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164
resultados
Última actualización
06/05/2026 [08:18:00]
Resultados 100 a 125 de 164
Resumen de: CN223837400U
The utility model discloses a carbon source supply device for microalgae culture. The carbon source supply device comprises a high-speed motor, a motor connecting seat, a magnetic coupling motor disc, a shaft end locking nut, an isolation sleeve, a magnetic linkage coupling device disc, a magnetic linkage coupling device disc connecting key, a feeding disc, a rotating disc connecting key, a rotating disc locking nut, a fixed disc, a movable disc, a device barrel, a discharging disc and a rotating shaft, according to the device disclosed by the utility model, carbon dioxide gas and water are simultaneously introduced, gas-liquid mass transfer is enhanced in the device, an atomized state is formed, and then the carbon dioxide gas is introduced into a culture water body, so that the mass transfer effect of the carbon dioxide gas and microalgae in the water body is effectively improved, the escape rate of the carbon dioxide gas is reduced, and the utilization rate of the carbon dioxide gas is up to more than 95%; meanwhile, the air source operation cost of large-scale breeding is greatly reduced, and the air source operation cost is reduced by more than 50% on the basis of an original breeding mode.
Resumen de: CN121406428A
The invention discloses a microalgae intelligent photo-biological skylight control system suitable for cold region illumination adjustment, and belongs to the technical field of building skylights and environment adjustment. The problems that an existing skylight control system cannot achieve intelligent adjustment of indoor illumination and cannot actively absorb carbon dioxide to improve the building energy efficiency and the carbon emission reduction capacity are solved. A culture cavity is formed between an upper group of double-layer light-transmitting glass and a lower group of double-layer light-transmitting glass of a skylight unit, microalgae and a culture solution are contained in the culture cavity, and a lower dimming film is arranged on the lower surface of the lower-layer glass in the lower group of double-layer light-transmitting glass; in the cold region environment, automatic adjustment and optimization of indoor illumination can be preferentially achieved through intelligent regulation and control, carbon dioxide is fixed and biomass energy is produced through photosynthesis of microalgae, and finally the energy efficiency and the carbon emission reduction capacity of a building are improved. The method is mainly applied to intelligent adjustment of indoor illumination.
Resumen de: CN121406449A
The invention discloses a microalgae harvesting method and equipment based on membrane filtration, and relates to the field of microalgae cultivation. A microalgae harvesting method based on membrane filtration mainly comprises the following steps: step 1, pH value adjustment: adding an alkaline solution into a microalgae culture solution according to the type of microalgae, monitoring in real time by means of a pH sensor, regulating the pH of the microalgae culture solution to 6.5-8.5, maintaining good physiological activity and growth state of most microalgae in the pH range, and after the initial pH adjustment is completed, collecting the microalgae in the microalgae culture solution; removing high-valence ions in the microalgae culture solution by adopting an electrodialysis or cation exchange resin technology; the microalga culture solution is used for accurately adjusting pH, removing high valence ions and enhancing negative charges on the surface of the microalga, and the principle of homopolar repulsion with the ultrafiltration membrane with negative charges is utilized, so that the adsorption and deposition of the microalga on the surface of the membrane are effectively prevented, the membrane pollution degree is greatly reduced, the service life of a membrane assembly is prolonged, the membrane cleaning and replacing frequency is reduced, and the cost is reduced. And the operation cost is reduced.
Resumen de: CN223837417U
The utility model discloses a continuous microalgae harvesting system device which comprises a disc centrifuge and a shaft type filter device, the disc centrifuge comprises an algae liquid inlet, a nutrient solution primary liquid outlet and an algae slurry outlet; the shaft type filtering device comprises an algae slurry inlet, a shaft type filter, a compressed air forward blowing port, a nutrient solution secondary drainage port, a compressed air reverse blowing port, a bottom collecting port and a bin gate; an algae slurry outlet of the disc centrifuge is connected and communicated with an algae slurry inlet of the shaft type filtering device through a pipeline; the shaft type filter is communicated with an external nutrient solution storage tank through a nutrient solution secondary liquid outlet; the compressed air back-flushing opening is communicated with the shaft type filter through the nutrient solution secondary drainage opening; the compressed air positive blowing opening is communicated with the interior of the shaft type filtering device; and a bottom collecting opening and a bin gate are arranged at the bottom of the shaft type filtering device. The water content of the material finally treated by the system device disclosed by the utility model is very low, and when the material is dried, the consumed energy consumption is low, the waste of water resources is small, and the hardware investment cost is low.
Resumen de: CN121406719A
The invention discloses a novel biological preparation method of xylitol. The invention relates to a novel xylitol biological preparation method, which comprises the following step of biologically converting xylose into xylitol in a heterotrophic or polyculture mode of microalgae. According to the biological preparation method of the xylitol, xylose is converted into the xylitol through physiological and biochemical reactions of microalgae, the problems that energy consumption is high, efficiency is low, sustainable development is not facilitated and the like are solved, and meanwhile the harvested chlorella can be used for producing high-added-value products.
Resumen de: CN121377324A
The invention provides a treatment system and method for high-nitrogen low-carbon aquaculture tail water, the treatment system comprises at least two circulating beds, the circulating beds respectively comprise a first circulating bed and a second circulating bed, and each circulating bed comprises a filter tank, a middle tank, a symbiotic wet curtain and a circulating pipeline; the biological filter material located in the first circulating bed is inoculated with nitrifying bacteria, the biological filter material located in the second circulating bed is inoculated with denitrifying bacteria, the symbiotic wet curtain comprises a plurality of curtain cloths arranged at intervals, and the curtain cloths are formed by weaving hydrophilic modified fiber materials. Through the synergistic effect of the symbiotic wet curtain and the filter tank, the synergistic efficiency of bacteria and algae is improved, a huge attachment area and a stable growth space are provided for microorganisms such as nitrifying bacteria, denitrifying bacteria and microalgae through the symbiotic wet curtain, and attachment is provided for the nitrifying bacteria through the suspended aerobic filter material; the anaerobic filter material is used for adhering denitrifying bacteria, so that the loss of biomass is reduced.
Resumen de: CN223823447U
The utility model provides a fast biofilm culturing device for bacteria and algae membranes, which relates to the field of water treatment and comprises a culture tank (10), a cover plate (20) and an expanding culture-biofilm culturing reactor (30), first reflective layers (11) are uniformly arranged on the side wall of an inner cavity of the culture tank, and first luminous bodies (12) are uniformly arranged on the side surface of one side, far away from the culture tank (10), of each first reflective layer (11); a limiting ring (21) and a sealing ring (22) are arranged on the bottom surface of the cover plate (20); a second light reflecting layer (23) and a second luminous body (24) are arranged on the inner side of the limiting ring (21); the expanding culture-biofilm culturing reactors (30) are uniformly arranged in the inner cavity of the culturing tank (10), and a third luminous body (13) is arranged between every two adjacent expanding culture-biofilm culturing reactors (30). The device can realize rapid biofilm formation of microalgae, the biofilm formation time is short, the biofilm formation condition is controllable, and the treatment effect and efficiency of the circulating aquaculture water body are effectively improved.
Resumen de: CN121377302A
The invention discloses an organic wastewater treatment device and method based on a photosynthetic microbial fuel cell, the device comprises a light-transmitting shell, the middle part of the light-transmitting shell is fixedly connected with a closed partition plate, and the middle part of the closed partition plate is in rotary threaded connection with a separation membrane frame; by integrating the stirring blades and the reciprocating stirring assembly, the system forms a composite flow field in the cathode chamber, gas, liquid and solid interface mass transfer boundary layers are effectively destroyed, the distribution uniformity of dissolved oxygen and the material exchange efficiency among microalgae, a solution and electrodes are remarkably improved, the oxygen mass transfer process is further enhanced in combination with microbubbles released by the aeration assembly, and the aeration efficiency is improved. An optimal reaction environment is created for photosynthesis of microalgae, and a microalgae biological membrane is driven to continuously rotate by adopting a driving rotating shaft, so that the contact frequency and the mass transfer efficiency of the microalgae, air and cathode liquor are enhanced, and the electricity generation efficiency of the device is improved.
Resumen de: CN121377345A
The invention discloses a bacterial-algae symbiotic integrated culture tail water treatment system and method. The culture tail water treatment system comprises a regulating reservoir, a submersible sewage pump, a multi-stage coupling biochemical treatment unit and a shellfish purification unit, the submersible sewage pump is arranged at an outlet of the adjusting tank; the multi-stage coupling biochemical treatment unit comprises an aeration biochemical pool, a biological filter bed and an aerobic denitrification microalgae biological membrane unit which are sequentially connected in series; the biological filter bed takes a rice husk layer and a pelelith layer as biological carriers; the aerobic denitrification microalgae biological membrane unit comprises microalgae and functional bacteria, the functional bacteria are bacilli weldmanni and escherichia marmoreus, the microalgae fix CO2 and release oxygen through photosynthesis, and the functional bacteria degrade nitrides through heterotrophic nitrification-aerobic denitrification; the shellfish purification unit is arranged at the water outlet end of the multi-stage coupling biochemical treatment unit and is used for filtering residual microalgae and suspended particulate matters in the water body. The invention further provides a tail water treatment method, nitrogen and phosphorus are efficiently removed, energy consumption is reduced, secondary pollution is avoided, and resource utilization can be achieved.
Resumen de: CN223823585U
The utility model relates to the technical field of pipeline reinforcement, in particular to a linkage mechanism which comprises a frame body, a movable column, a screen mesh and a harvesting unit, the frame body is arranged on one side of the movable column, the screen mesh is arranged on one side of the frame body, the linkage unit is arranged on one side of the harvesting unit, the harvesting unit comprises an algae outlet pump, a recycling pool and a harvesting barrel, the algae outlet pump is arranged on one side of the recycling pool, and the harvesting barrel is arranged on one side of the recycling pool. The harvesting barrel is arranged on the other side of the recycling pool. The microalgae harvesting device has the advantages that the screen is automatically hung on the hooks or microalgae are automatically unloaded from the screen, the microalgae harvesting procedure can be carried out through a simple mechanical structure, and meanwhile labor cost and cost are saved through a linkage mechanism.
Resumen de: CN121377309A
The invention discloses a membrane coupling type microalgae reactor in the field of sewage treatment, and the membrane coupling type microalgae reactor comprises a water supply assembly used for supplying to-be-treated sewage; the first reactor is communicated with the water outlet of the water supply assembly, the first reactor comprises a rotatable biological membrane structure and an aeration structure, and the sewage is primarily treated through a biological membrane; the second reactor is communicated with the first reactor; the ceramic membrane separation unit is communicated with the second reactor and is used for carrying out cross-flow filtration on sewage discharged from the second reactor so as to realize collection of a biological membrane and microalgae and conveying the biological membrane back into the first reactor; the invention further discloses a sewage treatment method. The sewage treatment device has the beneficial effects that microalgae growth and biomass accumulation can be enhanced through two-stage mixed culture of the first reaction cylinder body and the second reaction cylinder body, illumination of the biological modified filler is more uniform, the sewage treatment performance is improved, and the device is lower in energy consumption.
Resumen de: CN121379820A
The invention belongs to the technical field of microalgae processing, and particularly discloses a low-concentration acid coupled gas blasting microalgae wall breaking method which comprises the following steps: mixing microalgae and a low-concentration acid solution, putting the mixture into a pressure-resistant reactor, and sealing the reaction kettle; introducing gas into the reactor to increase the system pressure to a preset value; then heating the reaction system to a preset temperature, and carrying out a stirring reaction; after the reaction is finished, the reactor is subjected to rapid pressure relief, and the microalgae wall breaking process is completed through rapid expansion of dissolved gas. The method is used for microalgae wall breaking, conditions are mild, wall breaking efficiency is high, energy consumption is low, equipment requirements are simple, operation is safe, and the problems that in the prior art, wall breaking efficiency is low, conditions are harsh, and the method is not suitable for industrial production can be solved.
Resumen de: CN121377430A
The invention discloses a microalgae low-cost cultivation and tail water ecological circulation treatment system, cultivation tail water is connected with a disc centrifuge through a pipeline after sequentially passing through a tail water adjusting tank, a microstrainer, an ozone disinfection cabinet and microalgae cultivation equipment, and the disc centrifuge is connected with a fresh algae tank through a pipeline; the disc centrifuge conveys the breeding wastewater to a water distribution channel in the multi-stage ecological purification-resource coupling system through another pipeline, the water distribution channel is sequentially connected with a hydroponic vegetable area, an emergent aquatic plant area and a submerged plant area, and the submerged plant area returns and conveys effluent to a tail water adjusting tank through a pipeline; and tail water circulation is realized. And the purified water can be reused in a microalgae culture link, so that a closed-loop circulation of aquaculture tail water-microalgae production-purification-reclaimed water reuse is formed, and the consumption of fresh water resources is greatly reduced. By integrating hydroponic vegetable planting and fish and shrimp breeding, an ecological chain of resource recycling is formed, and bidirectional extension of the added value of products is achieved.
Resumen de: CN121377353A
The invention discloses a method for reducing inhibition of free nitrous acid on toxicity of microalgae, and belongs to the technical field of biology and new medicine. In order to solve the problem that free nitrous acid (FNA) in a microalgae-nitrifying bacteria co-culture system destroys a microalgae photosynthetic system and inhibits growth, alpha-ketoglutaric acid with the final concentration of 0.5-1.0 mM is exogenously added into the microalgae-nitrifying bacteria co-culture system, so that carbon and nitrogen metabolism of microalgae is regulated and controlled, the tolerance of the microalgae to FNA is enhanced, the photosynthetic efficiency and biomass of the microalgae are remarkably improved, and the microalgae-nitrifying bacteria co-culture system can be used for preparing the microalgae-nitrifying bacteria co-culture system. The ammonia nitrogen removal rate and the system stability are improved; the method is easy and convenient to operate, low in cost, suitable for high-ammonia-nitrogen wastewater treatment and capable of assisting long-term stable operation of a phycomycete symbiotic system.
Resumen de: CN121377346A
The invention discloses a method for treating coking wastewater and synchronously producing grease by utilizing microalgae, which comprises the following specific processes: inoculating a microalgae Parachlorella kessleri FACHB-4 seed solution into coking wastewater with a specific dilution ratio, culturing to a logarithmic phase, then centrifugally collecting algae cells, then freeze-drying the algae cells, and then extracting grease; the chromaticity range of the coking wastewater is 300-400 Hazen, the COD range is 1200-1500 mg L <-1 >, the TP range is 7-8 mg L <-1 >, the NH3-N range is 500-700 mg L <-1 >, the dilution ratio of the coking wastewater is 50%-70%, and the culture conditions are as follows: the pH is 6.8-7.0, the culture temperature is 24-26 DEG C, the illumination intensity is 3500-4000 lux, the light-dark ratio is 12 h: 12 h, and the rotating speed of a shaking table is 140-160 r/min. The method provided by the invention can improve the water quality of coking wastewater and obtain grease for biological energy production at the same time.
Resumen de: CN223823446U
The utility model discloses a multi-gallery variable-tank-capacity microalgae photobioreactor which comprises a reaction tank, a first partition wall and a third partition wall are sequentially arranged in the reaction tank in the flow direction, the first partition wall and the third partition wall divide the reaction tank into a first-stage tank, a second-stage tank and a third-stage tank, a second partition wall located between the first partition wall and the third partition wall is arranged in the reaction tank, and the first-stage tank, the second-stage tank and the third-stage tank are sequentially arranged in the reaction tank. The second partition wall divides the second-stage tank into at least two second-stage sub-tanks, the second partition wall is of a telescopic structure, and the first partition wall and/or the third partition wall are/is horizontally and movably arranged in the reaction tank. The reactor has the beneficial effects that the reactor is simple in structure and low in manufacturing and using cost, the tank volume can be adjusted according to the sewage inflow, and it is ensured that the reactor is in an efficient operation interval; in the growth process of algae in the pond, nitrogen, phosphorus and other substances in sewage can be effectively utilized, and the content of nitrogen, phosphorus and other pollutants in the sewage is effectively reduced.
Resumen de: CN121370810A
The invention discloses a biomimetic thermophilic cyanobacteria stabilizer biological particle and a preparation method thereof. The biomimetic thermophilic cyanobacteria stabilizer biological particle comprises a polyphosphate-amino acid core particle and a phospholipid layer coated on the surface of the polyphosphate-amino acid core particle, the polyphosphate-amino acid core particles are divalent metal-polyphosphate-amino acid ternary ligands formed by self-assembly of polyphosphate and amino acid under the crosslinking action of divalent metal cations. The preparation method provided by the invention simulates a biosynthesis mechanism of a thermophilic cyanobacteria stabilizer, the bionic stabilizer is self-assembled and synthesized through a three-step method, and the preparation process is simple and suitable for large-scale production. The bionic stabilizer particles prepared by the invention are highly similar to natural stabilizers in chemical composition, structure and function, are high in purity, uniform in morphology and good in biocompatibility, have excellent thermal stability, can meet strict requirements in the fields of high-end biomedicine, health food and the like, and have huge application value and commercial prospect.
Resumen de: KR20260010791A
미세조류를 이용하여 이산화탄소를 포집하고, 산소를 배출하기 위한 공기 정차 장치가 개시된다. 상기 공기 정화 장치는 미세조류를 포함한 배양액이 상부를 통해 인입된 적어도 하나의 배양관과, 상기 적어도 하나의 배양관의 내부에 관 형태로 배치되어 상기 적어도 하나의 배양관 내부로 광원을 방출하는 적어도 하나의 광원 방출부와, 상기 적어도 하나의 배양관의 내부에 관 형태로 배치되어, 외부로부터 유입된 공기를 상기 적어도 하나의 배양관 내부로 방출하거나, 이하의 배양관 커버부로 공급하여 상기 적어도 하나의 배양관 내부로 방출하는 공기 방출부와, 상기 적어도 하나의 배양관의 상부에 결합되며, 상기 광원 방출부에 전압을 공급하고, 흡입된 공기를 상기 적어도 하나의 배양관 내부로 방출하거나, 상기 공기 방출부로 공급하는 배양관 커버부를 포함한다.
Resumen de: US20260022315A1
A system and method for growing microalgae capable of mixotrophic metabolism, preferably Chlorella sp. Microalgae grown in the system using the method are able to survive and grow in dark refrigeration, which allows the algae to be stored and transported for application as a live culture. In addition, the microalgae can be grown in sufficient quantities to be sold commercially for application to crops as a biostimulant.
Resumen de: WO2026019757A1
Provided herein are compositions and methods for treating and preventing inflammation and malnutrition. In particular, provided herein are compositions comprising spirulina and microalgae or marine oils and use of such compositions, for example, as nutritional supplements and meal replacements for use in treating and preventing disease, inflammation, and malnutrition.
Resumen de: WO2026018968A1
The present invention relates to: a Nostoc sp. strain of cyanobacteria that produces 2-methylisoborneol; and a method for culturing same. The Nostoc sp. strain according to the present invention is the first ever Nostoc sp. strain that produces 2-methylisoborneol, and considering the positive effect that 2-methylisoborneol has on the human body and the fact that 2-methylisoborneol is also used as a raw material for perfume, the HNIBRCY4 strain, which is an edible Nostoc sp. strain capable of being mass-produced, can be effectively used to produce 2-methylisoborneol.
Resumen de: GB2642749A
A method for producing a high value product (HVP), wherein the method comprises: (a) a first algal culture phase, comprising culturing marine HVP-producing microalgae in a first series of connected raceway ponds, maintained in the exponential growth phase by successive dilution with seawater and nutrient addition; (b) a second algal culture phase, comprising culturing the algae in one or more induction raceway ponds (that are connected to the first series of connected raceway ponds in which algae are cultured in step (a)), wherein the algae are cultured under stress conditions that induce the algae to increase HVP production; (c) a harvest phase, comprising harvesting algae from one or more of the induction raceway pond(s) in which algae are cultured in step (b); and (d) an extraction phase, wherein the extraction phase comprises extracting the HVP from the algae harvested in step (c). Also a raceway pond system comprising: (a) a linear series of connected raceway ponds comprising a first stage comprising one or more covered raceway ponds 210A-210D and a second stage comprising one or more open raceway ponds 210E; and (b) at least two series of induction raceway ponds that are connected, in parallel, to the final raceway pond of the linear series of connected raceway ponds.
Resumen de: CN121362717A
The invention discloses a transgenic synechocystis strain with enhanced stress resistance to various heavy metal ions as well as a construction method and application of the transgenic synechocystis strain, and belongs to the technical field of microorganisms. The transgenic synechocystis algal strain is constructed by integrating a cyanobacteria high expression promoter and a gene HMP3 of a human metallothionein artificial mutant into a synechocystis PCC6803 genome. Detection shows that the transgenic synechocystis strain shows remarkably enhanced stress resistance under the stress condition of heavy metal ions such as Cr < 6 + >, Pb < 2 + > and Cd < 2 + >. 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 an effective method for constructing a transgenic synechocystis strain resistant to stress of various heavy metal ions, and provides a technical means for application of microalgae in heavy metal sewage treatment.
Resumen de: CN121362641A
The invention discloses a microalgae polyculture method for adjusting supply of an organic carbon source through dissolved oxygen content feedback and application, and belongs to the technical field of microalgae culture, the method comprises the following steps: an autotrophic stage: introducing air into a culture reactor, and enabling cells to reach a certain concentration through autotrophic growth; in the polyculture stage, ventilation is stopped, dissolved oxygen is monitored in real time, starting and stopping of an organic carbon source pump are dynamically adjusted, and mixed nutrition is achieved; and continuous production: setting a dilution rate, continuously harvesting, supplementing the culture medium, and continuously operating. The addition of an organic carbon source is accurately controlled through the concentration feedback of dissolved oxygen, the photosynthetic and heterotrophic metabolism rates are matched, no net oxygen production (stable DO) is ensured, oxygen self-balance in the system is realized, and finally, the conversion rate of carbon is greatly increased and can reach 0.85 or above. According to the method, the microalgae productivity is remarkably improved under the condition of no gas exchange, and a new thought is provided for large-scale culture with low energy consumption and high carbon efficiency.
Nº publicación: CN121362584A 20/01/2026
Solicitante:
XINJIANG JINZHENG BIOTECHNOLOGY CO LTD
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Resumen de: CN121362584A
The invention discloses a biological cushion material based on microalgae, a preparation method of the biological cushion material and application of the biological cushion material in sandy soil improvement, and belongs to the technical field of agricultural ecological restoration. The preparation method of the biological cushion material comprises the following steps: (1) adding a microalgae suspension into a reaction kettle, adding glycerol according to the proportion, heating to 38-42 DEG C, stirring and dissolving, adding cationic starch, and stirring and mixing uniformly; and (2) adding polyurethane into the material prepared in the step (1), uniformly stirring, then adding sodium lignin sulfonate, reacting for 10-14 minutes at a constant temperature, and filtering the mixed liquid to obtain the biological cushion material. The microalgae is prepared from chlorella sorokiniana (Chlorella sorokiniana), Anabaena sp.) and Nodulcia cf.Harveyana (Nodulcia cf.Harveyana) according to a quantity ratio of 60: 20: 20, and the microalga is prepared from chlorella sorokiniana (Chlorella sorokiniana), Anabaena sp.) and Nodulcia cf.Harveyana (Nodulcia cf.Harveyana). The concentration of microalgae in the microalgae suspension is 1 * 10 < 6 >-1 * 10 < 7 >/mL; the addition amounts of the glycerol, the cationic starch, the sodium lignin sulfonate and the polyurethane are respectively 1 to 1.5 weight percent, 2 to 3 weight percent, 0.6 to 1 weight percent and 10 to 30 weight
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