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A method for enhancing microalgal growth activity using a medium irradiated with ionizing radiation

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.

FUNCTIONAL FOOD INGREDIENT BASED ON MICROALGAE CHLORELLA VULGARIS AND LACTIC ACID BACTERIA LACTOBACILLUS PLANTARUM, ITS PREPARATION AND USE

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

MICROALGAE PRODUCTION SYSTEM ON AN INDUSTRIAL AND COMMERCIAL SCALE (Machine-translation by Google Translate, not legally binding)

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)

FUNCTIONAL FOOD INGREDIENT BASED ON CYANOBACTERIA AND/OR MICROALGAE, ITS PREPARATION AND USE

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

LIGHT SUPPLEMENTATION AND THERMAL INSULATION DEVICE FOR MICROALGAE PIPELINE CULTIVATION AND METHOD FOR MICROALGAE PIPELINE CULTIVATION

Resumen de: US2025034507A1

A light supplementation and thermal insulation device for microalgae pipeline cultivation and a method for microalgae pipeline cultivation is provided. The light supplementation and thermal insulation device has a combined light conversion film body, fixing parts located at an upper end and a lower end of the combined light conversion film body, and lifting systems; the combined light conversion film body comprises a bottom opaque film, a middle reflective film, and an upper light conversion film; the bottom opaque film, the middle reflective film, and the upper light conversion film are fixed together as a whole by the fixing parts at the upper end and the lower end; the lifting systems are connected to the fixing parts at the upper end. It solves the problem of difficult light supplementation during the daytime in microalgae pipeline cultivation and also addresses the issue of thermal insulation during the nighttime.

NOVEL METHOD OF PRODUCING AN ALGAE COMPOSITION

Resumen de: AU2023311352A1

A system and method for growing microalgae capable of mixotrophic metabolism, preferably Chlorella sp. Microalgae grown in the system using the method are able to survive and grow in dark refrigeration, which allows the algae to be stored and transported for application as a live culture. In addition, the microalgae can be grown in sufficient quantities to be sold commercially for application to crops as a biostimulant.

SYSTEM FOR PRODUCING MICROALGAE ON AN INDUSTRIAL AND COMMERCIAL SCALE

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.

Method for maintaining continuous photosynthetic hydrogen production of microalgae under ultrahigh light intensity

Resumen de: CN119372263A

The invention discloses a method for maintaining continuous photosynthetic hydrogen production of microalgae under ultrahigh light intensity, and belongs to the technical field of biological energy sources. The method comprises the following steps: culturing microalgae: transferring microalgae species into a TAP culture medium, and carrying out illumination culture until the number of microalgae cells reaches a logarithmic phase; the preparation method comprises the following steps: synthesizing a poly (N-isopropylacrylamide-butyl acrylate) copolymer, namely dissolving N-isopropylacrylamide, butyl acrylate and an azodiisobutyronitrile solution in anhydrous tetrahydrofuran, removing oxygen for 30 minutes under the action of magnetic stirring, and reacting for 24 hours at the temperature of 50 DEG C after the oxygen removal is finished, so as to obtain PNIPAM-BA (poly (N-isopropylacrylamide-butyl acrylate)-BA (poly (N-isopropylacrylamide-butyl acrylate))-BA (poly (N-isopropylacrylamide)-BA); the method comprises the following steps: taking a microalgae solution, centrifugally collecting microalgae, dispersing the microalgae in an HM culture medium, adding PNIPAM-BA and graphene oxide, and continuously illuminating at 25 DEG C under the light intensity of 2000 mu mol photons.m <-2 >. S <-1 >; the sunlight-driven intelligent microalgae photoreactor is constructed through graphene oxide and PNIPAM-BA, the survival rate and chlorophyll content of microalgae under the ul

Chlorella microalgae and application thereof in sewage treatment

Resumen de: CN119372063A

The invention discloses a chlorella microalgae and an application of the chlorella microalgae in sewage treatment, and the collection number of the chlorella is CCTCC (China Center for Type Culture Collection) 20231952. Chlorella is used for treating sewage, and for oil-containing food processing plant wastewater, compared with activated sludge, chlorella has no growth inhibition on high-oil wastewater. For printing and dyeing wastewater which cannot be treated by activated sludge, chlorella can be used for directly treating the printing and dyeing wastewater. The treatment of animal husbandry wastewater shows that the chlorella further degrades refractory organic matters (COD (Chemical Oxygen Demand) is reduced to 200mg/L or below) in the sewage and can replace an advanced treatment end, namely, the dosage of chemical agents is reduced, the secondary pollution is avoided, and the cost is saved. Meanwhile, the treatment conditions of anaerobic effluent and raw wastewater show that compared with an activated sludge method and an anaerobic digestion method, the chlorella can more quickly and efficiently remove organic matters in sewage.

Plant disease resistance inducer, method for inducing plant disease resistance, and method for producing plant disease resistance inducer

Resumen de: CN119384223A

The present disclosure provides a plant disease resistance inducer capable of effectively inducing the resistance of a plant to a disease. The plant disease resistance inducer according to the present disclosure contains secretions of cyanobacteria.

Preparation method of beta-carotene based on dunaliella salina

Resumen de: CN119350207A

The invention relates to the technical field of carotene preparation, in particular to a method for preparing beta-carotene based on dunaliella salina, which comprises the following steps: collecting algae liquid, and carrying out centrifugal dewatering treatment on the algae liquid to obtain algae mud; the obtained algae mud is further subjected to wall breaking treatment, and conditions are provided for preparation of beta-carotene; receiving the wall-broken algae mud, and further performing drying treatment to obtain algae powder to provide conditions for preparation of beta-carotene; according to the method, wall breaking is carried out on the dunaliella salina by adopting a combined physical wall breaking technology, and then the beta-carrot is extracted by adopting supercritical CO2, so that the extraction rate is increased. Supercritical CO2 is used as a green separation technology, and physiological active substances extracted from microalgae have the advantages of being high in purity, capable of keeping biological activity, high in extraction rate, pure in color and taste, high in stability, high in product additional value and the like.

Microalgae culture tank

Resumen de: CN222389814U

The utility model relates to the field of microalgae culture, and discloses a microalgae culture tank which comprises a tank body, a motor is fixedly installed at the bottom end of the tank body, a rotating rod is fixedly connected to the top end of an output shaft of the motor, the rotating rod penetrates through and is rotationally connected to the inner wall of the tank body, and a fixing ring is fixedly connected to the outer wall of the upper end of the tank body. A tank cover is arranged at the top end of the tank body, a scraping assembly is arranged on the inner wall of the tank body and comprises a scraping plate, a first connecting block is fixedly connected to the left side of the scraping plate, a supporting plate is fixedly connected to the right side of a rotating rod, and the first connecting block is slidably connected to the right side of the supporting plate. According to the utility model, microalgae or other biological substances attached to the inner wall of the tank body can be scraped off through rotation of the scraper plate, the substances attached to the inner wall are reduced, the tank body is kept clean, nutrient substances and gas in a water body can be exchanged with microalgae cells more smoothly, and the growth and metabolism of the microalgae are promoted.

Treatment system for producing biomass energy by utilizing antibiotic-containing high-concentration wastewater

Resumen de: CN222389705U

The utility model discloses a treatment system for producing biomass energy by utilizing antibiotic-containing high-concentration wastewater. The system consists of a wastewater pretreatment unit, a struvite precipitation treatment unit, a microalgae resourceful treatment wastewater unit, a biomass efficient flocculation and recovery unit, a wastewater circulation treatment unit and a biodiesel extraction production unit which are sequentially connected together through pipelines. According to the utility model, high-concentration wastewater can be treated by coupling a struvite precipitation method and a microalgae wastewater treatment method, so that the water quality is purified; and antibiotics in the wastewater can be effectively biodegraded, and fertilizers and microalgae biodiesel can be produced, so that the implementation cost is greatly reduced.

Ecological restoration method for saline-alkali soil

Resumen de: CN119344020A

The invention relates to the technical field of soil remediation, in particular to a saline-alkali soil ecological remediation method. The ecological restoration method for the saline-alkali soil comprises the following steps: (1) adding a saline-alkali soil modifier into the saline-alkali soil; (2) applying a microbial fertilizer to the saline-alkali soil; (3) applying a mixed microalgae solution to the saline-alkali soil; and (4) carrying out rotation planting on saline-alkali tolerant plants in the treated saline-alkali soil. According to the comprehensive and systematic ecological restoration method for the saline-alkali soil, the saline-alkali soil modifier, the microbial fertilizer and microalgae treatment are organically combined, saline-alkali tolerant crops are planted in the saline-alkali soil in a rotation mode, the restoration effect of the saline-alkali soil can be effectively improved, and a solution is provided for an actual engineering project.

Method for implementing microalgae carbon sequestration technology for carbon dioxide flue gas recovery

Resumen de: CN119345897A

The invention discloses a method for implementing a microalgae carbon sequestration technology by recycling carbon dioxide flue gas, and relates to the field of environment and energy, and the method comprises the following steps: step 1, microalgae cultivation: feeding microalgae, a culture solution and water into a liquid storage tank through an adding port, at the moment, the collected carbon dioxide flue gas is fed into a gas supply box by a carbon dioxide supply system through a supply pipe and a connecting pipe, and forms small bubbles through a plurality of aeration pipes to be dissolved in water, and carbon sequestration treatment is carried out on carbon dioxide by utilizing photosynthesis of microalgae; step 2, mixing: utilizing a rotating assembly in a driving mechanism, driving a gear ring to rotate through a rotating driving gear, enabling an upper shell to rotate along a lower shell, and ensuring that the microalgae are uniformly distributed in a liquid storage tank and fully contacted with light and carbon dioxide through a stirring rod; thirdly, separation maintenance is conducted, an electromagnet in a separation assembly is powered on to generate magnetism, a clamping block of a clamping assembly is inserted into a clamping groove, clamping connection of an inserting rod and threaded rods is completed, at the moment, a double-shaft motor works, the two threaded rods can be controlled to rotate under the action of a transmission wheel, and separation maintena

SYSTEMS AND METHODS FOR PH CONTROL OF SEAWATER AND/OR FRESHWATER

Resumen de: WO2025019553A2

Some aspects of the present disclosure are generally related to systems and methods configured for growing microalgae and/or macroalgae, for example, for biomass generation or other applications. In some embodiments, the microalgae and/or macroalgae may be grown using carbon from CO2 generated from biological sources, and thus the microalgae and/or macroalgae may be certified as organically grown in some cases. According to some embodiments, the systems described herein introduce CO2 into the water in which the microalgae and/or macroalgae are grown and optionally, the systems may be configured to monitor and/or adjust a flow rate of the CO2 to regulate a pH of the water. Still other aspects are directed to methods of using the systems, kits including such systems, or the like.

NOVEL USE OF AN EXTRACT OF THE MICROALGA PHAEODACTYLUM TRICORNUTUM

Resumen de: WO2025017264A1

The invention relates to a Phaeodactylum tricornutum extract or to a composition comprising same for facilitating the resumption of a physical activity, advantageously a sports activity, and/or reducing cardiovascular risks and/or risks related to fragile bones and/or joints when resuming a physical activity, advantageously a sports activity.

NOVEL USES, IN PARTICULAR DERMATOLOGICAL USES, OF AN EXTRACT OF THE MICROALGA DUNALIELLA TERTIOLECTA

Resumen de: WO2025017021A1

The present invention relates to a D. tertiolecta extract or a composition comprising same, for use in preventing the appearance of and/or reducing acne and/or reducing dysseborrhoea and thereby purifying the skin, and/or preventing the appearance of and/or reducing acne lesions and thereby reducing imperfections, and/or reducing inflammation and thereby soothing the skin. The extract is also effective in maintaining and/or improving the barrier function, and/or improving skin texture. The invention also relates to a dermatological composition comprising a D. tertiolecta extract.

Reactor for fixing CO2 in fermentation tail gas through coupling of microalgae culture and fermentation

Resumen de: CN119331710A

The invention provides a reactor for coupling fixation of CO2 in fermentation tail gas in microalgae culture and fermentation. The reactor comprises a material supplementing tank, a material supplementing pump, a bioethanol fermentation tank and a microalgae photobioreactor, the material supplementing tank is communicated with the bioethanol fermentation tank through a first pipeline, and the material supplementing pump is arranged on the pipeline; the bioethanol fermentation tank is communicated with the microalgae photobioreactor through a second pipeline; a microalgae culture medium and a cold light source illumination assembly are arranged in the microalgae photobioreactor. The reactor provided by the invention can fix CO2 generated in the ethanol continuous fermentation process through microalgae, the microalgae growth and carbon fixation rate is high, and the reactor has a relatively good treatment effect on CO2 generated in the ethanol fermentation process.

Manufacturing device and manufacturing method of soft plate type photobioreactor runner

Resumen de: CN119331709A

The invention relates to the field of microalgae culture photobioreactors, in particular to a manufacturing device and a manufacturing method of a soft plate type photobioreactor runner. According to the manufacturing device, two (or one folded) photobioreactor sheets with baffle structures are automatically aligned and continuously welded with rib plates of any length in a large scale to form a soft plate type photobioreactor runner, and then the soft plate type photobioreactor is manufactured. The invention relates to a flexible plate type photobioreactor, and aims to solve the problems that in the manufacturing process of a flexible plate type photobioreactor with an internal baffle structure, two (or one folded) sheet rib plates of a photobioreactor with a baffle structure are difficult to weld, the production efficiency is low, the manufacturing cost is too high, the quality is difficult to guarantee, and only a small-size flexible plate type photobioreactor can be manufactured.

Method for processing carboxylic acid-containing separation product of separation process

Resumen de: CN119343459A

The invention relates to a method for processing a carboxylic acid-containing separation product of a separation process, in particular a process for separating fish oil and/or algal oil, wherein polyunsaturated hydrocarbons are produced at least from a portion of the carboxylic acid by means of a microorganism. Suitably, the polyunsaturated hydrocarbons are or include omega-3 fatty acids and/or omega-6 fatty acids, preferably EPA, DHA and/or DPA. In one embodiment of the invention, the microorganisms are or include yeasts, fungi, bacteria and/or in particular marine protists, preferably microalgae. The yeast is preferably a Yarrowia lipolytica-based yeast, and the marine protists are preferably microalgae of Schizochytrium limacinum, preferably Schizochytrium limacinum SR21. The invention also relates to a biomass containing polyunsaturated hydrocarbons produced by microorganisms.

Preparation method and application of algicidal bacterial powder of pseudomonas

Resumen de: CN119331862A

The invention discloses a preparation method and application of algicidal bacterial powder of pseudomonas, and relates to the technical field of microorganisms. Pseudomonas HB01 is separated from bottom mud in a cyanobacterial bloom environment, and the pseudomonas HB01 is applied to treatment of cyanobacterial bloom in lakes by utilizing the characteristic that bacterial liquid containing the pseudomonas HB01 has good algae-lysing activity. The separated pseudomonas HB01 has a good algae-lysing effect on microcystis aeruginosa, the removal rate within 72 hours can reach 85% or above, and the pseudomonas HB01 also has good performance on other common water bloom algae.

Award imparting system, award imparting device, computer-readable medium, and award imparting method

Resumen de: CN119338519A

The present invention addresses the problem of providing a reward imparting system, a reward imparting device, a computer-readable medium, and a reward imparting method, whereby it is possible to increase the number of people participating in the cultivation of algae. In order to solve the problem, a reward imparting system according to an embodiment of the present invention is provided with a cultivation device for cultivating microalgae, a measurement device for measuring a physical quantity indicating the degree of cultivation of the microalgae, and a reward imparting device. A reward assigning device is provided with a reward determining unit and an assigning unit. The reward determination unit uses the physical quantity to determine the number of rewards corresponding to the carbon dioxide absorption amount of the microalgae or the degree of cultivation. The assigning unit assigns the number of rewards to the owner of the cultivation device.

Application of microalgae polysaccharide in improving intestinal immunity of dairy cow

Resumen de: CN119326069A

The invention relates to application of microalgae polysaccharide in improving intestinal immunity of dairy cows, belongs to the technical field of feeds, and the microalgae polysaccharide prepared by the invention is used for improving the secretion volume of intestinal mucosa to lgA, lgG and lgM. Kelp buds, dunaliella salina and haematococcus pluvialis are compounded and mixed according to a specific proportion, trypsin and nattokinase are adopted for pre-enzymolysis within a certain period of time, then hemicellulase and pectinase are adopted for enzymolysis within a certain period of time, and the enzymolysis effect is good. The obtained microalgae polysaccharide product has an excellent effect of promoting the intestinal tract of the dairy cow to secrete immune globulin, the content of IgA, IgG and IgM in the intestinal tract of the dairy cow can be greatly increased, the immunity of the intestinal tract of the dairy cow is further improved, and the microalgae polysaccharide product can be used as a substitute component for efficiently improving the immune function of the intestinal tract of the dairy cow.

Photobioreactor sheet with baffle structure as well as integral one-time forming manufacturing device and manufacturing method of photobioreactor sheet

Nº publicación: CN119331708A 21/01/2025

Solicitante:

INST OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
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Resumen de: CN119331708A

The invention relates to the field of microalgae culture photobioreactors, in particular to a photobioreactor sheet with a baffle structure and an integral one-time forming manufacturing device and method of the photobioreactor sheet. The invention further relates to a manufacturing device and a manufacturing method for manufacturing a soft plate type photobioreactor by adopting the photobioreactor sheet with the baffle structure. The problem that the photobioreactor sheet with the baffle structure is difficult to integrally form at one time and continuously produce is solved; and the photobioreactor sheet with the baffle structure, which is stable and reliable in quality and has any length, and a corresponding manufacturing device and a corresponding manufacturing method are provided for subsequent welding of rib plates, drawstring welding and peripheral edge welding between flow channels of the soft plate type photobioreactor.