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57results about How to "To achieve the purpose of purifying water" patented technology
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Method and device for purifying combined-flow artificial floating island water body
ActiveCN101734783AConstituent flow rate is highLarge specific surface areaSustainable biological treatmentBiological water/sewage treatmentEutrophicationPorous medium
The invention relates to a method and a device for purifying combined-flow artificial floating island water bodies. The device is provided with an artificial floating island frame; particle filling areas (6) are arranged in the artificial floating island frame; tightly accumulated particle fillers (6a) are filled in the particle filling areas; the particle filling areas are distributed at the lower part of the artificial floating island frame in a dispersed manner; sparse fillers (7a) with good overflowing property are arranged between the dispersed particle filling areas (6c) to form a sparse filling area (7) in which the flow is obviously higher than the osmosis flow in the particle filling areas; the particle filling areas are distributed at the upper part of the artificial floating island frame in a whole area or in sub-area to form an upper layer particle filling area on which humidogene emergent aquatic plants can be planted. In the invention, different filling areas are arranged to form combined flow of coexistence of porous media seepage and space continuity flow, thus fully purifying water bodies under the actions of physics, chemistry, plants and microorganisms and the like, and achieving the high effects of nitrogen and phosphorus removal by adopting the invention to process eutrophic surface water bodies, such as rivers and lakes and the like.
Owner:GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS +1
Preparation method of high-performance bone black
InactiveCN103121681ALarge specific surface areaStrong adsorption and purification abilityCarbon compoundsFurnace temperatureAqueous solution
The invention discloses a preparation method of high-performance bone black. The preparation method comprises the following steps of: firstly, crushing animal bone which is subjected to de-fatting and degumming into grains of 1-5mm; secondly, feeding the granular animal bone into a carbonizing and activating furnace, raising the furnace temperature to be at 500-550 DEG C in velocity of 5-10 DEG C / min; subsequently adding a composite activating agent; continuously raising the temperature to be at 650-750 DEG C and keeping the constant temperature for 1-3hours; rapidly cooling the furnace temperature to be at 150-180 DEG C and stopping feeding the composite activating agent, and discharging when the furnace temperature is reduced to be at 100 DEG C; adding the carbonized and activated bone black into an alkali water solution, and introducing steam to boil and wash for 5-10 times; putting the boiled and washed bone black into a carbon dioxide water solution to be washed for 5-10 times so as to adjust the pH value to be at 7.0-8.0; and fishing out the bone black after being washed, drying in air or drying in an oven so as to obtain a finished product, namely, the high-performance bone black. The preparation method has the characteristics of simple process and low cost, and the prepared bone black is strong in adsorption and purification capability.
Owner:BEIJING ZHONGSHIHONG INSTALLATION ENG
Method for purifying polluted river water on original position by floating bed plants and biologic membrane composite technique
InactiveCN1654361AExtended service lifeEfficient retentionSustainable biological treatmentBiological water/sewage treatmentPolyolefinAtmospheric air
The present invention is method of in-situ purifying pollutant river water with combined floating bed plant and biomembrane technology. The float bed has float bed plant in the upper part, stuffing of polyolefin and polyamide suspended in water, and hollowed water-air exchange area in the middle part favorable to natural oxygen restoring of water. The bionic stuffing can intercept great amount of suspended matter in water and has biomembrane to eliminate organic matter, nitride and phosphate from water. The optimal float bed plant can remove nutritious pollutant from water. The present invention can stereo purify pollutant water and the float bed of timber and other natural material has long service life and facilitate plant replacement.
Owner:HOHAI UNIV
Ecological filler and ecological floating island apparatus based on ecological filler
InactiveCN109721166AGood removal effectPromote growthBiological water/sewage treatmentReclaimed waterSewage
The invention relates to the field of water conservancy, environment and ecological restoration engineering, particularly to an ecological filler and an ecological floating island apparatus based on the ecological filler. The ecological filler comprises a mixed matrix, which mainly comprises composite particles, a rice straw filler and a composite bacterial agent. The ecological floating island apparatus comprises a floating island frame and fixing piles, wherein the upper surface of the floating island frame is covered with a photovoltaic power generation film with a storage battery block, the floating island frame is provided with first planting baskets, second planting baskets and a growth liquid box, the growth liquid box is arranged at the center of the floating island frame, the upper surface of a floating box is provided with an aeration device, the bottom portion of the floating box is provided with ecological filler baskets filled with an ecological filler, snails and mussels,the storage battery block of the photovoltaic power generation film is electrically connected to the aeration device, and the floating island frame is slidably connected to the fixing piles through hinges. According to the present invention, the apparatus has good water purification effect, and can improve and stabilize the sewage reclaimed water environment.
Owner:广东紫方环保技术有限公司
Plant yeast additive and preparation method thereof
InactiveCN104152366AInhibition of growth and reproductionReduced sludge productionFungiBacteriaHorticultureFermentation broth
The invention discloses a plant yeast additive and a preparation method thereof and relates to the technical field of feed additives. The components of the plant yeast additive comprise the following raw materials in percentage by weight: 2-2.5% of dry carambola leaves, 3-3.5% of dry sugarcane leaves, 3-3.5% of dry granadilla leaves, 2-2.5% of dry wild chrysanthemum flowers, 2-2.5% of brown sugar, 0.1-0.15% of dry yeast and the balance of water. The preparation method comprises the following steps: placing the dry carambola leaves, the dry sugarcane leaves, the dry granadilla leaves and the dry wild chrysanthemum flowers into boiling water and soaking for 2-3 hours; then, filtering residues and impurities of the carambola leaves, the sugarcane leaves, the granadilla leaves and the chrysanthemum flowers; and after standing the filtrate, adding the dry yeast and the brown sugar and fermenting for at least 30 days to form sourness to obtain the plant yeast additive. According to the preparation method disclosed by the invention, a fermentation solution obtained after the soak solutions of the four plants are fermented is used as the plant yeast additive, so that not only can the treating effect be improved, but also the sludge domestication time can also be shortened.
Owner:LIUZHOU JINCHEN TECH
Ecological restoration method for black and odorous river channel
PendingCN113264633AStrong maneuverabilityThorough governanceWater resource protectionWater treatment parameter controlTreatments waterEcosystem
The invention provides an ecological restoration method for a black and odorous river channel, and belongs to the technical field of sewage treatment. According to the method, ecological restoration is carried out on the black and odorous river channel from five aspects of source control and sewage interception, bottom mud treatment, water body purification, ecological restoration and maintenance management, and the method is high in operability, thorough in treatment and high in treatment efficiency; through reconstruction of a riverway ecological system, the self-cleaning capacity of the water body is gradually restored, the peculiar smell and chroma of the black and odorous water body are gradually eliminated, finally ecological balance of the water body is achieved, the water quality is improved, the water body ecological system can be healthily and stably developed for a long time, and good environment-friendly and ecological functions are achieved.
Owner:SCI RES ACADEMY OF GUANGXI ENVIRONMENTAL PROTECTION
Material for purication anion polluted water
InactiveCN1830822AEfficient removalStrong exchange abilityWater/sewage treatment by ion-exchangeWhite powderIon
A laminar material for cleaning the anion-polluted water by removing the anions (F ions, arsenous radicals, or arsenic radicals) is prepared through proportionally dissolving Mg (or Zn) source and Al source in water, dissolving alkali and anions in water, quickly mixing them, stirring for 48-144 hr, pump filtering, water washing and baking to obtain white powder.
Owner:JILIN UNIV
Permeable reactive barrier filler
InactiveCN105236785AImprove adsorption capacityAbundant resourcesSolid waste managementSlagContaminated groundwater
The invention relates to permeable reactive barrier filler, and belongs to the technical field of underground water pollution control. The filler is prepared from the following raw materials in percentage by weight: 30-40 percent of steel slag powder and 60-70 percent of limestone powder; and the steel slag powder and the limestone powder are mixed, granulated and dried to obtain the filler. The limestone and steel slag serving as raw materials of the filler have rich resources and low prices, and the preparation process is simple and has relatively low cost. The filler in a barrier can be used for purifying pollutants in water when the polluted underground water passes through the permeable reactive barrier, and various metal ions in the water can be effectively adsorbed.
Owner:北京至清时光环保工程技术有限公司
Denitrification and algae-removing micro-biological bacterium agent and preparation method thereof
InactiveCN108220186AGood removal effectIncrease the number of live bacteriaBacteriaWater contaminantsEutrophicationWater source
The invention provides a denitrification and algae-removing micro-biological bacterium agent and a preparation method thereof. The denitrification and algae-removing micro-biological bacterium agent provided by the invention is prepared from nitrifying bacteria, nitrite bacteria, denitrifying bacteria, algicidal bacteria and photosynthetic bacteria; the content of the total viable count is not lower than 1.0*10<10>cfu / g. The content of the nitrifying bacteria and the nitrite bacteria accounts for 20 to 30 percent of the total viable count; the content of the denitrifying bacteria accounts for20 to 30 percent of the total viable count; the content of the algicidal bacteria accounts for 30 to 50 percent of the total viable count; the content of the photosynthetic bacteria accounts for 5 to10 percent of the total viable count. The denitrification and algae-removing micro-biological bacterium agent is prepared by mixing various microorganisms according to different ratios and has high viable count; the denitrification and algae-removing micro-biological bacterium agent can be used for biological remediation of a lake and reservoir water body and purification of a eutrophic culture water body and is especially suitable for treating water of a high-algae and high-ammonia-nitrogen micro-polluted water source; the removing effect on pollutants is remarkably better than the removing effect of a single strain; the denitrification and algae-removing micro-biological bacterium agent has the advantages of strong environmental adaptability, no secondary risks, high denitrification andalgae-removing efficiency and the like and belongs to an environment-friendly type micro-biological bacterium agent.
Owner:无锡市拜沃特环保科技有限公司 +1
Ag/AgBr/AgVO3 composite nanofiber filter membrane and preparation method and application thereof
ActiveCN112452165AReduce energy consumptionEfficient Photocatalytic AbilitySemi-permeable membranesWater/sewage treatment by irradiationPolymer scienceSpinning
The invention belongs to the field of polymer composite materials, and discloses a polyacrylonitrile / cellulose acetate-silver / silver bromide / silver metavanadate composite fiber membrane and a preparation method and application thereof. The fibrous membrane is prepared by the following method: a, preparing silver metavanadate, b, preparing a silver / silver bromide / silver metavanadate composite photocatalyst, and c, preparing a polyacrylonitrile / cellulose acetate-silver / silver bromide / silver metavanadate electrostatic spinning solution, and preparing the nanofiber membrane through an electrostatic spinning technology. The fiber membrane is used as a carrier of the photocatalyst to realize recycling of the photocatalyst, and is expected to be better applied in the future.
Owner:NANJING FORESTRY UNIV
Rural sewage water quality purification system and method
PendingCN109455877AImprove processing efficiencyGuaranteed uptimeWater contaminantsTreatment with aerobic and anaerobic processesNitrogen removalPurification methods
Discloses are rural sewage water quality purification system and method. The rural sewage water quality purification system comprises a first-stage sewage treatment unit and a second-stage sewage purification unit connected in sequence. The first-stage sewage treatment unit comprises a sewage collecting storage tank and an aerobic bio-membrane reaction tank; the sewage collecting storage tank is used for collecting sewage and performing anaerobic fermentation treatment, and the aerobic bio-membrane reaction tank is connected with the sewage collecting storage tank; a deflector is arranged in the aerobic bio-membrane reaction tank which is divided into an anaerobic zone and an aerobic zone through a perforated plate; an agitating pump is mounted in the anaerobic zone, an aerator coil / pipe is mounted in the aerobic zone, and a cyclic cross flow is formed in the aerobic bio-membrane reaction tank under action of the agitating pump and the aerator coil / pipe so as to remove COD and NH4+-N.The second-stage sewage purification unit comprises a wetland plant bed provided with a phosphorous-removal packing layer, a nitrogen-removal packing layer and a plant ecological layer inside, and achieves sewage purification under synergistic effect of physics, chemicals and biology. The invention further provides a purification method utilizing the rural sewage water quality purification system.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Method for purifying ultra-vast water and purifying device
InactiveCN101219835ADiffuse fullyAvoid breakingWater aerationSustainable biological treatmentEnvironmental engineeringAir compressor
The invention relates to a method for purifying a super great amount of water, which comprises the following steps: step I, the target water is selected; step II, the reference water depth(D1) is determined; when the actual depth of the target water is 10-50 meters, the reference water depth is the actual depth; when the target water depth is more than 50 meters, the reference water depth(D1) is 50 meters; step III, a purifying device, an air water-raising tunnel, is arranged in the target waters, and the tunnel body length (L1) of the air water-raising tunnel is 30 percent-50 percent of the reference water depth(D1) of the target water; the submerged depth of the tunnel mouth (D2) of the air water-raising tunnel is 40 percent-60 percent of the tunnel body length (D1); step IV, the air is input into a pressure chamber of the air water-raising tunnel and the air pressure(P1) of an air compressor is 150 percent-200 percent of water pressure in the pressure chamber. The invention can realize convection of an upper water layer and a lower water layer as well as realize the whole circulation, thus effectively facilitating dissolved oxygen quantity in the whole waters, damaging suspension state of algae and inhibiting the growth of the algae so as to purify the water.
Owner:朱元曾
Printing and dyeing wastewater treatment device and treatment method
PendingCN109020099AImprove purification abilityLow costWater contaminantsBiological treatment apparatusPollutantBiological repair
The invention discloses a printing and dyeing wastewater treatment device and treatment method, and belongs to the field of wastewater treatment. The printing and dyeing wastewater treatment device comprises an aquatic plant reactor and a soil plant reactor. The biological repair and purification functions of aquatic plants and seedling nursery plants on a water body are organically combined; themicroflora and metabolic function level in a system can be improved; the combined action of plants, plant rhizospheric microorganisms and filter materials is synthesized; the synergistic effects of plants, microorganisms and environment are fully exerted; in the operation process, denitrification flora and electrogenesis flora simultaneously exist; the dye and other contaminants in the printing and dyeing wastewater are synergistically degraded; on the basis, the indexes such as printing and dyeing wastewater chroma are reduced; the goal of purifying the water body is realized. The treatment device and the treatment method have the advantages that the structure is simple; the design is reasonable; the operation is easy; the purification effect is good.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
Ecological shelter type eutrophic water treatment method
InactiveCN105923779AGuaranteed uptimeTo achieve the purpose of purifying waterBiological water/sewage treatmentZooplanktonFood chain
The invention relates to an ecological shelter type eutrophic water treatment method. The ecological shelter type eutrophic water treatment method includes the steps of (1), investigating a water body ecological system and determining disadvantageous communities; (2), establishing a sheltering space in a water body, protecting or multiplying the disadvantageous biological communities in the sheltering space, and diffusing outwards after abundance is increased, wherein organisms coexisting with the biological communities in the sheltering space can be put in the sheltering space. The ecological shelter type eutrophic water treatment method can enable the whole food chain in the water body to work stably and efficiently, and surplus products in the water body can flow and be concentrated to large animal bodies according to the food chain of phytoplanktons, zooplanktons and large animals, so that the water body can be purified.
Owner:HUZHOU TEACHERS COLLEGE
Military water purifying cup for single soldier
InactiveCN1806887ATo achieve the purpose of purifying waterEasy to useTravelling sacksWater/sewage treatmentWater channelFiltration
The invention relates a water purification cup used for single soldier, comprising cup body and bowl cover. The cup body is made by water pump storehouse in which there is hand pump and filtration storehouse, the top of which there is composite filter element, the lower which there is three-way valve and the bottom of which there is over pin. In water pump storehouse there are water absorption tube, one-way valve and sand head. The intake port of hand pump is connected with water absorption tube; the water absorption tube is connected with one-way valve; the one-way valve is connected with sand head. The water outlet 1 at the lower filtration storehouse is connected with back outlet conduit of three-way valve and the water outlet 2 at the bottom of filtration storehouse is connected front outlet conduit of three-way valve. The cup is convenient to use and carry.
Owner:朱鲁曰
Treating agent of coking wastewater
InactiveCN102786126AReduce doseLow costWater/sewage treatment by flocculation/precipitationWater processingCoking wastewater
A treating agent of coking wastewater relates to a chemical agent of water processing, and aims to solve problems of relatively low total cyanogen removal rate of organic pollutants and relatively high cost of raw materials by using existing treating agents of coking wastewater to treat the wastewater. The agent is composed of polymeric ferric sulfate, aluminum sulfate, ferric chloride, and a water treating additive, and the polymeric ferric sulfate, the aluminum sulfate, the ferric chloride, and the water treating additive is in a weight part ratio of (28-32) : (62-68): (4-6): (0.4-0.6). The agent is used for purifying treatment of the coking wastewater.
Owner:HEILONGJIANG JIANLONG IRON & STEEL
Method for purifying polluted river water on original position by floating bed plants and biologic membrane composite technique
InactiveCN1313394CExtended service lifeEfficient retentionSustainable biological treatmentBiological water/sewage treatmentPolyolefinAtmospheric air
Owner:HOHAI UNIV
Method for treating algae-containing water bodies by utilizing mineral algae decomposition accelerator with compound microorganism in assistant manner
ActiveCN104609570AIncreased elimination and degradation ratesEasy to operateBiological water/sewage treatmentIonDecomposition
The invention discloses a method for treating algae-containing water bodies by utilizing a mineral algae decomposition accelerator with a compound microorganism in an assistant manner. The method comprises the step of adding the mineral algae decomposition accelerator into algae-containing water bodies while adding the compound microorganism, wherein the mineral algae decomposition accelerator is white mica which adsorbs Na, F and Mg ions; the dosage of the compound microorganism is 0.5-5 g / m<3>; the dosage of the mineral algae decomposition accelerator is 0.1-3 g / m<3>. The method is suitable for the natural or artificial water bodies such as algae-containing lakes, reservoirs and rivers, and can be used for greatly improving the elimination and degradation speeds of the algae and eliminating the influence of algae explosion on the water environment in a short time. The method is simple to operate, low in operation management expense and rapid in algae elimination effect; the mineral algae decomposition accelerator and the compound microorganism do not cause secondary pollution to the water bodies, so that the method belongs to an environment-friendly technology.
Owner:王迎春
Method and device for purifying combined-flow artificial floating island water body
ActiveCN101734783BAvoid the hassle of replantingThermal insulationSustainable biological treatmentBiological water/sewage treatmentPorous mediumNitrogen
Owner:GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS +1
Method and breeding sewage treatment system for treating breeding sewage through pulverized fuel ash
PendingCN110407349AReduce processing costsReduce COD valueBio-organic fraction processingWater/sewage treatment by irradiationFecesWater quality
The invention discloses a method and breeding sewage treatment system for treating breeding sewage through pulverized fuel ash. The breeding sewage treatment system for treating the breeding sewage through the pulverized fuel ash comprises a feces collection pond, a solid-liquid separation device, a slurrying tank, an adsorption treatment device, a sterilization device and a sludge collection pond. The adsorption treatment device comprises a first treatment tank, a second treatment tank, a third treatment tank, a fourth treatment tank and a fifth treatment tank which are connected in sequence.The breeding sewage enters the adsorption treatment device to be subjected to adsorption treatment with pulverized fuel ash slurry, pores inside the pulverized fuel ash are rich, the specific area islarge, the capability of adsorbing and flocculating pollutants is high, decoloration and deodorization can be effectively achieved, and organic matter, heavy metal ions, bacteria and other microorganisms, suspending colloid impurities and the like in water are removed; water is purified, secondary utilization of solid waste is achieved, the sewage treatment cost is lowered, after the breeding sewage is subjected to five stages of adsorption treatment, the COD value and chromaticity in the sewage can be effectively lowered, the effluent can be recycled, and the use quantity of water resourcesis reduced.
Owner:北京誉铧生物科技有限公司
Hollow fiber gravity-driven membrane reactor for treating algae-containing water and use method thereof
InactiveCN107381794AEnsure normal growth and reproductionPromote formationBiological treatment apparatusSustainable biological treatmentWater storage tankBottle
The invention discloses a hollow fiber gravity-driven membrane reactor for treating algae-containing water and a use method thereof and relates to a membrane reactor and a use method thereof. The hollow fiber gravity-driven membrane reactor solves the problem that the existing gravity-driven membrane reactor has a large covering area and a high infrastructure construction cost. The hollow fiber gravity-driven membrane reactor comprises a head water tank, a water storage tank, a membrane reaction vessel, a collecting bottle, a weighing device, a gravity-type hollow fiber membrane module and a light source. The head water tank is arranged above the water storage tank. The water storage tank is arranged above the membrane reaction vessel. The light source, the head water tank, the water storage tank and the membrane reaction vessel are arranged in parallel. The hollow fiber gravity-driven membrane reactor saves a covering area, a soil area and a corresponding infrastructure cost, has a low operation cost and a long service life and is suitable for algae-containing water treatment.
Owner:HARBIN INST OF TECH
Production device for preparing distilled water by ion exchange technology
InactiveCN103708664AReduce the residual chlorine valuePrevent scalingWater/sewage treatment bu osmosis/dialysisMultistage water/sewage treatmentWater useActivated carbon filtration
The invention relates to a distilled water preparation technology field, concretely a production device for preparing distilled water by an ion exchange technology, comprising: a sand filtration cylinder, an activated carbon filter, an ultraviolet sterilization device, a water inlet pump, a distilled water machine and a distilled water storage cylinder, and further comprising a water softener, an ion exchanger, a 5mum fine filter and a 1mum fine filter, wherein the sand filtration cylinder, the water softener, the ion exchanger, the activated carbon filter, the 5mum fine filter, the 1mum fine filter, the ultraviolet sterilization device, the water inlet pump, the distilled water machine and the distilled water storage cylinder are connected in order; and regenerants are 30% hydrochloric acid and a 30% of regenerant diluted from 99% sheet-shaped solid sodium hydroxide with water. The device provided by the invention can effectively remove pollutants in water and guarantees the water yield of the distilled water machine.
Owner:东莞日之泉蒸馏水有限公司
Method for rapidly removing aromatic N-alkyl dyestuff
ActiveCN106995225ATo achieve the purpose of purifying waterWater/sewage treatment by irradiationWater treatment compoundsSewagePhotocatalytic degradation
The invention relates to the technical field of photocatalytic degradation and in particular relates to a method for rapidly removing aromatic N-alkyl dyestuff in dyestuff sewage. According to the method provided by the invention, a certain amount of a chloroauric acid (HAuCl4) solution is added into the dyestuff sewage and the aromatic N-alkyl dyestuff is rapidly removed by utilizing a photocatalyst under the irradiation of visible light.
Owner:JIANGSU UNIV
Space-variant water tank
InactiveCN104415601ASimple structureTo achieve the purpose of purifying waterStationary filtering element filtersEngineeringWater tanks
The invention discloses a space-variant water tank. A water tank body is internally provided with a baffle, wherein the baffle is arranged from high to low according to the height of the baffle from a water inlet to a water outlet; the width of the baffle is as same as that of the water tank body; the maximum height of the baffle is smaller than the height of the water tank; the water tank body is internally provided with a filter plate; one end of the filter plate is connected with the bottom end of the baffle; the other end of the filter plate inclines to the rear part of the baffle and extends. The space-variant water tank is simple in structure; the running water runs into the water tank and is blocked by the baffle; when the water level reaches the height of the baffle, the water overflows into an interlayer in the middle of the water tank; the water sequentially overflows until the running water arrives at the water outlet; the water overflowing to a next interlayer is supernatant liquid of a former interlayer and is filtered by the filter plate for a plurality of times; the water arriving at the water outlet after repeatedly overflowing for several times is low in content of impurities, so that the purpose of purifying the water is achieved.
Owner:CHANGZHOU XINZHANJIANG SPECIAL FIBER
Preparation method of sodium fluoride dual-ion battery and application of sodium fluoride dual-ion battery in electrochemical defluorination
ActiveCN108493501AImprove conductivityImprove hydrophilic abilityFinal product manufactureWater contaminantsPhysical chemistrySewage
The invention discloses a preparation method of a sodium fluoride dual-ion battery and application of sodium fluoride dual-ion battery in electrochemical defluorination. The sodium fluoride dual-ion battery comprises a sodium ion electrochemical material, a fluorine ion electrochemical material and electrolyte, wherein the sodium ion electrochemical material is prepared from Na0.44MnO2, Na2FeP2O7,Na2V6O16, NaTi2(PO4)3, Na0.44[Mn1-xTix]O2 and the like; the fluorine ion electrochemical material comprises an electrochemical material or the electrochemical material coated by a carbon material; the electrochemical material is prepared from Bi, BiF3, Pb, PbF2, piperidines inorganic matters, dipyridyl onium salt and the like; an NaF solution is used as the electrolyte. The sodium fluoride dual-ion battery in the invention is high in specific capacity and good in cycle performance; meanwhile, fluorine ions in a solution can be removed by a fluorine ion electrode material by utilizing electrochemical fluoride ion adsorptivity during a charging-discharging process, and the sodium fluoride dual-ion battery can be applied to treatment of sewage containing fluoride.
Owner:SOUTH CHINA NORMAL UNIVERSITY
Solvent water treatment system for 2-chloropropionylchloride
ActiveCN102774907BLow enthalpyTo achieve the purpose of purifying waterWater/sewage treatment by heatingWater treatment systemEvaporation
The invention relates to a solvent water treatment system for 2-chloropropionylchloride. The solvent water treatment system comprises a solvent water pipeline, a steam pipeline, a condensed water preheating device, a desolvation treatment device, a desolvation evaporating device, a solvent collecting device and a condensed water collecting device, wherein the condensed water preheating device is provided with a steam inlet, a solvent water inlet, a solvent water outlet and a condensed water outlet; the solvent water pipeline is fixedly connected with the solvent water inlet of the condensed water preheating device; the steam pipeline is fixedly connected with the steam inlet of the condensed water preheating device; the desolvation treatment device comprises two inlets and two outlets, wherein one of the inlets is fixedly connected with the steam pipeline; the other inlet is fixedly connected with the solvent water outlet of the condensed water preheating device; one of the outlets is fixedly connected with the solvent collecting device and the other outlet is fixedly connected with the inlet of the desolvation evaporation device; and the condensed water collecting device is fixedly connected with the condensed water outlet of the condensed water preheating device.
Owner:JIANGSU CHENGXIN PHARMA
Direct drinking water production method
InactiveCN103232128BTo achieve the purpose of purifying waterLow costWater/sewage treatment by irradiationDispersed particle separationCapacitanceWater production
The invention relates to a direct drinking water production method. The direct drinking water production method comprises that tap water is filtered by an active carbon filter core; the filtered water enters into one or more capacitive deionization unit in series; the deionized water is subjected to ultraviolet sterilization; and the sterilized water is discharged. The tap water is filtered by the active carbon filter core so that a small amount of suspended solids and organic matters in the tap water are removed; the filtered tap water enters into the one or more capacitive deionization unit in series and harmful ions in the filtered tap water are removed under the action of the electric field; and the product water flows through a transparent plastic or glass pipe, is subjected to ultraviolet sterilization and then is discharged. The discharged product water can be drunk directly. The direct drinking water production method has a low material cost, a low operation cost and good tap water purifying effects and especially has good heavy metal ion removal effects. Through short circuit, the electric field disappears or is supplied with counter-currents so that the adsorbed ions are separated from double electric layers of an electrode and the electrode material is regenerated. The direct drinking water production method does not consume chemical agents such as acids, alkalis and salts and is a green production method.
Owner:JIANGSU UNIV +1
Solar water heater water treatment titanium electrode wire
PendingCN106115859ATo achieve the purpose of purifying waterWater/sewage treatment by electrochemical methodsEnergy based wastewater treatmentElectrochemical responseTitanium electrode
The invention provides a solar water heater water treatment titanium electrode wire. The solar water heater water treatment titanium electrode wire comprises a titanium electrode wire body and an injection part, the titanium electrode wire body comprises a connection section and an extension section formed by extending from the connection section, the connection section comprises s first thread part, a disk part and a second thread part in sequence from the end far away from the extension section to the other end, and the injection part wraps the disk part and the second thread part. The solar water heater water treatment titanium electrode wire is installed in a water tank, anti-corrosion, anti-scaling and bactericidal effects are achieved by means of an electrochemical reaction, and the purpose of purifying water is achieved.
Owner:BAOJI LONGSHENG NON FERROUS METAL
Solid material for treating cyanide cadmium plating wastewater and preparation method and application thereof
ActiveCN111097553AHigh removal rateTo achieve the purpose of purifying waterPhysical/chemical process catalystsCation exchanger materialsVinyl etherActivated charcoal powder
The invention discloses a solid material for treating cyanide cadmium plating wastewater. The solid material is prepared by adopting a method comprising the following steps: adopting perfluoroacyl peroxide as an initiator, copolymerizing tetrafluoroethylene and perfluoro[2-(2-fluorosulfonylethoxy)-propyl vinyl ether] to obtain perfluorosulfonic acid precursor resin, and then converting the perfluorosulfonic acid precursor resin by virtue of a sodium hydroxide solution to obtain sodium perfluorosulfonate resin containing -SO2Na groups; respectively cleaning the activated carbon powder with ammonia water and hydrochloric acid to obtain an activated carbon carrier; reacting butyl titanate, nitric acid, ammonia water and ammonium sulfate in an aqueous solution, roasting and crushing to obtaina nitrogen-doped TiO2 solid; and carrying out high-temperature treatment on the sodium perfluorosulfonate resin, the activated carbon carrier and the nitrogen-doped TiO2 solid, and granulating by using a granulator to obtain the solid material. The solid material provided by the invention integrates three effects of complex breaking, ion exchange and catalytic oxidation and can effectively treat cadmium cyanide pollutants in cyanide cadmium plating wastewater, and the removal rate of cadmium and free cyanogens can reach 99.8% or above.
Owner:NANJING YUANQUAN TECH CO LTD
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