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Method for purifying breeding wastewater

Resumen de: CN120841711A

The invention discloses a purification method of breeding wastewater, and relates to the field of wastewater treatment.The purification method comprises the following steps that straw is taken to be subjected to enzymolysis to prepare straw hydrolysate, and the straw hydrolysate, microalgae and spores of fungi are added into the breeding wastewater to be subjected to oscillation co-culture; the microalgae comprise chlorophyta algae, and the fungi comprise aspergillus fungi. According to the method, a phycomycetes purification system is formed in the sewage through the chlorophyta and the aspergillus fungi, the straw hydrolysate is matched to provide nutritional ingredients such as saccharides and amino acid for phycomycetes, the stability degree of the content of the nutritional ingredients in the sewage is improved, and under the comprehensive action, the removal rate of ammonia nitrogen and total phosphorus in the sewage is increased, and the ammonia nitrogen and the total phosphorus are converted into biomass.

Lipid-producing marine microalgae

Resumen de: CN120835926A

The present invention provides strains of marine microalgae of the ulva lactuca, which can be used for the efficient and environmentally beneficial preparation of triacylglycerides and polyunsaturated fatty acids, which in turn can be used in fuels or feeds.

Method for preparing microalgae protein bait by efficiently treating livestock and poultry biogas slurry by coupling aquatic vegetables with microalgae

Resumen de: CN120827149A

The invention belongs to the technical field of bioengineering and the field of sewage treatment, and particularly relates to a method for efficiently treating livestock and poultry biogas slurry to prepare microalgae protein bait by coupling aquatic vegetables with microalgae, which comprises the following steps: carrying out primary treatment on livestock and poultry wastewater by utilizing the aquatic vegetables, and carrying out secondary treatment on the microalgae with high robustness by coupling; the pollutant content of the biogas slurry is reduced, microalgae protein bait is harvested, and pollutants such as COD content, ammonia nitrogen content and phosphorus content in the livestock and poultry biogas slurry are efficiently reduced. According to the method, the pollutant content of the livestock and poultry biogas slurry is efficiently reduced, the COD content of the treated biogas slurry is reduced by 75%-90%, the ammonia nitrogen content is reduced by 80%-92%, the phosphorus removal rate reaches 90% or above, the biomass of microalgae harvested at low cost through self-flocculation reaches 2 g/L or above, the protein content in the microalgae reaches 50%-70%, the content of essential amino acids in the microalgae is close to that of fish meal, and the content of organic matters in the microalgae is reduced by 50%-70%. The feed can be used as high-quality protein bait.

Strain for degrading aspartame, algal-bacterial symbiotic system and application of algal-bacterial symbiotic system

Resumen de: CN120829860A

The invention discloses a bacterial strain for degrading aspartame, a bacterial-algae symbiotic system and application of the bacterial strain and the bacterial-algae symbiotic system, the bacterial strain is corn sphingomonas zeae NCU J1, and the preservation number of the bacterial strain is CCTCC (China Center for Type Culture Collection) NO: M 20251462. And an algal-bacterial symbiotic system is constructed by adopting an oriented symbiotic combination of the corn sphingomonas NCU J1 and the chlorella sp. The corn sphingomonas NCU J1 can metabolize an artificial sweetening agent aspartame and degradation products thereof, metabolism complementation can be achieved through an algal-bacterial symbiotic interface, and bacteria preferentially promote aspartame to be subjected to photohydrolysis to generate degradation products such as diketopiperazine derivatives. The microalgae synchronously start isomerism enzymatic reaction to convert degradation products such as diketopiperazine derivatives into low-toxicity products, the risk of secondary pollution is reduced by 40% or above compared with that of a traditional physical and chemical method, 150 mg/L aspartame can be efficiently degraded within 2 days, generation of derivatives of aspartame can be greatly reduced, secondary pollution is reduced, and the method is suitable for industrial production. And the method has a good application prospect in the aspect of rapidly treating aspartame-containing wastewater.

Method for Tissue Renewal Using A Microalgae-based Biologically Friendly Base Formula To Reverse Disease Progression And Foster Tissue Regeneration In Conditions Of Mucosal Injury And Inflammation In the Mouth And Gastrointestinal Tract

Resumen de: US2025325609A1

Provided is a composition comprising microalgae and clay, formulated for ingestion, application to skin, an oral cavity, or administration rectally to a mammal. Also provided is a method of treating a mammal. The method comprises administering the above composition to the mammal.

METHOD FOR ENHANCING GROWTH OF DUNALIELLA SPECIES AND BIOMASS PRODUCTION THEREFROM

Resumen de: US2025327096A1

A method for enhancing growth of a microalgal species and its biomass production yield by co-cultivating the microalgal species with a bacterial isolate under the genus of Pseudoalteromonas in separate compartments. The microalgal species is selected from Dunaliella species. The genome sequence of the Pseudoalteromonas isolate can have a nucleotide similarity of lower than 95% to that of other Pseudoalteromonas species.

PROCESSES FOR PRODUCING BIOFERTILIZERS FROM BIOMASS AND PRODUCTS PRODUCED

Resumen de: WO2025221466A1

The invention relates to a method of producing a phototrophic cyanobacteria based biofertilizer.

CONTINUOUS ALGAL AQUACULTURES

Resumen de: FI20255069A1

The present approach describes continuous, steady state algal aquaculture systems, methods, and uses. Algal aquaculture systems may employ a plurality of algal aquaculture stages, first to grow the microalga of interest, and subsequent stages for subjecting the microalga of interest to controlled stress. Algae biomass composition in the last algal aquaculture stage can be selectively determined through various process elements to impact product generation and/or to reduce the recalcitrance of the algal biomass towards downstream processing, such as fracking the cells to enable chemical-free harvesting via, e.g., adsorptive bubble technology.

CONTINUOUS ALGAE BIOMASS CULTIVATION IN OPEN SYSTEMS

Resumen de: FI20255068A1

The present approach describes continuous, steady state algal aquaculture systems, methods, and uses. Algal aquaculture systems may employ an algal aquaculture zone to grow the microalga of interest, and a collector for receiving a continuous stream of algal aquaculture medium for fracking and harvesting.

Phosgene synergetic microalgae bioreactor

Resumen de: CN120818425A

The invention belongs to the technical field of bioreactors, and particularly discloses a phosgene synergetic microalgae bioreactor which comprises a barrel body, the bottom of the barrel body is fixedly connected with a gas collection hopper, the lower part of the gas collection hopper is connected with a Venturi nano-bubble generator, the Venturi nano-bubble generator is connected with a liquid delivery pump, and the liquid delivery pump is connected with a liquid storage tank. A bubble remover, a light guide structure and a thermometer are detachably connected to the barrel body, the light guide structure comprises optical fibers inserted into the barrel body at equal intervals, each optical fiber comprises an outer sleeve inserted into the barrel body, and a light guide fiber core is fixedly connected to the interior of each outer sleeve. In the actual use process of the reactor, the Venturi nano bubble generator can convey bubbles into the barrel body, the bubbles can drive microalgae in the barrel body to float and can also refract light rays projected by the light guide fiber core, the light rays can uniformly cover the interior of the barrel body, and then the microalgae are efficiently cultured.

Feeding training method for wild euchiloglanis kishinouyei

Resumen de: CN120814499A

The invention relates to the technical field of wild euchiloglanis kishinouyei domestication methods, in particular to a wild euchiloglanis kishinouyei domestication method. According to the feeding training method for the wild euchiloglanis kishinouyei, cobblestones attached with microalgae are adopted to simulate the feeding environment of the wild euchiloglanis kishinouyei. According to the characteristic that wild euchiloglanis kishinouyei has a scraper type ingestion mode, microalgae are cultivated and attached to cobblestones, the cobblestones attached with the microalgae are utilized, the natural ingestion environment of euchiloglanis kishinouyei at the bottom of a river is simulated, the wild euchiloglanis kishinouyei can open firstly for ingestion in an artificial breeding environment, the breeding environment can be adapted as soon as possible, the stress reaction is reduced, and the breeding efficiency is improved. The feeding training success rate of the wild euchiloglanis kishinouyei is greatly increased, and the survival rate of the wild euchiloglanis kishinouyei

Microalgae production monitoring device

Resumen de: CN223458324U

The utility model discloses a microalgae production monitoring device which comprises a fixing assembly and a monitoring assembly, the monitoring assembly comprises an LED lamp set, a color sensor, a controller and an audible and visual alarm, the controller is electrically connected with the color sensor and the audible and visual alarm, the fixing assembly comprises a shading cylinder, and the shading cylinder is electrically connected with the LED lamp set. A pipeline mounting channel is arranged in the center of the interior of the shading cylinder, a monitoring opening is formed in one side of the center of the pipeline mounting channel, light transmitting openings are formed in the positions, located on the two sides of the monitoring opening, of the center of the pipeline mounting channel, and the detection end of a color sensor is mounted at the monitoring opening. The growth state of the microalgae can be accurately reflected, so that the real-time monitoring of the microalgae growth process is realized. Compared with a traditional naked eye observation method or an indirect parameter speculation method, the monitoring device can rapidly and accurately obtain microalgae growth state information, and the monitoring efficiency is greatly improved.

Method for improving photosynthesis light energy utilization rate, scanning lighting device and planting and breeding method

Resumen de: CN120787660A

The invention relates to the field of agricultural supplementary lighting, in particular to a method for improving the light energy utilization rate of photosynthesis. According to the scanning lighting device, the light beam emitted by the light source is converted into the moving light beam through the moving reflecting mirror and/or the moving lens to conduct scanning lighting on the irradiated object, the irradiated object obtains the scanning pulse light with the duty ratio and the frequency within the specific range, and therefore the light energy utilization rate of photosynthesis is improved. The method is realized by being matched with agricultural planting and breeding facilities for use. The invention also relates to a method for cultivating microalgae or plants, in an agricultural facility, suitable growth conditions are provided for the growth of microalgae or plants, and at least part of illumination is provided by the scanning illumination device.

Telescopic claw type microalgae photobioreactor with built-in light arrangement

Resumen de: CN120796052A

The invention relates to the technical field of microalgae carbon sequestration, and discloses a telescopic claw type microalgae photobioreactor with built-in light arrangements, which comprises a reactor main body, a light adjusting assembly, a light adjusting part and a plurality of lamp tubes, a telescopic frame is arranged in the reactor main body, and the light adjusting part is arranged at the top end of the reactor main body. A center shaft of the telescopic frame is rotationally connected to the middle of the reactor top plate, the illumination adjusting part is arranged on the center shaft, the lamp tubes are arranged on the illumination adjusting part in the circumferential direction, and the distance and the illumination angle between the lamp tubes and the microalgae are adjusted through the illumination adjusting part; the gas adjusting part is arranged at the bottom of the reactor main body, and external gas is conveyed into the reactor main body through the gas adjusting part. The photosynthesis efficiency and carbon sequestration capacity of microalgae can be remarkably improved, and the device is compact in structure, energy-saving and environment-friendly, can be widely applied to the fields of industrial carbon capture, urban air purification, ecological restoration and the like, and provides important technical support for achieving the aim of carbon neutralization.

Compound enzyme-bacterium synergistic preparation for controlling cyanobacterial bloom as well as preparation method and use method of compound enzyme-bacterium synergistic preparation

Resumen de: CN120796238A

The invention relates to the technical field of cyanobacterial bloom control in water, and particularly discloses a compound enzyme-bacterium synergistic preparation for cyanobacterial bloom control, a preparation method and a use method. The preparation comprises the following components in percentage by mass: compound enzymes (10-20% of cellulase, 8-12% of beta-1, 3-glucanase and 3-8% of lipase), functional bacteria (10-20% of bacillus subtilis, 8-15% of trichoderma harzianum and 5-10% of bacillus amyloliquefaciens), an enzyme stabilizer (3-8% of trehalose), an adsorption carrier (15-25% of Fe < 3 + > modified charcoal and 8-15% of diatomite) and auxiliary components. The preparation method comprises the steps of carrier modification, solid fermentation and microcapsule embedding. During use, 3-20kg/1000m < 3 > of water is added for the first time, 2-10kg/1000m < 3 > of water is added every 7-14 days in the maintenance stage, and synchronous aeration is performed. Through the synergistic effect of beta-1, 3-glucanase and trichoderma harzianum, the algicidal rate is 92%, and the spore germination inhibition rate is 82%; the Fe < 3 + > modified charcoal improves the stability of the enzyme in an alkaline environment (80% of activity is retained when the pH value is 9); the method is suitable for eutrophic water with chlorophyll a greater than or equal to 30 mu g/L, and has no chemical residue risk.

Microbial fuel type sewage treatment device based on microalgae constructed wetland coupling

Resumen de: CN120794186A

The invention discloses a microbiological fuel type sewage treatment device based on microalgae constructed wetland coupling, and relates to the technical field of sewage treatment, the microbiological fuel type sewage treatment device comprises a treatment pond, a constructed wetland main body and a microalgae culture pond, and the constructed wetland main body is arranged in the bottom of the treatment pond. In the sewage treatment process, a filter screen plate blocks mature microalgae, namely microalgae in a stable period, meanwhile, a driving motor drives a rotating rod to rotate, a pushing plate cleans and concentrates the microalgae on the filter screen plate to the middle through a first connecting rod and a second connecting rod, blockage is avoided, and the circulation area and the sewage treatment stability are ensured; the first connecting rod and the supporting plate are matched to drive the extrusion plate to descend and be combined, microalgae are compressed into a square shape through the forming groove and the extrusion block, the retention area is reduced, the filtering efficiency is improved, repeated blockage is avoided, the cleaning difficulty is reduced, and follow-up collection is facilitated.

A/O-MPBR system and construction method and application thereof

Resumen de: CN120794254A

The invention belongs to the field of sewage treatment, and particularly relates to an A/O-MPBR system and a construction method and application thereof. According to the specific technical scheme, the sewage treatment system comprises an A/O treatment system and an MPBR system which are communicated in sequence; the A/O system and the MPBR are mutually independent and communicated in space, and sewage firstly flows through the A/O system to be treated and then enters the MPBR to be treated. And the algae inoculated in the MPBR is Scenedesmus alliensis (Scenedesmus alliensis). The method is characterized in that the algae inoculated in the MPBR are in the form of Scenedesmus alliensis. The invention constructs a microalgae-membrane photosynthetic reactor system capable of continuously feeding and discharging water, and further optimizes operation conditions and screens out microalgae with low nutrition tolerance aiming at the low nutrition background of A/O sewage treatment effluent. The tolerant microalgae and membrane combined photosynthetic reactor is combined for use and is coupled with pilot-scale A/O sewage treatment equipment for operation, so that pollutants are further removed, and the synergistic removal efficiency of antibiotic resistance genes (ARGs) is also remarkably improved.

Tea flower DHA nervonic acid solid beverage

Resumen de: CN120788116A

The invention discloses a tea flower DHA nervonic acid solid beverage. The tea flower DHA nervonic acid solid beverage comprises the following components: a camellia flower extract, microalgae-derived DHA powder, an acer truncatum nervonic acid extract, prebiotics, a natural sweetener, a stabilizer, an antioxidant and the balance of water. Through the synergistic effect of tea flower polysaccharide and starch sodium octenylsuccinate, a nano-emulsion is formed to embed DHA and nervonic acid, and the problems of oxidation and fishy smell are solved.

Application of cyanobacteria in treatment of kidney injury

Resumen de: CN120789113A

The invention discloses application of cyanobacteria in treatment of kidney injury. The limitation that existing cyanobacteria is only used for extracting metabolites is broken through, the aim that living cyanobacteria act on the acute kidney injury focus in a targeted mode through in-situ injection is achieved, the method is high in targeting performance and low in side effect risk, a safer and more efficient brand-new path is provided for AKI treatment, and wide application prospects are achieved.

Production device for culturing microalgae from kitchen biogas slurry

Resumen de: CN223445513U

The utility model discloses a production device for cultivating microalgae by kitchen biogas slurry, which belongs to the technical field of kitchen biogas slurry purification treatment and comprises an aeration system, a pretreatment system, a membrane dialysis system, a photo-biological reaction system and a control cabinet, the aeration system comprises an aeration fan and an aerator connected through an aeration air pipe; the pretreatment system comprises a pretreatment aeration tank, a pretreatment sludge settling tank and a pretreatment water producing tank which are sequentially communicated, and aerators are correspondingly arranged in the pretreatment aeration tank; the membrane dialysis system comprises a dialysis membrane reactor, a plurality of groups of dialysis membrane assemblies are arranged in the dialysis membrane reactor, and the dialysis membrane assemblies are circularly communicated with the pretreatment water producing pool; the photo-biological reaction system comprises a photo-bioreactor, and the inlet end and the outlet end of the photo-bioreactor are respectively communicated with the shell pass of the dialysis membrane reactor; and the control cabinet is connected with each execution device and issues a control instruction. The device has the advantages of high automation degree and high carbon sequestration efficiency, and can be used for culturing microalgae at low cost by utilizing the kitchen biogas slurry.

METHOD FOR PRODUCING AMMONIA, AND MIXTURE

Resumen de: AU2024242961A1

Provided is a method for producing ammonia comprising: preparing a modified cyanobacterium in which the proportion of heterocysts in cells constituting a nitrogen-fixing cyanobacterium is increased; and irradiating a mixture containing the modified cyanobacterium, a photocatalyst, and water with light in the presence of nitrogen.

EXTRACT WITH ANTI-INFLAMMATORY EFFECT

Resumen de: US2025319145A1

The present invention relates to an anti-inflammatory extract of soil microorganisms or a fraction thereof, wherein the microorganisms comprise one or more selected from Chlorophyta, Xanthophyceae or Cyanobacteria. The invention further relates to compositions comprising two or more of Lyso-DGTS, p-Coumaric acid (ester-linked), oleamide, theophylline, or DGTS. The invention further relates to pharmaceutical compositions comprising the anti-inflammatory extract of soil microorganisms or a fraction thereof or a composition comprising two or more of Lyso-DGTS, p-Coumaric acid (ester-linked), oleamide, theophylline, or DGTS as an active ingredient. The invention further relates to an anti-inflammatory extract of soil microorganisms or a fraction thereof or a pharmaceutical composition comprising an anti-inflammatory extract of soil microorganisms or a fraction thereof or a composition comprising two or more of Lyso-DGTS, p-Coumaric acid (ester-linked), oleamide, theophylline, or DGTS as an active ingredient for use as a medicament, wherein the microorganisms comprise one or more selected from Chlorophyta, Xanthophyceae or Cyanobacteria. The invention further relates to compositions comprising an anti-inflammatory extract of soil microorganisms or a fraction thereof, wherein the microorganisms comprise one or more selected from Chlorophyta, Xanthophyceae or Cyanobacteria.

Biofertiliser Composition

Resumen de: AU2025238093A1

A biofertiliser composition comprising a living microalgae component consisting of a live microalga of Chlorella spp. and a live microalga of Anabaena spp., wherein the ratio of Chlorella spp. to Anabaena spp. is from 1.0:0.8 to 1.0:1.2. ep b i o f e r t i l i s e r c o m p o s i t i o n c o m p r i s i n g a l i v i n g m i c r o a l g a e c o m p o n e n t c o n s i s t i n g o f a e p l i v e m i c r o a l g a o f h l o r e l l a s p p a n d a l i v e m i c r o a l g a o f n a b a e n a s p p , w h e r e i n t h e r a t i o o f h l o r e l l a s p p t o n a b a e n a s p p i s f r o m : t o :

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

Resumen de: WO2025217267A1

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.

Bacterial-algal symbiosis-based decontaminating and carbon sequestration system and method

Nº publicación: CN120774566A 14/10/2025

Solicitante:

QINGDAO AGRICULTURAL UNIV
INNER MONGOLIA UNIV
\u9752\u5C9B\u519C\u4E1A\u5927\u5B66,
\u5185\u8499\u53E4\u5927\u5B66

Resumen de: CN120774566A

The invention belongs to the technical field of breeding manure treatment, and particularly relates to a bacterium-algae symbiosis-based decontaminating and carbon sequestration system and method. The system comprises a forced ventilation nano-film aerobic composting reactor, a composting exhaust collection and gas storage tank and an AO process-based algal-bacterial symbiosis reactor which are coupled and hermetically connected to form a system capable of capturing tail gas exhausted by aerobic composting and synchronously removing dirt and sequestering carbon. According to the method, an AO type phycomycete system is adopted to construct a phycomycete symbiotic system, domestication and inoculation of microalgae-activated sludge microbiota are carried out, and microalgae consumes CO2 dissolved in water in compost exhaust through photosynthesis to generate O2, so that complementary advantages can be formed to synergistically purify water, the water purification efficiency is improved, and common organic matters such as COD and N in the chicken raising wastewater are removed while the compost exhaust is recycled. Breeding manure can be efficiently treated, compost tail gas is effectively utilized, the treatment period is short, the degradation efficiency is high, the process is simple, the operation cost is low, pollution is avoided, and particularly, high nitrogen and phosphorus removal capacity is shown.