69 results about "Eutrophic water" patented technology

The invention discloses a lake eutrophication biological treatment system and a dynamic method based on multi-dimensional cooperative regulation and control. Exogenous pollution control, layered biological manipulation and artificial intelligence dynamic feedback are fused, and the method is particularly suitable for moderate eutrophication water bodies with nitrogen and phosphorus exogenous input not completely cut off. According to the gradient filling structure, macromolecular organic matters are intercepted by using shallow coarse particles, and middle / fine particles specially attack phosphate adsorption, so that graded removal of pollutants is realized; fish ingestion and benthic organism disturbance have a synergistic effect, secondary pollution of aquatic plant litter degradation to a water body is reduced, transfer of nitrogen and phosphorus from the water body and plant litters to animal objects is promoted, and the coupled system can reduce the phosphorus release rate of bottom mud, improve the stability of FePO4 precipitation and synchronously degrade sulfides and organic matters in the bottom mud; electric shock damage to benthic organisms is avoided through the micro-current intensity, sulfur metabolites can be used as a nutrient source of submerged plants, and biological self-purification and resource utilization of eutrophic water are achieved.

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.

The application discloses magnesium modified straw biochar as well as a preparation method and application thereof, and belongs to the technical field of bio-adsorption materials. The preparation method of the magnesium modified straw biochar comprises the following steps: after straw is immersed in a magnesium salt solution (the concentration of the magnesium salt solution is 0.05-0.5 mol / L) and carbonized, the magnesium modified straw biochar is obtained. The magnesium modified straw biochar prepared by the application has a high specific surface area and rich surface functional groups, can effectively adsorb phosphorus in sewage, and realizes effective removal of phosphorus in eutrophic water bodies.

The invention relates to the technical field of water treatment, in particular to modified coal gangue ceramsite for dephosphorization of eutrophicated water and a preparation method thereof.The modified coal gangue ceramsite comprises, by weight, 71 parts of coal gangue, 6 parts of Fe2O3, 16 parts of Al2O3, 3.5 parts of K2CO3 and 3.5 parts of Na2CO3, the coal gangue comprises SiO2, Al2O3, Fe2O3, CaO, MgO, Na2O, K2O, P2O5 and SO3, the content of SiO2 in the coal gangue is 30%-60%, the content of SiO2 in the K2O in the coal gangue is 30%-60%, and the content of SiO2 in the K2O in the coal gangue is 30%-60%. The content of Al2O3 is 20%-40%; the particle size of the coal gangue ceramsite is 0.8-5 mm, the coal gangue ceramsite is formed through sintering, the sintering temperature of the coal gangue ceramsite is 1200 DEG C, and the sintering time is 90 min. The coal gangue ceramsite is modified and tested, the modified coal gangue ceramsite is diversified in variety, higher in adsorption capacity and higher in removal rate, and good pollutant treatment performance is kept by means of the structure, the inner hole structure and the property of the modified coal gangue ceramsite.

The invention discloses a carbon material with a through hole structure and a preparation method and application thereof, the preparation method comprises the following steps: S1, selecting a plurality of aquatic plant stalks with the moisture content of 10% or above, and then compressing the plurality of stalks under 5-50MPa to obtain compressed stalks; s2, the compressed stalks obtained in the step S1 are carbonized at the temperature of 600-800 DEG C to obtain carbonized stalks, and then the whole surfaces of the carbonized stalks are subjected to hydrophilic modification treatment to obtain the carbon material. Through combination of compression, carbonization and hydrophilic modification treatment, the integrity of a plant original through hole structure is reserved to the maximum extent, the pore size is optimized, the capillary effect is enhanced so as to efficiently complete water evaporation, and the evaporation efficiency of the carbon material prepared by the preparation method can reach 4.8 kg / (m.h). And seawater, brackish water, high-fluorine water, heavy metal organic pollution wastewater and eutrophic water can be efficiently treated.

A method for surface water remediation and prevention and mitigation of harmful algal blooms includes the steps of receiving nutrient-rich water from a body of water; cultivating a first type of algae in the raceway algae growth pond to absorb and reduce nutrient concentrations in the nutrient-rich surface water; flowing at least a portion of the nutrient-rich surface water treated in the raceway algae growth pond to an attached algae flow way connected downstream of the raceway algae growth pond; cultivating a second type of algae in the attached algae flow way to further absorb and reduce nutrient concentrations in the nutrient-rich surface water; and returning at least a portion of the nutrient-rich surface water treated by the raceway algae growth pond and the attached algae flow way to the body of water.

The present invention relates to an in-situ biological purification system and method for treating eutrophic water bodies. The purification system comprises several biological purification modules installed in-situ within the water body. Each biological purification module includes a passive protection unit and an active protection unit. The passive protection unit comprises a plurality of fixed fish-repelling isolation devices, which together form a zooplankton protection zone within the water body. The active protection unit comprises a mobile, pursuit-type active fish-repelling device. Advantageously, the in-situ biological purification system continuously repels fish through fish-repelling signals such as bubbles, sound, and light, thereby forming an in-situ zooplankton protection zone in a specific area of the water body. This system fully utilizes the natural water surface to create a protective habitat for zooplankton, reduces predation intensity, increases zooplankton survival rate, biomass, and the proportion of large individuals, and replenishes zooplankton biomass throughout the lake or reservoir, thereby rapidly depleting algae in-situ and achieving the ultimate goal of water pollution control and the protection and restoration of the aquatic ecological environment.

This invention discloses a method for extracting eutrophic water bodies based on Landsat 8, comprising the following steps: using a water body as the research object, acquiring data sources within the research area; data preprocessing; determining the eutrophication level of Landsat 8 at different times using validation data (MODIS data); water body extraction and accuracy verification; calculating the Landsat 8 data from different times according to the water body indices MANDWI and ANDWI, respectively, and obtaining the water body extraction results using the Otsu method; through result comparison and random point accuracy verification, the results show that MANDWI has a good water body extraction effect for water bodies with different eutrophication levels. The modified enhanced normalized difference water body index MANDWI of this invention has a good clear water extraction effect and can extract eutrophic water bodies; achieving high-precision water body extraction and expanding the application of remote sensing data in shoreline extraction and water body identification.

The present invention discloses a strain of Bacillus saccharophilus JLB-1, which is classified and named Terribacillus saccharophilus JLB‑1, deposited in the China Center for Type Culture Collection, with a deposit date of April 16, 2025, and a deposit number of CCTCC NO: M 2025800. The present invention also discloses a bacterial agent prepared thereby. The present invention also discloses the use of the bacterial agent and the bacterial agent prepared thereby in degrading COD, ammonia nitrogen and inhibiting cyanobacteria in polluted water bodies. The saccharophilic land Bacillus JLB‑1 screened and obtained by the present invention has a high efficiency in degrading COD and ammonia nitrogen in polluted water bodies, and significantly inhibits the growth of cyanobacteria. It can be applied to the biological treatment of polluted water bodies such as eutrophic water bodies and black and smelly water bodies, and has very important application value and broad application prospects.

The present invention discloses a comprehensive treatment method for eutrophic water bodies, comprising the following steps: S1, after salvaging phytoplankton in the eutrophic water body, injecting the water to be treated into a permeable hardened soil pit, collecting the remaining silt and distributing it to the permeable hardened soil pit to obtain a pond to be treated; S2, adding a degrading bacterial agent to the pond to be treated to obtain a target water body; S3, after the transparency of the target water body is restored, planting submerged plants in the target water body; S4, after the submerged plants grow stably, releasing fish and benthic aquatic animals into the target water body; S5, maintaining the number of submerged plants, fish and benthic aquatic animals in the target water body stable, and maintaining normal detection indicators in the target water body, thereby completing the treatment of the eutrophic water body. The method of the present invention can reduce the impact of excessive silt nutrients, limit the development of excessive eutrophication in the pond, and intercept suspended matter in the water, thereby shortening the treatment time.

The invention relates to the technical field of algae treatment, and discloses a floating type aquatic crop planting device and method based on algae bloom resource utilization, the floating type aquatic crop planting device comprises a ship body, the ship body is provided with an algae collection and dehydration system, an ultrasonic inactivation system, an algae mud microbial agent mixing system and an ecological restoration system; the algae collection and dehydration system comprises a collection conveying belt and a dehydration device which are connected with the ship body, the ultrasonic inactivation system comprises a multi-band ultrasonic array, the algae mud and microbial agent mixing system comprises a stirring device, a microbial agent storage box and a mixing box, and the ecological restoration system comprises a plant planting device, a mixed mud conveying device and a microorganism putting unit. Through the closed-loop process of algae mud inactivation, microbial conversion and bottom mud injection, the double targets of algae mud recycling and bottom mud remediation are achieved, and the method is suitable for treatment of eutrophicated water bodies such as lakes, river channels and aquaculture ponds.

The application discloses a method for synthetically determining water bloom prevention and treatment measures according to total phosphorus and suspended matter thresholds, and comprises the following steps: measuring total phosphorus concentration I and suspended matter concentration I of eutrophic water, then implementing algae control measures, carrying out water-algae separation, measuring total phosphorus concentration II and suspended matter concentration II of the separated water; calculating total phosphorus removal rate and suspended matter removal rate according to total phosphorus concentration I and total phosphorus concentration II, and suspended matter concentration I and suspended matter concentration II; carrying out function fitting on total phosphorus removal rate and total phosphorus concentration I, and carrying out function fitting on suspended matter removal rate and suspended matter concentration I; determining total phosphorus threshold and suspended matter threshold according to total phosphorus and suspended matter fitting curve formula; and comparing total phosphorus concentration I with the total phosphorus threshold, comparing suspended matter concentration I with the suspended matter threshold, and taking corresponding prevention and treatment measures. The application prevents lake blue-green algae water bloom by controlling total phosphorus concentration, and effectively guarantees lake water ecological environment quality.

The invention discloses a wetland plant growth promoter and a preparation method thereof, and belongs to the technical field of plant growth regulators and sewage treatment. The preparation method of the wetland plant growth promoter comprises the following steps: dissolving the soluble magnesium salt and the chelating agent in water, heating for reaction, cooling, adding the diethyl aminoethyl hexanoate, the compound sodium nitrophenolate, the pimacol and the fatty alcohol-polyoxyethylene ether, and uniformly stirring to obtain the wetland plant growth promoter. The wetland plant growth promoter suitable for promoting the growth of wetland plants is prepared by taking diethyl aminoethyl hexanoate, compound sodium nitrophenolate, sodium naphthalene acetate, chelated magnesium and fatty alcohol-polyoxyethylene ether as main components. The growth promoter has an obvious growth promoting effect on wetland plants, can enable the wetland plants to quickly accumulate biomass, not only can accelerate the construction of constructed wetlands, but also can obviously accelerate the purification speed when being used for helping biologically treat eutrophic water bodies.

This invention relates to an intelligent continuous flow system and method for deep nitrogen and phosphorus removal from wastewater treatment plant effluent with low-activity sludge concentration. Belonging to the technical field of wastewater treatment system purification, the system is designed based on the denitrification phosphorus removal principle. It consists of a nitrification tank, three anaerobic tanks, three anoxic tanks, one aerobic tank, and a sedimentation tank. By measuring the nitrate nitrogen concentration in the effluent and precisely adding an organic carbon source, the system controls the endpoints of nitrification and denitrification reactions online. Due to its short hydraulic retention time, the system can operate at high speed and efficiency, produces no byproducts, and avoids secondary pollution. The purified water meets or exceeds Class III standards of my country's surface water quality standards. This invention provides a better technical solution for addressing the secondary eutrophication pollution caused by surface discharge of effluent from existing wastewater treatment plants and the challenges of upgrading existing wastewater treatment plants. It also has significant implications for the restoration of water quality in water source protection areas and eutrophic water bodies.

The invention relates to a synchronous nitrogen and phosphorus removal sewage treatment method based on secondary calcification modified siderite coupled sulfur autotrophic denitrification. According to the method, active sites and buffer capacity of siderite are improved by using calcination and calcium-based modification processes, nitrate reduction is driven by sulfur autotrophic denitrifying flora, and phosphate is fixed by using a synergistic precipitation effect of iron and calcium ions. According to the system, a neutral pH environment is effectively maintained, inhibition of acidification on microbial activity is avoided, generation of intermediate products is reduced, the denitrification efficiency is remarkably improved, efficient phosphorus removal is synchronously realized, and meanwhile, a reactor with a novel structure is adopted, so that filler hardening can be effectively prevented, and a supporting effect is achieved. The sewage treatment method adopted by the invention does not need additional carbon sources or chemical agents, is high in process integration level, is suitable for treatment of decentralized sewage, industrial wastewater and eutrophic water bodies, and has the advantages of low operation cost, environmental friendliness, easiness in engineering and the like.

The invention relates to the technical field of wetland ecology, in particular to a wetland ecology monitoring method which comprises the following steps: 1) image acquisition; 2) image preprocessing: preprocessing the collected image; 3) image classification: selecting different ground feature classification samples, extracting features of spectral brightness, texture and space structure of similar ground features in different wavebands to create a training classifier, and further dividing the whole image to obtain a ground feature classification map; 4) constructing monitoring indexes including a water eutrophication NDVI, a black and odorous water recognition index BOI, an enhanced vegetation index EVI, an optimized soil adjustment vegetation index OSAVI and a normalized difference red edge index NDRE; by constructing the monitoring indexes and the ecological index formula, the wetland ecology is systematically monitored and judged, the monitoring method is stable and reliable, and a scientific judgment basis can be provided for protection and restoration of the wetland.

The invention relates to the technical field of environmental protection and water treatment, and particularly discloses blue-green algae removal type glass pumice and a preparation method and application thereof. According to the blue-green algae removal type glass pumice, glass pumice serves as a carrier, copper ions are loaded through the processes of pretreatment, solution preparation, load impregnation and aftertreatment, and a copper-loaded glass pumice material is formed. In the preparation process, pore channels are dredged through ultrasonic cleaning pretreatment, the copper ion loading capacity is improved by combining a heating-cooling circulation method, and the final product controls the copper ions to be slowly and continuously released through the carrier and generates synergistic interaction with the algal inhibition effect of the glass pumice. The water body cyanobacteria can be safely inhibited and removed for a long time, and the preparation process is simple, low in cost and suitable for treatment of various eutrophic water body cyanobacteria.

The application belongs to the technical field of microbial application, and relates to a salt-tolerant, dephosphorizing and denitrifying PHA strain and application thereof. Zobellella denitrificans ) ZD10, which has been preserved in the China Center for Type Culture Collection, located in Wuhan, Wuhan University, China, and has a preservation number of CCTCC NO: M 20242632 and a preservation date of November 25, 2024. The strain has the following applications: application in the remediation of eutrophic water bodies and the treatment of high-salt and high-ammonia-nitrogen wastewater; application in the treatment of ordinary ammonia-nitrogen wastewater; application in the treatment of industrial high-ammonia-nitrogen wastewater; application in the treatment of eutrophic seawater; application in the production of PHA by using various carbon sources; and application in marine circular economy. The strain has the functions of simultaneous dephosphorization and denitrification, can realize simultaneous nitrification and denitrification, dephosphorization and the production of raw material PHA with unique physical properties under high-salt (3%) and non-sterilized conditions, and can play a unique role in the construction of a marine circular economy system and the treatment of high-ammonia-nitrogen wastewater.

The invention provides a natural plant-based algae flocculation material as well as a preparation method and application thereof, the material takes polylactic acid hollow microspheres with specific density as a buoyancy inner core, and a composite structure of the buoyancy inner core, a nutritive salt removal middle layer and an algae flocculation outer layer is formed from inside to outside through layer-by-layer functionalization construction. Wherein the nutritive salt removing layer is calcium alginate hydrogel loaded with hydrated lanthanum oxide and modified zeolite, and synchronous adsorption of phosphate radicals and ammonium ions can be achieved; an algae flocculation outer layer is a porous polylactic acid layer loaded with moringa seed powder and tea saponin, and efficient flocculation and activity inhibition of algae are realized through cooperation of electric neutralization, adsorption bridging and a membrane damage mechanism. The material has the functions of algae flocculation, nutritive salt removal and easy recovery after use, and an environment-friendly and high-sustainability new way is provided for eutrophic water body and algae bloom treatment.

The invention relates to the technical field of water pollution treatment, in particular to a microbubble enhanced cascade discharge plasma reactor and an algae removal method. The microbubble enhanced cascade discharge plasma reactor provided by the invention adopts a three-electrode coaxial structure, a high-voltage power supply is connected to a middle porous electrode, and the center and peripheral electrodes are grounded to construct an inner-layer gas-phase pre-ionization region and an outer-layer gas-liquid mixed-phase reaction region. Working gas firstly discharges in the inner layer to generate high-concentration active particles, then the high-concentration active particles are sprayed out through the micropores to form a microbubble group carrying active substances, and secondary discharge of the outer layer is induced. Ultraviolet light, shock waves and active substances generated by cascade discharge cooperatively destroy algae cell structures, so that the algae cells are inactivated and flocculated, and rapid separation of algae residues is realized by virtue of a micro-bubble air flotation effect. The method is efficient, low in consumption, free of secondary pollution and suitable for emergency and deep treatment of the eutrophic water body.

This invention discloses a method for the synergistic resource utilization of "candidate organisms of Rhubarb and black soldier fly" mediated by in-situ biomass resource utilization of water hyacinth, belonging to the field of water pollution control engineering technology. The method includes the following steps: harvesting water hyacinth from eutrophic water bodies, performing in-situ biomass resource utilization, crushing, composting, and maturing the biomass to obtain compost products; using the compost products as a cultivation substrate to induce or cultivate candidate organisms of Rhubarb and obtain biomass; pulverizing and conditioning the biomass to obtain a feeding substrate, and feeding the feeding substrate to black soldier fly larvae to achieve biotransformation, separating the larvae and their excrement residue; and returning the compost liquid to the cultivation process for humidity control. This invention solves the three major pain points of existing technologies: secondary pollution, equipment dependence, and high energy consumption with low output value, realizing the full-chain transformation of water hyacinth from "invasive pollutant" to "protein feed resource + organic fertilizer raw material".

The present invention relates to a sphingobacterium strain and its application in river water management. In order to solve the problem that existing microbial strains cannot take into account the removal efficiency of ammonia nitrogen, COD and phosphorus at the same time, the present invention has developed a strain for river water management, which is a sphingobium Sphingobium sp.Q‑13 strain, which was deposited in the China Center for Type Culture Collection on May 27, 2022, with a deposit number of CCTCC No: M 2022746. The strain can remove more than 75% of COD, ammonia nitrogen and total phosphorus in eutrophic water bodies in rivers, can be used for river water management, restore the self-purification capacity of rivers, and has no pollution to the environment and low processing cost, which is of great significance to river water management.

Provided herein are systems and methods for energy capture, energy storage, and stored energy translation to mechanical work, having: piston drive pump cylinder tube for housing a first volume of liquid, and a piston drive pump; wherein the piston drive pump is configured for motion; an energy storage tank for storage of a first volume of air and a second volume of liquid wherein the first volume of air is compressed air; a recovery tank for housing a second volume of air and a third volume of liquid; a liquid driven turbine connected to the energy storage tank and in communication with the second volume of liquid of the energy storage tank; a plurality of unidirectional liquid tubes and air tubes for connecting the piston drive cylinder tube, the energy storage tank, and the recovery tank; an impeller associated with the turbine; and a subsystem for energy generation.

The application relates to the technical field of water treatment, and particularly discloses an ecological floating island structure for repairing eutrophic water bodies, which comprises a floating island module and an anchoring rod, further comprises a frame device and a limiting device; the frame device comprises a connecting sleeve and multiple floating pipes; the front end of the floating pipe is provided with a sliding sleeve I; the front end of the floating pipe is in sliding fit with the rear end of another floating pipe through the sliding sleeve I; the front and rear ends of the multiple floating pipes are connected to form a rectangular placement cavity; multiple floating island modules are uniformly arranged in the placement cavity; one end of the connecting sleeve is fixed with the floating island module, and the other end is slidably sleeved on the floating pipe; and an elastic telescopic rod is connected between two floating island modules; and the limiting device is matched with the floating pipe to limit the position of the floating pipe; the ecological floating island structure for repairing eutrophic water bodies has the effect of improving the wind and wave resistance of the floating island module.

Provided herein are systems and methods for energy capture, energy storage, and stored energy translation to mechanical work, having: piston drive pump cylinder tube for housing a first volume of liquid, and a piston drive pump; wherein the piston drive pump is configured for motion; an energy storage tank for storage of a first volume of air and a second volume of liquid wherein the first volume of air is compressed air; a recovery tank for housing a second volume of air and a third volume of liquid; a liquid driven turbine connected to the energy storage tank and in communication with the second volume of liquid of the energy storage tank; a plurality of unidirectional liquid tubes and air tubes for connecting the piston drive cylinder tube, the energy storage tank, and the recovery tank; an impeller associated with the turbine; and a subsystem for energy generation.

The application discloses a kind of photocatalytic material for removing eutrophication water body algae and its preparation method and application, in the present application, anhydrous ethanol containing polytetrafluoroethylene is used to adhere powdered Ag3VO4 / WO3 catalyst on graphite felt, realizing the recovery of catalyst and avoiding secondary pollution, and when reused, the removal rate of algal cells by the photocatalytic material is still close to 90%. In addition, heterojunction can be formed between WO3 and Ag3VO4 in the photocatalytic material, effectively inhibiting the recombination of photo-generated hole-electron pairs, thereby improving the photocatalytic activity of the photocatalytic material.

The invention discloses a multifunctional ecological floating bed for treating eutrophic water based on biofilm culturing, and relates to the technical field of ecological floating beds. The multifunctional ecological floating bed comprises a frame body, frame assemblies are fixed to the front edge and the rear edge of the bottom of the frame body, and a plurality of floating plate assemblies are assembled in each frame assembly; the frame assembly comprises two sets of floating frames. According to the invention, the biological filler is added into the planting cylinder to adsorb nitrogen and phosphorus in water, and can be used as a carrier of microorganisms to degrade organic matters in the water body, so that the purpose of comprehensively repairing the eutrophic water body is achieved. On the other hand, waves generated on the surface of the water body are used for promoting the plate body to float up and down, stirring the water body, conveying external air into the water and increasing dissolved oxygen in the water, so that oxygen is provided for the roots of the planted aquatic plants, and plant growth is facilitated; the self-purification effect of the water body and the degradation activity of aerobic microorganisms loaded on the biological filler in the plant cylinder are enhanced; when the water surface is in a calm state, the solar energy can be utilized to actively lift the floating plate, so that the stirring effect of the water body is enhanced, and the flexible application and treatment effect of the floating bed are improved.

The present invention discloses a nitrogen-phosphorus-doped carbon material containing copper nanoparticles, as well as its preparation method and application. First, residual sludge from urban domestic sewage treatment plants is cultured and domesticated, followed by hydrochloric acid impregnation and ethanol purification to prepare a microbial flocculant. Subsequently, copper ions are adsorbed and captured by the microbial flocculant, and the resulting Cu@NPC is obtained by high-temperature calcination. The Cu@NPC powder is then coated on a carbon cloth substrate to obtain a Cu@NPC / CC electrode, which is then applied to the electrocatalytic reduction of nitrates in water. The Cu@NPC / CC electrode prepared by the present invention has excellent electrocatalytic nitrate reduction performance and can be used to remove nitrates from surface water, groundwater, and drainage from urban sewage treatment plants, providing a valuable reference for the prevention and control of water pollution caused by nitrogen eutrophication.

The invention provides an algicidal bacterium bacillus vallismortis (bacillus vallismortis) capable of efficiently dissolving algae, the bacillus vallismortis is preserved in the China Center for Type Culture Collection on January 6, 2025, and the preservation number is CCTCC (China Center for Type Culture Collection) NO: 2025029; according to the method, a bacterium with efficient algae-lysing capacity is screened out from the eutrophic water body and is prepared into the fungicide, the bacterium has high algae-lysing capacity and biological safety, and the method has a quite wide application prospect as an environment-friendly harmful algae bloom control method.

The application discloses a device and method for removing phosphorus in eutrophication water body, comprising an algae decomposition pool, an electric flocculation pool, a sedimentation pool and an anoxic recovery pool; the algae decomposition pool is a vertically arranged decomposition pool body, a plurality of motors are arranged at the upper and lower ends of the decomposition pool body respectively, a filter plate is arranged in the decomposition pool body, a pulling rope is arranged between the upper end motor and the upper surface of the filter plate, a pulling rope is arranged between the lower end motor and the lower surface of the filter plate, and the movement of the filter plate in the vertical direction is controlled through the pulling ropes; a plurality of one-way holes are arranged on the filter plate. Part of the separated phosphorus is in the form of phosphate, and the anoxic recovery pool can recover the phosphate under the condition that the content of additives is small. The application is simple to operate, does not need to use a large amount of chemical agents, and avoids secondary pollution possibly caused by the chemical agents.