MICROALGAS: CULTIVO Y USOS

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Resultados 101 resultados LastUpdate Última actualización 29/11/2022 [13:52:00] pdf PDF xls XLS

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



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MICROALGAE INCUBATOR FOR PRODUCTION OF BIOFUEL

NºPublicación: US2022275320A1 01/09/2022

Solicitante:

KIM JAE HOON [KR]

AU_2021204420_A1

Resumen de: US2022275320A1

Disclosed herein is a microalgae incubator. The microalgae incubator is formed as a container in the form of a barrel having an open upper surface and a predetermined depth to accommodate water containing microalgae. The microalgae incubator has a regular polygonal cross section having an even number of vertices or a circular cross section. The microalgae incubator includes an air pipe configured such that an inner tube is located inside the microalgae incubator along a direction passing through a center of a cross section in a lower portion of a body of the microalgae incubator and both ends of the inner tube form connection holes in a surface of the body of the microalgae incubator.

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Raw coconut latte-flavored multifunctional nutritional jelly containing spirulina and phycocyanin and preparation method thereof

NºPublicación: CN114947085A 30/08/2022

Solicitante:

WANG YUAN

Resumen de: CN114947085A

The invention discloses a raw coconut latte-flavored multifunctional nutritional jelly containing spirulina and phycocyanin, which has the effects of refreshing and the like. In order to solve the problems of sub-health and the like caused by factors such as too fast pace of life and high working pressure of office workers, the multifunctional nutritional jelly specially eaten by the office workers in the daytime is researched and developed according to the difference of nutritional ingredients required by human bodies in the morning and in the evening. According to the present invention, the multiple raw materials are combined to achieve the synergistic effect, and the spirulina, the probiotics, the white kidney beans, the fish collagen peptide and other natural functional components are scientifically fused, such that the effects of refreshing, consciousness restoring, fat reducing, belly filling, fatigue relieving and the like are achieved. According to the invention, the traditional mode is broken through, and the marine microalgae protein is added into the jelly, so that the nutritional value of the jelly is improved, and functional jelly products are pushed to a new stage. The jelly is glittering and translucent, has coconut fragrance, is silky, is convenient to eat and carry, is free of addiction and artificial color, is convenient to prepare, and has objective market prospects. The invention also provides a preparation method of the jelly.

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Photovoltaic land microalgae culture system

NºPublicación: CN217324028U 30/08/2022

Solicitante:

UNIV HEBEI AGRICULTURE
HEBEI ZAOYUAN TIANXIA AGRICULTURAL TECH DEVELOPMENT CO LTD

Resumen de: CN217324028U

The utility model discloses a photovoltaic land microalgae culture system which comprises a photovoltaic land, a culture unit, a buffer unit and a circulation unit, the photovoltaic land is a land on which a plurality of rows of solar photovoltaic panels are built, and the solar photovoltaic panels are supported by stand columns. The culture unit comprises a plurality of flexible transparent cylinder belts which are approximately horizontally laid in parallel and are used for accommodating a culture solution and microalgae, and the circulating unit is used for conveying the culture solution and the microalgae from the buffer unit to the inlet ends of the transparent cylinder belts; the transparent barrel belt is approximately horizontally laid below the rows of solar photovoltaic panels, and the arrangement extension direction of the solar photovoltaic panels is basically perpendicular to the extension direction of the transparent barrel belt. According to the system, the characteristics of an existing photovoltaic field are combined with microalgae culture, the solar photovoltaic panel helps microalgae shield hard light, the stand columns provide convenience for building a sunshade net, the problems of weed breeding and even fire disasters of the photovoltaic field are controlled through microalgae culture, and the utilization value of the photovoltaic field is improved.

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Pipeline photobioreactor support for culturing microalgae

NºPublicación: CN217324044U 30/08/2022

Solicitante:

SHILIN YANDING METAL COMPONENT FACTORY

Resumen de: CN217324044U

The utility model provides a pipeline photobioreactor support for culturing microalgae, which comprises a stand column and a support frame, one side of the surface of the stand column is provided with a plurality of equidistantly distributed first limiting grooves along the Y-axis direction, the support frame comprises a mounting plate, one side of the mounting plate is provided with first limiting blocks, the first limiting blocks are matched with the first limiting grooves, and the first limiting blocks are matched with the first limiting grooves. A supporting plate is arranged on the other side of the mounting plate, a second limiting groove is formed in the middle of the supporting plate, a first limiting plate is arranged on the side, close to the mounting plate, of the second limiting groove, and a second limiting plate is arranged on the side, away from the mounting plate, of the supporting plate; the whole horizontal pipeline can ensure that algae in the pipeline receive light evenly, meanwhile, the supporting frame is connected to one side of the surface of the stand column in a clamped mode so that the supporting frame can be conveniently installed and detached, the second limiting plate and the supporting plate are arranged in an inclined mode so that the supporting frame can adapt to pipelines with different pipe diameters, and the practicability of the supporting frame is improved.

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Microalgae culture method

NºPublicación: CN114958611A 30/08/2022

Solicitante:

UNIV KOREA RES & BUS FOUND

US_2022267715_PA

Resumen de: CN114958611A

The present invention relates to a method for culturing microalgae, the method comprising: a step for culturing microalgae in a culture medium in an autotrophic manner within a predetermined first time during which light is supplied; and a step for culturing the microalgae in a heterotrophic manner by supplying an organic carbon source to the culture medium for a predetermined second time during which the supply of light is interrupted.

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Special biological reaction device for intelligently monitoring microalgae culture

NºPublicación: CN217324040U 30/08/2022

Solicitante:

RIZHAO POLYTECHNIC

Resumen de: CN217324040U

The utility model belongs to the field of microalgae culture, and particularly discloses a special biological reaction device for intelligently monitoring microalgae culture, which comprises an LED (light-emitting diode) illuminating lamp and a power line connected onto the LED illuminating lamp, a transparent cover is arranged on the outer side of the LED illuminating lamp, a sealing piece is screwed at an opening of the transparent cover, clamping rings are mounted at two ends of the LED illuminating lamp, and the clamping rings are connected with the LED illuminating lamp. A supporting ring is arranged on the outer side of the clamping ring and tightly attached to the inner wall of the transparent cover, two sets of hanging rods are symmetrically installed at the upper end of the transparent cover in a penetrating mode, the hanging rods are hollowed out, the power line penetrates into the hanging rods close to an opening of the transparent cover, and a floating disc is coaxially embedded in the upper edge of the outer side of each hanging rod. And an extending part is mounted at the upper end of the floating disc. According to the microalgae culture device, the convenience in use can be improved while the microalgae culture effect is improved.

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CULTIVATING METHOD OF MICROALGAE

NºPublicación: KR20220120454A 30/08/2022

Solicitante:

UNIV KOREA RES & BUS FOUND [KR]

Resumen de: KR20220120454A

본 발명은 미세조류 배양방법에 관한 것으로, 본 발명에 따른 미세조류 배양방법은 빛이 공급되는 소정의 제1 시간 동안, 독립영양방식으로 배지에서 미세조류를 배양하는 단계, 및 빛의 공급이 중단된 소정의 제2 시간 동안, 배지에 유기탄소원을 공급하여 종속영양방식으로 미세조류를 배양하는 단계를 포함한다.

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APPARATUS FOR THE DETECTION, ASSESSMENT AND MITIGATION OF CYANOBACTERIA

NºPublicación: WO2022177901A1 25/08/2022

Solicitante:

EGET LIBER INC [US]

Resumen de: WO2022177901A1

The invention relates to the detection, assessment and mitigation of harmful water-borne bacteria such as cyanobacteria. Multiple apparatus embodiments and variations are described. One apparatus can apply at least one of UV-C irradiation, microbubbles containing ozone and ultrasonic sound to mitigate the harmful water-borne bacteria. The systems and methods of the invention can be applied to bodies of water, including fresh water and salt water, and can be applied to wastewater treatment. The systems and methods of the invention can be used to reduce the concentration of algae directly and can be used to reduce the concentration of nutrients in water that algae use to grow. Methods of mitigation of the harmful bacteria are described that do not involve the introduction of chemicals into the environment.

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METHODS, APPARATUS, AND SYSTEMS FOR HIGHLY EFFICIENT HARVESTING AND CULTIVATION OF MICROALGAE BIOMASS

NºPublicación: WO2022178044A1 25/08/2022

Solicitante:

DEEP GREEN BIOMASS LLC [US]

US_2022259535_A1

Resumen de: WO2022178044A1

Some embodiments are directed to a system for the efficient cultivation of algae using both cultivation media and growth media. The system can include: discrete biomass receptacles, each receptables being configured to contain the cultivation medium and the algae; a supplier configured to supply the cultivation media to each of the receptacles, the supplier being configured to provide the growth media to each of the multiple receptacles, the supplier defining an orifice through which at least one of the cultivation media and the growth medium is provided to each of the receptables; sensors, one sensor being disposed at each of the multiple receptacles to sense conditions therein; and a controller that is in communication with each of the sensors, the controller being configured to control an amount of growth media supplied to each receptacle based on sensed conditions so as to enhance algae growth within each of the receptacles.

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METHOD FOR MICROALGAL CULTIVATION

NºPublicación: EP4047080A1 24/08/2022

Solicitante:

UNIV KOREA RES & BUS FOUND [KR]

CN_114958611_PA

Resumen de: EP4047080A1

Disclosed is a method for microalgal cultivation. The method includes cultivating a microalgal species in a medium in an autotrophic mode for a predetermined first time period where light is supplied and supplying an organic carbon source to the medium to cultivate the microalgal species in a heterotrophic mode for a predetermined second time period where the supply of light is stopped.

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Carbon dioxide reduction lighting system using microalgae

NºPublicación: KR20220117043A 23/08/2022

Solicitante:

WATER BIOTECH [KR]

Resumen de: KR20220117043A

이산화탄소는 사람의 활동이 많을수록 농도가 심해지고 1000PPM을 넘어서면 신체에 악영향을 주기도 한다. 보통의 가정에서는 가족이 모이는 저녁시간부터 이산화탄소의 농도가 높아지는데 심할경우 답답함, 호흡곤란등이 올수 있다. 그러나 대기오염과 지구온난화로 인해 환기에도 한계가 있을 수 있다. 그래서 공기청정기, 산소발생기등 실내질향상 관련 기구의 활용이 높아졌는데 경제적 부담이나 저효율성 문제등을 야기하고 있다. 본 발명은 미세조류를 활용한 이산화탄소 저감 조명시스템에 관한 것으로, 보다 상세하게는 기존 조명시스템의 전력을 활용하여 미세조류를 배양하고 미세조류의 뛰어난 산소배출 능력을 통해 이산화탄소를 저감하여 실내공기질 향상시키는데 관한 것이다. 미세조류의 이산화탄소 제거효율이 나무와 식물에 비교하여 최소 25배에서 최대 200배로 실내공기 내 이산화탄소 제거능력이 우수하므로 미세조류 필터 내에 미세조류(클로렐라, 스피룰리나 등)를 배양하고, 필터 내에 실내공기를 CO2 주입 펌프, CO2 조절기, CO2 센서, 공기순환FAN를 통해 공급하여, 실내공기 내 이산화탄소를 미세조류의의 광합성을 통해 높은 효율로 제거하는 것으로 달성된다. 본 발명의 다른 목적은, 조명시스템의 LED 조명�

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Glass tube bracket for microalgae pipeline culture

NºPublicación: CN217265643U 23/08/2022

Solicitante:

JINGZHOU NATURAL SHRIMP QINGSU CO LTD

Resumen de: CN217265643U

The utility model discloses a glass tube bracket for microalgae pipeline culture, which comprises a bottom plate, four studs are fixedly mounted at the bottom of the bottom plate, springs are sleeved on the outer sides of the four studs, backing rings are fixedly mounted at the bottom ends of the springs, threaded cylinders are in threaded connection with the outer sides of the four studs, and rubber rings are fixedly mounted at the bottoms of the threaded cylinders. And spherical universal wheels are movably mounted at the bottom ends of the four studs. Through the arrangement of the top seat and the base, the glass tube is installed on the opposite sides of the top seat and the base in a sleeving mode, then pipelines are connected through the pipeline openings, the overall scheme is good in use effect, the pipelines can be installed according to actual requirements, adjustment can be conducted according to actual conditions, and the use effect is good; and the device can adapt to glass tubes with different heights and is suitable for culturing different microalgae.

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Combined photobioreactor system and application thereof in microalgae culture

NºPublicación: CN114921337A 19/08/2022

Solicitante:

BEIHAI XINHUI SEMICONDUCTOR TECH CO LTD
GUANGXI JUNSHENG BIOLOGICAL TECH CO LTD

Resumen de: CN114921337A

The invention relates to a photobioreactor in the field of bioengineering, in particular to a combined photobioreactor system and application thereof in microalgae culture. The combined photobioreactor system comprises a box made of a light-transmitting material, an air inlet device and a circulating power source, a liquid inlet, an exhaust port and a discharge port are formed in the box, the box is columnar, a first main light source and a second main light source which are arranged along the outer side of the box and are oppositely distributed are adopted as light sources arranged on the outer side of the box, irradiation light of the main light sources is a continuous spectrum, the peak wavelength ranges from 430 nm to 460 nm, and the peak wavelength ranges from 430 nm to 460 nm. The dominant wavelength is 470 nm to 495 nm, and the spectral range is 400 nm to 700 nm; and the circulating pump is respectively connected with the high-position box body liquid inlet and the low-position box body discharge hole through pipelines. The problems that existing production equipment is large in occupied area and low in light radiation flux are effectively solved, and the device has the advantages of being low in equipment investment, small in occupied area, high in light radiation flux, capable of effectively improving the yield of microalgae compared with raceway pond culture and the like.

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Pipeline valve combination applied to microalgae culture photoreactor

NºPublicación: CN217230734U 19/08/2022

Solicitante:

YUNNAN ZHONGKE YUHONG BIOTECHNOLOGY CO LTD

Resumen de: CN217230734U

The utility model relates to the technical field of microalgae culture equipment, in particular to a pipeline valve combination applied to a microalgae culture photoreactor, which adopts the technical scheme that the pipeline valve combination comprises a tubular reactor, a circulation pipeline; the main pipeline comprises a tap water pipeline, a pure water pipeline, an inoculation pipeline and a harvesting pipeline, the tap water pipeline is communicated with the lower pipeline through a first straight-through pipe, a tap water valve is arranged on the first straight-through pipe, the pure water pipeline is communicated with the lower pipeline through a second straight-through pipe, and a pure water valve is arranged on the second straight-through pipe; the inoculating pipeline is communicated with the lower pipeline through a third straight-through pipe, an inoculating inlet valve is arranged on the third straight-through pipe, a first stop valve is arranged on the lower pipeline between the pure water valve and the inoculating inlet valve, the harvesting pipeline is communicated with the lower pipeline through an L-shaped bent pipe, and two harvesting outlet valves are arranged on the L-shaped bent pipe; a second stop valve is arranged on the lower pipeline between the inoculation inlet valve and the harvesting outlet valve; the utility model has the advantages of few accessories, simple structure and few blind areas.

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APPARATUS AND METHOD FOR PRODUCING ALGAL BIOMASS

NºPublicación: WO2022172300A1 18/08/2022

Solicitante:

SYLVALGAE S R L [IT]

Resumen de: WO2022172300A1

An apparatus and a method for the production of algal biomass are described with the aid of industrial and/or urban waste as a growth medium (100), comprising a tank (1) to contain the waste, connected to a pump (2), two tanks (3) and (4) to derive two culture media for the photoautotrophy and heterotrophy phases of the algal growth, connected to the hydraulic separator (5), two photo-bioreactors (6) and (7) for the photoautotrophy and heterotrophy phases of the algal growth, and a dryer (8) to obtain dry algal biomass [DAB], able to monitor the control of microalgae growth in real-time through the use of sensors, electronics and dedicated control software, which integrates technologies innovative such as artificial intelligence and the internet of things, able to regulate all physical parameters (temperature, pH, lighting and turbidity), through the connection with the web server (16).

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NON-TOXIC PROTEINS AND OMEGA-3 FROM ALGAE AND METHOD OF MAKING SAME

NºPublicación: US2022256884A1 18/08/2022

Solicitante:

VAXA TECH LTD [IL]

JP_2022535779_A

Resumen de: US2022256884A1

Disclosed is a non-toxic omega-3 rich extract and non-toxic miscella and a method of producing same. The method may include obtaining an aqueous microalgae slurry comprising at least 65% water; mixing the aqueous microalgae slurry with ethanol for a predetermined duration; separating the aqueous microalgae slurry-ethanol mixture to liquids and miscella; and evaporating the water and the ethanol from the liquid to receive a liquid extract. In some embodiments, the miscella contains organic material and ash at an amount below 15 dry weight %.

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METHODS, APPARATUS, AND SYSTEMS FOR HIGHLY EFFICIENT HARVESTING AND CULTIVATION OF MICROALGAE BIOMASS

NºPublicación: US2022259535A1 18/08/2022

Solicitante:

DEEP GREEN BIOMASS LLC [US]

WO_2022178044_PA

Resumen de: US2022259535A1

Some embodiments are directed to a system for the efficient cultivation of algae using both cultivation media and growth media. The system can include: discrete biomass receptacles, each receptables being configured to contain the cultivation medium and the algae; a supplier configured to supply the cultivation media to each of the receptacles, the supplier being configured to provide the growth media to each of the multiple receptacles, the supplier defining an orifice through which at least one of the cultivation media and the growth medium is provided to each of the receptables; sensors, one sensor being disposed at each of the multiple receptacles to sense conditions therein; and a controller that is in communication with each of the sensors, the controller being configured to control an amount of growth media supplied to each receptacle based on sensed conditions so as to enhance algae growth within each of the receptacles.

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METHOD AND DEVICE FOR ADHERENT CULTURE OF MICROALGAE IN THIN LIQUID LAYER BY MOVEMENT AND MECHANICAL STIRRING

NºPublicación: EP4043545A1 17/08/2022

Solicitante:

SUN XUYANG [CN]

WO_2021068604_A1

Resumen de: EP4043545A1

A method and a device for adherent culture of microalgae in a thin liquid layer by mobile mechanical stirring, comprising: a subsystem for adherent culture of microalgae in thin liquid layer (1), used for adherent culture of microalgae in a culture solution, and comprising a microalgae liquid pool (11) and a culture plate (12), the culture plate (12) being used as a base plate for microalgae seed inoculation, adherent culture, and microalgae harvesting, the microalgae liquid pool (11) containing the culture solution having a water layer with a depth in a range of 1-5 cm, forming a thin liquid layer; and a subsystem for mechanical stirring (2), comprising a mechanical stirring assembly (21), a moving assembly (22), a track member (25), a power drive assembly (23), and a control assembly (24), the moving assembly (22) moving on the track member (25) to drive the mechanical stirring assembly (21) to stir and suspend the microalgae, and the microalgae standing and gradually settling to the bottom after stirring, thereby carrying out adherent culture in a cycle of suspension and settlement.

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Full-automatic denitrification process with low energy consumption

NºPublicación: CN114906937A 16/08/2022

Solicitante:

UNIV SOUTH CHINA TECH

Resumen de: CN114906937A

According to the low-energy-consumption full-automatic nitrogen removal process, mixed sludge of river and lake bottom mud, nitrification sludge and anaerobic ammonia oxidation sludge is adopted as inoculation sludge, the mixing volume ratio is 1: 1: 1-1: 2: 4, the inoculation amount is 20%-35% of the volume of a device, and NH4 < + >-N in wastewater serves as a nitrogen source in inflow water. Water is fed from the bottom of the reactor, gas generated by reaction is discharged from an exhaust hole in the top of the reactor in a continuous water feeding mode, and effluent flows out from an overflow weir on the upper portion of the reactor. The pH value of the inlet water is adjusted to 7.5-7.8, the hydraulic retention time HRT is 16-24 hours, and operation is carried out under the condition of normal temperature (10-30 DEG C). After the device runs for 10 days, denitrification is realized by using a photosynthesis-short-cut nitrification-anaerobic ammonia oxidation composite process constructed by microalgae-bacteria co-culture, and the denitrification effect reaches up to 85%.

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Microalgae immobilized culture spraying inoculation device

NºPublicación: CN217202667U 16/08/2022

Solicitante:

FUJIAN ZHENGZHI BOZAOLAN TECH CO LTD

Resumen de: CN217202667U

The utility model discloses a microalgae immobilized culture spray inoculation device in the technical field of microalgae production, which comprises a frame body, a mounting rod is fixedly connected to the side wall of the frame body, a feed pipe is communicated with the top of the frame body, a pump is mounted on the feed pipe, two groups of symmetrical discharge plate frames are fixedly connected to the inner side wall of the frame body, and the discharge plate frames are communicated with the mounting rod. Two sets of symmetrical side baffles are fixedly connected to the discharging plate frame, two sets of symmetrical leaf plates are hinged to the discharging plate frame, fixing rods are fixedly connected to the inner side wall of the discharging plate frame, and springs are fixedly connected between the fixing rods and the leaf plates. The seed spraying device is simple in structure and convenient to operate, seeds can be sprayed conveniently through cooperation of the discharging plate frame and the springs, manual spraying is not needed, and time and labor are saved; the frame body is U-shaped, so that double-sided spraying is facilitated, the inoculation uniformity can be improved, and large-scale application is realized.

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Curtain wall type microalgae culture device

NºPublicación: CN114891598A 12/08/2022

Solicitante:

RIZHAO POLYTECHNIC

Resumen de: CN114891598A

The invention relates to the technical field of microalgae culture, and particularly discloses a curtain wall type microalgae culture device which comprises two transverse frames and a light-transmitting plate clamped between the two transverse frames, fixing rods are vertically installed at the two ends of the two transverse frames respectively, and a plurality of fixing mechanisms are arranged on the outer sides of the two fixing rods respectively. The multiple sets of fixing mechanisms each comprise a supporting seat fixedly arranged on the outer side of the fixing rod in a sleeving mode, the outer wall of one side of each supporting seat is fixedly connected with an L-shaped rod, the outer side of one end of each L-shaped rod is provided with a lighting assembly, and the outer sides of the two supporting seats are jointly provided with a reaction box through correspondingly-arranged clamping mechanisms; the reaction box is made of tempered glass, microalgae bred in the open type reaction box can be used, the microalgae can fully absorb photosynthesis to stably grow, meanwhile, a fluorescent lamp and winged insects coming from the outside can be conveniently blocked, and the problem that the winged insects fall on the inner side of the reaction box, so that the microalgae grow is solved.

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Device for culturing and collecting erbium algae

NºPublicación: CN217173686U 12/08/2022

Solicitante:

COLLEGE OF SCIENCE & TECHNOLOGY NINGBO UNIV

Resumen de: CN217173686U

The utility model relates to the technical field of bait algae culture devices, and discloses a device for culturing and collecting bait algae, which comprises a working table, a culture dish, a halogen lamp and a light guide pipe are arranged on the working table, and the halogen lamp is connected with the light guide pipe; a mounting groove is formed in the light guide pipe, a bearing plate is slidably arranged in the mounting groove, and a plurality of optical filters are arranged in the bearing plate; an electric push rod is arranged on the workbench, and a shell is arranged on the electric push rod; according to the device for culturing and collecting the erbium algae, the purposes of phototaxis and harvesting of the microalgae are achieved by regulating and controlling the culture and illumination conditions of the microalgae, culture and harvesting of the erbium algae can be well achieved, illumination is provided according to the growth rule of the algae, the growth efficiency of the erbium algae is improved, meanwhile, the erbium algae are gathered according to the phototaxis principle of the algae, and therefore the erbium algae can be cultured and collected. And the scraping plate rotates around the culture dish for a circle to scrape the erbium algae into the collecting tank to complete collection, so that the erbium algae culture and collection efficiency is greatly improved.

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Method for treating aquaculture tail water

NºPublicación: CN114890548A 12/08/2022

Solicitante:

MARINE ENV MONITORING CENTRAL STATION GUANGXI ZHUANG AUTONOMOUS REGION

Resumen de: CN114890548A

The invention discloses a method for treating aquaculture tail water, belongs to the technical field of sewage treatment, and particularly relates to a method for treating aquaculture tail water, which comprises the following steps: firstly, carrying out primary culture on microalgae by adopting a BG11 liquid culture medium, then, carrying out activated culture on the microalgae by adopting an enhanced BG11 liquid culture medium to obtain activated microalgae, and finally, inoculating the obtained activated microalgae into the aquaculture tail water, and treating to obtain purified tail water. The enhanced BG11 liquid culture medium is obtained by adding an enhancer into the BG11 liquid culture medium, and the enhancer is diethylaminoacetaldehyde diethyl acetal and saccharic acid-1, 4-lactone. According to the method disclosed by the invention, after the microalgae are cultured by adopting the enhanced BG11 liquid culture medium containing the diethylaminoacetaldehyde diethyl acetal and the saccharic acid-1, 4-lactone, the growth activity of the obtained activated microalgae is high; the method disclosed by the invention has a good removal effect on COD (Chemical Oxygen Demand), total nitrogen and total phosphorus in the aquaculture tail water.

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Application of multifunctional bacillus velezensis AP3 strain in culture of litopenaeus vannamei in saline-alkali water

NºPublicación: CN114890552A 12/08/2022

Solicitante:

UNIV TIANJIN SCIENCE & TECH
NATIONAL AQUATIC PRODUCT TECH PROMOTION MASTER STATION
TIANJIN CITY AQUATIC PRODUCT RES INSTITUTE

Resumen de: CN114890552A

The invention provides application of a multifunctional bacillus velezensis AP3 strain in culture of litopenaeus vannamei in saline-alkali water, and belongs to the technical field of functional strains. The AP3 strain has good exocytosis protease and amylase capacity, and has the capacity of reducing nitrite in aquatic water and inhibiting growth of microcystis. The AP3 strain is mixed with litopenaeus vannamei feed raw materials, the mixture is processed into functional litopenaeus vannamei feed, the functional litopenaeus vannamei feed is used for feeding litopenaeus vannamei cultured in saline-alkali water, and a good effect is achieved. By applying the AP3 strain, the body weight gain rate and the survival rate of the litopenaeus vannamei can be obviously increased, the feed digestibility of the litopenaeus vannamei can be increased, the feed coefficient of the litopenaeus vannamei can be reduced, the content of nitrite and nitrate in a water body for culturing the litopenaeus vannamei and the outbreak rate of cyanobacterial bloom in a shrimp pond can be reduced, and the survival rate of the litopenaeus vannamei can and a new way is provided for nutrition regulation and control under the environment-friendly culture of the litopenaeus vannamei.

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Method for producing plant growth promoter, plant growth promoter, and method for promoting plant growth

Nº publicación: CN114901830A 12/08/2022

Solicitante:

PANASONIC IP MAN CO LTD

US_2022322679_PA

Resumen de: CN114901830A

The present invention relates to a method for producing a plant growth promoter, a plant growth promoter, and a method for promoting plant growth. The method for producing a plant growth promoter comprises: a step (step S01) for preparing a modified cyanobacteria in which the function of a protein involved in the binding of an outer membrane (5) and a cell wall (4) in cyanobacteria is suppressed or lost; and a step (step S02) for causing the modified cyanobacteria to secrete secretions involved in plant growth promotion.

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