Absstract of: KR20240092341A
본 발명의 일 실시예에 따른 통합 하·폐수처리시설은, 하·폐수의 오염물질을 1차적으로 제거하는 침사지, 상기 침사지를 경유한 하·폐수의 고형물을 제거하는 1차침전조, 상기 1차침전조를 경유한 하·폐수를 정화하는 반응조 및 상기 반응조를 경유한 하·폐수를 슬러지와 상등수로 분리하는 2차침전조가 구비되는 수처리모듈, 상기 침사지, 상기 1차침전조, 상기 반응조 또는 상기 2차침전조에서 발생되는 가스를 포집하는 가스포집기, 상기 반응조에 발생 가능한 피해를 사전에 인지하기 위하여 상기 2차침전조로부터 슬러지를 공급받고, 상기 반응조로 유입되는 하·폐수를 샘플링하는 위기관리모듈, 상기 2차침전조로부터 슬러지를 공급받아 상기 가스포집기로부터 포집된 가스를 제거하는 악취제거모듈 및 상기 2차침전조로부터 공급되는 상등수 및 상기 가스포집기로부터 공급되는 가스를 통해 미세조류를 배양하는 조류배양모듈을 포함한다.
Absstract of: CN221191868U
The utility model discloses an algal-bacterial symbiotic system for wastewater treatment, which comprises a barrel with one closed end, a first water inlet pipe arranged at the top end of the barrel, and a second water inlet pipe arranged at the bottom end of the barrel, the spiral water purification channel is arranged in the cylinder, and the opening end of the first water drainage pipe extends into the protruding part; the plurality of bacteria-algae mixed gel beads are arranged in the spiral water purification channel; a denitrifying bacteria gel bead layer and a supporting sleeve are arranged in the box body, a third water outlet pipe is arranged on one side of the bottom of the box body, the barrel is arranged on the supporting sleeve, and a notch is formed in the bottom of the supporting sleeve; and the porous bacteria-algae mixed sponge column is arranged in the supporting sleeve. According to the utility model, the microalgae can absorb nutrient substances such as nitrogen, phosphorus and the like in the sewage and convert the nutrient substances into biomass, and release oxygen and organic matters through photosynthesis, so as to meet the growth requirements of most aerobic bacteria, form benign substance energy circulation, and effectively remove nutrient substances such as nitrogen, phosphorus and the like, heavy metals and refractory organic matters in the sewage.
Absstract of: CN118222403A
The invention relates to the field of microalgae, and provides a method for culturing tribonema on a large scale. The method comprises the following steps: carrying out large-scale culture on tribonema in a tribonema culture medium; wherein the large-scale culture is carried out in a pipeline type photobioreactor provided with a circulating pump, the working frequency of the circulating pump is below 30Hz, and the material flow rate in a pipeline is 0.3-0.6 m/s; the tribonema culture medium is prepared from 0.1 g/L to 1 g/L of urea, 1 g/L to 2 g/L of sodium bicarbonate, 0.5 g/L to 1.5 g/L of potassium sulfate, 0.3 g/L to 0.7 g/L of dipotassium phosphate, 0.01 g/L to 0.2 g/L of magnesium sulfate, 0.01 g/L to 0.1 g/L of calcium chloride dihydrate and 0.05 g/L to 0.15 g/L of ethylene diamine tetraacetic acid. The tribonema culture medium is combined with a culture process to culture tribonema, and the biomass of the tribonema can be greatly improved.
Absstract of: CN118222476A
The invention relates to a method for promoting the formation of a microalgae biofilm on the surface of a carrier by using indoleacetic acid, which comprises the following steps: adding 0.01-1mg/L indoleacetic acid into a microalgae suspension system to increase the adhesion amount of microalgae cells on the surface of the carrier and accelerate the formation of the microalgae biofilm; compared with a control group, 0.1 mg/L of indoleacetic acid enables the initial adhesion amount of the microalgae surface to reach the maximum value of 7.233 g/m < 2 >; 0.01-1mg/L of indoleacetic acid can promote synthesis of protein and hydrophobic amino acid while improving the CO2 absorption capacity of the microalgae by adjusting the Kalvin cycle of the microalgae, so that the surface electron donor characteristics of the microalgae biological membrane are changed, the energy barrier between the microalgae and a carrier is reduced, and the initial adhesion capacity of the microalgae biological membrane is improved.
Absstract of: CN118222339A
The invention belongs to the technical field of biogas and biogas slurry purification application, and particularly relates to a reaction system and process for multi-stage combined purification of biogas and biogas slurry through water washing and biological membranes. The reaction system for multi-stage combined purification of biogas and biogas slurry through water washing and biological membranes comprises a biogas slurry pretreatment unit, a biogas pretreatment unit, a reaction unit and a desorption unit. By adding the biogas washing device, washing carbon sequestration and microalgae biological membrane nitrogen fixation and carbon reduction are organically combined, the biogas slurry is subjected to nitrogen reduction purification while the biogas treatment efficiency is improved, and meanwhile, the porous hydrophobic characteristic of a PTFE/SiO2 composite fiber membrane is used, so that gas-liquid separation is achieved, mass transfer resistance is reduced, and the removal efficiency of CO2 in the biogas is improved; and finally, concentrating the biogas slurry by using solar energy, recycling nutrient elements in the treated biogas slurry for microalgae growth, efficient carbon sequestration and biogas upgrading, purifying the biogas slurry, reducing the loss of water resources, and further improving the cyclic utilization efficiency of the biogas slurry.
Absstract of: CN118217784A
The invention provides a method for cooperatively treating flue gas of an iron and steel plant by utilizing multiple algae species, which comprises the following steps: simultaneously inoculating scenedesmus obliquus and chlorella onto a culture medium in a reactor, filling the reactor with the flue gas of the iron and steel plant for carbon sequestration culture, and collecting algae cells; the concentration of CO2 in the flue gas of the steel plant is 25-30%, the concentration of NOx is 60-70 mg/Nm < 3 >, and the concentration of SO2 is 70-80 mg/Nm < 3 >. According to the method disclosed by the invention, the flue gas containing high-concentration CO2, NOx and SO2 in the steel plant is used for carrying out collaborative culture on multiple algae species of scenedesmus obliquus and chlorella, so that carbon emission reduction of the flue gas in the steel plant is realized, the tolerance of CO2, NOx and SO2 and the CO2 fixation efficiency are improved, and the productivity of microalgae biomass and the yield of grease are also improved.
Absstract of: CN118222406A
The invention provides high-temperature-resistant microalgae and application thereof in seawater prawn culture tail water treatment. The screened high-temperature-resistant microalgae can be used for treating prawn culture tail water. The microalgae are nannochloropsis oculata, and the preservation number of the microalgae is CCTCC (China Center for Type Culture Collection) NO: M 2024033. According to the method, the culture tail water is subjected to aeration treatment and microalgae species screening, aeration treatment and microalgae addition are combined to treat the prawn culture tail water, the experimental result shows that the culture tail water can be efficiently treated through ozone, ultramicro bubble treatment and nannochloropsis oculata, and the effect is good through pilot plant test verification. According to the invention, the synergistic effect between ozone ultra-micro bubble aeration and microalgae is fully exerted, so that the treatment effect on the culture water body is remarkably improved.
Absstract of: WO2024128564A1
The present invention relates to a cell culture composition containing an extract from microalgae of the Thraustochytrid family. It has been found that when muscle cells are cultured in a medium containing an extract derived from the biomass of microalgae belonging to the Thraustochytrid family according to the present disclosure, the proliferative capacity of muscle cells is enhanced. Therefore, the cell culture composition including the microalgae extract can be used as a substitute for fetal bovine serum among the components of cell culture media.
Absstract of: WO2024128494A1
A Schizochytrium sp. strain, which is a high-bio-oil-producing microalgae containing a high concentration of DHA, of the present invention, has high bio-oil productivity due to a high crude fat content in a produced biomass, and has the characteristic of containing a high content of docosahexaenoic acid within cells. Accordingly, the strain itself, a biomass produced by culturing and fermenting the strain, and its concentrates and extracts can be helpfully used as a feed composition or food composition.
Absstract of: US2024200017A1
An integrated process for producing hydrogen includes: a) production of algal biomass by a photobioreactor where microalgae are fed with water and carbon dioxide and irradiated with light radiation; b) anaerobic digestion for obtaining biomethane and nitrogen digestates by an anaerobic digester, where the anaerobic digestion takes place starting from said algal biomass obtained in said step a); c) steam reforming for obtaining hydrogen, carbon dioxide, and heat starting from steam, oxygen, and the biomethane obtained in step b), and subsequent separation of carbon dioxide; and d) alkaline electrolysis of water for obtaining hydrogen and oxygen, by electrolysers, starting from water heated by the heat obtained in step c) and electric power, where the carbon dioxide in step a) comes from step c) and the oxygen in step c) comes from step d).
Absstract of: KR20240086928A
신규한 미세조류 그라시엘라 이멀소니와 이의 배양방법으로, 잔토필과 지방산을 생산하는 신규한 미세조류 그라시엘라 이멀소니를 제공하고, 가장 최적화된 배양조건을 알아내 잔토필과 지방산을 효율적으로 생산하는 방법을 제공함으로 바이오에너지, 건강기능식품, 사료, 화장품 및 의약품 원료로서의 가능성을 제공할 수 있다.
Absstract of: CN118207064A
The invention relates to a microalgae culture liquid concentration online detection system and method.The detection system comprises a microalgae concentration detection device, a microalgae culture tank, a microalgae culture tank, a flow meter, a thickener and a liquid collection tank, the microalgae concentration detection device is used for monitoring the concentration of microalgae culture liquid online in real time, and the flow meter is used for measuring the concentration of the microalgae culture liquid; the illumination intensity is measured and compared with a pre-calibrated concentration relationship, so that the concentration value of the microalgae is obtained; a feed port of the thickener is connected with the other end of the flowmeter, and a concentrated phase discharge port of the thickener is connected with a feed switch valve of the microalgae concentration detection device; a clear liquid outlet of the thickener is connected with the liquid collection tank, and a bottom discharge port of the microalgae concentration detection device is connected with the liquid collection tank. Compared with the prior art, the microalgae concentration detection device has the advantages that the equipment form is simple, the detection speed is high, the stability and accuracy of detection data can be ensured by the structure in the microalgae concentration detection device, and the requirements of industrial carbon sequestration microorganism culture are met.
Absstract of: CN118207233A
The invention relates to a method for constructing engineered cyanobacteria capable of synthesizing microcystic toxins. The method comprises the following steps: S1, constructing plasmids containing microcystic toxin synthesis gene clusters; s2, transforming blue-green algae by using the plasmid; and S3, screening to obtain blue algae in which the microcystic toxin synthetic gene cluster is integrated into the genome. According to the invention, metabolic engineering transformation is carried out on the synechococcus PCC7942, so that an engineered algal strain capable of producing the novel cyclopentapeptide microcystin is obtained, and a material basis is provided for industrial production of the microcystin.
Absstract of: CN221166521U
The utility model discloses a disturbance system for microalgae liquid, which comprises a culture pond and the microalgae liquid, a floating rod is arranged in the microalgae liquid, a water bag is connected onto the floating rod, and the floating rod floats in the microalgae liquid and is connected with a motor through a traction rope. The floating rod reciprocates in the microalgae liquid under the driving of the motor and drives the water holding bag to carry out water holding disturbance. The system can simply realize disturbance of microalgae liquid, is low in installation and operation cost, and is helpful for improving the economic benefit of microalgae culture.
Absstract of: CN118215730A
The present application relates to a novel Schizochytrium sp. Strain from which oil in cells is readily extracted and a method for producing omega3-containing oil using the same. The novel thraustochytrid microalgae according to the present invention have a high content of fat in biomass, in particular unsaturated fatty acids, such as docosahexaenoic acid and eicosapentaenoic acid, in particular docosahexaenoic acid and eicosapentaenoic acid, in particular docosahexaenoic acid and eicosapentaenoic acid. Thus, it is very easy to extract biomass produced by itself or by culture and fermentation and to extract fat components including unsaturated fatty acids from biomass. Therefore, the microalgae, the dried biomass, and the bio-oil prepared therefrom can be effectively used as a composition for feed or a composition for food.
Absstract of: CN221166504U
The utility model discloses a microalgae culture device, including cultivator subassembly and illumination subassembly, the cultivator subassembly includes incubator and multi-section reaction tube, the incubator is filled with culture solution, culture solution can circulate in the reaction tube, the illumination subassembly is sleeved outside each section of reaction tube, and the illumination subassembly is fixed on the incubator. The number of the illumination assemblies is multiple, the multiple illumination assemblies are distributed along the reaction tube at intervals, light-emitting parts are arranged in the illumination assemblies, light emitted by the light-emitting parts can directly irradiate or be reflected into the reaction tube, and each illumination assembly comprises an upper splicing block and a lower splicing block; the longitudinal section of the upper splicing block and the longitudinal section of the lower splicing block are each in a semicircular ring shape, an illumination cavity is defined by the upper splicing block and the lower splicing block, and the light-emitting part is arranged in the illumination cavity. By the adoption of the microalgae culture device, the light-dark alternating culture effect on microalgae can be achieved, the growth efficiency and the culture effect of the microalgae are improved, and cost can be reduced.
Absstract of: CN118185983A
The invention belongs to the field of synthetic biology, relates to modification of a microalgae glucose metabolic pathway, and particularly provides a method for improving the glucose heterotrophic growth rate of a phaeodactylum tricornutum heterotrophic transformant and application of the glucose heterotrophic growth rate of the phaeodactylum tricornutum heterotrophic transformant. According to the invention, phaeodactylum tricornutum is taken as a specific research object, a rate-limiting site causing the phaeodactylum tricornutum Glut1 gene in a glucose metabolism process under a heterotrophic condition of a heterotrophic transformant is determined through metabolite omics, and a glucose metabolism pathway of the heterotrophic transformant is optimized by using related technical means of genetic engineering; therefore, the reason for the slow heterotrophic growth of the phaeodactylum tricornutum transformant is determined, and the heterotrophic growth rate of the heterotrophic transformant is improved by optimizing the expression of the rate-limiting enzyme. Compared with a starting algal strain, the heterotrophic growth rate of the genetic engineering algal strain disclosed by the invention is increased by about 50%. Reference experience is provided for research on metabolic pathways of the microalgae subjected to heterotrophic transformation under different culture conditions, and effective thinking and method reference are also provided for improving the growth rate of
Absstract of: CN118185761A
The invention relates to the technical field of microalgae culture, in particular to a device and method for inducing rapid growth of microalgae cells through electrical stimulation, and the device comprises an algae storage barrel which is used for accommodating mixed liquid containing microalgae; the input end of the electric pump is communicated with the microalgae storage barrel, and the output end is connected with the transparent pipeline for driving the microalgae mixed liquid to flow; the liquid inlet end of the transparent pipeline is connected with the output end of the electric pump, and the liquid outlet end of the transparent pipeline is communicated with the algae storage barrel; the illumination system is used for applying illumination to the transparent pipeline; the electrical stimulation module is used for applying voltage to the microalgae mixed liquid in the transparent pipeline; the device can meet the industrial production requirements of microalgae mass culture. In addition, through a reasonable electrical stimulation induction mode, rapid growth of the nitzschia closterium is promoted, meanwhile, insect pests can be reduced, and growth of the nitzschia closterium is facilitated.
Absstract of: CN118190867A
The invention discloses a method for guiding high-density fermentation of microalgae by using an online near-infrared technology and application of the method. The method comprises the following steps: S1, adding glucose into unsterilized high-ammonium-nitrogen industrial wastewater to prepare a culture medium; s2, inoculating the thiophilic original red algae seed solution into a culture medium for light fermentation culture, continuously collecting near infrared spectrums at different time points by using online near infrared analysis equipment, and performing data pretreatment to obtain near infrared spectrum data; meanwhile, process parameters at different time points are measured off line, and physical and chemical detection data are obtained; and finally, establishing a prediction model through linear fitting. And S3, continuously collecting near infrared spectrums in the fermentation system on line by using on-line near infrared analysis equipment, performing conversion according to the prediction model to obtain process parameters in the fermentation system, and finally controlling the peristaltic pump to perform intermittent feeding according to the process parameters. The method disclosed by the invention can be used for microalgae fermentation or treatment of high-ammonium-nitrogen wastewater, and wastewater resource reutilization is realized.
Absstract of: CN118183973A
The invention discloses a microalgae-based enhanced flocculation phosphorus removal and turbidity removal method, which is a treatment process for removing suspended particulate matters and phosphorus element in water by using microalgae and a biodegradable natural polymeric flocculant. The method comprises the following steps: firstly, adding a certain amount of microalgae into phosphorus-containing sewage, absorbing a part of phosphorus element by utilizing growth and metabolism of the microalgae, increasing the number of suspended particles in the sewage, and improving the collision probability among the particles; and then adding a natural polymeric flocculant, further improving the destabilization and aggregation effects of particulate matters and algae cells through electric neutralization and bridging effects, and removing phosphorus elements and suspended particles in water by cooperating with a net trapping and sweeping effect. According to the method, the characteristics and advantages of the microalgae and the flocculant can be combined, the defects that the turbidity of a water body is increased during phosphorus removal by algae and the phosphorus removal effect of a natural polymeric flocculant is poor are overcome, the biological action of the microalgae and the chemical action of the flocculant are fully played, secondary pollution such as introduction of metal elements in the process is avoided, and the method is suitable for industrial production. And the ef
Absstract of: CN118177288A
The invention discloses preparation and application of a novel bioactive peptide compound feed additive. The novel bioactive peptide compound feed additive is specifically composed of bioactive peptide serving as a main material and auxiliary materials serving as auxiliary materials, the bioactive peptide serving as the main material is chemically synthesized peptide, the auxiliary material 1 is a peptide mixture which is obtained through enzymolysis of marine microalgae and has the molecular weight of 2000 Da or below, and the dressing 2 is stone powder screened through a 20-80-mesh sieve. The main materials and the auxiliary materials are prepared according to a certain proportion. The novel compound feed additive is a nutritional supplement for animals and is used for protecting intestinal tracts and preventing intestinal inflammation. The bioactive peptide compound has no toxic or side effect, cannot be left in vivo, and can effectively avoid threat of veterinary drug residues to human health and economic loss. The invention can promote the rapid development of novel feed additive products mainly containing bioactive peptides in the aspects of breeding industry and feed addition, and makes a great contribution to the common problem of healthy breeding in China and even all over the world.
Absstract of: CN221141730U
The utility model relates to the technical field of wastewater treatment, in particular to an effect comparison detection device for treating wastewater by microalgae. The utility model provides an effect comparison and detection device for treating wastewater by microalgae, which can be used for automatically stirring the wastewater, ensuring that the microalgae are uniformly distributed in the wastewater, conveniently detecting and comparing the removal and treatment effects of different microalgae on pollutants in the same wastewater, and improving the intuition of an experiment. A microalgae wastewater treatment effect comparison detection device comprises a workbench, a first placement table and the like, and the first placement table is slidably connected to the upper side of the middle of the workbench. According to the device disclosed by the utility model, different types of microalgae are respectively put into the detection cups by setting a control group, and the reciprocating screw rod is controlled by the motor to drive the inflator to inject bubbles into wastewater, so that the wastewater can be automatically stirred to ensure that the microalgae are uniformly distributed in the wastewater; meanwhile, the removal treatment effects of different microalgae on pollutants in the same kind of wastewater can be conveniently detected and compared, and the intuition of an experiment is improved.
Absstract of: CN118201625A
Compositions containing extracellular vesicles (MEVs) from microalgae are provided that are exogenously loaded with a bioactive load or other load of interest, e.g., for therapeutic, industrial, diagnostic and cosmetic use. MEV has a variety of applications as a therapeutic agent, including as a vaccine, as an anti-cancer therapeutic agent, as a diagnostic agent, and other such uses.
Absstract of: CN118177119A
The invention discloses a three-dimensional ecological breeding method for ruditapes philippinarum, nine-shrimp and microalgae. The three-dimensional ecological breeding method comprises the steps of breeding pond construction, disinfection, water containing, offspring seed putting, water quality management and feeding management. In the last ten-day period of March, clam fries are put, and the density is 10000 clam/m < 2 >; in the middle ten days of May, young shrimps are put, and the stocking density is 4000-6000 shrimps/mu; 7 days after the shrimp seeds are put, putting microalgae at 8-10 o'clock in the morning of a sunny day; according to the scheme, the clams, the shrimps and the microalgae are co-cultured, the culture space can be fully utilized, the space utilization rate can be increased, the feeding cost can be reduced through the water purification capacity of the shellfish and the microalgae and the eating capacity of the shrimps to the algae, the algae are beneficial to better growth of the shrimps, shrimp diseases and stress are reduced, the shrimps can obtain better appearance, economic benefits are increased, and the method is suitable for large-scale popularization and application. And meanwhile, the introduction of the microalgae brings extra ecological balance to a culture system, and the growth speed and production quality of the nine-penaeus japonicus and the clam are improved.
Nº publicación: US2024191311A1 13/06/2024
Applicant:
USA REPRESENTED BY ADMINISTRATOR OF THE U S EPA [US]
THE US GOV AS REPRESENTED BY THE ADMINISTRATOR OF THE U S EPA [US]
USA, represented by Administrator of the U.S. EPA,
The United States Government, as represented by the Administrator of the U.S. EPA
Absstract of: US2024191311A1
This invention is at least one panel of qPCR/RT-qPCR assays which enables simultaneous testing for the presence of multiple species and subgroups of cyanobacteria that produce microcystin, anatoxin, saxitoxin, and cylindrospermopsin cyanotoxins. The method takes into account that some cyanobacteria species may carry genes associated with multiple toxin types. Testing for each toxin type is conducted under standardized test conditions which allow quantification of the number of gene copies present for cyanotoxins which may contribute to the overall toxin level.