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Microalgae carbon sequestration device

Resumen de: CN223752732U

The utility model relates to the technical field of ecological environmental protection, in particular to a microalgae carbon sequestration device which comprises a box body, a top frame is installed on the top of the box body, a gas guide pipe is installed on the top frame, the bottom end of the gas guide pipe is rotatably connected with a rotating pipe inserted into the box body in a sliding mode, and the top of the box body is connected with a backflow pipe connected with the gas guide pipe. A return pipe is arranged in the box body, a one-way valve is arranged on the return pipe, the top end of the rotating pipe is in transmission connection with a driving assembly, a fixed ring is fixed on the inner side of the box body, and a gas distribution assembly arranged outside the rotating pipe in a sleeving manner is arranged in the fixed ring. And redundant gas enters the gas guide pipe again from the return pipe, so that the cyclic dissolution work of the carbon dioxide gas is completed, excrement deposited in the collecting hopper is cleaned, and the excrement is conveniently and intensively guided out of the box body from the blow-off pipe.

MARINE MICROALGAL PROTEIN PREPARATIONS

Resumen de: US20260000094A1

A protein preparation may be obtained from dried lipid extracted marine algae. The novel hydrolysate has high solubility and digestibility, low ash content, and high protein content (measured as g amino acid/g of product), with an essential amino acid profile that makes an excellent protein supplement for human consumption. The process utilizes a hydrolyzation reaction at high solids content to minimize water footprint and ash content, while increasing its solubility and digestibility.

PLATFORM FOR BIO-BASED PRODUCTION OF HIGH LEVELS OF O-PHOSPHOSERINE, CYSTEATE, OR TAURINE

Resumen de: US20260002180A1

Methods for the fermentative production of O-phosphoserine, cysteate, or taurine in microbes or unicellular organisms that contain a serB mutation that either decreases serB expression, reduces the amount of the serB gene product or results in a serB gene product with low enzymatic activity. Genetic modifications of the O-phosphoserine, cysteate, or taurine and/or substrate biosynthetic pathways in unicellular organisms that include bacteria, algae, microalgae, diatoms, yeast, or fungi are disclosed. Also disclosed are fermentation and processing methods for the production of various O-phosphoserine-, cysteate-, or taurine-containing products and the use of the cells, fermentation broth or extracts that contain O-phosphoserine, cysteate, or taurine to produce products for use in food, feed, beverages, dietary and health supplements, cosmetics, personal care, pharmaceuticals, agricultural production, or surfactants.

Method for preparing a rich liquid food supplement based on microalgae

Resumen de: MA66491A1

The invention describes a method for developing a liquid food supplement rich in proteins and amino acids, polyphenols and phycocyanin from microalgae. The method includes, as a main step, the enzymatic decomposition of cell walls to release their contents into the extract, without degradation or change in its composition. The compounds released include free proteins and amino acids, phenolic compounds and phycocyanin contained in the phycobilisome. The liquid product obtained by said method preserves high antioxidant activity and the characteristics of a food supplement “Rich in proteins” and/or “Rich in free amino acids” and/or “Rich in phycocyanin” and/or “Rich in polyphenols » and/or “Rich in antioxidants”.

System and process for preparing biogas through microalgae carbon sequestration and biogas purification

Resumen de: CN121227405A

The invention discloses a system and a process for preparing biogas through microalgae carbon sequestration and biogas purification. The system comprises a photosynthetic carbon sequestration biogas purification reactor module, a gas detection system, a deoxygenation module and a microalgae biomass collection module, the photosynthetic carbon sequestration biogas purification reactor module is a multi-stage closed photosynthetic bioreactor, and all stages of closed photosynthetic bioreactors are connected in sequence; marsh gas enters from a gas inlet of the first-stage closed photosynthetic bioreactor and sequentially passes through all stages of closed photosynthetic bioreactors for marsh gas purification, and gas at a gas outlet of the last-stage closed photosynthetic bioreactor enters a deoxidizing device for deoxidizing; and the gas which does not reach the purification standard of each stage of reactor flows back to the current stage of reactor for re-purification. The process provided by the invention is used for treating biogas generated by anaerobic digestion of organic wastes, introducing the biogas into a bioreactor, and absorbing CO2 by microalgae to realize gas purification.

Ecological intensive mariculture tail water intelligent treatment system and method

Resumen de: CN121225799A

The invention belongs to the technical field of environmental engineering and pollution treatment, and particularly relates to an ecological intensive mariculture tail water intelligent treatment system and method.The ecological intensive mariculture tail water intelligent treatment system comprises a pretreatment and solid waste recycling module, a primary purification module, a biological collaborative purification module and a deep purification module; the pretreatment and solid waste recycling module comprises a high-density sedimentation tank, the primary purification module comprises a microalgae open pond, the biological collaborative purification module comprises a mixed culture area, and the deep purification module comprises an artificial wetland area. An outlet in the upper end of the microalgae open pond is connected with an inlet in the upper end of the mixed culture area through a pipeline I; according to the system, a biological treatment mode is adopted, the inherent defect of a single method in the prior art is overcome, standard discharge of mariculture tail water is achieved, green, ecological and efficient development of the breeding industry is promoted, and the win-win situation of ecological environment protection and economic benefit improvement is achieved.

Aquaculture tail water treatment system and method based on shellfish appreciation and microorganism water purification

Resumen de: CN121220401A

The invention discloses a culture tail water treatment system and method based on shellfish appreciation and microorganism water purification, and belongs to the cross technical field of aquaculture and water environment governance, the system mainly comprises a microorganism treatment unit and a shellfish culture unit which are connected in sequence, the microorganism treatment unit is used for treating culture tail water through an immobilized biological membrane and segmented aeration, and the shellfish culture unit is used for treating culture tail water. The device can flexibly operate in a nitrogen control mode and a nitrogen removal mode; by means of the core regulation and control unit, the system operates in a nitrogen control mode in the shellfish growing period, the proper nitrogen and phosphorus concentration is maintained so as to nourish microalgae for shellfish to filter and eat, and rapid fattening of shellfish and removal of water particles are achieved; according to the method, tail water treatment is converted into a benefit growth point from a cost center, an endogenous circulation mode of purifying water with fish and culturing fish with water is formed, and unification of environmental benefits and economic benefits is achieved.

Energy-saving illumination and temperature coordinated regulation and control device

Resumen de: CN223738047U

The utility model discloses an energy-saving illumination and temperature coordinated regulation and control device, and belongs to the field of microalgae cultivation. An energy-saving illumination and temperature coordinated regulation and control device comprises a supporting plate and further comprises a light guide pipe fixedly connected to the supporting plate, a diffuser is arranged at the bottom of the light guide pipe and arranged below the supporting plate, and a brightness sensing assembly is arranged in the light guide pipe; the connecting plate is fixedly connected to the bottom of the supporting plate, an illuminating lamp is connected to the connecting plate in a lifting mode, a temperature sensing assembly is arranged on the illuminating lamp, and when the light source in the light guide pipe is detected by the brightness sensing assembly, the temperature sensing assembly and the illuminating lamp ascend or descend; according to the utility model, the position height and the switch of the illuminating lamp can be controlled, and the illuminating lamp is matched with the light guide pipe for use, so that unnecessary power consumption can be reduced, and the energy efficiency is improved.

Method for purifying wastewater by using MgFe-LDH modified charcoal reinforced microalgae

Resumen de: CN121225767A

The invention relates to a wastewater purification method, in particular to a method for purifying wastewater by using MgFe-LDH modified biochar reinforced microalgae, which comprises the following steps: preparing MgFe-LDH modified biochar; co-culturing the modified biochar and microalgae, and determining the optimal addition amount of the MgFe-LDH modified biochar by comparing the growth condition of the microalgae; and inoculating the MgFe-LDH modified charcoal and microalgae into the wastewater for purification. Compared with the prior art, the method has the advantages that a CO2-rich microenvironment is created for the microalgae in the wastewater by constructing an algae-carbon co-culture system, the inherent limitation of insufficient carbon supply in a solution is improved, the growth of the microalgae in the wastewater is promoted, and the wastewater purification effect of the chlorella is further enhanced. The method is simple and convenient to operate, low in preparation cost, high in wastewater purification efficiency of microalgae and high in environment adaptability of an algae carbon system, and the purposes of fixing CO2 and efficiently purifying wastewater can be achieved.

Chlorella pyrenoidosa mutant strain APMT04 and application thereof

Resumen de: CN121227522A

The invention provides a yellow chlorella pyrenoidosa mutant strain APMT04 and an application of the yellow chlorella pyrenoidosa mutant strain. The chlorella pyrenoidosa mutant strain APMT04 is obtained through a chemical mutagenesis method, compared with an original strain, the chlorella pyrenoidosa mutant strain APMT04 has the advantages that the growth speed of chlorella cells under the heterotrophic condition is higher, and meanwhile, the chlorophyll content of the chlorella pyrenoidosa mutant strain APMT04 is reduced by 90% or above, but the chlorella pyrenoidosa mutant strain APMT04 contains high-content xanthophyll, so that the And the extract also contains high-content protein and grease, can be used as byproducts of xanthophyll extraction, and can be used in the fields of food, feed and the like. When the chlorella pyrenoidosa mutant strain APMT04 is used for producing xanthophyll, the later-stage extraction and preparation process of xanthophyll can be simplified, the sensory acceptance of algae powder is improved, protein and grease rich in the algae powder can serve as by-products of xanthophyll extraction, and high-quality germplasm resources are provided for industrial production and application of microalgae xanthophyll.

Chlamydomonas reinhardtii strain with high exosome yield

Resumen de: CN121227521A

The invention relates to the technical field of microalgae biology, in particular to a chlamydomonas reinhardtii strain with high yield of exosomes, which is named as Chlamydomonas reinhardtii YYAW026 and preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO.46629, the preservation date is November 10, 2025, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. Compared with an original strain, the chlamydomonas reinhardtii cell provided by the invention cannot form a complete cell wall structure, so that the exosome can be quickly secreted into a culture solution; although the cell structure of the strain is incomplete, the strain can still perform normal cell activity, the growth curve is basically consistent with that of a wild type, the yield of the exosome of the strain is greater than that of the wild type when the strain reaches a plateau phase, and the particle size distribution width of the exosome is more concentrated. The chlamydomonas reinhardtii disclosed by the invention has a relatively good application prospect in the basic research fields of cosmetics, medical beauty industry and algae source exosomes.

Concrete-microalgae co-production system for carbon dioxide curing

Resumen de: CN121203785A

The invention belongs to the technical field of waste utilization devices, and particularly relates to a concrete-microalgae co-production system for carbon dioxide curing. The co-production system comprises a carbon dioxide trapping device, a microalgae culture device and calcining equipment; the microalgae culture device comprises a culture box, the bottom of the culture box is provided with an air inlet, a slag discharge port and an oil discharge port, and the top of the culture box is provided with an air outlet; a gas outlet of the carbon dioxide trapping device is communicated with a gas inlet of the incubator, and a slag discharging opening of the incubator is communicated with a feeding opening of the calcining equipment. According to the co-production system, the carbon dioxide trapping device, the microalgae culture device and the calcining equipment are connected for use, industrial waste gas is treated by the carbon dioxide trapping device, then carbon dioxide is introduced into the microalgae culture device, the carbon dioxide is efficiently fixed through photosynthesis of microalgae, and algae oil (biofuel) and algae residues are synchronously produced; and the algae residues are reused for cement clinker firing, so that a closed-loop industrial chain of carbon capture-biomass energy-building material regeneration is realized.

Accumulation method of cyanobacteria grease and high value-added metabolites under nitrogen starvation stress

Resumen de: CN121204176A

The invention relates to the technical field of preparation of blue-green algae biological resources, in particular to a method for accumulating blue-green algae grease and high-added-value metabolites under nitrogen starvation stress, which comprises the following steps: after carrying out plasma mutagenesis screening on blue-green algae, inoculating an improved BG-11 culture medium and activating to OD680 1.2-1.8; carrying out gradient switching of a nitrogen source according to an inoculum size of 10-15%, carrying out pre-culture for 4-6 days, and regularly supplementing vitamin C; carrying out flow monitoring on the nitrogen content of the cells, and carrying out mild and severe dynamic nitrogen starvation stress culture for 4-7 days; adding a nano-loaded composite inducer on the first day of severe stress, and performing pulse stirring culture for 2-3 days; after near-infrared monitoring reaches the standard, antioxidant is added for harvesting, and the biomass is subjected to freezing pretreatment. The high value-added metabolite is an ultraviolet absorbing substance (mycosporine-like amino acid and pseudocystin), phycocyanin or gamma-linolenic acid. According to the method, high-yield strains are screened through mutagenesis, gradient pre-culture and dynamic nitrogen starvation regulation are combined, and a nano-loaded composite inducer and real-time monitoring are matched, so that the grease and metabolite accumulation efficiency is directionally improved, and the ca

Method for promoting microalgae growth by using pharmaceutical product

Resumen de: CN121203932A

The invention belongs to the technical field of microalgae biology and culture, and particularly relates to a method for promoting microalgae growth by using a pharmaceutical product, which comprises the following steps: activating microalgae on a solid flat plate, inoculating the activated microalgae into a liquid culture medium, adding the pharmaceutical product at the initial stage of microalgae growth, placing in a constant-temperature shaking table, and carrying out illumination culture. According to the method, different types of pharmaceutical products with different concentrations are added into the microalgae, the influence of the addition of the different types of pharmaceutical products with different concentrations on the growth promotion of the microalgae is analyzed, the biomass of the chlorella can be rapidly increased, and the method has important significance on the large-scale production of the microalgae.

Method for improving orientated conversion of perigord truffle fatty acid into EPA and application of method

Resumen de: CN121204175A

The invention relates to the technical field of bioengineering and food engineering, in particular to a method for improving directional conversion of perigord truffle fatty acid into EPA and application of the perigord truffle fatty acid into the EPA. According to the system, a natural enzyme system and active ingredients in a nannochloropsis oculata lysate are fully utilized as biological catalytic components, and the physical strengthening effect of multi-frequency ultrasound is combined; under mild conditions, the unsaturated efficiency of fatty acid and the generation rate of EPA in a reaction system are remarkably improved. According to the method, perigord truffle is subjected to ethanol extraction, lipid components of perigord truffle are fully released, and the perigord truffle and a microalgae lysate have a synergistic effect, so that a composite reaction system with biological catalysis and physical promotion functions is constructed. The method is simple and controllable in process, has the advantages of being short in reaction time, low in energy consumption, environmentally friendly and the like, and meanwhile achieves the dual purposes of high-value utilization of perigord truffle resources and sustainable production of EPA. According to the method, an innovative solution is provided for high-value utilization of perigord truffle resources.

Blue-green algae collecting device based on magnetic carrier and collecting method of blue-green algae collecting device

Resumen de: CN121203807A

The invention discloses a blue-green algae collecting device based on a magnetic carrier and a collecting method of the blue-green algae collecting device, and belongs to the technical field of blue-green algae treatment. The device comprises a liquid storage unit, a magnetic separation unit and a collection unit, the magnetic separation unit is matched with the liquid storage unit, the magnetic separation unit generates a directional magnetic field and acts on mixed liquid in the liquid storage unit, so that magnetic carriers combined with blue-green algae in the mixed liquid are gathered in the acting direction of magnetic field force, and the blue-green algae-magnetic carrier compound is formed. The magnetic carrier is prepared, and polydopamine (PDA) is rich in active groups, so that the affinity and binding force to cyanobacteria cells are enhanced; meanwhile, a buffer solution is used for accurately regulating and controlling pH, the optimal environment for carrier synthesis and blue-green algae combination is guaranteed, and compared with an unmodified carrier, the blue-green algae capture rate is remarkably increased.

Fucoxanthin synthesis optimization method and system based on reinforcement learning

Resumen de: CN121215064A

The invention relates to the technical field of biological environment engineering, and provides a fucoxanthin synthesis optimization method and system based on reinforcement learning, and the method comprises the following steps: a real-time data acquisition system; constructing a state space; a deep reinforcement learning decision network; optimizing a dynamic strategy; and strategy verification is linked with the process. Through a light quality-stimulant collaborative reinforcement learning regulation strategy, the static operation limitation of a traditional process is broken through, the photosynthetic physiological state of microalgae is perceived in real time, the light environment and chemical signals are dynamically optimized, the fucoxanthin synthesis efficiency is remarkably improved, and a multi-omics closed-loop verification mechanism is combined, so that the fucoxanthin synthesis efficiency is improved. The molecular cascade effect of a light signal driving pigment synthesis pathway is illuminated, and a precise target spot is provided for metabolic engineering transformation.

Ultrasound-controllable multifunctional microneedle patch as well as preparation method and application thereof

Resumen de: CN121197013A

The invention discloses an ultrasonic controllable multifunctional microneedle patch as well as a preparation method and application thereof, and belongs to the technical field of biological materials. The preparation method comprises the following steps: preparing crystalline CoW-LDH nanosheets from Co (NO3) 2.6 H2O, Na2WO4. 2H2O and NaOH, dispersing the crystalline CoW-LDH nanosheets in PBS (Phosphate Buffer Solution), centrifuging and collecting the crystalline CoW-LDH nanosheets, and re-dispersing the crystalline CoW-LDH nanosheets in ultrapure water to obtain amorphous CoW-LDH nanosheets; adding PEG (Polyethylene Glycol), ultrasonically dispersing, stirring at room temperature, centrifuging, collecting and centrifugally washing with ultrapure water to obtain a PEG modified amorphous CoW-LDH nanosheet; and adding microalgae and an amorphous CoW-LDH nanosheet modified by PEG (Polyethylene Glycol) to prepare the ultrasonic controllable multifunctional microneedle patch. The multifunctional microneedle patch disclosed by the invention is high in biological safety, can realize ultrasonic controllability, has a sonodynamic treatment effect and an oxygen supply effect, remarkably inhibits melanoma recurrence and remarkably promotes wound healing, and has a wide application prospect.

Composite material and method for accelerating diatom sedimentation

Resumen de: CN121203818A

The invention relates to the field of microalgae sedimentation, in particular to a composite material for accelerating diatom sedimentation and a method thereof. The composite material comprises chitosan and clay, wherein the mass ratio of the chitosan to the clay is (1: 5)-(1: 15). The sedimentation method comprises the following steps: adding the composite material into diatom liquid, culturing for a certain time, and collecting the diatom. By implementing the scheme, the recovery rate of the diatom is improved.

Novel sewage ecological treatment system and treatment method

Resumen de: CN121202360A

The invention discloses a novel sewage ecological treatment system and a treatment method. Comprising a biological membrane filter and a multi-medium ecological filter bed, wherein the biological membrane filter sequentially comprises a ventilation tower, a water inlet system, a biological contact oxidation zone, an air inlet and a water storage tank from top to bottom, and the air inlet and the parts above the air inlet are arranged above the ground; the multi-medium ecological filter bed is arranged corresponding to the water storage tank; the multi-medium ecological filter bed sequentially comprises a biological contact denitrification area, a sand filtration area, a special functional area and a microalgae and plant purification area from bottom to top; and the lower part of the water storage tank of the biological membrane filter distributes water to the biological contact denitrification area of the multi-medium ecological filter bed through a secondary water distribution pipe. The system disclosed by the invention can be used as a tail water advanced treatment facility of municipal and industrial sewage plants, and has the advantages of low energy consumption, low maintenance and operation cost, high sewage treatment efficiency, strong adaptive capacity and impact resistance and difficulty in blockage.

ENHANCED TRIACYLGLYCEROL PRODUCTIVITY AND EXTRACTABILITY IN AN ENGINEERED MICROALGA

Resumen de: US2025388850A1

The present invention relates to an engineered unicellular Stramenopile microalga comprising a loss of function of the homologous Seipin gene, an in vitro method of producing triacylglycerols (TAG), and uses thereof.

ALGAE CULTIVATION AND HARVESTING FROM CARRIERS

Resumen de: US2025388844A1

Microalgae are grown in a biofilm on carriers. The carriers may have surfaces with a small angle to the vertical, optionally forming a cone. A surface of the carrier may be flexible and optionally include a porous material. Algae are harvested from the carriers using a water jet, which may provide a substantially solid stream of water. A nozzle for producing the water jet may spin while being moved laterally over a carrier bed. The water jet may dislodge algae from a surface of the carriers in the form of large agglomerates or blobs. The dislodged algae may have a high concentration of solids or readily settle. The algae may be collected from a floor below the carriers, optionally with a moving collection device. A moving harvesting device may treat a portion of a carrier bed such that harvesting of the entire bed is distributed over time.

ANIMAL PROTEINS IN CYANOBACTERIA

Resumen de: WO2024170959A2

In some embodiments, the gene is integrated into the genome of the cyanobacteria. In some of these embodiments, the gene is integrated into an NS1 site of the cell. The sequence encoding an animal protein is optimized for expression in the cyanobacteria. In some embodiments, the animal protein is a muscle protein. In some of these embodiments, the muscle protein is a myosin subunit, myoglobin, or alpha-actin. In other embodiments, the animal protein is a subunit of a complex. In some of these embodiments, the complex is a myosin complex. The production of proteins by modified cells may be performed in multiple different cells, in some embodiments, the cyanobacteria cell is S. elongatus is PCC7942 or UTEX2973 or PCC7002, or Synechocystis sp. PCC6803. In some embodiments, multiple genes are incorporated into a cell. In some embodiments, each gene comprises a myosin complex subunit. The myosin complex subunits are MLC1, MLC2, and MYH2.

Open shallow water microalgae adherent culture device

Resumen de: CN223705560U

The utility model relates to the technical field of algae culture devices, in particular to an open shallow-water microalgae adherent culture device which comprises a transverse rectangular supporting frame, a plurality of culture substrates are sequentially and flatly laid on the supporting frame from top to bottom at equal intervals, and the section of each culture substrate is in a groove shape. One end of the culture substrate is provided with an integrated blocking plate, and the other end is open and hermetically connected with a funnel; the funnel is embedded into one side of the blocking plate of the adjacent culture substrate; a plurality of incandescent lamps are arranged between every two adjacent culture substrates in the transverse direction at equal intervals, and the incandescent lamps are fixedly arranged on the supporting frame in the longitudinal direction. The diatom growth is promoted through natural light and an incandescent lamp, and a thin culture solution is formed on the bottom surface of the culture substrate, so that the diatom can statically grow on the bottom surface of the culture substrate and finally form a biological membrane with a certain thickness, and the biological membrane can be directly observed and collected.

Fishery breeding tail water treatment and nitrogen and phosphorus resource utilization algae culture device

Nº publicación: CN223705378U 23/12/2025

Solicitante:

QUFU NORMAL UNIV
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Resumen de: CN223705378U

The utility model belongs to the technical field of fishpond breeding tail water treatment, and particularly relates to a fishpond breeding tail water treatment and nitrogen and phosphorus resource utilization algae culture device. The algae culture device for fishery breeding tail water treatment and nitrogen and phosphorus resource utilization comprises a front-end biological treatment unit, a nitrogen and phosphorus resource utilization algae culture unit, an effluent oxygenation unit and a device chamber, the front-end biological treatment unit comprises a first-echelon biological treatment device and a second-echelon biological treatment device, the first-echelon biological treatment device, the second-echelon biological treatment device and the nitrogen and phosphorus resource utilization algae culture unit are sequentially connected, and the nitrogen and phosphorus resource utilization algae culture unit is provided with an LED lighting system and a stirring device. The effluent oxygenation unit is connected with the nitrogen and phosphorus resource utilization algae culture unit and is provided with a stepped oxygenation device. According to the device, the carbon, nitrogen and phosphorus treatment of the fishpond culture tail water is realized, and the effluent rich in microalgae flows back into the fishpond, so that the culture tail water is recycled, and the feed feeding is reduced. In addition, the equipment also has the advantages of high integration level, small