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1250 results about "Treated water" patented technology

Treated water is any type of hydrogen dioxide H 2O) that undergoes processing to serve a specific end use. The water treatment process involves either the subtraction of components from the water, the addition of components to the water, or both. There is more than one way to produce treated water.

Plateau lake agricultural non-point source pollution treatment method

The invention provides a plateau lake agricultural non-point source pollution treatment method which comprises the following steps: acquiring vegetation indexes and surface temperature field data by using a remote sensing satellite, and generating a pollution source space thermodynamic diagram in combination with water quality and soil parameters of ground sampling points; performing space-time alignment and data fusion on the thermodynamic diagram and real-time runoff and soil permeability data acquired by the hydrological sensor network, and constructing a structured pollution migration database; on the basis of the database, a hybrid neural network model embedded with physical constraints is utilized to predict pollutant concentration distribution within 72 hours in the future; inputting the predicted value into a multi-stage optimization controller, and generating a control parameter set comprising treatment intensity, engineering parameters and a fertilization ratio; generating a treatment strategy map covering the drainage basin through a GIS; and deploying an Internet of Things monitoring node to collect the treated water quality data to form a closed-loop control link. The treatment efficiency and effect can be improved, the treatment cost is reduced, and the negative influence on the ecological environment is reduced.
Owner:POWER CHINA KUNMING ENG CORP LTD

Water environment pollution water body treatment and purification device and purification method thereof

The invention discloses a water environment pollution water treatment and purification device and a purification method thereof, and belongs to the technical field of water treatment, the water environment pollution water treatment and purification device comprises a water inlet tank, a treatment tank is fixedly connected to one side of the water inlet tank, a water outlet tank is fixedly connected to one side of the treatment tank, and water pumps are fixedly connected to the water inlet tank and the water outlet tank; the input end of the water pump is fixedly connected with a water pumping pipe. According to the conveying device, the first motor drives the transmission wheels to rotate, the transmission wheels drive the belt and the other transmission wheel to rotate synchronously, then the connecting shaft rotates, the connecting shaft drives the reciprocating lead screw to move in the fixing plate, the reciprocating lead screw pushes the threaded cap to move, the threaded cap drives the transverse plate to move synchronously, and then the conveying cylinder moves stably in the horizontal direction. Chemical agents can be evenly distributed in the treatment box, the chemical agents and sewage are fully mixed through continuous stirring of the stirring blades, the purification effect is achieved, and finally treated water is sucked into the water outlet box through the water pump and discharged through the water outlet valve.
Owner:NANJING BOZHIYUAN ENVIRONMENTAL TECH CO LTD

Full-quantitative removal method for PFAs in environmental water body

The invention discloses a full-quantitative treatment method for PFAs in environmental water, which comprises the following steps: passing wastewater containing PFAs through a filter, then adsorbing the wastewater through an adsorption tank A or an adsorption tank B containing an active adsorbent to obtain treated water reaching the standard, directly discharging the treated water, introducing a NaOH solution for desorption after the adsorption tank A or the adsorption tank B is saturated, and discharging the treated water after the adsorption tank A or the adsorption tank B is saturated. An obtained desorption solution is introduced into a BDD reaction tank for electrochemical oxidative degradation and then returns to the adsorption tank A or the adsorption tank B for desorption, then the obtained desorption solution enters the BDD reaction tank for electrochemical oxidative degradation, after desorption-degradation circular treatment is carried out, desorption is completed, and an acid solution is introduced into the adsorption tank A or the adsorption tank B after desorption is completed so that the active adsorbent can be regenerated; and after the desorption is completed, the obtained desorbed liquid is firstly discharged to the storage tank, and after the adsorption tank A or the adsorption tank B is saturated by adsorption, the desorbed liquid is returned and introduced into the adsorption tank A or the adsorption tank B to enter the next cycle of desorption.
Owner:HU-NAN NEW FRONTIER SCI & TECH LTD

Marine sewage treatment device and sewage treatment system

The invention discloses a marine sewage treater and a sewage treatment system, and relates to the technical field of sewage treatment.The marine sewage treater comprises a tank body, the tank body is provided with a sewage inlet, a purified water outlet and an oil stain outlet, a center cylinder and a spiral flow guide pipe are arranged in the tank body, and the top end of the spiral flow guide pipe is communicated with the sewage inlet; the bottom end of the spiral flow guide pipe is communicated with the central cylinder, a partition plate is fixedly arranged in the tank body, the spiral flow guide pipe and the central cylinder both penetrate through the partition plate, the partition plate is of a net surface structure, a filler layer is arranged in the tank body and located above the partition plate, and the purified water outlet is communicated with the space below the partition plate. And the oil stain outlet is formed in a position close to the top of the tank body. According to the device, oil stains and other suspended impurities in the flue gas washing water are efficiently and reliably cleaned, and it is guaranteed that the treated water quality meets the emission standard, so that the marine environment is protected.
Owner:HANSUN (SHANGHAI) MARINE TECH CO LTD +1

Composite polyaluminum ferric chloride water purifying agent as well as preparation method and application thereof

The invention provides a composite polyaluminum ferric chloride water purifying agent as well as a preparation method and application thereof, and belongs to the technical field of waste resource recycling and municipal sewage treatment. The industrial hazardous waste aluminum ash is subjected to innocent treatment and then reacts with the pickling steel waste liquid of the steel mill, and the polyaluminum ferric chloride meeting the industrial standard is prepared. The polyaluminum ferric chloride and a cationic adsorbent are compounded according to a specific proportion to obtain the composite polyaluminum ferric chloride water purifying agent. According to the method provided by the invention, the resource recycling of hazardous wastes is realized, and the composite polyaluminum ferric chloride water purifying agent obtained by the method is used for treating municipal sewage, so that the treated water quality can reach the first-grade discharge standard A.
Owner:WUHAN SPACEFLIGHT SCI & TECH PETROCHEM CO LTD

Intelligent conditioning and purifying device for bio-fertilizer production wastewater

The invention relates to the field of wastewater treatment, and discloses an intelligent conditioning and purifying device for bio-fertilizer production wastewater, the intelligent conditioning and purifying device comprises a treatment tank body, the upper end of the treatment tank body is provided with a medicament adding port, the upper end of the inner side of the treatment tank body is provided with a pre-filtering plate, and the lower end of the inner side of the treatment tank body is provided with a top filtering plate; bottom filter plates are vertically and movably arranged below the top filter plates, and gaps between the top filter plates are used for being filled with activated carbon particles; a stirring part is arranged at the upper end of the pre-filtering plate. According to the intelligent conditioning and purifying device for the bio-fertilizer production wastewater, medicament adding treatment, pre-filtering treatment and activated carbon purification treatment are integrated on one device, and meanwhile, a gap between a top filter plate and a bottom filter plate can be increased during activated carbon particle adsorption treatment, and activated carbon particles can be dispersed; the use effect of the activated carbon particles is improved, and the activated carbon particles are blown by water treated at the bottom, so that circular wastewater treatment is realized, and the wastewater treatment effect is improved.
Owner:JIANGSU LIANYUNGANG HUIFENG BIOFERTILIZER CO LTD

Water treatment device

Provided is a water treatment device (1) for producing treated water by removing metal ions from water to be treated, the water treatment device comprising: an electrolytic cell (10) that includes an anode chamber (15) having an anode (12), a cathode chamber (16) having a cathode (13), and a membrane (14) that partitions the anode chamber and the cathode chamber and is capable of ion permeation, the electrolytic cell (10) producing acidic water and alkaline water from the water to be treated by electrolysis; a first conductivity measurement unit (70) that measures the conductivity of water circulated through the anode chamber; a second conductivity measurement unit (80) that measures the conductivity of water circulated through the cathode chamber; and a control unit (100) that controls the voltage or current between the anode and the cathode. The acidic water circulates through the anode chamber, and the alkaline water circulates through the cathode chamber. The control unit changes the voltage or current applied between the anode and the cathode on the basis of the conductivity of the water measured by the first conductivity measurement unit and the conductivity of the water measured by the second conductivity measurement unit.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Integrated water treatment process for inducing hardness removal through crystal nucleus granulation

The invention relates to the technical field of water treatment, and particularly discloses a crystal nucleus granulation induced hardness removal integrated water treatment process which comprises the following steps: firstly, ultrasonically dispersing nano-hydroxyapatite in deionized water, adding gamma-glycidoxypropyltrimethoxysilane for reaction, and treating to obtain a silanized hydroxyapatite crystal nucleus; the sodium polyacrylate reacts with aluminum sulfate and the like in an ethylene glycol solution to prepare the composite inducer. The preparation method comprises the following steps: reacting the two components in a phosphate buffer solution in proportion to obtain inducer-loaded crystal nucleus particles, carrying out multi-step reaction and treatment on the inducer-loaded crystal nucleus particles with calcium chloride and the like to obtain surface-coated crystal nucleus granulation bodies, and mixing the surface-coated crystal nucleus granulation bodies with cationic polyacrylamide and nano-zinc oxide to prepare the reinforced hardness removal agent. When to-be-treated water is treated, the reinforced hardness removal agent is added, stirring and precipitation are performed, supernate sequentially passes through the activated carbon filter column to adsorb impurities and is sterilized by the ultraviolet disinfection device, and finally effluent is collected, so that the hardness in the water can be efficiently removed, the process integration level is high, and the effect is good.
Owner:JIANGSU XUJI ENVIRONMENTAL TECHNOLOGY CO LTD

Method for producing plant component-containing ceramic-treated water, water treatment apparatus

An object of the present invention is to provide a novel plant component-containing ceramic containing a plant component, a method for producing a novel plant component-containing ceramic-treated water obtained by contacting with the novel plant component-containing ceramic, and a water treatment apparatus for producing the treated water. 【Solution means】 To solve the above problems, a preparation step of preparing a plant component-containing ceramic obtained by sintering a mixture of a plant component and a ceramic raw material, and a contact step of bringing the water to be treated into contact with the plant component-containing ceramic are provided. A method for producing a plant component-containing ceramic-treated water is provided, which is characterized by comprising the above steps.
Owner:BIOENERGY RESEARCH INSTITUTE LTD

Ozone disinfection equipment for removing peculiar smell of aquatic products

The invention relates to the technical field of ozone disinfection of aquatic products, and discloses ozone disinfection equipment for removing peculiar smell of aquatic products, which comprises an ozone generation assembly for generating ozone and conveying the ozone to a water treatment tank through a conveying pipe; the aquatic product treatment assembly is used for carrying out sterilization and deodorization treatment on the aquatic products by using ozone water; the auxiliary dissolving assembly is used for optimizing the dissolving efficiency of ozone and ensuring the formation of high-concentration ozone water; the water cooling assembly is used for filtering, cooling and recycling the treated water; the tail gas eliminating assembly is used for decomposing undissolved ozone and ensuring safe and environment-friendly emission; and the two buckle assemblies are used for conveniently disassembling and assembling the two activated carbon boxes. A mechanical reciprocating motion structure is adopted by the auxiliary dissolving assembly, so that the dissolving efficiency of ozone is optimized, high-concentration ozone water is formed, and the sterilization and deodorization effects are enhanced. The dynamic mixing mode greatly increases the gas-liquid contact area, and avoids the defect of low ozone utilization rate.
Owner:MARINE FISHERIES RES INST OF ZHEJIANG

Method for producing raw material liquid for lithium compound, lithium-containing water, method for producing lithium hydroxide powder, and method for producing lithium carbonate powder

To provide a method for yielding a lithium-containing liquid suitable as a raw material for producing lithium compounds of high purity, from to-be-treated water containing lithium ions, sodium ions, metal ions other than lithium ions and sodium ions, fluoride ions, and anions serving as conjugate bases of acids, and to provide related techniques thereof.SOLUTION: Provided is a method for producing a raw material liquid for a lithium compound, comprising: step 1 of adding a sulfiding agent and a calcium compound to the to-be-treated water, subjecting the to-be-treated water containing the formed solid matter to solid-liquid separation to obtain a treated liquid A; step 2 of adding an oxalate ion source to the treated liquid A, subjecting the treated liquid A containing the formed solid matter to solid-liquid separation to obtain a treated liquid B; and step 3 of subjecting the treated liquid B to bipolar electrodialysis to obtain an alkaline liquid containing lithium ions and sodium ions as a raw material liquid for producing a lithium compound.SELECTED DRAWING: None
Owner:DOWA TECH

Device and method for recovering rare earth in lutetium yttrium silicate crystal

The invention discloses a device and method for recovering rare earth in yttrium lutetium silicate crystals, and relates to the technical field of yttrium lutetium rare earth recovery, the device comprises a rear vertical plate, a top plate, a middle plate and a workbench, the top of the top plate is rotatably connected with a first centrifugal cylinder, and the top of the middle plate is rotatably connected with a second centrifugal cylinder; and a switch valve is additionally arranged at the top of the first centrifugal cylinder. One of the core structures is the recycling barrel, the multifunctional composite assembly is arranged in the recycling barrel, and when the filter screen disc in the recycling barrel needs to be cleaned, the multifunctional composite assembly can automatically dredge blocked meshes of the filter screen disc through the weight when the recycling barrel is turned over; meanwhile, the multifunctional composite assembly can make the recycling barrel stop entering a to-be-treated water phase; when the recovery cylinder is turned over, the assembly can automatically dredge the blocked meshes of the filter screen disc by utilizing the self weight, so that the manual maintenance cost is reduced, and the self-cleaning capability of the equipment is improved.
Owner:JIANGSU GUOSHENG RARE EARTH CO LTD

Sewage treatment process design method, sewage treatment system and control method

The invention provides a sewage treatment process design method, a sewage treatment system and a control method.The sewage treatment process design method is used for calculating the use number of sludge screeners in a sewage treatment process and comprises the steps that the current organic matter proportion and the current treated water amount of sludge of a sewage treatment main route are obtained; determining a performance improvement target based on the current organic matter proportion and the current water treatment amount; and calculating the use number of the sludge screener based on the calculation step corresponding to the performance improvement target. According to the sewage treatment process design method, the sewage treatment system and the control method, a reasonable and effective calculation method is provided for the use number of the sludge screener in the sewage treatment process, the determined use number can meet the actual requirement of a sewage treatment main route, and the cost input can be effectively controlled.
Owner:HANGZHOU BEISHUI FUTURE TECHNOLOGY CO LTD

Ammonia treatment system, floating body

An ammonia treatment system according to the present invention comprises: an absorption tower that has a casing, a gas introduction part that introduces an ammonia gas that includes ammonia into the casing, a water sprinkling part that sprinkles water from an upper part of the inside of the casing and thereby absorbs the ammonia and generates ammonia water, and a water discharging part that discharges the ammonia water from a lower part of the casing; an ammonia component removal part that is provided outside the absorption tower and removes the ammonia component of the ammonia water to generate treated water; an ammonia water introduction line that introduces the ammonia water discharged from the water discharging part to the ammonia component removal part; and a first treated water supply line that supplies the treated water generated by the ammonia component removal part to the water sprinkling part.
Owner:MITSUBISHI SHIPBUILDING CO LTD

Flue gas desulfurization and denitrification device

ActiveCN222969542UDispersed particle separationWater detectorWater storage tank
The utility model discloses a flue gas desulfurization and denitrification device and relates to the field of flue gas treatment. According to the flue gas desulfurization and denitrification device disclosed by the utility model, the divided-flow type water storage tank convenient to clean comprises the supporting base, the water storage tank I, the water storage tank II, the three-way connecting pipe, the cleaning water detector, the divided-flow tank, the conical guide plate and the electromagnetic flow divider valve, so that the treated water can be replaced under the condition that the equipment is not stopped when the flue gas desulfurization and denitrification device is used; the self-separation flue gas inlet box comprises a flue gas separation shell, a gas inlet pipe, a supporting frame, a flue gas dispersion column, a flue gas connecting pipe and a conical drainage cover, so that the uniformity of flue gas release can be ensured during use, and the flue gas can be in repeated contact with the treated water; meanwhile, treated water can be prevented from entering the smoke pipe during use, and the device is simple in structure and convenient to operate and brings better use prospects.
Owner:SHANDONG XUYANG ENVIRONMENTAL ENG CO LTD

High-turbidity wastewater treatment system and method

The invention discloses a high-turbidity wastewater treatment system and method.The treatment system comprises a water inlet pipe, a control system, a mud storage tank, a stacked screw machine, a flocculation treatment assembly and a settling pond, the water inlet pipe is connected with the settling pond through the flocculation treatment assembly, and the settling pond is connected with the inlet end of the mud storage tank through a mud pipeline; the outlet end of the mud storage tank is connected with the stacked screw machine through a mud pipeline, the stacked screw machine is connected with the sedimentation tank through a water return pipe, the mud scraper is arranged on the sedimentation tank, and the control system is electrically connected with the mud scraper, the mud storage tank, the stacked screw machine and the flocculation treatment assembly. According to the invention, automatic treatment of high-turbidity raw water is realized, automatic dehydration of sludge and circular treatment of wastewater are realized, the work of manually cleaning sludge in a traditional simple three-grid sedimentation tank is avoided, the technical problems of large workload and unstable treated water outlet are avoided, and the environment and cleanliness of a construction site are greatly improved.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD +1

Washing and protecting machine

The invention relates to a washing and caring machine in the technical field of bathing and caring, the washing and caring machine comprises a washing and caring device and a water treatment system, the washing and caring device comprises a cabin body and a spraying piece, and the spraying piece is arranged in the cabin body; the water treatment system is used for treating water to enable parameters of the water to meet preset conditions and conveying the treated water to the spraying part; when the spraying piece outputs water into the cabin body, a washing and protecting effect can be achieved; wherein the parameters of the water comprise at least one of temperature and cleanliness, and the communication relation among the water treatment system, the cabin body and the spraying piece is designed, so that the washing and protecting machine can achieve highly-automatic bathing operation from water inlet to water outlet, and a user can start bathing only by entering the cabin body; the user does not need to carry out tedious and complex pre-bath preparation work, and does not need to carry out large-amplitude carrying, lifting, moving and other operations on the user, so that the injury risk of the user in the moving process is greatly reduced, and the user experience is improved.
Owner:SHANGHAI ZHIJING TECHNOLOGY CO LTD

Resin evaluation device for precision treatment of condensed water in nuclear power plant

The invention provides a resin evaluation device for fine treatment of condensed water in a nuclear power plant, which is applied to the technical field of detection, and is characterized in that a front cation bed is provided with a mixed water input end, a first pretreated water output end and a first resin conveying port, and the mixed water input end is connected with the mixed water output end of a water distribution system through a first pipeline; cation exchange resin is filled in the front cation bed; the high-speed mixed bed is provided with a pretreated water input end, a second pretreated water output end and a second resin conveying port, and is filled with anion and cation mixed ion exchange resin; the regeneration system comprises a first regeneration unit and a second regeneration unit; a first monitoring unit and a second monitoring unit are respectively arranged at the first pipeline and the second pretreated water output end; switch valves are respectively arranged at the first pipeline, the second pipeline, the second pretreated water output end, the first resin conveying pipeline and the second resin conveying pipeline; the control unit is electrically connected with the first monitoring unit, the second monitoring unit and the switch valve.
Owner:GUODIAN NUCLEAR SAFETY TECH (CHONGQING) CO LTD

Zero-discharge treatment method for desulfurization wastewater of thermal power plant

The invention discloses a thermal power plant desulfurization wastewater zero discharge treatment method, which comprises: S1, carrying out triple-effect flash evaporation concentration treatment on desulfurization wastewater so as to reduce the amount, and storing the concentrated liquid after concentration in a concentrated liquid box; and S2, treating the concentrated liquid obtained in the step S1 by adopting a triple box process, enabling the treated water to enter a clarification tank for gravity settling, enabling clear water at the upper part to overflow to a wastewater collection box, and discharging sludge generated at the bottom to a gypsum dehydration belt through a sludge discharge pump. According to the invention, twice reduction of desulfurization wastewater is realized through triple-effect flash evaporation concentration and a triple-box process, so that the amount of desulfurization wastewater needing to be treated by a flue gas bypass system is reduced, the problems of pipeline pollution and blockage and frequent fault of an atomizer in the treatment process are reduced, and the reduced wastewater can be stored in a wastewater collection box during deep adjustment of a unit, so that the treatment efficiency of the unit is improved. Zero discharge of the desulfurization wastewater is realized, chloride ions in the slurry of the desulfurization absorption tower are controllable after zero discharge of the desulfurization wastewater, and the risks of slurry poisoning and gypsum diarrhoea of the absorption tower are reduced.
Owner:JINGNENG SHIYAN THERMAL POWER CO LTD

Apparatus and method for controlling output for chemical dosing optimization for water treatment plant

An apparatus for controlling output in a water treatment plant treating water includes: a chemical dosing management part configured to analyze real-time data to determine a control mode of chemical dosing optimization, and provide the determined control mode as a management command; a chemical dosing optimization part configured to analyze the real-time data to derive a control value such that the control value is to set a minimum of a chemical dosage to be dose in the water while a state of treated water of the water treatment plant is maintained in a normal range; and a chemical dosing output control part configured to provide the control value to a water treatment control device for controlling the water treatment plant, according to the control mode of the management command.
Owner:DOOSAN ENERBILITY CO LTD

A sunlight factory recirculating aquaculture system and method

The present invention provides a sunlight factory recirculating aquaculture system and method, belonging to the technical field of aquaculture. The sunlight factory recirculating aquaculture system includes a fish pond and a fiber rotary disk filtration system; the fiber rotary disk filtration system can remove large-particle-size particulate matters in the culture water and regularly harvest microalgae, and the treated water quality meets the fishery culture standard, and 97% of the culture water can be directly recycled. In the present invention, during the in-situ cultivation of microalgae and fish, the microalgae can convert nutrients such as CO2 exhaled by the fish and nitrogen and phosphorus in the culture water body into substances of the microalgae cells themselves, such as proteins, polysaccharides, vitamins, and lipids, and release oxygen, rapidly improving the culture water quality; the in-situ cultivation of microalgae and fish gives play to the advantage of the high photosynthetic efficiency of the microalgae, and the rapidly growing microalgae provides a suitable growth environment for the fish. The sunlight factory recirculating aquaculture system and method of the present invention can achieve high-density, high-stability, and low-energy-consumption recirculating aquaculture.
Owner:QINGHAI PHOTON ECOLOGICAL CO LTD

Water quality detection device for sewage treatment

The invention relates to the technical field of water quality detection, in particular to a water quality detection device for sewage treatment, and effectively solves the problems that a detection pipe cannot extract treated water at different depths and cannot recover the treated water for protection, and no sample is reserved for reinspection after detection. Comprising a detection box, a lifting assembly is arranged on the right side in the detection box, a detection pipe is arranged on the right side of the lifting assembly, and the lifting assembly can drive the detection pipe to extend out of the detection box and descend; by arranging the lifting assembly, the detection pipe and the driving assembly, the detection pipe can be driven by the driving assembly through the lifting assembly to extend out of the detection box and descend at the same time, on the contrary, the detection pipe can be withdrawn after use, and it is avoided that the detection pipe is located in treated water for a long time and easily rusted, and meanwhile a large number of particles are attached to the surface; meanwhile, the driving assembly can switch the driving direction to drive the detection pipe to stretch out and draw back, and the purpose of extracting treatment water of different water layers for detection is achieved.
Owner:山西工程科技职业大学

Agricultural water pollution treatment device based on microorganisms

The present utility model relates to the technical field of wastewater treatment. Provided is an agricultural water pollution treatment device based on microorganisms. The utility model comprises a treatment box, wherein a precipitation tank is slidably connected to the interior of the treatment box; a separation mechanism is provided outside the treatment box, and the separation mechanism comprises a mounting housing; a separation sieve cylinder is rotationally connected to the interior of the mounting housing; and a connecting rod is fixedly connected to an end of the separation sieve cylinder, and the connecting rod penetrates the mounting housing and is rotationally connected to the mounting housing. In the present utility model, by means of the provision of components such as the precipitation tank, the separation sieve cylinder, a collection box and a scraping plate and by means of the transmission fit relationship between the separation sieve cylinder and a conveying rotating rod, the separation mechanism is enabled to perform solid-liquid separation on a treated water body, such that secondary pollution to the treated water body caused by long-term contact of same with a degradation substance is avoided, thereby effectively improving the purification treatment effect of the device on agricultural water pollution, and reducing the waste of water resources.
Owner:ANQING NORMAL UNIV

Multi-stage multi-medium wastewater treatment filtering device and method

The invention relates to a multistage multi-medium wastewater treatment filtering device and method, and relates to the technical field of wastewater treatment. Comprising a standing processing tank, a plurality of groups of filtering tanks for performing hierarchical treatment on wastewater are arranged in the processing tank in the circumferential direction, each filtering tank is composed of a fixed tank body, a movable tank body and a tank cover, a control rod is mounted in the middle of each filtering tank, and a plurality of groups of filtering frames for filtering wastewater are arranged on each control rod at equal intervals; different types of filter media are filled in the filter frame; the bottom of the filtering tank is provided with a control piece for controlling the filtering tank to shake to improve the filtering efficiency, and the inner side of the filtering tank is provided with a cleaning piece for cleaning hardened garbage. According to the invention, a multi-stage multi-medium filtering mode is adopted, the four groups of filtering tanks are used for treating the wastewater in sequence, and the filtering frames in each group of filtering tanks are filled with different types of filtering media, so that different pollutants in the wastewater can be effectively removed, and the filtering efficiency and the treated water quality are greatly improved.
Owner:STATE POWER INVESTMENT GRP JINGMEN LVDONG ENERGY CO LTD +1

High-salinity oil-containing wastewater treatment system and method by coupling photovoltaic-assisted electric flocculation with solar interface evaporation

The invention relates to a system and a method for treating high-salinity oily wastewater by coupling photovoltaic-assisted electric flocculation with solar interface evaporation. The system consists of a photovoltaic power generation assembly, an electric flocculation assembly and a solar interface evaporation assembly, the photovoltaic power generation assembly is used for converting solar energy into electric energy and storing the electric energy in the storage battery; the electric flocculation component is used for carrying out flocculation and air floatation treatment on the high-salinity oily wastewater through an electric flocculation process by utilizing the stored electric energy so as to remove organic matters and part of salt in the wastewater; the solar interface evaporator utilizes solar energy to evaporate water in the wastewater, and meanwhile, salt in the wastewater is greatly reduced, and organic matters are further removed. According to the method, clean energy is provided through photovoltaic power generation, and the high-salinity oily wastewater is effectively treated by combining an electric flocculation technology and an interface evaporation technology. The treated water quality can reach the drinking water standard of the World Health Organization, and the method has the advantages of low operation cost, high treatment efficiency, small environmental influence and the like, and has important application value and wide market prospect in treatment of high-salinity oil-containing wastewater and other difficult-to-treat wastewater.
Owner:XINJIANG TECH INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

Circulating water and blow-down water recycling treatment system

The invention discloses a circulating water blow-off water reuse treatment system, and relates to the field of circulating cooling water treatment, the system comprises: an induced crystallization unit, which is used for carrying out primary treatment on circulating water blow-off water through an induced crystallization fluidized bed reactor to remove hardness ions in water; the ceramic membrane filtering unit is used for carrying out secondary treatment on the primarily treated water by utilizing a ceramic membrane device and removing residual hardness ions, organic matters and suspended matters in the water; and the nanofiltration membrane unit is used for performing tertiary treatment on the water by utilizing a nanofiltration membrane according to the secondary treatment result to remove salt and organic matters in the water. According to the method, induced crystallization, ceramic membrane and nanofiltration membrane technologies are combined to cooperatively treat the circulating water and the blow-down water, so that the operation mode of simplifying the process, reducing the energy consumption and prolonging the backwashing period is realized, the dosage of chemicals and the generation of sludge are reduced, and the water recovery rate is also improved, so that the hardness is removed, and the calcium resource recovery is realized.
Owner:BEIJING JIAOTONG UNIV

Water affair system of gas turbine power plant

The utility model relates to the technical field of water treatment, and discloses a water system of a gas turbine power plant, which comprises a raw water tank, a raw water pretreatment system, a first water tank, an ultrafiltration system, a second water tank, a primary reverse osmosis system, a secondary reverse osmosis system and a fresh water tank, the output end of the primary reverse osmosis system is connected with a concentrated water reverse osmosis system, and the output end of the concentrated water reverse osmosis system is respectively connected with an evaporation pond and a fresh water tank; the output end of the secondary reverse osmosis system is connected with a second water tank; the raw water pretreatment system, the ultrafiltration system, the first-stage reverse osmosis system and the second-stage reverse osmosis system are used for treating wastewater step by step, the first water tank, the second water tank and the fresh water tank are respectively used for storing different treated water, and the evaporation pond is used for storing tail-end wastewater; the tail end wastewater is naturally evaporated in the evaporation pond, remaining solid salt crystals are treated, the wastewater amount is reduced through the evaporation pond and the multiple filtering devices, the wastewater is treated through natural evaporation of the evaporation pond, and discharge of the wastewater is avoided.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Integrated household sewage treatment device

The invention discloses an integrated household sewage treatment device, and relates to the technical field of sewage treatment, a tank body is internally provided with a pretreatment tank, an adjusting tank and a biological filter, the tank body is connected with a water inlet pipe at a position corresponding to the pretreatment tank, the water inlet pipe is used for introducing to-be-treated sewage into the pretreatment tank, the upper end of the pretreatment tank is communicated with the adjusting tank, and the lower end of the pretreatment tank is communicated with the biological filter; the pretreatment tank can discharge pretreated sewage into the adjusting tank, a water distribution element is arranged in the adjusting tank and can distribute the sewage entering the adjusting tank, a filter material element is arranged in the biological filter, and the upper end and the lower end of the biological filter can be communicated with the adjusting tank. The filter material element can be used for treating sewage in the biological filter tank, the treated water in the biological filter tank can enter the regulating tank, a water outlet pipe for discharging the treated sewage is arranged on the corresponding side wall of the tank body, and the water outlet pipe is arranged close to the upper end of the regulating tank. The sewage treatment device is simple in structure, convenient to operate and good in sewage treatment effect.
Owner:SHANGCHUAN (BEIJING) WATER CO LTD

Method for removal of contaminants from water and resource recovery through use of colloidal gas aphrons

PCT designated stage expiredWO2025090734A1Water treatment compoundsSpecific water treatment objectivesColloidal Gas AphronsResource recovery
A method for creating colloidal gas aphrons (CGAs) and using the CGAs to remove contaminants from a contaminated water comprises feeding the contaminated water into a reactor; optionally adding at least one surface active substances to the reactor; fluidly connecting the reactor to a microbubble generation device that generates microbubbles therein; circulating the water from the reactor to the microbubble generation device and back to the reactor; creating the CGAs in the microbubble generation device and forwarding the CGA containing water to the reactor, wherein the CGAs adsorb the contaminates in the water and carries the contaminates to the surface of the water forming a layer of microfoam thereon; removing the layer of the microfoam; and extracting a treated water.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE +1

Water body ecological restoration method for pollution cleaning

The invention discloses a water body ecological restoration method for pollution cleaning, which comprises the following steps: S1, firstly, fishing and collecting pollutants on the surface of a water body by using a restoration device; s2, water in the water body is pumped through a remediation device to be purified and cleaned; s3, aerating the bottom of the water body by using an aeration pipe of the remediation device to increase the dissolved oxygen amount; s4, planting submerged plants, emergent aquatic plants and floating plants in the water body; s5, after the aquatic plants are planted for one month, aquatic animals are put into the water body. According to the water body ecological restoration method for pollution cleaning, water body pollutants are fished and cleaned through the restoration device, water can be purified through the treatment box, the treated water is returned to the water body environment, the water environment is improved step by step, the dissolved oxygen amount at the bottom of the water body can be increased through the movable aeration mechanism, restoration of the water body ecology is facilitated, and the water body ecological restoration effect is improved. Corresponding plants for restoring ecology are planted, and aquatic animals are put, so that the dynamic balance of an ecological system of the water body is improved.
Owner:广东生太修复科技有限公司