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155
resultados
Última actualización
27/05/2025 [07:48:00]
Resultados 125 a 150 de 155
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: KR20250019955A
본 발명은 미세조류 추출물의 방사선 조사물을 유효성분으로 포함하는 세균성점무늬병 또는 벼알세균마름병 방제용 조성물; 항균용 조성물; 상기 방제용 조성물을 식물에 적용하는 단계를 포함하는 세균성점무늬병 또는 벼알세균마름병 방제 방법; 및 미세조류 추출물에 방사선을 조사하는 단계를 포함하는 세균성점무늬병 또는 벼알세균마름병 방제용 조성물의 제조 방법에 관한 것으로서, 본 발명의 조성물 또는 방법을 통해 세균성점무늬병 또는 벼알세균마름병의 방제에 유용하게 사용될 수 있어, 미세조류 추출물을 이용한 항균 제품 개발 및 산업적으로 활용이 가능한 다양한 산업분야에서 유용하게 사용될 수 있다.
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.
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.
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: 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: 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: CN119391502A
The invention relates to a microalgae culture device coupling air purification and fertilizer preparation and a using method thereof.The microalgae culture device comprises a cylinder cover, a cylinder body and a base, the interior of the cylinder body is divided into at least two culture cavities in the circumferential direction, a lamp cavity for containing an auxiliary lamp is formed in the middle of the cylinder body, and a liquid outlet hole with a liquid discharging valve is formed in the bottom of each culture cavity; a sealed cover plate and a fixing ring are arranged at the top of the cylinder body, the fixing ring is in threaded fixation with the top of the cylinder body and clamps the cover plate, exhaust holes and air inlet pipes which are communicated with the culture cavities are integrally arranged on the plate surface of the cover plate, an air pump connected with the air inlet pipes is fixedly arranged in the cylinder cover, and air outlet holes communicated with the exhaust holes are formed in the cylinder cover; and the bottom of the cylinder body is spliced and matched with the base. During use, microalgae liquid is put into the culture cavity of the cylinder body, the whole body is placed at an illumination position or an auxiliary lamp is turned on, and meanwhile, an air pump is turned on, so that microalgae culture and air purification can be realized, and the use is relatively convenient; after being cultured, the microalgae are discharged to the base
Resumen de: CN119385101A
The invention discloses a three-dimensional ecological fishpond culture system in the field of aquaculture. The three-dimensional ecological fishpond culture system comprises the following steps: 1, wastewater collection and pretreatment; 2, sterilizing and preparing a culture medium; 3, live bait is cultured in the runway type culture tank; 4, a water circulation system and continuous filtration; and 5, artificial wetland treatment and pasture planting. According to the breeding system, wastewater generated after breeding is treated, the water quality is improved, sterilization treatment is conducted, appropriate nutritional ingredients are added, and then the wastewater is discharged into the breeding tank containing microalgae and zooplankton to provide needed nutritional ingredients for the microalgae and the zooplankton, so that the microalgae and the zooplankton are massively bred in the water body, bait is brought to fishes in the constructed wetland, and the quality of the fishes in the constructed wetland is improved. The mode that bait is input depending on the outside in traditional cultivation is changed, self-sufficiency of green bait is achieved, and dynamic balance and efficient cyclic utilization of water are achieved.
Resumen de: CN119391518A
The invention discloses a low-energy-consumption microalgae cell separating and harvesting device and method based on plant fibers, and particularly relates to the field of microalgae cell concentration and separation. Comprising a separation box, the separation box communicates with a liquid inlet pipe and an air inlet pipe, the liquid inlet pipe is provided with a first valve, the air inlet pipe is connected with an inflation pump, the separation box communicates with a liquid discharging pipe, the liquid discharging pipe is provided with a second valve, the two sides of the separation box communicate with feeding channels, and the space between the two feeding channels is filled with a plant fiber filtering layer. A fixed plate and a movable plate are arranged in the separation box, a first water passing hole is formed in the fixed plate, a driving assembly used for driving the movable plate to slide in the separation box is arranged on the movable plate, and a second water passing hole is formed in the movable plate. By the adoption of the technical scheme, the problem that an existing device cannot achieve efficient collection and separation of a large number of algae cells in an artificial culture scene or an algae bloom scene of unicellular algae is solved, and resource utilization of natural plant fiber materials and efficient harvesting of the algae cells are achieved.
Resumen de: CN119391543A
The invention provides a method for improving algae metabolism and lutein synthesis, and relates to the technical field of bioengineering, and the method comprises the following steps: selecting microalgae seeds; inoculating the microalgae seeds into a conical flask of a Basal culture medium; culturing the conical flask under a low-light condition for a predicted number of days; repeating the low-light culture process to obtain a seed solution; and inoculating the obtained seed solution into a conical flask of a Basal culture medium, and continuously culturing to obtain the microalgae. According to the method provided by the invention, growth and lutein accumulation in the process of heterotrophic culture or fed-batch heterotrophic fermentation culture and the like can be effectively promoted after the selected seeds are subjected to low-light pre-culture, so that algae metabolism is accelerated, and the yield of lutein is increased.
Resumen de: CN119391620A
The invention relates to the technical field of sewage treatment. The invention discloses an anaerobic ammonium oxidation bacteria, short-cut nitrifying bacteria and microalgae coupling system and a domestication method thereof, which are characterized in that three autotrophic microorganisms with different oxygen requirements are sequentially domesticated by a biological filler according to a sequence of an inner layer, a middle layer and an outer layer to form dissolved oxygen gradient region change. Wherein the microalgae form an oxygen production area in the outer photosynthesis, and the dissolved oxygen concentration in the area is the highest. Short-cut nitrifying bacteria domesticated on the middle-layer biological filler consume oxygen, and the concentration of dissolved oxygen is lower than that of dissolved oxygen in the outer-layer biological filler area. The dissolved oxygen in the inner-layer biological filler area can reach the lowest level, so that the anaerobic ammonium oxidation bacteria can survive suitably, and the stable denitrification of anaerobic ammonium oxidation is ensured. Therefore, the biological membrane obtained by the domestication method provided by the invention is more stable, the mass transfer of the dissolved oxygen is more uniform than that of the traditional mechanical point source aeration, and the influence of the dissolved oxygen on the interior is smaller, so that the treatment effect is more stable. The anaerobic ammonium oxidation
Resumen de: ES1312856U
Floating photobioreactor for microalgae cultivation and boat mooring, characterized in that the floating photobioreactor (1) has a rigid body in the form of an asymmetric oblate spheroidal buoy composed of a transparent UV-resistant upper dome (2) made of a thermoplastic polymer and a culture tank (3) whose geometry is a slightly conical inverted dome made of a food-grade thermoplastic polymer, both joined by bolts (5) on a perimeter rim (4) of which both elements have; at least and located in the transparent upper dome two hydrophobic gas exchangers with a semipermeable membrane (6), the computer powered by a photovoltaic module (7), the artificial light system (8), the vertical agitator system (9) with blades and two arched windshield wipers (10) attached to the agitator acting against the inside of the transparent dome and rotating together; two inlet connections (12-13) for adding nutrients, water, flocculant or sensors as well as means for draining the culture with at least one outlet connection (11) above the waterline, and a tubular drainage system (14) connected to the base of the culture tank, on the outer face of which is the mooring system (15) formed by at least one eyelet attached to the culture tank. (Machine-translation by Google Translate, not legally binding)
Resumen de: US2025043234A1
The present invention is in the field of molecular hydrogen (H2) bio-production, particularly, the present invention provides genetically modified photosynthetic microalgae producing hydrogen in complete growth medium under ambient, continuous growth conditions at cost-effective amounts and to a process for hydrogen production using genetically modified photosynthetic microalga.
Resumen de: WO2025028350A1
Provided is a useful method for treating waste water that contains a heavy metal or an organic pigment as a contaminant, wherein waste water from a factory or the like is continuously and gradually supplied, via an introduction path (21), to a treatment tank (2) which has been charged with thermophilic cyanobacteria such as Thermosynechococcus elongatus, and carbon dioxide gas is ejected from a gas supply pipe (22). In a photosynthetic environment which is, for example, irradiated with solar light, the waste water from the introduction path (21) is treated by being stirred with the thermophilic cyanobacteria by the ejected carbon dioxide gas, the water level in the treatment tank (2) rises, and the waste water flows out to a precipitation tank (3) through a liquid feed pipe (31). In the waste water that has flowed out to the precipitation tank (3), thermophilic bacteria contained therein precipitates to a bottom part as sludge, and a supernatant liquid flows out through a waste water pipe (32) due to a rise in water level. When waste water containing a heavy metal is treated, a supernatant liquid from which the heavy metal has been separated flows out, and when waste water containing an organic pigment is treated, a supernatant liquid from which the pigment has been removed flows out.
Resumen de: JP2025016518A
To provide a peptide extract of the microalga Chlamydomonas acidophila, as a cosmetic or dermatological composition, and a method for the preparation thereof.SOLUTION: The present invention provides a peptide extract of the microalga Chlamydomonas acidophila, and a method for the preparation thereof, wherein the extract is obtainable by the preparation method comprising at least one enzymatic hydrolysis step comprising at least 20 wt.% of peptides as the percentages expressed with respect to the total weight of the extract.SELECTED DRAWING: None
Resumen de: KR20250014354A
본 발명은 수조내 장착되는 내부광을 세척하기 위한 것으로, 배양액 내에서 유영가능한 밀도를 갖고, 표면에 세척돌기가 다수 형성된 세척볼을 포함하는 미세조류 배양장치를 제공한다.
Resumen de: KR20250015498A
본 발명은 이온화 방사선을 조사한 배지 또는 과산화수소를 첨가한 배지를 이용한 미세 조류의 생육 증진 방법 또는 미세 조류의 대사산물 생산 증진 방법에 관한 것으로서, 구체적으로 미세 조류를 배양하기 위하여 방사선이 조사된 배지 또는 과산화수소를 첨가한 배지를 이용함으로써 미세 조류의 생육 또는 대사산물의 생산을 현저히 증진시키는 효과가 있어, 연속 배양이 가능한 미세조류와 같은 비고착성 광합성 생물의 배양 효율 및 생산성 증진 기술로 활용될 수 있는 이점이 있어 미세 조류를 활용한 다양한 산업분야에서 유용하게 사용될 수 있다.
Resumen de: KR20250014353A
본 발명은 수조내부에 수직하게 설치되는 회전축; 및 상기 회전축 길이방향으로 일체가 되도록 연결된 스크류형 광전달부를 포함하는 미세조류 배양을 위한 내부광 및 이를 포함하는 미세조류 배양장치를 제공한다.
Resumen de: ES2994818A1
The present invention relates to a system for producing microalgae on an industrial and commercial scale that includes a plurality of sealed production units containing the microalgae culture and nutrients, a pressurized air propellant element, a pneumatic circuit that introduces air to said units, and a hydraulic drive circuit and a hydraulic return circuit that allow circulation between the units with a central collector, such that the distribution of pipes that form said circuits enables a homogeneity of the content of the sealed production units to guarantee the production of microalgae on an industrial scale. (Machine-translation by Google Translate, not legally binding)
Resumen de: HRP20230792A1
Izum se odnosi na funkcionalni prehrambeni sastojak (FFI) koji je suhi ekstrakt osušene biomase simbiotske kulture mikroalge Chlorella (Chlorella vulgaris) i bakterije Lactobacillus plantarum, dobiven ekstrakcijom sa smjesom metanola i diklormetana = 25-75 : 75-25, V/V, a koji je karakteriziran DER faktorom (3-12 : 1, te visokom antioksidativnom aktivnošću u razini ne manjoj od 100 mg ekvivalenta askorbinske kiseline (AAE) po gramu predmetnog FFI prema standardnoj DPPH metodi. Navedeni FFI se u koncentraciji od 0,001-10% m/m koristi kao sastojak za pripravu funkcionalnih prehrambenih proizvoda (FF) s jednim ili više drugih prehrambenih sastojaka, te opcionalno vode, soli, začina i drugih funkcionalnih prehrambenih sastojaka, pri čemu se formira gotovi FF u različitim tekućim, polukrutim ili krutim oblicima poput napitka, deserta, energijske pločice, kruha, peciva i drugih pekarskih proizvoda ili namaza. FF prema izumu pokazuje niz korisnih učinaka na ljudsko zdravlje poput antioksidativnog, protuupalnog, antimikrobnog, antihiperglikemijskog, i antihipertenzivnog djelovanja. The invention relates to a functional food ingredient (FFI) which is a dry extract of the dried biomass of a symbiotic culture of the microalgae Chlorella (Chlorella vulgaris) and the bacterium Lactobacillus plantarum, obtained by extraction with a mixture of methanol and dichloromethane = 25-75 : 75-25 V/V and which is characterised by a DER factor (3-12 : 1) and high antioxidant activity at a l
Resumen de: HRP20230791A1
Izum se odnosi na funkcionalni prehrambeni sastojak (FFI) koji je suhi ekstrakt cijanobakterije Spirulina (Arthrospira platensis) i/ili mikroalge Chlorella (Chlorella vulgaris), dobiven ekstrakcijom sa smjesom metanola i diklormetana = 25-75 : 75-25, V/V, a koji je karakteriziran DER faktorom (3-12 : 1) te visokom antioksidativnom aktivnošću u razini ne manjoj od 200 mg ekvivalenta askorbinske kiseline (AAE) po gramu predmetnog FFI prema standardnoj DPPH metodi. Navedeni FFI se u koncentraciji od 0,001-10% m/m koristi kao sastojak za pripravu funkcionalnih prehrambenih proizvoda (FF) s jednim ili više prehrambenih sastojaka te opcionalno vode, soli, začina i drugih funkcionalnih prehrambenih sastojaka, pri čemu se formira gotovi FF u različitim tekućim, polukrutim ili krutim oblicima poput napitka, praška za instant pripravu napitka, voćnog deserta, energijske pločice, kruha, peciva i drugih pekarskih proizvoda ili namaza. FF prema izumu pokazuje niz korisnih učinaka na ljudsko zdravlje poput antioksidativnog, protuupalnog, antimikrobnog, antihiperglikemijskog, i antihipertenzivnog djelovanja.The invention relates to a functional food ingredient (FFI) which is a dry extract of the cyanobacterium Spirulina (Arthrospira platensis) and/or the microalgae Chlorella (Chlorella vulgaris), obtained by extraction with a mixture of methanol and dichloromethane = 25-75 : 75-25 V/V and which is characterised by a DER factor (3-12 : 1) and high antioxidant activity at a level o
Nº publicación: WO2025021864A2 30/01/2025
Solicitante:
NBA BIOTECH LTD [GB]
NBA BIOTECH LIMITED
Resumen de: WO2025021864A2
The present invention relates to a system for producing microalgae on an industrial and commercial scale including a plurality of leak-tight productive units containing the microalgae culture and nutrients, a pressurized air driving element, a pneumatic circuit which introduces air in the mentioned units, and a hydraulic drive circuit and a hydraulic return circuit which allow circulation between the units with a central manifold, such that the distribution of ducts forming said circuits enables a homogeneity of the content of the leak-tight productive units to assure the production of microalgae on an industrial scale.
BOPI
Sede Electrónica
