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141
resultados
Última actualización
17/05/2025 [08:09:00]
Resultados 75 a 100 de 141
Resumen de: CN222499090U
The utility model relates to the technical field of microalgae photobioreactors, and discloses a slow flow thin layer type photobioreactor which comprises a supporting frame and a water tank container installed on the supporting frame, the water tank container is arranged in an inclined mode, and a plurality of baffles which are arranged in a staggered mode are arranged in the water tank container in an array mode in the extending direction. Through cooperation of the baffles which are arranged in the water tank container and are arranged in a staggered mode, the flowing track of algae liquid is in an S shape, the flowing path of the algae liquid is greatly increased, and the retention time of the algae liquid in the water tank container is prolonged; the flow velocity required for maintaining the algae liquid with the same thickness is obviously smaller than that required when the baffle plates are not arranged, so that the energy consumption caused by overhigh flow velocity can be reduced, and the energy consumption can be greatly reduced by adjusting the distance between the two adjacent baffle plates and the width of the water tank reactor.
Resumen de: CN119454566A
The invention relates to a biological oxygen therapy and antioxidation dual-strategy soluble microneedle as well as a preparation method and application thereof, and belongs to the technical field of medicines. The microneedle is an integrated soluble microneedle and comprises a matrix formed by a water-soluble polymer and a compound which is uniformly dispersed in the matrix and formed by microalgae and metal organic framework nano-enzyme, the compound formed by the microalgae and the metal organic framework nano-enzyme is a compound of a'core-shell 'structure, the metal organic framework nano-enzyme serving as the shell is wrapped on the surface of the microalgae serving as the core. The microneedle disclosed by the invention has the capability of rapidly resisting oxidation in situ and continuously and deeply conveying oxygen, is widely applied to preparation of medicine design or preparations for treating tumors, promoting wound healing, regulating an inflammation microenvironment, treating skin burns and scalds and removing scars, and is good in patient applicability; and the preparation process is green, environment-friendly, simple, rapid, mild in condition and suitable for large-scale production.
Resumen de: CN119452855A
The invention discloses an ecological fertilization planting method and system for increasing the selenium content in rice, and relates to the field of ecological fertilization planting, and the ecological fertilization planting method comprises the following steps: establishing a microalgae culture pond, and culturing a specific microalgae variety capable of enriching selenium by using a selenium-rich water supply system; analyzing plant electric signal characteristics of rice corresponding to different selenium contents in each growth stage, and establishing a plant selenium absorption electric signal reaction mode library; optimizing and adjusting the application amount of microalgae liquid supplied to the paddy field by utilizing an intelligent irrigation system based on a matching result of a reaction mode library of a rice plant electric signal and a plant selenium absorption electric signal detected in real time; the residual selenium-rich microalgae liquid flows back to the culture pond to be recycled, and the selenium supplementing amount of the microalgae culture pond is dynamically regulated and controlled.
Resumen de: CN119464003A
The invention relates to a fish embryo-based high-concentration cyanobacteria toxin development toxicity evaluation device and method, and relates to the technical field of pollutant toxicity analysis, the device structure comprises a base and an electric guide rail mechanism 1; the carrier is arranged on the first electric guide rail mechanism in a sliding mode, a movable oscillation base is arranged on the carrier, a plurality of perforated plates used for placing fish embryos are arranged on the movable oscillation base, and a lighting structure is arranged at the position, located below the movable oscillation base, of the carrier; the liquid injection unit is used for injecting cyanobacteria toxin working solutions with different high concentrations into the porous plates, and an observation unit is arranged at the top of the incubation chamber; and the adjusting shading unit is arranged between the lighting structure and the perforated plate. The evaluation device provided by the invention is convenient to use, reduces the labor intensity of workers, improves the working efficiency, and facilitates large-scale and high-efficiency evaluation and analysis of the fish embryonic development toxicity of the high-concentration cyanobacteria toxin.
Resumen de: CN119461667A
The invention discloses a method for relieving microalgae high-temperature stress and improving sewage treatment performance by utilizing a ferroptosis inhibitor. According to the method, a ferroptosis inhibitor Fer-1 is added into a microalgae growth environment, so that Fer-1 fully enters microalgae cells, and then the ferptosis inhibitor Fer-1 is applied to sewage treatment. According to the method, the ferroptosis inhibitor Fer-1 is added to regulate and control the way of programmed cell death of the microalgae, so that the inhibition effect of high temperature on the growth of the microalgae is remarkably relieved, the balance of an intracellular oxidation-anti-oxidation system is effectively maintained, the influence of a lipid metabolism way of the chlorella is relieved, high-temperature stress resistance is realized, and the yield of the chlorella is improved. Meanwhile, the nitrogen and phosphorus removal performance of the sewage is improved, the removal rates of ammonia nitrogen and phosphorus are improved by 44.50% and 30.72% respectively, and the method has important application value for effectively protecting microalgae cells under the extreme temperature condition and promoting low-carbon resourceful treatment of the microalgae in the sewage.
Resumen de: KR20250022553A
본 발명은 수처리 담체를 3D 프린팅하기 위한 3D 프린팅용 바이오잉크에 관한 것으로, 3D 프린터의 니들에서 출력되어 수처리 담체를 이루는 알지네이트 하이드로겔; 및 상기 알지네이트 하이드로겔에 혼합되어, 수처리 과정에서 폐수에 포함된 질소(N)와 인(P)을 제거하는 미세조류가 포함되어 이루어져, 미생물 고정화 기술에 3D 바이오 프린팅 기술을 적용하여 기존의 미생물 고정화 기술의 문제점을 극복할 수 있는 기능적이고 구조 안정적인 미세조류 고정화 담체를 제조할 수 있는 미세조류 수처리 담체 제조를 위한 3D 프린팅용 바이오잉크를 제공한다.
Resumen de: CN119430494A
The invention discloses a preparation method of a bacteria-algae symbiotic filler, which specifically comprises the following steps: adding an activated sludge dispersion liquid into a reactor filled with a filler, operating for 7-10 days under an aeration condition, and introducing simulated tail water in the operation process; then chlorella is inoculated according to the volume ratio of the activated sludge dispersion liquid to the chlorella dispersion liquid being 1: (5-50), operation is conducted for 14-20 days at the temperature of 22-30 DEG C under illumination, and the light-dark ratio is that illumination is conducted for 6-12 h, and darkness is conducted for 12-18 h; tail water of the simulated sewage plant is introduced in the operation process; the filler hung with the algal-bacterial symbiotic biological membrane is obtained. In the formed algal-bacterial symbiotic membrane, the microalgae can promote enrichment of nitrogen and phosphorus removal flora and organic matter metabolism functional flora, and bacteria can improve the photosynthesis performance and carbon sequestration performance of the microalgae through material exchange, information transfer and other ways, so that the algal-bacterial symbiotic system can efficiently purify N/P/organic matter in a water body; meanwhile, the emission of greenhouse gas is reduced. The invention also discloses a filler composite structure based on the algal-bacterial symbiotic filler.
Resumen de: CN119432556A
The invention provides a microalgae cell multistage sorting device based on dielectrophoresis controllable sheath flow. The microalgae cell multistage sorting device comprises a flow channel structure and an electrode substrate which are packaged in a bonding mode. The flow channel structure comprises a liquid inlet, a spiral flow channel, a sudden expansion structure, a first branch flow channel, a second branch flow channel, a deterministic lateral displacement flow channel, a first liquid outlet, a second liquid outlet and a third liquid outlet; the liquid inlet is communicated with the spiral runner; the first branch flow channel and the second branch flow channel are connected to the two ends of the split sudden expansion structure in series. The deterministic lateral displacement runner is connected to the tail end of the second branch runner in series; a second liquid outlet and a third liquid outlet are formed in the tail end of the deterministic lateral displacement runner; the electrode substrate comprises a substrate body and an electrode group; and the electrode group is arranged at the front end of the deterministic lateral displacement runner. According to the invention, sheath flow is accurately controlled through an electrode structure, and high-flux and high-purity separation of single microalgae cells from a mixed solution of three microalgae with different sizes is realized by combining high flux of inertial spirals and high precision of deterministic later
Resumen de: CN119432611A
The invention discloses a system and a method for improving oil yield and cadmium removal rate of microalgae under cadmium stress, and belongs to the technical field of biological engineering. According to the method, a mixotrophic culture mode is adopted, and algae species mixotrophic culture is carried out, so that algae cells rapidly grow in a short time and are cultured to a logarithmic growth expectation for later use; and applying cadmium stress by using the same mixotrophic mode, and simultaneously adding exogenous fulvic acid to induce microalgae to grow and accumulate grease. According to the method, a mixotrophic culture mode is adopted, under the stress of 0.2 mu M Cd, when the concentration of fulvic acid is 40mg/L, the biomass, biomass yield and grease yield of the microalgae are respectively improved by 20.22%, 20.32% and 26.55% compared with those of single cadmium treatment, and the cadmium removal rate is 100% and is improved by 16.6% compared with that of single separation treatment. According to the method, the biomass and grease yield of the microalgae can be improved, meanwhile, removal of cadmium is increased, and a new theoretical basis is provided for co-production of grease by treating cadmium-containing wastewater through the microalgae.
Resumen de: CN119432664A
The pseudomonas with the oscillatoria dissolving characteristic is characterized in that the pseudomonas is named as Pseudomonas sp GangLiHuanBao-Z1, the preservation unit is China General Microbiological Culture Collection Center (CGMCC), the address is Beijing, China, the preservation number is CGMCC No.32315, and the preservation date is October 23, 2024. The invention further discloses a preparation method of the pseudomonas with the oscillatoria dissolving characteristic, and the pseudomonas with the oscillatoria dissolving characteristic is characterized in that the pseudomonas is named as Pseudomonas sp GangLiHuanBao-Z1. Further assistance can be provided for effective control of cyanobacterial bloom, and meanwhile, the bacterial strain disclosed by the invention is a safe, environment-friendly and harmless bacterial strain and has a relatively good application prospect in the field of ecological restoration.
Resumen de: CN119432936A
The invention discloses a method for purifying tetracycline and efficiently producing oil by using microalgae in a cross-temperature zone, and belongs to the field of microalgae bioengineering. The invention aims to solve the technical problem of tetracycline pollution in the current cold region water environment. The method comprises the following steps: preparing a seed solution for microalgae culture, inoculating the seed solution into a BG-11 culture medium containing tetracycline, culturing until the logarithmic growth later stage of microalgae, centrifugally collecting algae cells, freeze-drying and weighing, and extracting grease in dry algae powder by utilizing an ultrasonication combined organic solvent method. The method disclosed by the invention is simple to operate, can be used for producing biological energy and adsorbing and degrading tetracycline under the low-temperature treatment condition by utilizing the microalgae, meanwhile, the stress resistance of the microalgae under the low-temperature condition is improved, the permeability of algae cells is regulated and controlled, and the production of the microalgae biological energy is promoted. The method disclosed by the invention is used for purifying tetracycline in cross-temperature zones and efficiently producing oil.
Resumen de: CN119425368A
The invention discloses a supercritical water treatment device with a microalgae carbon sequestration function and a use method of the supercritical water treatment device, and relates to the technical field of pollution treatment. Waste gas output by the supercritical water treatment system is introduced into the microalgae culture system for carbon sequestration, the pipeline type microalgae culture system is used for culturing microalgae, and magnetic force is used for controlling a cylindrical block to move in a pipeline so as to timely and effectively clean algae cells adhering to the wall; the supercritical water treatment device has the technical effects that the supercritical water treatment device can treat pollutants, can also perform carbon sequestration treatment on waste gas obtained through treatment, can automatically clean algae cells attached to the wall, and is simple to maintain and high in treatment efficiency.
Resumen de: CN119430497A
The invention discloses application of microalgae in removal of selenium in a water body. The invention relates to a result obtained based on the fact that the inventor finds that Coelavastrum sp.GX03 has the effect of removing selenium. The strain can grow in the selenium-polluted water body and can efficiently remove selenium, so that the strain has the application potential of removing selenium in the water body.
Resumen de: CN119432612A
The invention provides an algae combined treatment method, which relates to the technical field of bioengineering, and comprises the following steps: selecting microalgae seeds; inoculating the microalgae seeds into a conical flask of a Basal culture medium; culturing under a dark condition; and after the microalgae seeds are cultured to a plateau stage, supplementing plant hormones and a nitrogen source, and culturing to obtain the microalgae. The algae combined treatment method provided by the invention can effectively stimulate microalgae in a plateau phase, so that the total carotenoid content and the xanthophyll content can be effectively increased.
Resumen de: CN119432568A
The invention discloses a ladder type microalgae bio-membrane reactor, which belongs to the technical field of microalgae carbon sequestration and emission reduction, and comprises a box body unit, the microalgae growth unit is arranged in the box body unit, the cross section of the microalgae growth unit is of a stepped structure, the microalgae growth unit comprises a biological membrane substrate, and a microalgae biological membrane is arranged on the surface of the biological membrane substrate; the bearing unit is used for supporting the microalgae growth unit; the conveying unit is used for conveying sewage and air; and the auxiliary growth unit is arranged below the microalgae growth unit and is used for accelerating the growth of the microalgae. By adopting the biological membrane substrate with the step-shaped structure, the occupied area of microalgae emission reduction can be reduced, the space utilization rate is increased, the biomass yield of the microalgae biological membrane in unit occupied area is finally increased, and meanwhile, carbon dioxide is fixed to the maximum extent and nitrogen and phosphorus pollutants in water are purified to the maximum extent.
Resumen de: WO2025034170A1
There is provided a method of cultivating microalgae, the method comprising: inoculating a culture of microalgae into an inoculum in a bioreactor; and growing the culture of microalgae, the growing comprising feeding a feed medium to the inoculum, wherein the feed medium comprises carbonate solution as a carbon source, and wherein the growing comprises growing the cultivated microalgae in the presence of a quantum dot- comprising light conversion film. There is also provided an apparatus for cultivating microalgae.
Resumen de: WO2025032068A1
The present invention relates to a process for producing propylene and to a cyanobacterial cell for the production of propylene.
Resumen de: CN119409335A
The invention relates to the technical field of sewage treatment, in particular to a multi-stage constructed wetland-ecological pond system for synchronously and intensively removing nitrogen and phosphorus. A first-stage constructed wetland, a second-stage ecological pond and a third-stage constructed wetland which are sequentially connected in a falling manner are arranged in the system, and the first-stage constructed wetland and the third-stage constructed wetland are both horizontal subsurface flow type constructed wetlands; wetland plants are planted in the first-stage constructed wetland and the third-stage constructed wetland; ecological pond plants are planted in the second-stage ecological pond through floating rafts, non-woven fabric is arranged below the floating rafts, and microalgae are enriched on the non-woven fabric; according to the invention, an alternating anaerobic/anoxic-aerobic-anaerobic/anoxic environment formed by each stage of system is utilized to enhance the removal of oxidation-state and reduction-state nitrogen and the absorption and removal of phosphorus, the removal rate of ammonia nitrogen can reach 98%, the removal rate of nitrate nitrogen can reach 98.8%, the removal rate of total nitrogen can reach 98.07%, the removal rate of COD (Chemical Oxygen Demand) can reach 85.02%, and the removal rate of total phosphorus can reach 78%; wide application prospects are realized.
Resumen de: CN119410461A
The invention relates to the technical field of heat energy recovery, in particular to a condensed water heat energy recovery device based on biotechnology, which comprises a microalgae biological reaction tank for providing growth space for microalgae, the microalgae biological reaction tank is provided with microalgae and a nutrient solution, and the top of the microalgae biological reaction tank is fixedly provided with a top cover; the heat exchange assembly is arranged in the microalgae biological reaction tank and is used for uniformly exchanging heat; and the heat exchange assembly comprises a driving shaft which is rotationally connected in the top cover through a bearing. The middle part of the heat exchange pipe is flat, so that the circulation speed of condensed water can be delayed, the heat exchange time of the condensed water is prolonged, the heat exchange efficiency is improved, and meanwhile, when the heat exchange pipe rotates in the microalgae biological reaction tank, heat can be uniformly distributed in the microalgae biological reaction tank, and the heat exchange efficiency is improved. And meanwhile, the brush on the inner wall of the cleaning rubber sleeve moves up and down to clean dirt generated by microalgae growth on the surface of the heat exchange tube, so that the heat exchange efficiency of the heat exchange tube is effectively improved.
Resumen de: CN119410342A
The invention provides a preparation method of a microalgae-SiO2 bio-based nanofluid dust suppressant, which comprises the following steps: (1) microalgae culture: using a BG-11 culture medium, sterilizing, cooling, inoculating microalgae, carrying out 7-day light/dark cycle culture, and finally filtering and collecting microalgae cells; (2) active component extraction: cleaning microalgae cells, and performing centrifugation, filtration and rotary evaporation treatment through ultrasonic disruption, enzymolysis and a microwave-assisted chloroform-methanol mixed extraction method to obtain microalgae active components; (3) synthesis of SiO2 nanoparticles: mixing the SiO2 precursor with deionized water, adjusting the pH value and diluting, adding microalgae active components, oscillating at a constant temperature, centrifugally separating and purifying the SiO2 nanoparticles; and (4) preparation of the nanofluid dust suppressant: mixing the SiO2 nanoparticles, the microalgae active component and the dispersing agent in water in proportion to prepare the microalgae-SiO2 bio-based nanofluid dust suppressant. The invention is expected to solve the limitation of the traditional dust suppressant, and provides a novel, efficient and environment-friendly dust suppressant preparation method.
Resumen de: CN119410486A
The invention provides a chlorella mutant strain and application thereof in production of EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), and belongs to the technical field of microalgae biology. The Chlorella sp. Mutant strain M41 provided by the invention is preserved in the China General Microbiological Culture Collection Center on October 18, 2024, the preservation date is October 18, 2024, and the preservation number is CGMCC No. 46154. The Chlorella sp. Mutant strain M41 provided by the invention has the advantages that the preservation number is CGMCC No. 46154; the invention further provides a culture medium and a production method suitable for the chlorella mutant strain M41, and high yield of EPA and DHA is achieved.
Resumen de: CN119410457A
The invention discloses a mine microalgae carbon sequestration emission reduction and resource recycling system. The system comprises eight modules including a microalgae culture and closed pipeline photobioreactor microalgae culture module, a CO2 capturing and conveying module and a microalgae after-harvesting and processing module. The prepared culture medium and CO2 captured by an air return way are injected into a closed pipeline photobioreactor through a conveying pipeline, and the closed pipeline photobioreactor is provided with various sensors. Monitoring data are uploaded to the intelligent data analysis and optimization module for analysis and processing, and solution filling and environment parameters are intelligently adjusted through the intelligent monitoring and automatic control module; and collecting combustible gas generated by anaerobic fermentation of the microalgae, processing the primarily screened microalgae, and filtering the mine wastewater. According to the method, efficient culture of mine microalgae, efficient emission reduction and resource utilization of CO2 in a mine return airway and cyclic utilization of wastewater can be achieved, the green and low-carbon sustainable development concept is met, and a new solution is provided for the technical field of mine carbon dioxide emission reduction.
Resumen de: CN119410530A
The invention provides an immobilized algal-bacterial symbiotic system and application thereof in harmless treatment of spiramycin production wastewater, and belongs to the technical field of environmental microorganisms. The algal-bacterial symbiotic system comprises bacillus subtilis with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No. 15560 and microcystis aeruginosa FACHB-315. The immobilized microorganism product prepared from the algal-bacterial symbiotic system and the biological adsorption carrier ball has the following advantages: (1) the floatability of microalgae cells and the negative effects caused by discharge of free cells into natural water can be overcome; (2) the SPI removal rate can reach 98.49%, and the SPI removal capacity is high. Therefore, the method can effectively reduce ecological hazards and the like caused by the SPI entering the environment.
Resumen de: CN222454978U
A microalgae culture shelf comprises a support, a plurality of storage box bodies are installed on the support, and a first shading plate is connected to the middle of the bottom of the inner side of each storage box body. The stepping motor can drive the electric push rod to reach the target culture compartment, then the electric push rod can push the culture box into the storage area from the culture compartment, illumination of the algae in the culture box is finished, and therefore experimenters can conveniently control the illumination time of the algae in the culture box.
Nº publicación: CN222455038U 11/02/2025
Solicitante:
DEZHOU DIFULAI BIOTECHNOLOGY CO LTD
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Resumen de: CN222455038U
The utility model relates to the technical field of microalgae culture, in particular to a microalgae culture and collection device which comprises a culture box, a PLC (programmable logic controller) fixedly connected to the right side of the culture box, a box cover arranged at the top of the culture box, a handle fixedly connected to the center of the top of the box cover, a plant illumination lamp fixedly connected to the bottom of the box cover, and connecting blocks fixedly connected to the front side and the rear side of the box cover. The top of the front end of the incubator is fixedly connected with a water inlet pipe, the outer side of the water inlet pipe is fixedly sleeved with a first electric control valve, the bottom of the front end of the incubator is fixedly connected with a drainage pipe, the outer side of the drainage pipe is fixedly sleeved with a second electric control valve, a microalgae culture and collection mechanism is arranged in the incubator, and an aeration mechanism is arranged at the bottom end in the incubator. The water temperature is automatically adjusted, the growth speed of the microalgae is further increased, carbon dioxide can be provided for better photosynthesis of the microalgae, and culture of the microalgae is facilitated.
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