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40results about How to "Reduce SS" patented technology
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Technique for conditioning sludge by using synergic action of Fenton reagent and polyacrylamide
InactiveCN102180583AImprove dehydration performanceImprove structure and propertiesSludge treatment by de-watering/drying/thickeningSludge treatment by oxidationWater contentMunicipal sewage
The invention discloses a 'technique for conditioning sludge by using the synergic action of Fenton reagent and polyacrylamide', and mainly aims to overcome the defects in sludge dehydration conditioning of urban sewage treatment plants at present. The invention provides a sludge conditioning combined technical process which can effectively degrade organic substances, realize sludge reduction, effectively release combined water and cell internal water difficult to be dehydrated in the sludge and improve the dehydration performance of the sludge. In the technique, the oxidizing action of the Fenton reagent and the strong flocculation of CPAM (cationic polyacrylamide) are fully combined and used to enhance the dehydration performance of the sludge and improve the solid-liquid separation ratio in sludge dehydration. Through conditioning, the water content of the sludge after centrifugal dehydration is reduced from 87.7 percent to 79.3 percent, and the mud cake output is reduced from 0.218t / m<3> to 0.128t / m<3>.
Owner:BEIJING NORMAL UNIVERSITY
Oil-containing wastewater treatment agent and preparation method thereof
ActiveCN103864177AReduce CODReduce BODFatty/oily/floating substances removal devicesLiquid separationTherapeutic effectPollution
The invention belongs to the technical field of sewage treatment agents, and in particular relates to an oil-containing wastewater treatment agent and a preparation method thereof. The oil-containing wastewater treatment agent disclosed by the invention comprises the following raw materials in parts by weight: 35-45 parts of polyacrylamide, 15-25 parts of polymeric aluminium, 12-18 parts of expanded graphite, 15-20 parts of zeolite mineral, 20-30 parts of hydrolyzed tannin, 3-5 parts of organic acid, 5-10 parts of TiO2, and 3-5 parts of chitosan-graphene composite material. The oil-containing wastewater treatment agent disclosed by the invention has the advantages of being good in treatment effect, low in production cost, high in purity, free from toxicity, influence to operators and secondary pollution after treatment; the preparation method is simple and easy for popularization.
Owner:广州小众环保科技有限公司
Treatment method of printing ink wastewater generated in circuit board production
ActiveCN103787551AEfficient removalFacilitate solid-liquid separationWater/sewage treatment by irradiationWater/sewage treatment bu osmosis/dialysisElectrolysisFiltration
The invention discloses a treatment method of printing ink wastewater generated in circuit board production. The treatment method comprises the following steps: firstly guiding printing ink raw wastewater generated in circuit board production into a raw water collecting tank, carrying out water quality equalization, then pumping into a reaction tank in the step two, coagulating so as to form muddy water mixed liquid of flocs, feeding the muddy water mixed liquid into a plate-and-frame filter press, carrying out solid-liquid separation, pumping filtrate into a Fenton oxidization / ultraviolet tank in the step four, carrying out oxidative degradation, electrolyzing, entering the electrolyzed wastewater to a membrane filtration device, and further carrying out biochemical treatment on the wastewater filtered by using a membrane. The treatment method can be used for effectively removing COD, ammonia nitrogen, total phosphorus and heavy metals in the printing ink wastewater generated in circuit board production, effectively preventing membrane pollution, continuously and effectively carrying out wastewater treatment and ensuring the final discharged water of the printing ink wastewater generated in circuit board production to meet the primary standards of Guangdong province water pollutant emission limits (DB44 / 26-2001).
Owner:GUANGDONG VICDI TECH +1
Electrolysis unit with membrane filtration function
InactiveCN102633324AIncrease B/C valueImproved biodegradabilityDispersed particle separationWater/sewage treatment by flotationWater pipeMembrane configuration
The invention discloses an electrolysis unit with a membrane filtration function and relates to an electrolysis unit. The electrolysis unit is provided with a shell and an electrode set, wherein a water inlet and an air inlet are arranged on the bottom part of the shell, and the water inlet is connected with a water inlet pipeline through a pipeline; the air inlet is connected with an aerating apparatus through a pipeline; an overflow opening and a drain outlet are respectively arranged on the upper part and the lower part of the shell, and the overflow opening and the drain outlet are connected with an external blow-off line through pipelines; the electrode set is provided with a bracket, a cathode, an anode and a water outlet; the electrode set is fixed on the shell through the bracket,the cathode is a metal membrane component with filtering and separating functions, and the anode is one of metal anode, alloy anode, carbon anode and titanium anode, and the like; and a connecting plate connected with a power supply is arranged on one end of the cathode, an anode binding post and a cathode binding post are arranged on the connecting plate, a filtration water collecting pipe and afiltration back wash pipe are arranged on the other end of the cathode, the filtration water collecting pipe is connected with a water suction pump, and the filtration back wash pipe is sequentially connected with a back wash pump and a chemical feed pipe. The electrolysis unit integrates electrolysis and membrane filtration functions.
Owner:BOYING XIAMEN SCI & TECH
Nano-catalysis, electrolysis, flocculation and air-floatation device
InactiveCN102936072AEliminate pollutionReduce turbidityMultistage water/sewage treatmentWater/sewage treatment using germicide/oligodynamic-processFlocculationSlag
The invention provides a nano-catalysis, electrolysis, flocculation and air-floatation device. A coagulative precipitation tank, a primary air-floatation tank, an electrolytic air-floatation tank and a slag-discharging tank are arranged in a housing of the device, wherein the top of the coagulative precipitation tank is provided with a water inlet and a mixer; the bottom of the coagulative precipitation tank is communicated with the primary air-floatation tank; a side sewage-draining outlet is connected with a sewage-draining pipe; a dissolved gas release pipe is arranged at the edge of the primary air-floatation tank; the sewage-draining outlet is connected with the sewage-draining pipe; the upper portion of the inner side of the primary air-floatation tank is communicated with the electrolytic air-floatation tank; the electrolytic air-floatation tank is divided into an upper layer and a lower layer by an upper-lower separator plate; a slag-scraping device is arranged in an upper gas-liquid separation chamber; an electrolytic cell is mounted between the upper layer and the lower layer of the electrolytic air-floatation tank; the bottom of the electrolytic cell is fixed on the inner bottom of the casing; the top of the electrolytic cell is open and horizontal with the top of the upper-lower separator plate; an electrode is installed in the electrolytic cell; and an interval between an anode and a cathode of the electrode serves as a water passage. The device integrates multiple functions of electrolysis, flocculation precipitation, air-floatation and the like together, has high automation degree, sewage-discharging efficiency and low running cost, and is convenient for operation and maintenance.
Owner:BOYING XIAMEN SCI & TECH
Biological compound treatment agent for sewage and sewage treatment method
InactiveCN103663713AReduce ammoniacal nitrogenReduce SSBiological water/sewage treatmentAmmoniacal nitrogenNitrite
The invention discloses a biological compound treatment agent for sewage. The biological compound treatment agent comprises a biological flocculant and chlorella. The biological compound treatment agent synchronously utilize the compound biological flocculant and the chlorella to carry out compound treatment, in order to remove the vast majority of pollutants such as ammoniacal nitrogen, SS, nitrite, nitrate nitrogen, TN (Total Nitrogen), TP (Total Phosphorus) and heavy metal. The biological compound treatment agent is efficient in pollutant removal, free from secondary pollution, and enormous in ecological benefits and economic benefits.
Owner:SUN YAT SEN UNIV
Electrode bio-membrane reactor capable of synchronously removing nitrate and hexavalent chromium
InactiveCN106082427AIncrease contactReduce dosageTreatment by combined electrochemical biological processesWater contaminantsWater bathsMicroorganism
The invention discloses an electrode bio-membrane reactor capable of synchronously removing nitrate and hexavalent chromium in water. The electrode bio-membrane reactor comprises a cylindrical reactor body; the bottom of a cylindrical water collector is arranged in an internal fixed block; small holes are formed in the wall of the lower part of the cylindrical water collector; the bottom of a cathode material ring is arranged between the internal fixed block and a middle fixed block; the bottom of an anode material ring is arranged between an external fixed block and the inner surface of the reactor; a water bath jacket is arranged on the outer part of the cylindrical reactor body; a circular plate is arranged on the upper part between the water bath jacket 1 and the cylindrical reactor body; the upper end of the water bath jacket is connected with a cover body in a sealing manner; biological carriers are arranged in the small holes in the surface of the cylindrical water collector movably; and biological carriers are arranged between the cathode material ring and the anode material ring. The reactor can promote the contact between pollutants and microorganisms. The cost is low, and secondary pollution is reduced. The electrode bio-membrane reactor has a simple structure, is convenient to operate and easy to run and maintain. The electrode bio-membrane reactor can synchronously and efficiently remove composite pollution nitrate and hexavalent chromium.
Owner:TIANJIN UNIV
Desulfurization wastewater reverse osmosis reconcentration device
InactiveCN106242145APrevent complete oxidationReduce workloadWater treatment parameter controlSpecific water treatment objectivesElectricityEvaporation
The invention relates to an industrial wastewater treatment technology and device, and in particular, relates to a desulfurization wastewater reverse osmosis reconcentration device; an inlet of a precipitation pool communicates with an outlet of an oxidation pool and an inlet of a multi-medium filter; an outlet of the multi-medium filter communicates with an inlet of an electrodialysis device; a concentrated water outlet of the electrodialysis device communicates with an inlet of the oxidation pool; a fresh water outlet of the electrodialysis device communicates with an inlet of a reverse osmosis device; a fresh water outlet of the reverse osmosis device communicates with the inlet of the precipitation pool and the inlet of the oxidation pool; a concentrated water outlet of the reverse osmosis device communicates with an inlet of an evaporation crystallizer; an outlet of a first drug feeding box communicates with the inlet of the oxidation pool; an outlet of a second drug feeding box communicates with an inlet of the precipitation pool. Salts and other components in desulfurization waste water of a thermal power plant can be effectively removed, and the components can also be recycled in a useful form.
Owner:刘永锋
A low-cost treating agent for printing and dyeing waste water and a preparing method thereof
InactiveCN106865646AReduce processing difficultyEfficient purification abilityWater/sewage treatmentSodium acetatePolyacrylamide
A low-cost treating agent for printing and dyeing waste water is disclosed. The treating agent includes, by weight, 20-25 parts of polyacrylamide, 45-50 parts of fly ash, 12-18 parts of chitosan, 30-35 parts of straw powder, 25-30 parts of saw powder, 8-12 parts of sodium acetate, 12-16 parts of activated maifan stone, 15-19 parts of polymeric aluminum ferric sulfate, 3-6 parts of magnesium sulfate, 21-24 parts of a cation type starch derivative, 2-5 parts of glycerol monostearate, 6-10 parts of fluorite and 3-7 parts of sodium lignosulfonate. The invention also discloses a preparing method of the treating agent. The treating agent has efficient cleaning capability, can effectively reduce the COD, BOD, SS, ammonia nitrogen and chroma of sanitary sewage, has good treating effects, is convenient to use, and greatly reduces difficulty for treating the printing and dyeing waste water.
Owner:张红卫
Integrated high-efficiency sewage treatment equipment for treating rural domestic sewage
PendingCN109264862ASmooth releaseTo achieve the purpose of removing total nitrogenTreatment with aerobic and anaerobic processesFiltrationEmission standard
The invention belongs to the technical field of sewage treatment equipment, and particularly relates to integrated high-efficiency sewage treatment equipment for treating rural domestic sewage. The high-efficiency sewage treatment equipment is mainly composed of an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and the like. The high-efficiency sewage treatment equipment cansolve the problems that traditional anaerobic, anoxic and aerobic process integrated equipment is high in energy consumption during running, mud in the sedimentation tank easily runs away, and the concentrations of suspended matter and phosphorus of effluent exceed the standards; nitrification, denitrification, filtration and other advanced treatment are simultaneously conducted in a ceramsite filler area, and the effluent is stable and reaches the super-level-A emission standards.
Owner:鹏凯环境科技股份有限公司
Environment-friendly artificial wetland system for purifying dredging remained water/tail water
ActiveCN104016546AIncrease the areaEfficient removalMultistage water/sewage treatmentEnergy based wastewater treatmentConstructed wetlandWater quality
The invention relates to an environment-friendly artificial wetland system for purifying dredging remained water / tail water. The environment-friendly artificial wetland system comprises a water level regulation pool, a wetland purification pool and an effluent collecting pipe, wherein the system forms a cuboid shape; the water level regulation pool is arranged at the front-end water intake part of the wetland purification pool; the effluent collecting pipe is arranged at the rear-end discharge part of the wetland purification pool; the reclaimed water / tail water enters the wetland purification pool after the water level regulation pool carries out suspended solid treatment on the dredging remained water / tail water; the reclaimed water / tail water is subjected to physical settlement and a series of biochemical reaction in the wetland purification pool for a period of time; the purified reclaimed water / tail water enters the effluent collecting pipe from the bottom of the wetland purification pool to discharge. The artificial wetland system is adopted to process the dredging remained water / tail water by combining with the actual condition of the dredging engineering, the environment-friendly artificial wetland system has the characteristics of being stable in effluent quality, strong in removal capacity on nutrient substances such as N, P and the like, low in construction and operation cost, convenient to maintain and manage, strong in impact load resistance, high in aesthetic value and the like, and the problem of beneficial use of dredging bottom mud containing high-content pollutants and organic matters can also be effectively solved.
Owner:安徽建工交通航务集团有限公司 +2
Land-saving type efficient nitrogen and phosphorus removal sewage treatment device and method
InactiveCN109052813AGood effectSmall footprintTreatment using aerobic processesSpecific water treatment objectivesActivated sludgeNitrogen
The invention discloses a land-saving type efficient nitrogen and phosphorus removal sewage treatment device and method. The land-saving type efficient nitrogen and phosphorus removal sewage treatmentdevice comprises a pretreatment unit; the left end of the pretreatment unit is provided with a water inlet; the right end of the pretreatment unit is communicated with the left end of an anaerobic pool; the right end of the anaerobic pool is communicated with the left end of a first-stage aerobic pool; the right end of the first-stage aerobic pool is communicated with the left end of a secondarysedimentation pool; the right end of the secondary sedimentation pool is communicated with the left end of an anoxic pool; the right end of the anoxic pool is communicated with the left end of a secondary-stage aerobic pool; the right end of the secondary-stage aerobic pool is communicated with the left end of a deep treatment unit; the right end of the deep treatment unit is provided with a wateroutlet; and the anoxic pool and the secondary-stage aerobic pool are both filled with a biological membrane filler. The traditional A / A / O technology is improved into combination of front section A / Oadopting an activated sludge method and post A / O adopting a pure biological membrane method; and compared with the activated sludge method and a sludge-membrane mixing technology in the past, the combination greatly saves the occupying area while strengthening the pollutant effect.
Owner:四川天润德环境工程有限公司 +1
Thermal power plant desulfurization wastewater electrodialysis reconcentrator
InactiveCN106348510APlay a protective effectPrevent complete oxidationTreatment involving filtrationMultistage water/sewage treatmentFresh waterMedia filter
The invention relates to an industrial wastewater treatment technique and device, particularly a thermal power plant desulfurization wastewater electrodialysis reconcentrator. An inlet of a precipitation tank communicates with an outlet of an oxidation tank and an inlet of a multimedia filter; an outlet of the multimedia filter communicates with an inlet of a regulating tank; a first outlet of the regulating tank communicates with an inlet of the oxidation tank; a second outlet of the regulating tank communicates with an inlet of an electrodialysis plant; a cathode water outlet of the electrodialysis plant communicates with the inlet of the precipitation tank; an anode water outlet of the electrodialysis plant communicates with the inlet of the oxidation tank; an electrodialysis concentrated water outlet of the electrodialysis plant communicates with an inlet of an evaporative crystallizer; an electrodialysis fresh water outlet of the electrodialysis plant communicates with an inlet of an reverse osmosis unit; an outlet of a first dosing tank communicates with the inlet of the oxidation tank; and an outlet of a second dosing tank communicates with the inlet of the precipitation tank. The thermal power plant desulfurization wastewater electrodialysis reconcentrator has high electrodialysis weight concentration, reduces the subsequent evaporative crystallization load, and lowers the investment and operating cost.
Owner:刘永锋
Method for repairing water ecosystem and stepped restoration system of water ecosystem
PendingCN110818202AHigh transparencyIncrease dissolved oxygenTreatment involving filtrationMultistage water/sewage treatmentWater qualityTurbid water
The invention provides a method for repairing a water body ecosystem, and the method comprises the following steps: 1) adding a water body substrate improver into a raw water body, planting aquatic vegetation after the water quality becomes clear, improving the light compensation condition of the water body, and constructing an underwater forest system; 2) constructing ecological interception systems on two sides of the water body to reduce suspended solids in the water body and maintain water quality; and 3) constructing a surface runoff buffer area at the periphery of the ecological interception system to prevent the instability of a side slope caused by wind and rain and prevent turbid water from polluting the water body after water and soil loss. Through the method, the stepped restoration system of the water ecological system is formed; the concentration of suspended matters in the water body can be effectively reduced through the water ecological interception system, the transparency of the water body is greatly improved, a good environment for aquatic plant growth is provided for the water body, then submerged plants are planted to form an underwater forest system, aesthetics and hydrophilicity are considered, and good demonstration and education effects are achieved.
Owner:CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY
High efficiency sewage treatment agent used for treating domestic sewage, and preparation method thereof
InactiveCN108101130AMeet performance requirementsEasy to handleWater contaminantsWater/sewage treatmentTherapeutic effectTotal nitrogen
The invention discloses a high efficiency sewage treatment agent used for treating domestic sewage. The high efficiency sewage treatment agent used for treating domestic sewage comprises, by weight, 17 to 21 parts of poly aluminum ferrous chloride, 13 to 17 parts of sodium lignosulfonate, 25 to 30 parts of polyacrylamide, 3 to 6 parts of ferrous sulphate, 8 to 12 parts of chitosan, 6 to 10 parts of calcium chloride, 2 to 5 parts of berberine, and 35 to 40 parts of modified sawdust. The invention also discloses a preparation method of the high efficiency sewage treatment agent used for treatingdomestic sewage. The high efficiency sewage treatment agent used for treating domestic sewage possesses excellent treatment effect on domestic sewage, is capable of reducing COD, BOD, SS, total phosphor, total nitrogen, and ammonia nitrogen in domestic sewage, satisfying requirements of market on sewage treatment agent, and is promising in market prospect.
Owner:牟世启
Garbage leachate treatment system and use method thereof for treating garbage leachate
InactiveCN108640411AReduce CODReduce BODSludge treatment by de-watering/drying/thickeningTreatment with aerobic and anaerobic processesFiltrationNational standard
The invention provides a garbage leachate treatment system. The garbage leachate treatment system comprises a water storage unit, a sedimentation unit, a reagent feeding unit, a microbial treatment unit, a drainage unit and a solid-liquid separation unit; the sedimentation unit comprises a constant-current sedimentation tank and a physical chemical sedimentation tank which are sequentially connected; the microbial treatment unit comprises an anaerobic biological treatment device, a micro anoxic biological treatment device and an aerobic biological treatment device which are sequentially connected; and the solid-liquid separation unit comprises a sludge concentration tank, a sludge dewatering machine and a sludge dryer which are sequentially connected. The garbage leachate is treated through the adoption of the garbage leachate treatment system provided by the invention, and the garbage leachate is partially recycled and partially discharged after being purified. The emission concentrations of class 1 pollutants and class 2 pollutants in the discharged purified liquid are 30% or below of the emission concentration specified by the national standard, and the sludge obtained by sedimentation, precipitation and filtration is also transported outside for cleaning, is combusted by a boiler or is recycled after being subjected to solid-liquid separation treatment.
Owner:江苏金恒环境科技有限公司
Pressurized air-multiple-phase catalyzing method with extraction waste water modification and reinjection at high-temperature in oil field
InactiveCN1817450AReduce dosageLow running costWater aerationCatalyst activation/preparationPolymerHigh heat
A catalyst for modifying the sewage in oil field and refilling it is prepared from the active component chosen from the oxides of Fe, Ni, Mn and Cu and the carrier (SiO2 or MnO2) through immersing the carrier in the solution of soluble chloride containing metal ions or Mn(NO3)3, laying aside at 70-90 deg.C for 10-12 hr, baking, calcining and natural cooling.
Owner:NANKAI UNIV
Leather wastewater treatment system and method
PendingCN113651433AImproved biodegradabilityReduce sludge concentrationWater contaminantsWaste water treatment from animal processingWater treatmentSludge
The invention belongs to the technical field of microbial wastewater treatment, and particularly relates to a leather wastewater treatment system and a method. According to the leather wastewater treatment system and method, the purposes of effective denitrification and sludge reduction in leather wastewater can be achieved, the problem of blockage of inflow water of the jet flow water distribution mixing digestion system is solved, SS in the wastewater can be reduced, the investment is reduced by 60% compared with that of a conventional anaerobic tank, the heterotrophic nitrifying bacterium agent is easy to produce, materials are easy to obtain, the cost is low, the process is simple and economic benefits are huge.
Owner:恒臻无锡生物科技有限公司
Intelligent riverway water distribution method and system
ActiveCN104460494AReal-time online monitoring of hydrological and water quality conditionsReduce SSProgramme control in sequence/logic controllersDistribution controlControl signal
The invention relates to an intelligent riverway water distribution method and system. The intelligent riverway water distribution method and system aim to effectively guarantee water quality of rivers in cities. According to the technical scheme, the intelligent riverway water distribution method comprises the following steps that (1) a hydrology-water quality online monitoring device and a water distribution purification device are mounted; (2) the hydrology-water quality online monitoring device and the water distribution purification device are connected with a PLC; (3) the PLC sends received data to a server; (4) an intelligent water distribution control platform makes a judgment according to hydrology-water quality monitoring results; (5) the PLC controls the water distribution purification device according to control signals. The intelligent riverway water distribution system comprises the hydrology-water quality online monitoring device, the water distribution purification device, the PLC, a data transmission module and the server. The hydrology-water quality online monitoring device and the water distribution purification device are connected with the PLC respectively, and the PLC is connected with the server.
Owner:ZHEJIANG ZONE KING ENVIRONMENTAL SCI&TECH CO LTD
Pretreatment device and method for colored crystal synthesis wastewater
ActiveCN104556500AEasy to handleDoes not affect productionWater contaminantsMultistage water/sewage treatmentHigh concentrationPretreatment method
The invention relates to a pretreatment device and method for colored crystal synthesis wastewater, and belongs to the field of wastewater treatment. The pretreatment device comprises two regulating tanks, two coagulating precipitation tanks, two intermediate tanks and two ferric carbon reaction tanks. The pretreatment method comprises the following steps: firstly, homogenizing and averaging high-concentration and low-concentration wastewater through the two regulating tanks; secondly, carrying out coagulating precipitation, acid modulation treatment and internal electrolysis treatment; thirdly, carrying out acid modulation treatment and internal electrolysis treatment again; finally, carrying out coagulating precipitation again. The wastewater pretreated by the device and the method can meet the biochemical treatment requirements.
Owner:CHINA NORTH ENERGY CONSERVATION & ENVIRONMENT PROTECTION
A kind of oily wastewater treatment agent and preparation method thereof
ActiveCN103864177BReduce CODReduce BODFatty/oily/floating substances removal devicesLiquid separationTherapeutic effectPollution
Owner:广州小众环保科技有限公司
Environment-friendly artificial wetland system for purifying dredging remained water/tail water
ActiveCN104016546BIncrease the areaEfficient removalEnergy based wastewater treatmentMultistage water/sewage treatmentConstructed wetlandWater quality
Owner:安徽建工交通航务集团有限公司 +2
Fast infiltration system used for rural sewage treatment and fast infiltration method thereof
PendingCN109052852AReduce energy consumptionPromote growthWater treatment parameter controlFatty/oily/floating substances removal devicesRefluxSewage
The invention discloses a fast infiltration system used for rural sewage treatment. The system is composed of an upper layer and a lower layer, wherein a lower-layer tank body is composed of a gratingditch, an oil removal sedimentation tank, an adjusting tank and a water outlet tank, an upper-layer tank body is a fast infiltration tank, the fast infiltration system used for rural sewage treatmentis further provided with an external fan, the fast infiltration tank comprises a water collection layer and a plurality of infiltration layers from bottom to top, the water collection layer comprisesa water gathering layer, a middle bearing board and a dephosphorization layer from bottom to top in sequence, the water gathering layer is connected with a water outlet tank through a water gatheringpipe, the infiltration layers comprise bottom bearing boards, lower infiltration layers, transition layers and fast filtering layers from bottom to top in sequence, air distributing pipes are arranged on the lower infiltration layers, each air distributing pipe is connected with an air distribution header pipe, an air source is from the external fan, water distribution pipes are arranged on the fast filtering layers, and each water distribution pipe is connected with a water distribution header pipe; a reflux pump is arranged in the water outlet tank. By means of the fast infiltration systemused for rural sewage treatment, the concentration of pollutants which enter the fast infiltration tank is reduced, sewage short flows, orifice blocking and filler hardening are reduced, and maintenance workloads of workers are reduced.
Owner:ZHEJIANG SUPER MAX ENVIRONMENTAL ENG
Electrolysis unit with membrane filtration function
InactiveCN102633324BReduce CODReduce chromaDispersed particle separationWater/sewage treatment by flotationElectrolysisFiltration
The invention discloses an electrolysis unit with a membrane filtration function and relates to an electrolysis unit. The electrolysis unit is provided with a shell and an electrode set, wherein a water inlet and an air inlet are arranged on the bottom part of the shell, and the water inlet is connected with a water inlet pipeline through a pipeline; the air inlet is connected with an aerating apparatus through a pipeline; an overflow opening and a drain outlet are respectively arranged on the upper part and the lower part of the shell, and the overflow opening and the drain outlet are connected with an external blow-off line through pipelines; the electrode set is provided with a bracket, a cathode, an anode and a water outlet; the electrode set is fixed on the shell through the bracket, the cathode is a metal membrane component with filtering and separating functions, and the anode is one of metal anode, alloy anode, carbon anode and titanium anode, and the like; and a connecting plate connected with a power supply is arranged on one end of the cathode, an anode binding post and a cathode binding post are arranged on the connecting plate, a filtration water collecting pipe and a filtration back wash pipe are arranged on the other end of the cathode, the filtration water collecting pipe is connected with a water suction pump, and the filtration back wash pipe is sequentially connected with a back wash pump and a chemical feed pipe. The electrolysis unit integrates electrolysis and membrane filtration functions.
Owner:BOYING XIAMEN SCI & TECH
Organic wastewater treatment method and treatment device
InactiveCN102510840AImprove settlement performanceConcentration effect is goodWater contaminantsWater/sewage treatment bu osmosis/dialysisActivated sludgeIron salts
Treated water having excellent water quality is effectively obtained, thereby improving the sedimentation property, concentration performance, and filterability of sludge in an activated sludge liquid mixture in a biotreatment tank by adding an iron salt. When an iron salt such as ferrous salt, ferric salt, or polyferric sulfate is added to organic wastewater in biotreatment, the iron salt is added to and mixed with the organic wastewater and the water mixture is mixed with an activated sludge and biologically treated. By mixing the organic wastewater and the iron salt in advance at close to the optimum pH of ferric hydroxide, turbidity of the treated water caused by the generation of iron oxide and iron carbonate is prevented.
Owner:KURITA WATER INDUSTRIES LTD
A method for treating black and odorous water in cities and towns
ActiveCN106630310BRestoring self-cleaning functionProcessing speedWater treatment parameter controlSpecific water treatment objectivesIon clustersSludge
Owner:肇庆领誉环保实业有限公司
A high-efficiency sewage treatment agent
ActiveCN103787475BDoes not affect pHEasy to handleWater/sewage treatment by flocculation/precipitationTotal nitrogenOxygen
The invention discloses an efficient wastewater treatment agent which comprises the following components: 40-60 parts of inorganic natural mineral substances, 20-40 parts of inorganic sulfate, 10-30 parts of inorganic carbonate or alkali, and 1-5 parts of inorganic polymeric sulfate. The efficient wastewater treatment agent is neutral, the application of the efficient wastewater treatment agent does not affect the pH value of an aqueous solution, and the application of the efficient wastewater treatment agent is not affected by the pH value of wastewater required to be treated, therefore, the efficient wastewater treatment agent is easy to use; indexes of SS (suspended solids), COD (chemical oxygen demand), BOD (biological oxygen demand), total phosphorus, total nitrogen, and the like in eutrophic water can be greatly reduced, and settled flocculates are coagulated, changed from hydrophilicity to hydrophobicity, and not dissolved in water again.
Owner:刘洪军
A river intelligent water distribution method and a river intelligent water distribution system
ActiveCN104460494BReal-time online monitoring of hydrological and water quality conditionsReduce SSProgramme control in sequence/logic controllersDistribution controlDistribution method
Owner:ZHEJIANG ZONE KING ENVIRONMENTAL SCI&TECH CO LTD
Activated carbon adsorption integrated type sewage treatment system and process thereof
InactiveCN108191155AReduce SSContinuous operationTreatment using aerobic processesWater/sewage treatmentActivated carbonFlocculation
The invention discloses an activated carbon adsorption integrated type sewage treatment system. The activated carbon adsorption integrated type sewage treatment system comprises magnetic separation equipment, a No. 1 adsorption device, a No. 2 adsorption device and an aeration system; each of the No. 1 adsorption device and the No. 2 adsorption device is provided with a sewage inlet and a backwashwater inlet; the sewage inlet is connected with the magnetic separation equipment; the No. 1 adsorption device and the No. 2 adsorption device are both connected with the aeration system; and the No.1 adsorption device and the No. 2 adsorption device are both filled with activated carbon fillers. The activated carbon adsorption integrated type sewage treatment system can treat the sewage by utilizing a magnetic flocculation process, an activated carbon adsorption process and a biological process simultaneously, can effectively reduce SS, COD and ammonia nitrogen in the sewage, has the advantages of comprehensive treatment capability, high purification efficiency and the like, is compact in equipment structure and short hydraulic retention time, is provided with an automatic control system, can realize continuous and stable operation, and is novel and efficient integrated type sewage treatment equipment.
Owner:ANHUI PUSHI ECOLOGICAL ENVIRONMENT ENG
Treatment agent applicable to food industry sewage and preparation method therefor
InactiveCN106865647AReduce CODReduce BODWater/sewage treatmentWaste water treatment from food industryGallic acid esterAdditive ingredient
The invention discloses a treatment agent applicable to food industry sewage and a preparation method therefor. The treatment agent is prepared by employing urea-formaldehyde resin, tert-butyl methacrylate and sodium carboxymethyl starch as main ingredients, adding polyaluminosiloxane, high-nitrogen polyisobutylene succinimide, dodecyl dimethyl benzyl ammonium chloride, triethanolamine, acryloyl morpholine, borax, ferric sulfate, gallic acid, xylanase, phanerochaete chrysosporium powder, an initiator and a coupling agent, and carrying out procedures such as ultrasonic treatment, high-temperature calcination, mixed ball-milling, high-temperature stirring, sprinkling granulation and low-temperature drying. The prepared treatment agent can be used for remarkably reducing COD, BOD, SS and ammonia nitrogen values of the food industry sewage, can meet the requirements of industry and has a relatively good application prospect.
Owner:SUZHOU DINGYU ENERGY EFFICIENT EQUIP
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