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169
resultados
Última actualización
01/09/2024 [07:59:00]
Resultados 150 a 169 de 169
Resumen de: CN220951723U
The fermentation device comprises a fermentation tank, the bottom of the fermentation tank is connected with a separation box, the top of the fermentation tank is provided with a feeding port, one side of the feeding port is provided with a first motor, the output end of the first motor is connected with a stirring shaft, the two sides of the stirring shaft are symmetrically connected with scrapers, and the scrapers are connected with a second motor. The bottom of the fermentation tank is fixedly connected with a communicating pipe, one end of the separation box is provided with a second motor, the other end of the separation box is fixedly connected with a discharging pipe, the bottom of the separation box is provided with a liquid discharging pipe, the output end of the second motor is connected with a rotating shaft, and the rotating shaft is provided with a spiral blade. A separation cylinder is fixedly installed at the end, close to the second motor, in the separation box, and one end of the separation cylinder is connected with a conical cylinder. The device is reasonable in design, can effectively increase the stirring speed of selenium-rich microalgae and hovenia acerba, can realize automatic separation of selenium-rich microalgae hovenia acerba wine and vinasse, and is high in practicability.
Resumen de: CN118006432A
The invention provides a preparation method of a biologically-induced hollow fiber membrane and a CO2 trapping microalgae culture reactor, which comprises the following steps: by taking a hollow fiber membrane with a large surface area as a base material, fixing a biologically-friendly induced amplification growth factor on the surface of the hollow fiber membrane, and under the dual synergistic effect of supplying a CO2 carbon source by mass transfer and diffusion in the membrane and the induced amplification growth factor on the surface of the membrane, separating the CO2 from the hollow fiber membrane. Microalgae in the water body are implanted, propagated and amplified on the surface of the membrane; the biological-friendly induced amplification growth factor on the surface of the membrane has excellent CO2 mass transfer rate, so that the concentration of CO2 on the surface of the membrane is improved, and the carbon sequestration and microalgae culture efficiency is further improved. According to the CO2 trapping microalgae culture reactor, unique inner and outer surface interfaces and the characteristic of high specific surface area of the hollow fiber membrane are fully utilized, gas-phase CO2 in an inner cavity of the membrane and liquid-phase culture water outside the membrane are divided into a gas phase and a liquid phase, CO2 is transferred and diffused to the surface of the membrane from the inner cavity of the hollow fiber membrane to provide a carbon source for
Resumen de: ES2968529A1
The present invention relates to an integrated bioprocess for the mixotrophic induction of astaxanthin (ATX) accumulation in Haematococcus lacustris, comprising, at least, the following steps: autotrophic culture growth under standard conditions; mixotrophic induction of ATX accumulation in photobioreactor; biomass harvesting and drying under standard conditions; and ATX extraction under standard conditions. The use of this integrated bioprocess enables cultivation without sanitary, seasonal, climatic or geographical constraints.
Resumen de: CN118006723A
The invention discloses a quantitative judgment method for a river water backflow proportion in water inlet of a sewage plant, and belongs to the technical field of municipal drainage pipe networks. The method comprises the following steps: step 1, microalgae pre-culture: drawing a curve of the optical density of a river water sample and the mass concentration of microalgae as a standard curve; step 2, sampling: collecting a river water sample in a river flow section within the pollutant holding range of the sewage plant, and collecting a sewage sample in a water collecting well before the sewage plant enters the plant; 3, preparing a river water sample to be cultured and a sewage sample to be cultured; step 4, carrying out enlarged culture; and 5, calculating the river water backflow proportion. The invention provides the low-cost and high-efficiency calculation method for the river water backflow proportion in the water inlet of the sewage plant. Through an enlarged culture method, the concentration difference of microalgae in sewage and river water is amplified, the river water backflow proportion is calculated more accurately and visually, the difficulty of direct in-situ measurement of the concentration of microalgae in sewage is solved, and meanwhile guidance is provided for actual repair work of a municipal sewage pipe network.
Resumen de: CN220916212U
The utility model discloses a liquid bait feeding system for shellfish fry breeding, which belongs to the field of marine shellfish fry breeding and intelligent agriculture and comprises a support system, a bait pipe, a microalgae breeding pond, a submersible pump, an electromagnetic valve, a shellfish breeding pond, an electromagnetic valve controller and a terminal control system. The support system is arranged above the shellfish cultivation ponds and used for fixing the bait pipes, the bait pipes are fixed on the support system, the bait pipes are communicated to the positions above the shellfish cultivation ponds from the microalgae cultivation ponds, electromagnetic valves are installed on the bait pipes, and the electromagnetic valve controller and the terminal control system are connected in a wired or wireless mode. According to the method, unmanned operation of bait feeding is achieved through a support system covering the whole workshop and setting of the opening and closing time of an electromagnetic valve, the labor intensity is reduced, and the method has the advantages of saving time and labor, being uniform in feeding amount and accurate in feeding time.
Resumen de: WO2024094905A1
The present invention relates to a floating photobioreactor with an oval spheroidal shape, which is designed for the cultivation of microalgae in aquatic media. The photobioreactor is subdivided into two main bodies, namely an upper semispheroid (2) and a lower semispheroid (1). The photobioreactor comprises conventional means for the joining and leaktightness thereof, further comprising gas exchangers, as well as a solar lamp. The inner surface of the lower semispheroid is highly reflective and this semispheroid is provided with thermally insulating means in the form of a removable cover. Its rigid but hydrodynamic design enables better use of wave energy for fluid mixing and renewal, thereby lowering the energy and economic costs and environmental impact associated with the cultivation of microalgae.
Resumen de: CN118006433A
The invention discloses a circular microalgae reactor, which belongs to the field of microalgae biotechnology, and comprises a transparent cylindrical reaction tank, the upper end and the lower end of the cylindrical reaction tank are respectively provided with a feed port and a discharge port, the cylindrical reaction tank is internally provided with a stirring mechanism, the cylindrical reaction tank is provided with an annular illumination mechanism, and the annular illumination mechanism is provided with a light source. The annular illumination mechanism comprises an annular flexible light guide plate and an LED lamp arranged on the annular flexible light guide plate. Microalgae culture solution and microalgae are added into the cylindrical reaction tank through the feed port, the annular flexible light guide plate and the LED lamp which are arranged on the cylindrical reaction tank provide enough light sources for the circular microalgae reactor, and the flexible light guide plate has the advantages of high luminous efficiency and low power consumption under the condition of equal area luminance; the circular microalgae reactor provided by the invention can fully utilize light, and the specific surface area of the circular microalgae reactor is higher than that of other microalgae reactors.
Resumen de: CN220926733U
The utility model relates to the technical field of reaction containers, in particular to a microalgae culture bioreactor, which comprises a reaction container used for containing cultured microalgae, an upper cover mounted on the reaction container, and a plug-in assembly comprising a cover body inserted on the upper cover and positioned in the reaction container, an AIE light conversion film for tracking the dynamic process of the microalgae is mounted outside the cover body; according to the microalgae culture bioreactor, the cover body provided with the AIE light conversion film can be conveniently inserted through the arranged inserting assembly, a better culture atmosphere can be provided for microalgae in the reaction container in cooperation with a light source lamp pole, then the dynamic process of the microalgae is conveniently tracked, and the yield is increased; in addition, the air permeability of the container in different stages can be adjusted through the air-permeable check block.
Resumen de: US2024150799A1
The present disclosure describes a manufacturing apparatus to use algae as a renewable green factory for producing biodegradable bioplastic. One or more embodiments include separation of a cultivated microalgae biomass from water before use in the wet or dried state. The lipids and proteins are extracted from the biomass which leaves starch and algae precursors in the remaining material from the microalgae cells. The starch includes amylose, amylopectin, monosaccharides kinases and cyclobutadiene and is hydrolyzed into a syrup containing oligosaccharides and polysaccharides. In some cases, the syrup is used as an ingredient in a medium containing nutrient for bacterial fermentation of plastics.
Resumen de: KR20240062759A
본 발명은 미세조류 배양장치를 이용한 탄소저감량 산출 및 관리 시스템에 관한 것으로, 미세조류 배양을 위해 마련된 배양용 배지가 수용액 상태로 내부에 수용되며, 수용된 배양용 배지에 특정 미세조류 종균을 접종하여 공기 및 빛의 제공을 통해 특정 미세조류 종균의 배양 및 수확을 수행하여 조류 수확량에 관한 정보를 생성하는 미세조류 배양장치; 및 다수의 상기 미세조류 배양 장치와 무선통신 네트워크를 구축하여 상호 연결되며, 상기 미세조류 배양장치로부터 수신되는 조류 수확량에 관한 정보를 기반으로미세조류 배양장치별 탄소저감량에 관한 정보를 산출 생성하는 배양장치 관리서버;를 포함한다.
Resumen de: EP4365274A1
A lighting device and incubator for microalgae growth experiments. The device comprises at least one light source (10) having leds (20) for illuminating microalgae and a control unit (30) configured to control the switching on and off of the leds (20) and to vary the light intensity of the leds (20). The light source (10) comprises RGB LEDs (20), and each RGB LED (20) has a housing that houses a red led (21), a green led (22) and a blue led (23) and a microcontroller (24) that is connected to the control unit (30) to vary the light intensity of the red led (21), the green led (22) and the blue led (23) of the RGB led (20), such that the colour and intensity of the light emitted by each RGB led (20) are modified by the control unit (30).
Resumen de: KR20240059916A
본 발명은 미세조류, 또는 이의 추출물을 활성성분으로 하는 반려동물 모질개선용 조성물을 제공하며, 상기 본 발명에 의한 조성물은 반려동물의 모질개선에 탁월한 효과를 제공한다.
Resumen de: CN117987244A
The invention discloses a controllable microalgae wall breaking device based on an electro-hydraulic detonation technology, and belongs to the technical field of the crossing field of pulse power and biological extraction. The device comprises a high-voltage pulse forming loop, a discharge cavity, a microalgae wall breaking chamber and a microalgae storage and transportation module, the discharge cavity is a cylinder and is made of silica gel with acoustic impedance the same as that of water; the high-voltage pulse forming loop is connected with the electrodes at the two ends of the discharge cavity to form a load effect of high-voltage pulses on the electrodes and excite shock waves; the microalgae wall breaking chamber is a cylinder and is nested on the outer side of the discharge cavity; algae liquid is loaded in the microalgae wall-breaking chamber, and wall-breaking treatment is carried out by utilizing shock waves generated by the discharge cavity; and the microalgae storage and transportation module transports the microalgae stock solution to the microalgae wall breaking chamber, and collects and stores the treated microalgae solution. According to the method, the liquid electric detonation technology is utilized to generate shock waves in the liquid to directly crush the microalgae stock solution, the extraction operation can be directly carried out subsequently, the traditional freezing and drying steps are not needed, the energy consumption and time of the whole mic
Resumen de: CN220907498U
The utility model relates to the technical field of microalgae cells, and discloses a numerical control microalgae cell harvesting device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a harvesting box, and the top of the harvesting box is provided with a separation mechanism; the separating mechanism comprises a servo motor, the servo motor is fixedly connected to the top of the harvesting box, the output end of the servo motor is fixedly connected with a gear, and the left side and the right side of the bottom of the gear are fixedly connected with electric telescopic rods. According to the numerical control microalgae cell harvesting device, a servo motor is arranged, a gear can be driven to rotate, a primary separation barrel can be driven to rotate through the gear, microalgae cells and a nutrient solution are separated for the first time, meanwhile, the gear can drive a gear ring to rotate through the meshing effect of teeth, and through the arrangement of the gear ring, the microalgae cells can be separated from the nutrient solution for the second time. The secondary separation barrel can be driven to rotate, secondary separation is carried out on microalgae cells and a nutrient solution, and the harvesting efficiency and the harvesting effect of the microalgae cells are improved.
Resumen de: CN117986175A
The invention relates to a method for extracting astaxanthin liposome from microalgae. The method comprises the following steps: S1, preparing the microalgae into a cell suspension, and crushing to obtain a cell crushing solution; s2, adding enzyme into the cell disruption liquid for enzymolysis to obtain enzymatic hydrolysate; and S3, separating a supernatant from the enzymatic hydrolysate to obtain an astaxanthin liposome suspension. According to the method disclosed by the invention, astaxanthin is directly extracted from microalgae such as haematococcus pluvialis in a liposome form, the obtained astaxanthin liposome has uniform particle size distribution and good dispersity and stability, the bioavailability of the astaxanthin liposome is improved, the astaxanthin liposome is favorably and widely applied to medicine and food industries, and the astaxanthin liposome has a good application prospect. And a new prospect is developed for production and application of astaxanthin.
Resumen de: CN117987272A
The invention relates to the technical field of wastewater treatment. The invention provides chlorella for immobilizing inorganic carbon and a method for enhancing carbon sequestration in domestic sewage treatment, the collection name of the chlorella is chlorella sp. MIHQ61, the Latin is Chlorella sp. MIHQ61, the collection date is January 29, 2024, the collection unit is the China General Microbiological Culture Collection Center, and the collection number is CGMCC No.41095. The invention further provides a preparation method of the chlorella for immobilizing inorganic carbon and a preparation method of the chlorella for immobilizing inorganic carbon and a preparation method of the chlorella for immobilizing inorganic carbon and a preparation method of the chlorella for immobilizing inorganic carbon and a preparation method of the chlorella for immobilizing inorganic carbon and a preparation method of the chlorella for immobilizing inorganic carbon. The chlorella disclosed by the invention can promote domestic sewage treatment to strengthen carbon sequestration, and has multiple advantages of low cost, high benefit and the like; the highest biomass yield obtained by culturing the microalgae strain in domestic sewage reaches 68.92 mg.L <-1 >. D <-1 >, the highest carbon sequestration efficiency reaches 85%, 54% soluble inorganic carbon sequestration rate can be achieved, and the microalgae strain is low in cost and environmentally friendly.
Resumen de: CN117987248A
The invention discloses a red tide microalgae and biotoxin synchronous detection chip, which is a double-layer micro-fluidic chip and comprises an upper hydraulic valve control layer and a lower sensing integrated detection layer which are in bonding connection, a red tide biotoxin detection area, an environmental sample primary purification area, an environmental sample secondary purification area and a red tide microalgae 18S rDNA detection area are arranged on the lower sensing integrated detection layer in parallel; a biotoxin detection sample inlet hole, a red tide microalgae detection sample inlet hole, a sample outlet hole I and a sample outlet hole II are formed in positions, corresponding to corresponding areas of the lower sensing integrated detection layer, of the upper hydraulic valve control layer; a hydraulic valve a, a hydraulic valve b and a hydraulic valve c are further arranged on the upper hydraulic valve control layer. The invention further discloses a synchronous detection method for the red tide microalgae and the biotoxins of the red tide microalgae. The detection chip and the detection method solve the problems that an existing detection method is high in operation requirement and long in consumed time, detection instruments of the detection method and the detection method are not universal, and samples need to be processed repeatedly.
Resumen de: CN117990635A
The invention discloses a method for judging river water backflow of a municipal sewage pipe network, and belongs to the technical field of municipal drainage pipe networks. The method comprises the following steps: 1, sample collection: respectively collecting a river water sample, a water sample of a well without backflow risk and a water sample of a municipal sewage well to be detected; step 2, microalgae culture and data acquisition: the three water samples collected in the step 1 are subjected to microalgae culture under the conditions of normal temperature and illumination, and the three water samples subjected to microalgae culture are taken out regularly and quantitatively for OD680 detection as quantitative data of microalgae density; and step 3, backward flow risk calculation: when the backward flow risk is greater than 0.2, judging that a large river water backward flow risk exists at the municipal sewage well to be detected. A low-cost and high-efficiency river water backflow judgment method is provided; by expanding microalgae culture and amplifying the difference between the microalgae culture and the microalgae culture, whether river water backflow exists at the municipal sewage well to be detected or not is judged more accurately, and the difficulty in direct in-situ measurement of the concentration of microalgae in sewage is solved.
Nº publicación: CN117985860A 07/05/2024
Solicitante:
SOUTH CHINA AGRICULTURAL UNIV
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Resumen de: CN117985860A
The invention discloses application of microalgae in removal of tetracycline in a water body. The invention is a result obtained based on the fact that the inventor finds that the Trichormus sp.SCAU-26 has the effect of removing tetracycline. The strain can grow in a water body containing tetracycline and can efficiently remove tetracycline, so that the strain has the application potential in the aspect of eliminating antibiotics in sewage.
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