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SYSTEM AND METHOD FOR PROCESSING EFFLUENTS AND USE IN THE PRODUCTION OF MICROALGAE

Resumen de: EP4790127A1

A system and method are provided for processing an industrial effluent and cultivating microalgae. The system comprises a primary tank, a screening unit with a motor-driven cleaning mechanism, a flocculation tank supplied with a chemical flocculant, a sand filter, an acidification unit with pH control, a solid-liquid separation unit, an anaerobic digestion unit, and a microalga cultivation unit. The effluent is screened, flocculated, filtered, acidified to a pH from 4.2 to 5.2, preferably 4.45 to 4.75, and subjected to solid-liquid separation to remove precipitated proteins and destabilised colloidal material, thereby producing a clarified effluent. The clarified effluent is anaerobically digested at a defined organic loading rate to generate biogas and a liquid digestate. At least a portion of the digestate and/or carbon dioxide derived from the biogas is used for microalga cultivation. The system enables stable anaerobic digestion without membrane-based pretreatment and provides a conditioned stream suitable for downstream microalga growth.

PROCESS FOR PRODUCING CALCIUM HYDROXIDE

Resumen de: EP4790131A1

A process for producing calcium hydroxide, comprising:reacting calcium carbonate with an acid in an aqueous solution at a temperature of 10-50°C to produce a calcium ion solution and carbon dioxide,separating the carbon dioxide from the calcium ion solution,treating the calcium ion solution to form calcium hydroxide,directing the separated carbon dioxide to a photobioreactor containing microalgae, andgrowing the microalgae in the photobioreactor using the carbon dioxide through photosynthesis.

CARRIERS FOR GROWING ALGAE

Resumen de: US20260223795A1

0000 Microalgae are grown in a biofilm on carriers. In some examples, the carriers are surfaces with a small angle to the vertical. Optionally, the carriers may have surfaces on both sides of a vertical plane (e.g., an inverted V) or surrounding a vertical axis (e.g., a cone). In some examples, the carriers include two or more sheets of a porous material such as a fabric, screen or mesh. In some examples a surface of the carrier is flexible. In some examples, the carriers provide a specific surface area for algae growth greater than 7 m<2>/m<2>.

A GENETICALLY MODIFIED EUKARYOTIC MICROALGA AND INJECTABLE COMPOSITION FOR SYMBIOTIC THERAPY

Resumen de: WO2026163125A1

The present invention relates to a symbiotic therapeutic technique based on a genetically modified eukaryotic microalga (51), preferably photosynthetic, such as for example Chlamydomonas reinhardtii, in which an expression cassette (10) codifying a biologically active peptide and/or protein comprises a secretion coding module (5) of a therapeutic agent to allow the biologically active peptide/protein to be released so that it can cross the cell wall of the microalga (51), to be secreted outside of it and enter directly into the circulation in a subject (53) in which said genetically modified eukaryotic microalga (51) has been subcutaneously or intradermally injected. The microalga can be of a type that naturally: a) lacks flagella; or b) has flagella, in which case a prior genetic modification prevents the formation or inactivates the flagella, so that the microalga remains immobilised at a subject injection site (53). The expression cassette (10) can further comprise at least one further coding module selected from: a homing module (6), for targeting the peptide/protein to a predetermined tissue and/or cell population of the subject (53); a penetrating module (7) for inducing internalisation of the protein within a cell of said subject (53) through the cell membrane or by induced endocytosis; a protection module (9). The invention also relates to a subcutaneously or intradermally injectable composition containing said microalgae, and to a kit for preparing said composition.

ALGAE BIOMASS

Resumen de: US20260226398A1

The invention relates to an algae biomass having particular values within a defined colour space. The invention further relates to a strain of Chlorella microalgae having a genetic mutation in genes encoding for specific subunits of magnesium chelatase, preferably magnesium chelatase subunit, and also relates to a method of producing a strain of Chlorella microalgae having such mutations.

COMPOSITION FOR MAINTAINING OR INCREASING FIBROUS STRUCTURAL PROTEIN

Resumen de: EP4785810A1

0001 An object of the present invention is to provide a formulation effective for maintaining or increasing hair fibrous structural proteins. Provided are a composition for maintaining or increasing fibrous structural proteins, a composition for maintaining or increasing skin elasticity, a composition for improving hair quality, and a composition for promoting production of collagen, elastin, or hyaluronic acid, which contain a culture supernatant and/or extracellular vesicles of a microalga.

Method for removing perfluorinated compounds in wastewater by using nano zero-valent iron-microalgae

Resumen de: CN122482636A

The invention discloses a method for removing perfluorinated compounds in wastewater by using nano zero-valent iron-microalgae, which comprises the following steps: adding nano zero-valent iron into a microalgae culture solution of wastewater containing the perfluorinated compounds to construct a nano zero-valent iron-microalgae synergistic degradation system, and reacting to remove the perfluorinated compounds in the wastewater. According to the method disclosed by the invention, through the constructed nano zero-valent iron-microalgae degradation system, the growth of microalgae can be promoted, and the activity of degrading enzyme can be improved; meanwhile, active substances such as organic acid generated by the microalgae not only can effectively avoid passivation and inactivation of the nano zero-valent iron, but also can mediate generation of extracellular active oxygen (such as. OH), so that the degradation rate of the perfluorinated compounds is remarkably increased, and efficient in-situ removal of the perfluorinated compounds in the wastewater is realized.

Acid-resistant, high-phosphorus-resistant and high-ammonium-nitrogen euglena and application thereof

Resumen de: CN122483924A

The invention relates to the technical field of microbial environment remediation, and particularly discloses acid-resistant, high-phosphorus-resistant and high-ammonium-nitrogen-resistant euglena and application thereof.The microalgae is leachate-resistant euglena Euglena sp. DY2 separated from ardealite leachate and preserved in the China Center for Type Culture Collection (CCTCC) with the preservation number of CCTCC M 20252476, and the acid-resistant, high-phosphorus-resistant and high-ammonium-nitrogen-resistant euglena is a strain of Euglena sp. DY2 separated from ardealite leachate with the preservation number of CCTCC M 20252476. CM culture medium powder is added into a diluent of ardealite leachate according to the mass-to-volume ratio of 5%-20% to prepare an enrichment culture medium of the euglena, and the enrichment culture medium not only can maintain the tolerance of the euglena to the leachate, but also can promote the biomass accumulation of the euglena; the enriched euglena is applied to treatment of the ardealite leachate, and the euglena grows and accumulates biomass by utilizing nutrient elements in the leachate and efficiently removes nitrogen at the same time. According to the method, low-cost and efficient treatment and resource utilization of the ardealite leachate are achieved, microalgae can grow continuously in a photoautotrophic mode, and the method is environmentally friendly and free of secondary pollution and has wide application prospects in tr

Annular magnetic stirring microalgae culture device

Resumen de: CN122483897A

The invention provides an annular magnetic stirring microalgae culture device which comprises a container, an external electromagnetic driving assembly and a magnetic stirring ring, the external electromagnetic driving assembly is arranged outside the container in a liftable mode, and the magnetic stirring ring is arranged in the container. The external electromagnetic driving assembly is used for magnetically driving the magnetic stirring ring to rotate in the container; according to the invention, a central mechanical shaft is not arranged, the central through hole structure of the hollow magnetic stirring ring realizes unobstructed penetration of an internal light path of the reactor, the illumination blind area is reduced, and dead angles such as a sealing ring and a mechanical bearing in the reactor are removed; in cooperation with the fluid scouring effect, wall-hanging deposition of microalgae cells and attachment of infectious microbe biological membranes are prevented, and the pollution probability in long-term continuous culture is reduced.

Composition with anti-oxidation and anti-aging functions, skin care product and preparation method thereof

Resumen de: CN122478789A

The invention relates to a composition with antioxidant and anti-aging functions as well as a preparation method and application of the composition. The composition is prepared from hesperidin methyl chalcone (HMC), chlorophyta microalgae extract and microprotein in a mass ratio of (0.1-30): (0.1-50): (0.1-80). Compared with the prior art, the hesperidin methyl chalcone (HMC), the chlorophyta microalgae extract and the micro-protein in a specific proportion are combined for use to achieve a synergistic effect, so that the anti-wrinkle mask has the effects of resisting skin oxidation, resisting aging and relieving wrinkles.

Graded anaerobic-aerobic biochemical treatment process for breeding wastewater

Resumen de: CN122482694A

The invention discloses a grading anaerobic-aerobic biochemical treatment process for aquaculture wastewater, and belongs to the technical field of aquaculture wastewater treatment. According to the graded anaerobic-aerobic biochemical treatment process for the breeding wastewater, the breeding wastewater subjected to solid-liquid separation is discharged after being subjected to composite conditioning-functional filler contact, USR anaerobic fermentation, UASB anaerobic degradation, medium precipitation pretreatment, two-stage A/O aerobic denitrification, final precipitation separation, microalgae-biological membrane biochemical treatment and disinfection standard reaching treatment. The composite conditioning-functional filler contact tank is used for balancing water quality, buffering load and adsorbing and intercepting suspended and colloidal pollutants; the USR and the UASB cooperate to realize graded anaerobic degradation of organic matters and biogas recovery; the two-section A/O reaction tank is used for enhancing nitrification and denitrification nitrogen removal; and the microalgae-biological membrane biochemical pool further absorbs nitrogen and phosphorus and degrades residual organic matters. All the procedures are monitored in real time and regulated in a linkage mode through the intelligent central control system, and the breeding wastewater treatment stability, the resource utilization rate and the standard discharge reliability can be improved.

Method of Cleaning Microalgae Culture Vessel

Resumen de: KR20260118887A

본 발명은 미세조류 배양기의 배양 수조에 물을 공급하여 충진하는 물 공급 단계와, 상기 배양 수조로 오존을 공급하는 오존 공급 단계와, 상기 배양 수조에 과초산을 공급하는 과초산 공급 단계와, 상기 배양 수조의 내부에 형성된 상기 물과 오존 및 과초산을 포함하는 복합 세척액에 공기 기포를 공급하는 배양 수조 세척 단계와, 상기 배양 수조에 오존 중화제를 공급하는 오존 중화제 공급 단계 및 상기 배양 수조에 수용되어 있는 세척 혼합물을 필터링하는 세척 혼합물 필터링 단계를 포함하는 미세조류 배양기 세척 방법을 개시한다.

PROCESS FOR PREPARING A MICROFIBER COMPOSED OF MICROALGAE LIVING INSIDE, AND RELATED MICROFIBER

Resumen de: US20260218421A1

0000 A process is described for preparing a microfibre with living microalgae inside, including the steps of: preparing and mixing micro-algae and a biomaterial in a nutritional medium; and micro-fluidic spinning of the micro-algae mixture and the biomaterial which is polymerized; wherein the micro-fluidic spinning is carried out in a micro-fluidic spinning chip, provided with a spinning die having a “grooves” section, so as to obtain a grooved section.

BIOLOGICAL FLOCCULANT, PREPARATION METHOD THEREFOR AND USE THEREOF IN CONTROL OF CYANOBACTERIA

Resumen de: US20260218259A1

0000 Provided are a biological flocculant, a preparation method therefor and use thereof in control of Cyanobacteria. The biological flocculant includes cationic hydroxyethyl cellulose and an extracellular polysaccharide. The extracellular polysaccharide is produced by fermentation of Agrobacterium sp. LHZJX.A07 that is taxonomically named. A method for preparing the extracellular polysaccharide includes screening Agrobacterium from a soil enrichment culture dilution spread plate, purifying and inoculating the Agrobacterium into a culture medium for culture, performing fermentation to obtain a extracellular polysaccharide crude solution, and performing concentration, purification and drying to obtain the extracellular polysaccharide.

HETEROLOGOUS PRODUCTION OF THE C33–C45 POLYKETIDE FRAGMENT OF ANTICANCER APRATOXINS IN A CYANOBACTERIAL HOST

Resumen de: US20260218211A1

0000 The present disclosure relates to recombinant cyanobacterial cells for the production of a chemical compound of interest. In particular, the present disclosure relates to genetic modifications that introduce one or more heterologous polyketide synthases (PKS) into a cyanobacterial cell. These cells can further comprise nucleic acid constructs that provide the cyanobacterial cells with the capability of producing chemicals of interest or compounds of interest, including Compound (I).

Method for enhancing carbon sequestration of microalgae symbiotic system at extreme temperature

Resumen de: CN122465712A

The invention discloses a method for enhancing carbon sequestration of a microalgae symbiotic system under heat stress, and belongs to the technical field of microalgae biological carbon sequestration. The method comprises the following specific steps: constructing a scenedesmus quadricauda and chlorella pyrenoidosa symbiotic system and inoculating the symbiotic system into a culture medium; adding exogenous betaine with the final concentration of 0.3-1.0 mM into the culture system; and introducing industrial flue gas containing carbon dioxide into the system at a heat stress temperature of 45 DEG C, and carrying out microalgae photosynthetic carbon sequestration culture under an illumination condition. The stability of the microalgae photosynthetic system at high temperature is remarkably enhanced by coupling the interspecific synergistic effect of the symbiotic microalgae with the osmotic regulation and antioxidant activation mechanism of the betaine. According to the method, the upper carbon sequestration temperature resistance limit of the microalgae is broken through to 45 DEG C, the dry weight and the carbon sequestration rate of the biomass under extreme heat stress are greatly improved, and the method is green, safe and easy for engineering amplification.

Ecological purification method for treating aquaculture wastewater based on synergy of photosynthetic bacteria and microalgae

Resumen de: CN122464580A

The invention discloses an ecological purification method for treating aquaculture wastewater based on synergy of photosynthetic bacteria and microalgae. Breeding wastewater is subjected to physical interception and electrodialysis conductance reduction pretreatment and then is introduced into the microfluidic reaction chamber, and the system alternately operates between a mass transfer mixing phase and a sensing phase and between a partition degradation phase and an optical radiation phase. In the mass transfer mixing stage, bacteria and algae are mixed and suspended for cross-boundary mass transfer, the system extracts a characteristic dielectric relaxation time constant of complex impedance data, and mode switching is triggered in combination with a preset metabolic correlation mapping model. In the partition degradation stage, the system adaptively adjusts the alternating current driving frequency, the traveling wave dielectrophoresis force is utilized to drive the microalgae and the photosynthetic bacteria to generate transverse differential separation, and a liquid phase partition is constructed; and meanwhile, the dual-frequency light source array performs phase-locked pulse radiation according to a cell space displacement track, so that independent supply of specific wavelength energy is realized. And the purified water body is subjected to split-flow liquid discharge and gravity settling to complete biomass harvesting. According to the invention, the cooperation of e

Acidochlamydomonas sp. And application thereof

Resumen de: CN122465713A

The invention relates to the technical field of microbial environmental remediation, and particularly discloses an acidophilic chlamydomonas and application thereof.Microalgae in the scheme is an acidophilic chlamydomonas sp. DY1 separated from ardealite leachate, the algae strain is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number is CCTCC M 2026446, and the acidophilic chlamydomonas sp. DY1 is preserved in the China Center for Type Culture Collection (CCTCC). The acidophilic chlamydomonas can grow in the ardealite leachate with the pH value of 2.0-4.0, and has a good removal effect on ammonium nitrogen and total nitrogen in the ardealite leachate; the optimal addition initial algae density of the acidophilic chlamydomonas DY1 is 1.0 * 10 < 5 >-8 * 10 < 5 > cells/mL, and the optimal treatment concentration range of the phosphogypsum leachate is that ammonium nitrogen is 25-80 mg/L, and total nitrogen is 25-80 mg/L. The method can stably remove the nitrogen-containing nutritive salt in the phosphogypsum leachate and synchronously accumulate the microalgae biomass, has the characteristics of economy, high efficiency, no secondary pollution and simplicity and convenience in operation, and is of great significance in repairing and treating the phosphogypsum leachate.

Method for rapidly forming microalgae biofilm on surface of carrier

Resumen de: CN122465906A

The invention discloses a method for rapidly forming a microalgae biological membrane on the surface of a carrier, which comprises the following steps: (1) inoculating a target microalgae species into a culture medium, and carrying out enlarged culture under proper illumination and temperature conditions to obtain an algae solution in a logarithmic phase; (2) putting a carrier material into a bio-membrane reactor, introducing the algae liquid obtained in the step (1) into the bio-membrane reactor, and submerging the carrier by the algae liquid; (3) within 0-24 hours of biofilm formation starting, enabling the water flow shear stress on the surface of the carrier to be not higher than 0.02 Pa; when the biofilm formation is started, indoleacetic acid is added into the algae liquid, so that the instantaneous concentration of the indoleacetic acid in the algae liquid reaches 0.1 mg/L; (4) further reducing the shear stress of the water flow to 0.01 Pa or below within 24-72 hours of membrane formation starting; simultaneously and respectively adding indoleacetic acid into the algae liquid at the 24th hour, the 48th hour and the 72h; (5) 72 hours after starting biofilm formation, forming pulse type water flow in the biofilm reactor by regulating and controlling the rotating speed of a driving motor, and alternately changing the water flow shear stress between 0.05 pa and 0.15 pa every 30 minutes; and continuously running under the conditions until the seventh day. According to the i

Composition containing microalga-derived extracellular vesicles

Resumen de: CN122477050A

The purpose of the present invention is to provide a composition containing extracellular vesicles derived from microalgae. In one embodiment of the present invention, a composition is prepared that contains (A) microalga-derived extracellular vesicles and one or more species selected from the group consisting of (B-1)-(B-3) (where (B-1) is one or more species selected from the group consisting of primary alcohols and polyols, (B-2) is one or more species selected from the group consisting of organic acids and salts thereof, and (B-3) is a chelating agent.

Internal light distribution photobioreactor

Resumen de: CN122465700A

An internal light distribution photobioreactor belongs to the technical field of microalgae large-scale culture related equipment, and comprises: a culture device, which is provided with a culture chamber for microalgae culture, and is of a thermal insulation structure and adjustable in culture temperature; the light gathering system is used for gathering sunlight and can provide redundant illumination for the culture device, and the light gathering ratio of the light gathering system is adjustable. According to the invention, the modular structure design of structures such as a light distribution device, a reflection system and a light condensation system can be realized. The light distribution device is innovatively arranged in the culture device, so that light distribution in the culture device can be realized, heat exchange can be realized in the culture device, and the temperature of a culture solution in the culture device can be quickly and directly adjusted. The reactor solves the problem of high difficulty in temperature adjustment and illumination intensity adjustment of the reactor in the prior art.

Method for treating resistance genes in sewage by utilizing microalgae-fungal hypha symbiotic system and application of method

Resumen de: CN122444346A

The invention belongs to the technical field of environmental protection, and discloses an application of a microbial inoculum in treatment of sewage containing resistance genes or preparation of a product for treatment of sewage containing resistance genes, the microbial inoculum comprises seawater microalgae and fungal hyphae, the resistance genes comprise at least one of integron resistance genes, sulfonamides resistance genes, fluoroquinolones resistance genes and tetracycline resistance genes, and the salinity of the sewage is 1%-4%. According to the method for treating the sewage containing the resistance genes, the ARGs in the sewage can be effectively removed, the good removal effect on integron ARGs, sulfonamides ARGs, fluoroquinolones ARGs and tetracyclines ARGs in the sewage is achieved, and the total ARGs abundance removal rate reaches 97.66%. The method for treating the sewage containing the resistance genes is green, pollution-free and low in operation cost; operation is simple and a treatment period is short.

Microalgae lamp and culture device

Resumen de: CN224551486U

The utility model discloses a microalgae lamp and a culture device, and belongs to the technical field of microalgae culture, a light source plate is directly arranged on a heat dissipation plate, heat generated by the light source plate is directly transferred to the heat dissipation plate, and the heat dissipation area is increased due to the arrangement of heat dissipation strips, so that the heat dissipation effect is good, and the heat dissipation efficiency is high. According to the utility model, the light source plate is directly arranged on the heat dissipation plate without components such as a sealing structure and a lens, so that the manufacturing difficulty is reduced, the number of the components is reduced, the structure is simple, the light rays emitted by the lamp beads on the light source plate can directly irradiate the culture, the damage of the components such as the lens is avoided, the loss of light energy is greatly reduced, and the energy is saved. In addition, the first connecting piece is connected with one end of the heat dissipation plate, and the second connecting piece is connected with the other end of the heat dissipation plate, so that the light source mechanisms are integrated into a whole, installation and carrying are convenient, the structure is simple, and installation is easy.

Yeast microorganism as well as preparation method and application thereof

Resumen de: CN122439766A

The invention relates to the technical field of microorganisms, and discloses a yeast microorganism as well as a preparation method and application thereof. The yeast microorganism comprises inactivated saccharomycetes, arginine, chitosan, trace elements and an emulsified coating layer, the emulsified coating layer coats the surface modified arginine, the chitosan and the saccharomycetes adsorbing the trace elements, and the emulsified coating layer comprises cholesterol and phospholipid. After the surfaces of the yeast microorganisms are treated by adopting chitosan and arginine, the surface potential of the yeast microorganisms is positive, trace elements can be effectively adsorbed, the yeast microorganisms are coated by phospholipid cholesterol, the average density of the yeast microorganisms is smaller than that of untreated yeast microorganisms, the suspension property of the yeast microorganisms in water can be remarkably improved, and the yeast microorganisms can be more effectively ingested and utilized by cladocerans; bad water is reduced, the dilemma that existing cladocerans culture highly depends on microalgae as bait is improved, and a basis is provided for cladocerans industrial culture.

LIPID PRODUCING MARINE MICROALGA

Nº publicación: US20260209683A1 23/07/2026

Solicitante:

HUTANBIO LTD [GB]
HUTANBIO LTD.

Resumen de: US20260209683A1

0000 The invention provides marine microalgal strain of the Ulvales order of the Ulvophyceae class which have utility in the efficient and environmentally beneficial preparation of triacylglycerides and polyunsaturated fatty acids, which can in turn be used for fuels or feeds.