MICROALGAS: CULTIVO Y USOS

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Resultados 86 resultados LastUpdate Última actualización 27/01/2023 [14:48:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 120 días / Applications published in the last 120 days



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Novel raceway pond type microalgae culture system capable of efficiently mixing and supplementing carbon

NºPublicación: CN115216383A 21/10/2022

Solicitante:

MEI XINGGUO
MEI DANYU

Resumen de: CN115216383A

The invention discloses a novel raceway pond type microalgae culture system with efficient mixing and carbon supplementing functions. The novel raceway pond type microalgae culture system comprises a raceway pond, a CO2 carbon supplementing absorption device, a control system for automatically adjusting CO2 release based on pH value change, a sediment interception area and a windowed mixing assisting stirrer. The CO2 carbon supplement absorption device is positioned on a straight way of the raceway pond and comprises a CO2 stress absorption chamber and a CO2 micro-nano bubble generator; the CO2 stress absorption chamber is of a square frame structure, and a certain height difference exists between the front and the back; the CO2 micro-nano bubble generator is arranged in the CO2 stress absorption chamber and is close to the bottom of the water inlet of the CO2 stress absorption chamber; the control system is positioned at the front end of a water inlet of the CO2 stress absorption chamber and is used for monitoring the change of a pH value to regulate and control CO2 release; the sediment interception area is located in a curve of the raceway pond and is an annular concave pond with slopes on the two sides; and the windowed mixing-assisting stirrer is positioned on the runway of the runway pond. The method can improve the carbon source utilization rate and the photosynthetic efficiency, save the separation cost and improve the product quality, and is suitable for culture of o

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COMPOSITION COMPRISING A EUKARYOTIC MICROALGAE OR AN EXTRACT THEREOF FOR USE IN THE TREATMENT OF A VIRAL DISEASE

NºPublicación: WO2022219071A1 20/10/2022

Solicitante:

PHILIP MORRIS PRODUCTS SA [CH]

Resumen de: WO2022219071A1

A composition comprising a eukaryotic microalgae or an extract thereof may be for use in the treatment of a viral disease, e.g. coronavirus, and for use as an inhibitor of the binding of Spike protein receptor binding domain (RBD) to Angiotensin-Converting Enzyme 2 (ACE2). A compound derivable from eukaryotic microalgae may also be for use in the treatment of a viral disease. In turn, a eukaryotic microalgae may be used as an antiviral agent.

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MICROALGAE CULTURE POND-ARTFICIAL WETLAND COUPLING SYSTEM AND METHOD FOR DEEP PURIFICATION OF SEWAGE

NºPublicación: WO2022217674A1 20/10/2022

Solicitante:

UNIV SHANDONG [CN]

CN_113233587_A

Resumen de: WO2022217674A1

The present invention provides a microalgae culture pond-artificial wetland coupling system for the deep purification of sewage. The system comprises a microalgae culture pond and an artificial wetland which form a series connection; the microalgae culture pond is provided with a microalgae capture filler, algae-containing water obtained after the microalgae capture filler captures microalgae communicates with the artificial wetland, and some of the captured microalgae are introduced, by using a guide pipe, to an anoxic denitrification functional area in the artificial wetland away from a liquid surface. By using sewage as a culture medium to implement in the microalgae culture pond the cultivation of microalgae and the purification of the sewage, more than 80% of microalgae biomass in the microalgae culture pond is recycled at a low cost, some microalgae are introduced to the anoxic denitrification functional area in the artificial wetland away from the liquid surface, and cracked algae cells are used as a carbon source to promote denitrification in the wetland; therefore, the resourcefulness of some nutrients in sewage is achieved, the problems of oxygen supplementation and carbon source deficiency of artificial wetlands are solved in an energy-consumption-free means, and removal rates of total nitrogen and total phosphorus are increased.

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Extracellular vesicles from microalgae

NºPublicación: CN115210358A 18/10/2022

Solicitante:

CONSIGLIO NAZIONALE RICERCHE
ATLANTIC UNIV

KR_20220129551_PA

Resumen de: CN115210358A

The present invention relates to extracellular vesicles derived from natural photosynthetic non-fermented microalgae, to a method for isolating extracellular vesicles from natural photosynthetic non-fermented microalgae by steps of growth, centrifugation and ultracentrifugation, and to the use of the isolated extracellular vesicles as a carrier for diagnostic, therapeutic, nutritional and/or cosmetic agents.

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Solar illumination system for microalgae culture

NºPublicación: CN115197814A 18/10/2022

Solicitante:

YUNNAN ALPHY BIOTECH CO LTD

Resumen de: CN115197814A

The invention provides a solar illumination system for microalgae culture, and relates to the technical field of microalgae culture. The solar illumination system is used for microalgae culture and comprises a solar power generation device, a photobioreactor, a photovoltaic module, a distribution box, an external power supply, a circulating pump, an air supply system, an operation platform, a ditch, a road and a protection slope, and the operation platform comprises the photobioreactor, the photovoltaic module, the distribution box, the external power supply, the circulating pump and the air supply system. An output port of the photovoltaic module is electrically connected with a distribution box and a circulating pump, a water inlet of the circulating pump is fixedly connected with an air supply system, and a water inlet of the air supply system is fixedly connected with two photobioreactors. By installing the solar power generation device, sunlight spaced by the two groups of glass pipeline type photobioreactors is reasonably utilized, power is provided for microalgae culture, consumption of external electric power is reduced, the production cost is reduced, and energy is saved.

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Device for inducing enrichment growth and controllable harvesting of chlorella through interface carbon dioxide

NºPublicación: CN217600715U 18/10/2022

Solicitante:

UNIV GUANGDONG TECHNOLOGY

Resumen de: CN217600715U

The utility model belongs to the technical field of microalgae culture and recovery, and discloses a device for inducing chlorella enrichment growth and controllable harvesting through interface carbon dioxide. Comprising a photosynthesis reactor, a liquid inlet tank, a gas supply device and an illumination incubator, the photosynthesis reactor is arranged in the illumination incubator, and a light source and a heating device are arranged in the illumination incubator; the photosynthesis reactor comprises a transparent shell and a porous hydrophobic medium filled in the transparent shell, the transparent shell is provided with a gas inlet communicated with the gas supply device, and a liquid inlet and a liquid outlet which are communicated with the liquid inlet tank, and the porous hydrophobic medium is filled in the transparent shell between the liquid inlet and the liquid outlet; the porous hydrophobic medium comprises at least one of a hollow fiber hydrophobic gas film, a flat plate type hydrophobic gas film and a hydrophobic porous silicone tube. The device can freely switch the chlorella enrichment growth mode and the controllable harvesting mode, is reliable in overall structure, easy to operate and stable in running, and has a good market application prospect.

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Microalgae bead, preparation method and application of microalgae bead in rare earth tail water treatment

NºPublicación: CN115197931A 18/10/2022

Solicitante:

UNIV ANHUI

Resumen de: CN115197931A

The invention discloses a microalgae bead which is prepared by the following steps: firstly, adding sodium alginate into a microalgae solution, and then adding the mixture into a calcium chloride solution to form a microalgae bead with sodium alginate embedded microalgae; the variety of the microalgae is Galdiriasulphuraria, and the variety of the microalgae is Galdiriasulphuraria. The invention also discloses a preparation method of the microalgae beads and application of the microalgae beads in treatment of rare earth tail water. The Galdiriasulphuraria algae can grow in rare earth tail water with high concentration and high ammonia nitrogen, so that the GS algae beads embedded by the calcium alginate based on the Galdiriasulphuraria algae can effectively remove rare earth metal ions and ammonia nitrogen in water at the same time because the surface of a calcium alginate shell contains rich functional groups with negative charges, and the Galdiriasulphuraria algae can be used for effectively removing the rare earth metal ions and the ammonia nitrogen in the water. The algae beads with the biological density of 15 g/L are used for treating the rare earth tail water with the rare earth metal ion initial concentration of 120 ppm and the ammonia nitrogen (NH3-N) initial concentration of 100 ppm, the removal rate of the rare earth metal ions in the rare earth tail water can reach 97.79% within 8 minutes, and the removal rate of ammonia nitrogen substances can reach 94.4% within

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Spiral stepped photobioreactor for microalgae culture

NºPublicación: CN217600699U 18/10/2022

Solicitante:

YANGTZE DELTA REGION INST TSINGHUA UNIV ZHEJIANG
ZHEJIANG QINGRONG BIOTECHNOLOGY DEV CO LTD

Resumen de: CN217600699U

The utility model discloses a spiral stepped photobioreactor for microalgae culture, which comprises a cylindrical outer barrel and a cylindrical inner barrel, and a liquid storage tank is formed between the bottom of the outer barrel and the bottom of the inner barrel; at least two fan-shaped annular water tanks are arranged in a spiral step shape, from the uppermost layer of fan-shaped annular water tank, the side edges of each layer of fan-shaped annular water tank and the next layer of fan-shaped annular water tank are staggered and overlapped, and overflow holes are formed in the side, staggered and overlapped with the next layer of fan-shaped annular water tank, of the upper layer of fan-shaped annular water tank; an inlet of the backflow conveying device is communicated with the liquid storage tank, and an outlet of the backflow conveying device is located between the top of the outer cylinder and the top of the inner cylinder. The area of photosynthesis of the microalgae is expanded, shielding is reduced through the spiral steps, and the availability of the microalgae to light energy is improved. The light receiving surface area is increased through the multilayer spiral shape, and therefore the yield of unit occupied area is improved. The place for photosynthesis of microalgae in the reactor is an extremely shallow water tank, which is beneficial to the analysis of photosynthetic oxygen release and is very water-saving.

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Strain and microalgae symbiotic culture device and use method thereof

NºPublicación: CN115181650A 14/10/2022

Solicitante:

SUZHOU YOUBOSEN BIOTECHNOLOGY CO LTD

Resumen de: CN115181650A

The invention discloses a bacterial strain and microalgae symbiotic culture device and a use method thereof.The bacterial strain and microalgae symbiotic culture device comprises an illumination incubator body, the illumination incubator body is provided with a collecting mechanism, the illumination incubator body is provided with two drainage pipes, and the side and the two sides of the illumination incubator body are each provided with a protection mechanism; the collecting mechanism comprises a bearing frame, a collecting frame, two bearing plates, two bearing blocks and two positioning blocks, the collecting frame is slidably arranged in the bearing frame, an auxiliary mechanism is arranged on the bearing frame, and the auxiliary mechanism comprises an auxiliary plate, two connecting rods, two first springs, a pressing column and an alarm emitter. By means of the arrangement mode that an auxiliary plate, a connecting rod, a first spring, a pressing column and an alarm emitter are matched, gravity generated by waste water in a collecting frame presses down the connecting rod, then the pressing column can conveniently touch a switch of the alarm emitter, an external alarm receiver can conveniently give an alarm, and the waste water collecting device is convenient to use. A worker can be conveniently reminded that the collecting frame is about to be full of wastewater.

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MODIFIED CYANOBACTERIUM, MODIFIED CYANOBACTERIUM PRODUCTION METHOD, AND PROTEIN PRODUCTION METHOD

NºPublicación: US2022325312A1 13/10/2022

Solicitante:

PANASONIC IP MAN CO LTD [JP]

CN_114651060_A

Resumen de: US2022325312A1

A modified bacterium in which a function of a protein involved in binding between an outer membrane and a cell wall of cyanobacterium is suppressed or lost.

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STRUCTURE AND METHOD FOR PROMOTING MICROALGAE GROWTH

NºPublicación: US2022322644A1 13/10/2022

Solicitante:

UNIV CALIFORNIA [US]
UNIV OF CAMBRIDGE [GB]

WO_2021041962_A1

Resumen de: US2022322644A1

An artificial structure for promoting microalgae growth includes a 3D-printed structure formed by positioning a printing surface on a movable stage of a 3D bioprinter in contact with a bio-ink that includes a mixture of a pre-polymer material with one or more of cellulose-derived nanocrystals (CNC), and microalgae cells. By projecting modulated light onto the printing surface while moving the stage, the bio-ink is progressively polymerized to define layers of an artificial coral structure with microalgae cells disposed thereon, where the artificial coral structure is configured to scatter light within the structure.

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RECOMBINANT MICROALGAE HAVING ENHANCED TOLERANCE TO HIGH CONCENTRATIONS OF CO2 AND/OR ACIDIC CONDITIONS

NºPublicación: KR20220136947A 11/10/2022

Solicitante:

UNIV KOREA RES & BUS FOUND [KR]

WO_2022211562_PA

Resumen de: WO2022211562A1

The present invention relates to a novel recombinant microalgal strain having enhanced resistance to high concentrations of CO2 and low pH (acidic) conditions and, more particularly, to Chlamydomonas reinhardtii PMA4ΔCter-V4 and -V10, which are Chlamydomonas reinhardtii-derived genetically modified microalgal strains, and use thereof.

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Multilayer shallow liquid layer photobioreactor for microalgae culture

NºPublicación: CN115161162A 11/10/2022

Solicitante:

YANGTZE DELTA REGION INST TSINGHUA UNIV ZHEJIANG
ZHEJIANG QINGRONG BIOTECHNOLOGY DEV CO LTD

Resumen de: CN115161162A

The invention discloses a multilayer shallow liquid layer photobioreactor for microalgae culture, which comprises: a support frame, which is a plurality of layers of supports; the multiple layers of unit water tanks are used for containing culture solutions, each layer of unit water tank is arranged on the supporting frame, the side edge of each layer of unit water tank is provided with a hard pipe pipeline, the hard pipe pipelines of all the layers are communicated, a conveying pump is arranged below each layer of hard pipe pipeline, a hose pipeline is connected to the upper portion of each layer of hard pipe pipeline, and a gas pipeline is connected to the middle of each layer of hard pipe pipeline. The hose pipeline is communicated with a spray jet device, a first valve is arranged at the joint of the hard pipeline and the hose pipeline, a second valve is arranged at the joint of the hard pipeline and the gas pipeline, and a third valve is arranged at the joint of the hard pipeline and the delivery pump.

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Water environment restoration device and process

NºPublicación: CN115159771A 11/10/2022

Solicitante:

KESHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Resumen de: CN115159771A

The invention discloses a water environment remediation device, and relates to the technical field of water environment remediation, the water environment remediation device comprises a pump station, a microalgae culture reactor and a membrane bioreactor, the microalgae culture reactor and the membrane bioreactor are connected with the pump station, and the microalgae culture reactor is composed of a lower microalgae culture unit, an upper microalgae culture unit and a bearing frame which are vertically distributed; a plurality of lower microalgae culture units are communicated with the upper microalgae culture unit, and lower microalgae biological membranes and upper microalgae biological membranes which rotate synchronously are arranged in the lower microalgae culture units. The invention further provides a water environment remediation process, microalgae double-sided culture is carried out through the vertically distributed cylindrical and cake-shaped microalgae biological membranes, the rotating shaft is arranged in the water environment remediation process, the utilization rate of microalgae to illumination is increased in a rotating mode, and a light environment needed by microalgae growth is provided; the eutrophic substances such as N and P in the eutrophicated water body are utilized to grow and breed massively, so that the load of a subsequent biochemical system can be greatly reduced, the sludge yield of the biochemical system is reduced, and the system cost is re

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Device for large-scale culture of marine microalgae

NºPublicación: CN115161167A 11/10/2022

Solicitante:

JIANGSU COASTAL DEV GROUP CO LTD
UNIV HOHAI

Resumen de: CN115161167A

The device comprises a supporting plate, a plurality of extrusion grooves used for fixing culture dishes are formed in the top face of the supporting plate, a drawing groove is formed in the portion, below the extrusion grooves, of the supporting plate, a drawing plate is arranged in the drawing groove, and a heat storage groove used for containing a heat source is formed in the drawing plate. A plurality of through holes are formed between the heat storage groove and the extrusion groove and used for transmitting heat released by a heat source in the heat storage groove to the bottom of the extrusion groove, a vessel cover is installed on the culture dish, and a rotating groove used for adjusting the ventilation quantity is formed in the center of the vessel cover. According to the device, the function of adjusting the temperature of the marine microalgae culture environment in the device is achieved, the function of fixing culture dishes for culturing the marine microalgae in a large-scale device is achieved, and the function of ventilation in the process of culturing the marine microalgae in the device is achieved.

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METHOD FOR ENHANCING BIOSYNTHESIS OF HIGH VALUE-ADDED SUBSTANCE DERIVED FROM MICROALGAE BY INTRODUCING ULTRASONIC STIMULUS

NºPublicación: KR20220135368A 07/10/2022

Solicitante:

UNIV KOREA RES & BUS FOUND [KR]

WO_2022211302_PA

Resumen de: WO2022211302A1

The present invention relates to a method for increasing a content of astaxanthin in microalgae through ultrasonic stimulation. The method according to the present invention can effectively increase the content of astaxanthin in microalgae through ultrasonication during microalgal cultivation and thus can be advantageously used for producing the high value-added substance astaxanthin.

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METHOD FOR ENHANCING BIOSYNTHESIS OF HIGH VALUE-ADDED SUBSTANCE DERIVED FROM MICROALGAE BY INTRODUCING ULTRASONIC STIMULUS

NºPublicación: WO2022211302A1 06/10/2022

Solicitante:

UNIV KOREA RES & BUS FOUND [KR]

KR_20220135368_PA

Resumen de: WO2022211302A1

The present invention relates to a method for increasing a content of astaxanthin in microalgae through ultrasonic stimulation. The method according to the present invention can effectively increase the content of astaxanthin in microalgae through ultrasonication during microalgal cultivation and thus can be advantageously used for producing the high value-added substance astaxanthin.

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CULTURING DEVICE

NºPublicación: WO2022209468A1 06/10/2022

Solicitante:

HONDA MOTOR CO LTD [JP]

Resumen de: WO2022209468A1

This culturing device (10) cultures microalgae in a culture liquid (L). A culture tank (12) of the culturing device (10) contains the culture liquid (L) and the microalgae. A stirring part (14) is installed in the culture tank (12). A drive unit (16) moves the stirring part (14) reciprocatingly along the bottom surface in the culture tank (12).

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RECOMBINANT MICROALGAE HAVING ENHANCED TOLERANCE TO HIGH CONCENTRATIONS OF CO2 AND/OR ACIDIC CONDITIONS

NºPublicación: WO2022211562A1 06/10/2022

Solicitante:

UNIV KOREA RES & BUS FOUND [KR]

KR_20220136947_PA

Resumen de: WO2022211562A1

The present invention relates to a novel recombinant microalgal strain having enhanced resistance to high concentrations of CO2 and low pH (acidic) conditions and, more particularly, to Chlamydomonas reinhardtii PMA4ΔCter-V4 and -V10, which are Chlamydomonas reinhardtii-derived genetically modified microalgal strains, and use thereof.

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METHODS OF PROTEIN EXTRACTION AND DOWNSTREAM PROCESSING OF EUGLENA

NºPublicación: US2022312793A1 06/10/2022

Solicitante:

NOBLEGEN INC [CA]

JP_2022540788_PA

Resumen de: US2022312793A1

Embodiments herein are directed to methods for preparing and compositions containing microalgae biomass. Described herein are, for example, methods of preparing a microalgal flour that involve culturing microalgae, concentrating the microalgae into a microalgal biomass sludge, washing the microalgal biomass sludge, adjusting the pH of the microalgal biomass sludge, and drying the microalgal biomass sludge to produce the microalgal flour. Also disclosed are food products supplemented with microalgae biomass, including for example microalgal flour, a protein concentrate, or a protein isolate.

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PHOTOBIOREACTOR, IN PARTICULAR FOR THE PRODUCTION OF MICRO-ORGANISMS SUCH AS MICROALGAE

NºPublicación: US2022315874A1 06/10/2022

Solicitante:

MEIER ANITA [DE]

DE_102019114979_A1

Resumen de: US2022315874A1

A photobioreactor is particularly suited for producing micro-organisms such as microalgae. The photobioreactor is a closed reactor with reactor vessels which have an open top that is closed by a top wall of the photobioreactor and in which a nutrient medium can be held. At least some of the reactor vessels are individual vessels. Adjacent reactor vessels form a gap between a front wall and a rear wall, the gap being closed at the top side by an overflow wall region and having a vessel overflow opening between the adjacent reactor vessels. A lighting element is held in the gap. Each of the reactor vessels has a partition which divides the reactor vessel into a front reactor chamber and a rear reactor chamber. At least one partition through-flow opening between the front and rear reactor chambers is formed in the partition close to the bottom wall.

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CULTURING METHOD AND CULTURING DEVICE

NºPublicación: US2022312705A1 06/10/2022

Solicitante:

HONDA MOTOR CO LTD [JP]

JP_2022157460_PA

Resumen de: US2022312705A1

In a culturing method, microalgae are cultured in a culturing solution while a gas containing carbon dioxide is supplied to the culturing solution. In an ion concentration acquisition step, an acquired value of a concentration of hydrogen carbonate ions in the culturing solution is obtained. In an ion concentration adjustment step, in the case that the acquired value does not reside within a set concentration range that is set beforehand, at least one of a temperature or a pH of the culturing solution is adjusted, whereby the concentration of hydrogen carbonate ions in the culturing solution is adjusted to reside within the set concentration range.

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Medicine compound for radiation protection as well as preparation method and application of medicine compound

NºPublicación: CN115137759A 04/10/2022

Solicitante:

UNIV ZHEJIANG

Resumen de: CN115137759A

The invention discloses a medicine compound for radiation protection as well as a preparation method and application of the medicine compound. The amifostine and the natural microalgae in the drug compound have osmotic pressure driven combination, are gradually degraded in intestinal tracts after being orally taken, completely cover the intestinal tracts and slowly release drugs, so that the drug concentration of small intestine tissues is remarkably improved, and the radiation protection effect on the intestinal tissues is fully exerted; meanwhile, whole-body toxic and side effects of the medicine are avoided. In addition, the medicine compound can also realize the effects of supplementing nutrient substances and regulating intestinal inflammation, is good in oral safety, simple and feasible in preparation process and easy to store and take, overcomes the problems of low absorption efficiency and oral safety of medicines and preparations prepared in the prior art, and has a wide application prospect in the field of intestinal radiation protection.

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Isolated culture method of aerial microalgae

NºPublicación: CN115141755A 04/10/2022

Solicitante:

UNIV CHONGQING JIAOTONG

Resumen de: CN115141755A

The method is characterized by comprising the following steps: preparing a culture solution rich in an inorganic nutrient source and an organic carbon source, obtaining a liquid culture medium and a solid culture medium based on the culture solution, carrying out enrichment culture and enlarged culture by using the liquid culture medium, and carrying out repeated separation and purification culture by using the solid culture medium. And selecting the peripheries of the algae spots with good characteristic consistency, transferring the algae spots into a liquid culture medium, carrying out enrichment culture, and carrying out purebred detection. According to the method, the aerogenic microalgae target object can be better separated from the natural environment, the growth of the aerogenic microalgae can be effectively promoted, and the influence of bacteria and fungi is reduced, so that the aerogenic microalgae is effectively separated and purified.

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High-efficiency treatment and resource recovery system for high-concentration wastewater

Nº publicación: CN217535754U 04/10/2022

Solicitante:

UNIV GUANGXI

Resumen de: CN217535754U

The utility model discloses an efficient treatment and resource recovery system for high-concentration wastewater, which comprises an integrated circuit (IC) reactor, a photobioreactor, a microalgae filter sieve and a plant water circulation cultivation frame, water purified by the photobioreactor is filtered by the microalgae filter sieve and then enters the plant water circulation cultivation frame, and the plant water circulation cultivation frame is used for hydroponic plants; filamentous microalgae are cultured in the photobioreactor. Through organic combination of the devices, anaerobic and aerobic treatment of wastewater is realized, nutrient substances in the wastewater are recovered at the same time, anaerobic fermentation treatment is performed through the IC reactor, effluent after anaerobic fermentation is purified by filamentous microalgae in the photobioreactor, and the effluent after anaerobic fermentation is purified by filamentous microalgae in the photobioreactor. Finally, cells of the filamentous microalgae are obtained through filtration of the microalgae filter sieve, finally, the wastewater enters the plant water circulation cultivation frame to be used for plant cultivation, and finally the technical method for efficiently treating the high-concentration wastewater and obtaining the filamentous microalgae at low cost is achieved.

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