, microalgae is arranged in the microalgae membrane bioreactor area outside the flat sheet membrane, an aeration pipe is arranged at the lower part of the microalgae membrane bioreactor area and is connected with an external air blower through a pipeline and a valve, and water in the microalgae membrane bioreactor area is injected into the flat sheet membrane; and water is discharged out of the device for removing phosphorus and heavy metals in wastewater in the electronic industry through a water production
Resumen de: CN118325695A
The invention relates to the technical field of microalgae biology, in particular to a combined function reactor for culturing and concentrating microalgae and a use method of the combined function reactor. Comprising an open or semi-open culture unit, the culture unit is provided with a culture solution outlet, the culture solution outlet is connected with a power pump and a culture solution feeding pipeline and is connected with a concentration device, the concentration device is close to the culture unit and is provided with a gas inlet pipeline, and CO2-containing mixed gas enters the concentration device through the gas inlet pipeline; the concentration device is connected with a filtered clear liquid return pipeline, the culture solution flows back to the culture unit through the filtered clear liquid return pipeline after being filtered and concentrated, the concentration device is further provided with a discharge port, and cell concentrated liquid obtained after the culture solution is filtered and concentrated passes through the discharge port and reaches the harvesting unit through a harvesting pipeline. According to the method, the energy consumption of microalgae harvesting can be greatly reduced, meanwhile, the utilization efficiency of an inorganic carbon source is improved, the use of chemical reagents is avoided in the aspect of common disease and pest control, and a new method for physical filtration and cell lossless is provided.
Resumen de: CN118324290A
The invention belongs to the field of water environment treatment, and particularly relates to a method for removing ammonia nitrogen by utilizing microalgae coupled bioelectric wetland. The method specifically comprises the following steps: coupling a microalgae sewage treatment technology, an electrochemical technology and a wetland technology, promoting ammonia nitrogen in a cathode area to be converted into nitrate nitrogen by utilizing photosynthetic oxygen production of microalgae and plants near a cathode, and after the nitrate nitrogen is reduced at the cathode, enabling the residual nitrate nitrogen to flow into an anode chamber for anaerobic denitrification so as to realize efficient removal of the ammonia nitrogen. In addition, the system also has a relatively good removal effect on organic matters and phosphorus elements. Compared with the traditional denitrification process, the method has the advantages of aeration unit saving, no sludge generation, simple operation, good treatment effect and the like, and has great application potential in the field of water environment treatment.
Resumen de: CN118324302A
The invention relates to the technical field of sewage treatment, in particular to a multi-stage ecological pig raising wastewater treatment system, which comprises an anaerobic baffled reactor, an anaerobic baffled reactor, an anaerobic baffled reactor and an anaerobic baffled reactor, a plurality of partition walls are arranged in the anaerobic baffled reaction tank and are divided into a plurality of independent anaerobic baffled reaction chambers, water passing pipes are arranged at the upper parts of the partition walls, and sewage sequentially flows among the anaerobic baffled reaction chambers through the water passing pipes; mud guide inclined walls are arranged on two sides of the bottom of the anaerobic baffling reaction tank; a settling mud inclined wall is arranged below the water outlet of the anaerobic baffling reaction tank; the multi-stage reverse-flow anaerobic biological filtration unit is communicated with the anaerobic baffling reaction tank; comprising a plurality of filter chambers filled with filler, and the filter chambers are sequentially communicated through water passing holes which are formed in a high-low staggered manner; the aerobic ecological purification system comprises a middle water tank, and part of effluent of the middle water tank flows back to the anaerobic baffled reactor and the microalgae purification tank. The method is friendly to the ecological environment, low in energy consumption, small in dosage, low in operation cost and easy
Resumen de: CN118325735A
The invention relates to the field of water bloom algae treatment and natural pigment production, and particularly discloses application of a water bloom algae extract in preparation of a microalgae culture medium additive, culture of microalgae by a microalgae culture medium, production of carotenoid or production of chlorophyll. The water extract obtained by using green tide algae or gold tide algae as a raw material is added into a microalgae culture medium, so that the biomass of microalgae in an algae solution, the amount of chlorophyll and carotenoid extracted from the algae solution per unit volume and the content of chlorophyll and carotenoid in part of microalgae can be remarkably increased. The algal bloom biomass can be comprehensively utilized through a simple processing method, and the processing method is simple and easy to operate; according to the scheme, natural pigments such as chlorophyll and carotenoid can be produced through microalgae, the cost is low, operation is easy, environment friendliness is achieved, and large-scale production can be achieved.
Resumen de: WO2024147286A1
This microorganism belongs to the genus Rhodococcus, Xanthobacter, Ancylobacter, Shewanella, or Aeromonas. Said microorganism may be Rhodococcus cerastes belonging to the genus Rhodococcus, Xanthobacter flavus belonging to the genus Xanthobacter, or Ancylobacter rudongensis belonging to the genus Ancylobacter. Said microorganism may be for promoting the growth of cyanobacterium, green algae, gray algae, or euglena algae. Said microorganism may be for promoting the growth of organisms belonging to the phylum Cyanobacteria, Ochrophyta, Euglena, Cryptophyta, Haptophyta, Cercozoa, Glaucophyta, Rhodophyta, Chlorophyta, or Streptophyta.
Resumen de: US2024224957A1
The present disclosure provides a recirculation aquaculture system and method. The system includes a fish pond and a fiber turntable filtering system. The fiber turntable filtering system can implement can remove large particles in aquaculture water and regularly harvest microalgae, water quality after treatment reaches a fishery aquaculture standard, and 97% of the aquaculture water can be directly recycled. In the present disclosure, during in-situ culture of microalgae and fish, microalgae can convert CO2 exhaled by fish and nutrients such as nitrogen and phosphorus in the aquaculture water into substances of algae cells, such as proteins, polysaccharides, vitamins, and lipids, and release oxygen, so as to quickly improve quality of the aquaculture water; in-situ culture of the microalgae and the fish gives play to the advantages of high photosynthetic efficiency of the microalgae, and the fast-growing microalgae provide a suitable growth environment for the fish.
Nº publicación: EP4396328A2 10/07/2024
Solicitante:
UNIV CALIFORNIA [US]
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Resumen de: AU2022340828A1
This invention provides compositions and methods for providing high level expression of proteins of interest in cyanobacteria.
BOPI
Sede Electrónica
