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Nutrient salt self-adaptive quantitative supply device for microalgae culture solution

Resumen de: CN121574800A

The invention relates to the technical field of microalgae culture, in particular to a microalgae culture solution nutritive salt self-adaptive quantitative supply device which comprises a base and a top cover above the base, a pipeline assembly is arranged on the base, a supply assembly is arranged in the middle of the base, and a rotating assembly is arranged in the rotating assembly; the pipeline assembly is composed of an ascending pipe close to the outer side, a descending pipe close to the inner side and a separation pipe connecting the tops of the ascending pipe and the descending pipe, a movable rod is coaxially arranged in the descending pipe, and a plurality of disturbance plates used for dispersing nutritive salt are arranged on the movable rod in a staggered mode. The rotating assembly is arranged to drive the ascending pipe and the descending pipe to rotate and be uniformly illuminated, and during rotation, the transmission structure drives the movable rod to slide up and down, so that the disturbance plate stirs the algae liquid up and down, the flowability of the algae liquid is improved, the diffusion of nutritive salt is accelerated, and the normal culture of microalgae is prevented from being influenced; the microalgae are prevented from being attached to the downcomer with lower flow speed, and the normal culture of the microalgae is not influenced by insufficient flow of the microalgae.

Method for stress microalgae in solid state and application

Resumen de: CN121574830A

The invention discloses a method for solid stress of microalgae and application, and belongs to the technical field of microalgae culture, and the method comprises the following steps: preparing a solid culture medium; preparing the microalgae bio-ink; carrying out 3D printing on the microalgae bio-ink; and carrying out solid culture and stress on the microalgae. Based on a solid-state culture technology, a solid-state stress method which is simple to operate is developed, and efficient and rapid accumulation of microalgae metabolites can be realized. In addition, through the 3D printing technology, modular, low-cost, rapid and large-area industrial manufacturing can be achieved, the defects existing in traditional microalgae stress are overcome, and wide application prospects are achieved.

Microalgae with high yield of saponin and application thereof

Resumen de: CN121574831A

The invention discloses microalgae with high yield of saponin and application of the microalgae, and belongs to the technical field of microalgae biology. The 18S rDNA (ribosomal deoxyribonucleic acid) sequence of the Klebsormidium sp. FDA-14 is shown as SEQ ID NO.3, the Klebsormidium sp. FDA-14 is preserved in the China Center for Type Culture Collection, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20252282. When the strain is cultured in a BG11 culture medium, saponin can be efficiently produced, and the content of saponin reaches up to 99.49 mg/g and is higher than the content of saponin in ginseng. Compared with ginseng, the yield of the methanol extract of the strain is high, the methanol extract and the crude polysaccharide extract are high in oxidation resistance, and the strain can be used as a potent antioxidant. Compared with other saponin production raw materials, the strain is short in culture period, is not influenced by factors such as environment, region and season, and is expected to provide a new efficient saponin production way which is independent of cultivated land, short in production period and high in content.

Microalgae cell wall breaking equipment

Resumen de: CN223951023U

The utility model discloses microalgae cell wall breaking equipment, and relates to the technical field of microalgae cell wall breaking equipment. The device comprises a treatment tank, a vertical rotating shaft is rotationally arranged at the middle end of the treatment tank, a plurality of stirring pieces distributed at equal intervals are fixedly arranged at the end, located in the treatment tank, of the rotating shaft, two symmetrically-arranged arc-shaped plates are arranged in the treatment tank, and a plurality of leakage grooves distributed at equal intervals are formed in the arc-shaped plates. Two long rods which are symmetrically arranged are fixedly arranged at the middle end of the arc-shaped plate; through linkage of the transfer plate, the rotating block, the swing plate, the long plate and other parts, the arc-shaped plate can push mixed raw materials at the inner edge of the treatment tank to be in continuous contact with the stirring piece, the over-static state of the conventional stirring mode is broken through, the raw materials are mixed more dynamically, the problem of long mixing time caused by insufficient mixing is avoided, and the mixing efficiency is improved. Therefore, the mixing efficiency is improved, and the problem that the treatment efficiency is affected by the mixing mode in the existing chemical wall breaking process is solved.

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

Resumen de: EP4699450A1

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

Microalgae wastewater treatment system

Resumen de: CN121554139A

The microalgae wastewater treatment system provided by the embodiment of the invention comprises: 1) a wastewater pretreatment device for performing water quality regulation and control pretreatment on introduced wastewater and conveying pretreated effluent to a multilayer fluidized bed microalgae reactor; 2) a multilayer fluidized bed microalgae reactor used for covering aeration, illumination, temperature control and a multilayer annular flow channel synergistically driven rotatable carrier; the water quality monitoring device is used for monitoring the water quality in the culture process in real time and transmitting monitoring data to the comprehensive controller; the microalgae collecting device is used for collecting the microalgae after the biomass concentration of the microalgae reaches the preset density; the effluent collecting device is used for collecting residual water after microalgae separation and discharging the water after determining that the water reaches a recycling standard, and the comprehensive controller is used for predicting the short-term growth rate of microalgae based on monitoring data and optimizing the aeration rate and the illumination period of the reactor based on the short-term growth rate.

Method for preparing microalgae-based lipidosome by'one-step method '

Resumen de: CN121550267A

The invention belongs to the technical field of lipidosome and microalgae biology, and discloses a method for preparing microalgae-based lipidosome through a one-step method. The method comprises the following steps: sequentially adding Tween and cholesterol into a microalgae crude extract, and dissolving to obtain a mixed solution; adding water into the mixed solution; and finally, carrying out ultrasonic treatment to obtain the microalgae-based liposome. The microalgae crude extract, Tween and cholesterol are used as raw materials, and microalgae endogenous phospholipid can be directly utilized, so that active substances in microalgae form a stable liposome structure. The prepared microalgae-based liposome particles are small and uniform, the particle size is smaller than 300 nm, and the average particle size is about 40 nm; the encapsulation efficiency is high and can reach 97.5% or above; the stability and the antioxidant activity are high, and the quality of products in different batches is stable.

System and method for removing antibiotic resistance genes in aquaculture water

Resumen de: CN121554145A

The invention discloses a system and a method for removing antibiotic resistance genes in aquaculture water, and belongs to the technical field of water environment treatment and ecological engineering. In order to solve the problems that ARGs in the existing aquaculture tail water are difficult to remove, easy to relapse and heavy in secondary pollution, a physical gradient filtering unit, an anaerobic targeting blocking unit and an aerobic phycomycete symbiotic purification unit are sequentially constructed in the system. The physical unit is filled with pelelith, quartz sand, magnetite and zeolite; pH response type intelligent microcapsules are introduced into the anaerobic unit, and zinc oxide nanoparticles and tea polyphenol are coated with a sodium alginate/chitosan compound; the aerobic unit strengthens a microalgae-bacteria symbiotic system through a plant growth regulator, deeply mineralizes residual antibiotics and adsorbs free DNA; and the tail end is coupled with a high-temperature anaerobic digestion device to realize thorough inactivation of enriched ARGs in the algae mud. The method is scientific in technological process and low in operation cost, and deep purification and resource utilization of the aquaculture tail water are achieved.

Circulating laboratory microalgae rapid breeding device

Resumen de: CN223936477U

The utility model discloses a circulating type rapid culture device for microalgae in a laboratory, and belongs to the technical field of algae culture. According to the technical scheme, the circulating type laboratory microalgae rapid culture device comprises a culture tank, an aeration unit, a water quality monitoring unit and a controller, the bottom of the culture tank is of an inverted circular truncated cone structure, a top cover is detachably arranged at the top of the culture tank, and a bottom cover is detachably arranged at the bottom of the culture tank; a wave making pump and a heater are arranged in the culture tank; the top cover is provided with a water inlet and an air outlet, the water inlet is connected with a water inlet pipe, and the culture tank is provided with a liquid level sensor; the aeration unit comprises four groups of aeration pipes, the four groups of aeration pipes are communicated with one another through a central pipe and are vertically arranged in the culture tank in a cross shape, a plurality of circular vent holes are uniformly distributed in the outer walls of the four groups of aeration pipes, and an LED lamp tube is arranged in each group of aeration pipes. According to the utility model, the microalgae growth cycle can be shortened, and the microalgae yield is improved.

Light-splitting solar concentrator integrating photovoltaics and conical pipe

Resumen de: CN121555291A

The invention discloses a photovoltaic and conical tube integrated light-splitting solar concentrator, which comprises a microalgae circular reaction device, a photovoltaic module and a light-splitting concentrator, and is characterized in that the microalgae circular reaction device comprises a photobioreactor which is a transparent part and is used for providing a growth space for microalgae; the photovoltaic module comprises a first photovoltaic panel which is arranged above the photobioreactor, and the light receiving surface of the first photovoltaic panel faces the photobioreactor; the light splitting and concentrating device comprises a light splitting and concentrating part and a light collecting and concentrating part arranged below the light splitting and concentrating part; the light splitting and condensing part is used for reflecting visible light to the first photovoltaic panel and transmitting light outside the visible light to the light collecting and condensing part, and the light collecting and condensing part is used for reflecting light emitted to the surface of the light collecting and condensing part to the photobioreactor. According to the device provided by the invention, energy in sunlight can be fully utilized, the energy utilization rate of solar energy is improved, and the energy consumption of the device provided by the invention is reduced, so that the light-splitting solar concentrator does not need to utilize other energy except light energy, a

Hydrophage strain SNF1, fermentation compound and method for removing sulfamethoxazole in wastewater

Resumen de: CN121555346A

The invention discloses a hydrogen phagocystis strain SNF1, which belongs to the field of wastewater treatment, the hydrogen phagocystis strain SNF1 is preserved in China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.35006, and the preservation date is June 25, 2025; the invention further discloses a fermentation compound, the fermentation compound is used for removing sulfamethoxazole in wastewater, and the compound comprises the hydrogen phagocystis strain SNF1 and microalgae; the invention further discloses a method for removing sulfamethoxazole in wastewater, and the hydrophage strain SNF1 is used in the method.

Animal feed rich in protein and preparation method thereof

Resumen de: CN121549458A

The invention relates to the technical field of animal feed preparation, in particular to animal feed rich in protein and a preparation method thereof. The animal feed provided by the invention is prepared by taking the chemically induced and intensively cultured microalgae as a protein source, modifying the protein source through succinylation and then synergistically compounding the modified protein source with a composite chelating agent. The content of microalgae protein in the feed prepared by the method reaches 20% or above of dry weight, the total protein content of the feed is greater than or equal to 28%, the protein digestion and absorption rate of animals is increased to 88% or above, and meanwhile, the animal immune function is effectively enhanced.

Method for adjusting activities of urease and sucrase in lumbricus intestinal tract

Resumen de: CN121549463A

The invention relates to the technical field of animal breeding, and discloses a method for adjusting the activity of urease and sucrase in lumbricus intestinal tracts. The invention provides application of microalgae in enhancing the activity of urease and sucrase in the intestinal tract of lumbricus, microalgae cell sap containing scenedesmus, chlorella or a combination of scenedesmus and chlorella is used after being mixed with a basic feed for culturing lumbricus, or is directly applied to a culture medium, so that the growth traits such as weight and length of lumbricus can be remarkably improved, and meanwhile, the growth of the lumbricus is improved. By improving the activities of urease and sucrase in the intestinal tract of the lumbricus, the digestion and metabolism efficiency of the lumbricus on a nitrogen source and a carbon source is effectively improved, the problems of low feed utilization rate and slow growth in breeding are fundamentally solved, the standardization and sustainable development of the lumbricus breeding industry are powerfully promoted, and a guarantee is provided for exerting the ecological and medical values of the lumbricus.

Carbon reduction system using microalgae

Resumen de: KR20260024283A

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

CELL CULTURE COMPOSITION CONTAINING MICROALGAE EXTRACT AND USE THEREOF

Resumen de: US20260049284A1

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

TOYS21 Novel microalga Tetradesmus obliquus TOYS21 and its culturing method

Resumen de: KR20260021871A

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

Self-cleaning bio-membrane reactor for microalgae cultivation

Resumen de: CN121538053A

The invention relates to the technical field of cooling towers, in particular to a self-cleaning bio-membrane reactor for microalgae cultivation. Comprising a culture sleeve, a support, a liquid inlet pipe, a liquid discharge pipe, an air inlet pipe and an exhaust pipe, two sets of cleaning mechanisms are arranged in the culture sleeve in an array mode, the cleaning mechanisms are communicated with the air inlet pipe, and the cleaning mechanisms are used for cleaning microalgae attached to the inner wall of the culture sleeve in the culture stage. Microalgae attached to the inner wall of the culture sleeve are scraped through rotation of the scraper, outer air holes in different positions of the scraper are alternately opened by means of periodic reciprocating movement of the air guide arc plate, directional release of air is achieved, the air released from the outer air holes can disperse the scraped microalgae, the microalgae are diffused into algae liquid, the situation that the local concentration is too high is avoided, and therefore the microalgae can be effectively degraded. And moreover, the released air can be located deep in the algae liquid, the air floating path is prolonged, the retention time is prolonged, and the disturbance effect on the algae liquid is remarkably improved.

Algae-light complementary microalgae culture system

Resumen de: CN223921382U

The utility model provides an algae-light complementary microalgae culture system, which comprises a photovoltaic cell module, the photovoltaic cell module comprises an electric sunshade net, a storage battery and a plurality of groups of solar photovoltaic panels, and the electric sunshade net and the plurality of groups of solar photovoltaic panels are electrically connected with the storage battery; the sewage storage and transportation module is located under the electric sunshade net and electrically connected with the storage battery, and the sewage storage and transportation module is used for sewage storage, sterilization and temperature control; the microalgae culture module is located under the electric sunshade net and connected with the sewage storage and transportation module, and the microalgae culture module is used for culturing target microalgae; the remote control module is electrically connected with the electric sunshade net, the sewage storage and transportation module and the microalgae culture module. The problems that a photovoltaic power generation technology mentioned in the background technology is low in space utilization efficiency, and smoke CO2 and waste water generated by a biomass power plant are difficult to treat are solved.

Storage device for converting light energy into electric energy in microalgae culture

Resumen de: CN223921386U

The utility model relates to a storage device for converting light energy into electric energy in microalgae culture, which comprises a support ring body and a culture container arranged in the support ring body, a motor is started to drive a driving tooth to rotate, and the driving tooth is meshed with a toothed ring body, so that the rotary ring body is rotationally adjusted; a plurality of fluorescent lamps at the top of the rotating ring body rotate around the culture container, microalgae in the culture container converts carbon dioxide and water into organic matters through photosynthesis under the action of the fluorescent lamps and generates oxygen and electrons at the same time, and the electrons can enter an alga variable photovoltaic cell through a wire group to be collected; light can be evenly irradiated in the microalgae culture pond, so that photosynthesis of microalgae is promoted, a rotating ring body is located on a plurality of supporting balls to rotate, the rotating ring body rotates to drive the supporting balls to rotate at the tops of the supporting columns respectively, auxiliary support is provided for rotation of the rotating ring body, and the supporting balls are all located in an annular guide groove. The friction force is reduced by rotating the rotating ring body.

Preparation method of microalgae Pickering emulsion

Resumen de: CN121534194A

The invention provides a preparation method of a microalgae Pickering emulsion, and relates to the technical field of Pickering emulsion preparation.The preparation method comprises the steps that prepared schizochytrium limacinum particles and spirulina particles are mixed with an oil phase and a water phase according to a preset proportion, and an intermediate solution is obtained; and homogenizing and mixing the intermediate solution for a preset time to prepare the microalgae Pickering emulsion, wherein the schizochytrium limacinum particles and the spirulina particles form a uniform and tightly connected network structure in the microalgae Pickering emulsion, so that the oil phase and the water phase form a stable three-dimensional structure system. The preparation method provided by the invention can effectively ensure the long-term storage stability of the Pickering emulsion.

Preparation method of Pickering emulsion with lutein embedded in microalgae

Resumen de: CN121533524A

The invention provides a preparation method of Pickering emulsion with lutein embedded in microalgae, and relates to the technical field of Pickering emulsion preparation.The preparation method comprises the steps that lutein is dissolved in oil to be mixed in a dark place, and an oil phase containing the lutein is obtained; schizochytrium limacinum particles and spirulina particles are dissolved in water, uniform stirring is performed, a water phase containing microalgae particles is obtained, and the microalgae particles comprise the schizochytrium limacinum particles and the spirulina particles; uniformly mixing the oil phase and the water phase to obtain a lutein-embedded Pickering emulsion; wherein the lutein is embedded by the Pickering emulsion, so that the lutein is physically isolated. According to the preparation method provided by the invention, through a Pickering emulsion system in which the lutein is stably embedded by the microalgae particles, not only is the bioavailability of the lutein improved, but also the application range of the microalgae emulsion is expanded.

Chlorella sorojin and application thereof

Resumen de: CN121538080A

The invention discloses chlorella sorojin and application thereof, and belongs to the technical field of microalgae biological fertilizers. The Chlorella sorokiniana is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.46635, the preservation date is September 15, 2025, the preservation address is Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, the postal code is 100101, and the Chlorella sorokiniana is classified and named as Chlorella sorokiniana. The screened chlorella sorojin can release substances capable of improving the growth quality of crops, and also has the effects of regulating soil microflora and releasing IAA (Indoleacetic Acid). The chlorella sorojin biological fertilizer can increase the nutrient content of soil, increase the oxygen content in the soil and promote the growth of beneficial microorganisms in the soil; the chemical fertilizer consumption is reduced; the crop growth quality is improved; and no pollution is caused to the environment.

Transgenic synechocystis strain with enhanced tolerance to various heavy metal ions and application of transgenic synechocystis strain in heavy metal sewage treatment

Resumen de: CN121538243A

The invention discloses a transgenic synechocystis strain with enhanced tolerance to various heavy metal ions and application of the transgenic synechocystis strain in heavy metal sewage treatment, and belongs to the technical field of sewage treatment. The transgenic synechocystis algal strain is constructed by integrating a superoxide dismutase A (SodA) gene of escherichia coli with a good oxygen stress resistance function into a synechocystis PCC6803 genome. Under the stress condition of heavy metal ions such as Cr < 6 + >, Pb < 2 + > and Cd < 2 + >, the transgenic synechocystis strain shows remarkable heavy metal ion tolerance. Compared with a wild type algal strain, the transgenic synechocystis algal strain has higher activity of superoxide dismutase (SOD) and catalase (CAT), and the content of phycobiliprotein, chlorophyll a and carotenoid is also maintained at a higher level. The invention provides a technical means for application of microalgae in heavy metal sewage treatment and physiological metabolism research.

Culture medium for cyanobacteria

Resumen de: PL449495A1

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

Carbon capture-based carbon sequestration microalgae-biofuel co-production system and working method thereof

Nº publicación: CN121513595A 13/02/2026

Solicitante:

HUANENG CLEAN ENERGY RES INST
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Resumen de: CN121513595A

The invention discloses a carbon capture-based carbon sequestration microalgae-biofuel co-production system and a working method thereof. According to the system, the carbon capture system provides a carbon source and a clean water source for the microalgae culture system, grease in microalgae is converted into biomass fuel oil through the biomass fuel oil production system, the biomass fuel oil provides fuel for the boiler system, the boiler system supplies heat to the microalgae culture system, flue gas generated by the boiler system enters the carbon capture system, and the carbon capture system is connected with the microalgae culture system. All the resources of all the systems are fully utilized, the energy consumption of the system is reduced while waste is treated with waste and utilized, the stability and flexibility of the system are improved, resource co-production and resource optimization are achieved, a new zero-emission industrial production mode is constructed, and efficient utilization of energy is achieved.