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A NEW BAG SYSTEM FOR MICROALGAE PRODUCTION

Resumen de: WO2026147418A1

The invention relates to a bag system improved for use in obtaining microalgae, to provide the controlled environment needed and to increase production efficiency, in which biofilm formation and contamination effects are reduced, and the controls of light, temperature, gas exchange, and nutrient input and output are improved.

MODULAR PHOTOBIOREACTOR FOR MICROALGAL BIOMASS PRODUCTION

Resumen de: WO2026147359A1

This invention related to photobioreactor providing a modular, scalable, and sustainable system for efficient microalgae cultivation, addressing diverse applications such as biomass production, environmental remediation, and bio-compound extraction. This system includes; a body constructed within a standard 20-foot corten steel, an airtight chamber which occupies approximately three-quarters of the body's internal volume for 10 containing the freshwater or saltwater needed for microalgae cultivation, a lightning system (3) including a plurality of LEDs which are programmable and adjustable in both intensity and duration, allowing precise management of lighting conditions to optimize microalgal growth, which is installed on the body ceilin an aeration and mixing system that providing CO2 for photosynthesis from air by a compressor (1) and 15 mixing the biomass within the chamber, a feeding system (4) ensuring a continuous and controlled supply of essential nutrients to the microalgal culture, a photocatalytic filter (2) purifying contaminants in air before being injected into the reactor, a control unit (5) that monitors and manages all key operating parameters of the photobioreactor in real- time, such as pH, temperature, CO₂, and nutrient concentration, photovoltaic panels 20 providing electrical energy for reactor, which is mounted outside of body and a filter (8) that filters contaminants in the water which is sent by a pump.

NOVEL PROROCENTRUM LIMA MICROALGAE AND CULTURE METHOD THEREOF

Resumen de: KR20260104446A

본 발명은 신규한 프로로센트룸 속(Prorocentrum spp.) 미세조류 및 이의 배양방법에 관한 것으로, 상세하게는 오카다산(Okadaic acid) 군에 속하는 독소 및 다이노파이시스(Dinophysistoxin) 군에 속하는 독소 생산능력을 가져 상기 독소의 표준품 제조용으로 이용되기 적합한 추출물을 분리 제조하기 위해 유용하게 사용될 수 있는 프로로센트룸 리마 KM1034(Prorocentrum lima KM1034) 미세조류 및 이로부터 상기 독소를 신속하게 대량으로 생산하기 위해 수행되는 대규모 배양방법에 관한 것이다.

NOVEL GYMNODINIUM CATENATUM MICROALGAE AND CULTURE METHOD THEREOF

Resumen de: KR20260104445A

본 발명은 신규한 짐노디니움 속(Gymnodinium spp.) 미세조류 및 이의 배양방법에 관한 것으로, 상세하게는 GC3독소를 고함량으로 함유하며, 대량배양이 가능하여 상기 독소의 표준품 제조용으로 이용되기 적합한 추출물을 분리 제조하는데 적합한 짐노디니움 카테나툼 KM032(Gymnodinium catenatum KM032) 미세조류 및 이로부터 상기 독소를 신속하게 대량으로 생산하기 위해 수행되는 대규모 배양방법에 관한 것이다.

Method for obtaining exosome-like vesicles from microalgae

Resumen de: CN122326382A

The present invention relates to a method for obtaining exosome-like vesicles from microalgae. The invention provides a method for obtaining a composition comprising exosome-like vesicles or bionic exosomes from microalgae cells, said method comprising a) homogenizing microalgae cells by high pressure, and b) removing cell debris from the homogenized solution obtained in step a). The invention also relates to the composition obtained by said method and to the cosmetic and medical use thereof.

System for capturing and converting indoor carbon dioxide and control method

Resumen de: CN122321623A

The invention relates to the technical field of gas treatment, and particularly discloses an indoor carbon dioxide capturing and converting system and a control method. The filtering module is arranged at the downstream of a gas path of the gas driving unit; the carbon dioxide adsorption microreactor is communicated with the downstream of a gas path of the filtering module and is filled with a carbon dioxide adsorbent, and a heating assembly is arranged at the bottom; the vacuum pumping unit is communicated with a gas desorption outlet of the carbon dioxide adsorption microreactor; the gas path switching module is arranged at the downstream of the exhaust end of the carbon dioxide adsorption microreactor and is provided with a plurality of exhaust branches respectively leading to the indoor space, leading to an ammonia gas absorption column filled with an absorption material and leading to the microalgae culture device. The integrated effect of carbon dioxide capture, desorption regeneration, quantitative supply, biotransformation and safety interlocking control is achieved.

Isochrysis galbana continuous culture system

Resumen de: CN224450647U

The utility model relates to the technical field of microalgae continuous culture, and particularly discloses an isochrysis galbana continuous culture system and a continuous culture method, the culture system comprises an upper computer and a lower computer; the upper computer is a remote monitoring and control platform based on a mobile terminal, is connected with the lower computer and is used for real-time monitoring, parameter setting and remote regulation and control; the lower computer comprises a pipeline type photo-biological reaction circulating unit, a control unit, a supplementary material adding unit and a discharged liquid collecting unit; based on the culture system, efficient, stable and low-cost continuous culture of isochrysis galbana can be realized.

Adherent electroactive microalgae with salt stress response characteristic, biological preparation and application

Resumen de: CN122326463A

The invention relates to the technical field of microorganisms and application thereof, and particularly provides adherent electroactive microalgae with a salt stress response characteristic, a biological preparation and application, the microalgae provided by the invention belongs to cyanobacteria, is Desertibacterium salkaline.UJS-X-1, and has the preservation number of CGMCC No. 46959. The invention further provides a preparation method of the biological preparation. The algal strain can grow on the surface of a solid or semi-solid substrate in a wall-attached mode to form a biological membrane, shows stable extracellular electron transfer capacity and has good salt and alkali tolerance, and the electroactivity and salinity of the algal strain have a dosage effect. The saline-alkali soil conditioner can significantly reduce the salinity and pH of saline-alkali soil, can promote the growth of rice under saline-alkali stress, improves the biomass and chlorophyll content of the rice, and reduces the malondialdehyde content. The algal strain provided by the invention can be used for preparing a biological agent for saline-alkali soil remediation, constructing microalgae vegetation, serving as a salinity-responsive biological indicator, serving as an anode material of a biological battery and serving as a saline-alkali soil crop bio-fertilizer, and has a wide application prospect.

Switching system for regulating and controlling water depth of microalgae raceway pond and use method

Resumen de: CN122326363A

The invention discloses a switching system for regulating and controlling the water depth of a microalgae raceway pond and a using method, and belongs to the technical field of microalgae culture.The switching system comprises the raceway pond, a lifting type overflow weir mechanism is arranged on one side of the raceway pond, and an overflow collecting tank and a liquid storage pond are arranged on the side, away from the raceway pond, of the lifting type overflow weir mechanism; a liquid discharge pipe and a reflux pump are connected between the overflow collecting tank and the liquid storage tank, the reflux pump is communicated with the liquid discharge pipe, a reflux pipe is connected to the reflux pump, and one end, far away from the reflux pump, of the reflux pipe is communicated with the raceway pond. The overflow boundary is changed by adjusting the height of the lifting type overflow weir mechanism, liquid storage and backflow are matched, water depth switching in the inoculation period, the rapid growth period, the high-density culture period and the day and night condition is achieved, the water depth is reduced in the daytime to shorten the optical path and improve the light receiving efficiency, and the water depth is increased at night to enhance the temperature stability. And low-cost transformation is realized without changing the main body structure of the existing raceway pond, and the raceway pond is suitable for large-scale culture of microalgae such as s

Method for rapidly separating and purifying Rubisco from microalgae

Resumen de: CN122326581A

The invention discloses a method for rapidly separating and purifying Rubisco from microalgae. The method comprises the following steps: crushing microalgae, and filtering to obtain a supernatant of a crude protein extracting solution; combining supernate of the crude protein extracting solution with anion exchange magnetic beads; and separating the magnetic beads, and sequentially carrying out gradient elution by using an elution buffer solution containing 40-550mM of NaCl, so as to obtain the Rubisco of the microalgae. Experiments prove that the method for rapidly separating and purifying Rubisco can be used for separating and purifying Rubisco from the chlamydomonas reinhardtii CC-125 strain, the operation is simple, only one-step directional enrichment is needed, the time consumption is short, the whole process is less than or equal to 3 hours, and more importantly, the obtained Rubisco is relatively high in purity and extremely few in impure protein. Therefore, the method provided by the invention can quickly separate and purify Rubisco, and has important application value.

FOOD COMPOSITION

Resumen de: WO2026139376A1

The present invention relates to a food composition comprising (a) microalgal biomass material, said biomass material comprising at least 5 wt% of microalgal protein by weight of dry matter of the microalgal biomass, wherein the microalgal biomass material is in the form of non-lysed single cells and/or clusters of non-lysed single cells, with a particle size (D4,3) of 2 µm to 100µm, as measured upon redispersion in an aqueous medium at a concentration of 3 wt-% of microalgal biomass material by total weight of the aqueous medium and the microalgal biomass; and (b) alginate.

METHOD FOR CULTIVATING PHOTOTROPHIC MICROALGAE

Resumen de: WO2026142465A1

The invention relates to the field of biotechnology, and more particularly to a method for cultivating marine microalgae in enclosed photobioreactors with optimized physical and chemical parameters, and to a device for carrying out said method. The proposed photobioreactor and cultivation method (in particular, the chemical composition of a medium, and the illumination and aeration) make it possible to provide optimal conditions for microalgae cultivation which allow good gains in both microalgal biomass and carotenoid mass.

DIABETIC WOUND HEALING OINTMENT WITH HYPNUM CURVIFOLIUM BRYOPHYTE EXTRACT AND CHLORELLA VULGARIS MICROALGAE ENRICHED WITH TUNA WASTE OIL

Resumen de: WO2026139708A1

This invention involves a bioactive ointment for promoting diabetic wound healing which speeds up treatment process significantly. The ointment utilizes Hypnum Curvifolium bryophyte extract, Chlorella Vulgaris microalgae and fatty acids from tuna waste oil. Initially the hypnum bryophyte extract and microalgae are prepared via ultrasound. Next, the oil is extracted from the tuna waste using the Blythe-Dyre method. After separating the unsaturated fatty acids from the tuna waste oil, the hydrogel base is prepared. The proposed solution includes the step by step preparation method of the ingredients and the finalized obtained formula.

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

Resumen de: EP4768036A1

The present disclosure provides a novel antioxidant using cyanobacteria. An antioxidant of the present disclosure includes a cyanobacterial secretion.

AGENT FOR ACTIVATING HAIR DERMAL PAPILLA CELLS

Resumen de: EP4767836A1

0001 An object of the present invention is to provide a formulation effective for activation of hair dermal papilla cells. Provided are a composition for activation of hair dermal papilla cells, a composition for hair regrowth promotion or hair growth, a composition for hair quality improvement, and a composition for FGF-2, FGF-7 or VEGF production promotion, containing a culture supernatant and/or extracellular vesicles of a microalga.

FOOD COMPOSITION

Resumen de: EP4767833A1

0001 The invention relates to a method of producing a food composition comprising microalgal biomass with reduced off-flavour, said method comprising adding at least 0.001 wt.%, calculated by weight of the food product, of an aldehyde scavenger, said aldehyde scavenger containing at least 5 wt.%, calculated by weight of the aldehyde scavenger of cysteine. The invention also relates to Food composition comprising microalgal biomass material, said material comprising at least 5 wt% of microalgal protein by weight of dry matter of the microalgal biomass, and 2-pentyl-1,3-thiazolidine-4-carboxylic acid and/or salts thereof, and optionally, water. The invention also relates to a food composition comprising microalgal biomass material, comprising at least 5 wt% of microalgal protein by weight of dry matter of the microalgal biomass; hexanal or a source of hexanal; and at least 0.001 wt.%, calculated by weight of the food product, of an aldehyde scavenger, said aldehyde scavenger containing at least 5 wt.%, calculated by weight of the aldehyde scavenger of cysteine.

Method for processing microalgae

Resumen de: GB2702934A

A method of processing microalgae comprising: adding an inert abrasive agent to a microalgae biomass; and agitating the mixture to lyse the microalgal cells. The abrasive agent may be diatomaceous earth, diatomite, celite, kieselguhr. The microalgae may have not been previously frozen. The microalgae may be of the Spirulina genus (Arthrospira platensis). The method may further comprise separating water-soluble compounds from the mixture. The mixture may be dried to form a cake and contacted with a liquid such as water to leach water-soluble components into the liquid. The liquid may comprise phycocyanin. The liquid may be water. The liquid may be filtered. The method may comprise further steps of removing bacteria, concentrating or purifying the phycocyanin, and spray-dying the phycocyanin solution. The method may comprise a further step of separating the microalgae from the abrasive agent. A preservative may be added to the microalgal contents. Also claimed are compositions comprising microalgal cellular contents. The composition may comprise phycocyanin. Also claimed are uses of the composition as a pigment, colourant, biostimulant or fertiliser. Fig. 4

SYSTEM FOR REDUCING AND UTILIZING CARBON DIOXIDE GENERATED FROM SEWAGE TREATMENT PLANT

Resumen de: EP4768454A1

0001 A system for reducing and utilizing carbon dioxide generated from a sewage treatment plant is disclosed. The disclosed system for reducing and utilizing carbon dioxide generated from a sewage treatment plant includes a sewage treatment plant that purifies introduced sewage in multiple stages and generates carbon dioxide during a treatment process, an algae cultivation device that cultivates and produces microalgae using the carbon dioxide generated from the sewage treatment plant and sewage treated water, and a gas capture device that captures the carbon dioxide generated from the sewage treatment plant, and a nanobubble device that receives the sewage treated water treated from the sewage treatment plant and the carbon dioxide captured from the gas capture device and supplies the sewage treated water in which the carbon dioxide is dissolved by nanobubbles to the algae cultivation device.

Spirulina culture method

Resumen de: CN122303075A

The invention discloses a spirulina culture method, relates to the technical field of microalgae biology, and aims to overcome the defects of low biomass yield and low protein content of spirulina in the prior art. Comprising the following steps: in a first culture stage, inoculating spirulina into a basic culture medium, and carrying out photoautotrophic culture under the illumination intensity of 5000-10000 lux until the optical density OD560 reaches 0.6-0.8; in the second culture stage, the illumination intensity is reduced to 1000-3000 lux, calcium alginate is added to embed sodium bicarbonate microspheres, and culture is performed until the algae cell dry weight reaches 1.5-2.0 g/L; in the third culture stage, the illumination intensity is increased to 8000-12000 lux, and anion exchange resin is added to load sodium nitrate slow-release particles. According to the method, the biomass dry weight and the protein content of the spirulina can be synergistically increased.

Distributed microalgae photobioreactor and microalgae culture method

Resumen de: CN122303003A

The invention provides a distributed microalgae photobioreactor and a microalgae culture method.The reactor comprises an environment control cabin, the environment control cabin is at least partially pervious to light, a rotary bearing frame is arranged in the environment control cabin and connected with a rotary driving mechanism, and the rotary driving mechanism drives the environment control cabin to rotate. The rotary bearing frame bears a plurality of independent culture containers, and the independent culture containers are used for containing culture media and microalgae respectively; and the rotating mechanism drives the rotary bearing frame to rotate so as to drive the plurality of culture containers to rotate. According to the technical scheme, culture is conducted through the independent culture container, physical isolation is achieved, the sterile reliability is high, efficient mixing is achieved, energy consumption is low, the light supplementing efficiency is high, directional regulation and control can be achieved, the application range is wide, and practicability is high.

Intelligent beam yard precast beam steam curing microalgae carbon sequestration device and method

Resumen de: CN122303006A

The invention relates to an intelligent beam yard precast beam steam curing microalgae carbon sequestration device and method, and relates to the technical field of flue gas treatment. The intelligent beam field precast beam steam curing microalgae carbon sequestration device comprises a photo-biological reaction mechanism and an algae liquid treatment mechanism, the algae liquid treatment mechanism is used for treating algae liquid discharged by the photo-biological reaction mechanism, the photo-biological reaction mechanism comprises an access device, a discharge pipe and a plurality of transparent reaction pipes, the access device is used for introducing flue gas, the discharge pipe is used for discharging the flue gas, and the transparent reaction pipes are communicated with the discharge pipe. The bottom ends of the transparent reaction tubes are all communicated with the access device, the top ends of the transparent reaction tubes are all communicated with the through-out tube, microalgae are arranged in each transparent reaction tube, and the through-out tube is used for introducing the reacted algae liquid into the algae liquid treatment mechanism. The method has the effect of improving the stability of the microalgae culture environment.

Method for synergistically treating antibiotics in breeding wastewater by microalgae and bacteria

Resumen de: CN122276992A

The invention discloses a method for synergistically treating antibiotics in aquaculture wastewater by microalgae and bacteria, and belongs to the technical field of biological treatment of aquaculture wastewater. Chlorella microalgae and tetracycline degradation dominant flora obtained by tetracycline concentration gradient domestication and screening from activated sludge of an aquaculture farm are subjected to co-treatment; and co-inoculating the phycomycetes into a sequencing batch photobioreactor according to a phycomycetes cell number ratio of (3-8): 1, and driving self-assembly to form the phycomycetes symbiotic granular sludge through alternate operation of light and dark and selective pressure for gradually shortening settling time. Under the condition of no additional carbon source, the synchronous and efficient removal of tetracycline antibiotics, ammonia nitrogen and total phosphorus in the breeding wastewater is realized by utilizing the O2/CO2/DOC closed cycle of phycomycete syntrophy in the particles. Under optimal conditions, the tetracycline removal rate reaches 92%, the ammonia nitrogen removal rate reaches 97%, the total phosphorus removal rate reaches 88%, the protein content of the harvested biomass is not lower than 44%, the biomass can be used as a feed protein raw material, and the dual benefits of wastewater treatment and recycling are achieved.

Microalgae biological fertilizer with soil remediation function and preparation method thereof

Resumen de: CN122277344A

The invention relates to the technical field of biological fertilizers, and particularly discloses a microalgae biological fertilizer with a soil remediation function and a preparation method thereof. The preparation method comprises the following steps: carrying out domestication culture on scenedesmus obliquus liquid, blue fiber algae liquid and small monofidus algae liquid through gamma-aminobutyric acid induction activation liquid, and mixing with paenibacillus polymyxa and bacillus megatherium for co-culture to obtain biological slurry; embedding the biological slurry with sodium alginate-carboxymethyl chitosan, so as to prepare a bioactive microsphere; the preparation method comprises the following steps: impregnating corn straws with a magnesium iron salt precursor, carrying out nitrogen pyrolysis to prepare modified charcoal loaded with magnesium oxide and ferroferric oxide, and compounding with potassium humate to prepare a charcoal suspension; and uniformly mixing the bioactive microspheres and the charcoal suspension with xanthan gum, welan gum, ammonium polyphosphate, potassium nitrate, zinc sulfate, potassium silicate and deionized water to prepare the microalgae biological fertilizer with the soil remediation function.

Topological aeration system for large-scale microalgae photobioreactor

Resumen de: CN122278591A

The invention discloses a topological aeration system for a large-scale microalgae photobioreactor, and belongs to the field of microalgae culture equipment. The system comprises a gas source, a gas distribution network and a plurality of aerators. And the gas distribution network adopts a multi-stage topological structure, and the gas of the gas source is graded and uniformly conveyed to the aerators. And the aperture of aeration holes of the aerator is 0.5 mm, and the distance between the aeration holes is 1.5 mm. Through collaborative design of macroscopic topology network layout and microcosmic aerator structure parameters, the problems of non-uniform gas distribution and low mass transfer efficiency in the prior art are solved, uniform bubbles can be formed in a large-scale reactor, the gas-liquid contact area and the mass transfer efficiency are greatly improved, and the method is suitable for large-scale culture of microalgae.

Novel microalgae fermentation tank

Nº publicación: CN224411734U 26/06/2026

Solicitante:

HENAN YUANZHI FOOD SCIENCE RES CO LTD
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Resumen de: CN224411734U

The utility model belongs to the technical field of microalgae fermentation tanks, and particularly relates to a novel microalgae fermentation tank which comprises a base, a tank body and a top cover, the tank body is mounted at the top of the base, the top cover is connected to the top of the tank body, and an illumination adjusting mechanism is arranged on the surface of the tank body; the illumination adjusting mechanism comprises a top ring, a bottom rail, a circle, sliding grooves, a shielding plate, a connecting piece, a sliding column and a pull rod, the top ring is fixedly connected to the bottom of the top cover, the bottom rail is fixedly connected to the top of the base, the circle is rotationally connected into the bottom rail, and the sliding grooves are all formed in the top of the circle; the tops of the multiple shielding plates are connected to the bottom of the top ring through rotating shafts, and the multiple connecting pieces are fixedly connected to the bottoms of the multiple shielding plates correspondingly. According to the novel microalgae fermentation tank provided by the utility model, the light of the fermentation tank can be shielded and adjusted, and the most suitable growth environment can be provided for different types of microalgae.