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41results about How to "Achieve photocatalytic effect" patented technology
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Three-level deep rapid purification device and method for heavy metals in underground water
InactiveCN104150697AReduce concentrationAchieve photocatalytic effectMultistage water/sewage treatmentPlant rootsRed mud
The invention discloses a three-level deep rapid purification device for heavy metals in underground water. Suspended solids and colloids in underground water are removed through an advanced oxidation screening system, a three-level deep purification system is established by using a surface repair system, and a primary absorption layer is established by utilizing a large plant root system; a secondary enrichment layer is established by utilizing a red mud mesoporous molecular sieve and activated carbon; a third-level net fishing layer is established by utilizing a coal ash molecular sieve, zero-valent nano-iron and a nano aeration mechanism, heavy metals in the underground water are subjected to three-level deep purification, and the concentration content of the heavy metals is close to zero due to three-level purification. Meanwhile, according to the system, secondary pollution is avoided, fixed heavy metals in the treatment process are continuously absorbed by plants, the concentration and content of the heavy metals in the underground water can be rapidly reduced due to treatment, and the system is effective for a long time.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for treating sewage by using biological rotating disc
InactiveCN104150707AIncrease nitrificationImprove the effect of advanced oxidationTreatment using aerobic processesMultistage water/sewage treatmentTreatment effectSewage
The invention discloses a device for treating sewage by using a biological rotating disc. The device mainly comprises four parts, namely a centrifugal machine, the biological rotating disc, a turbulent flow nano aeration recoil screening pool and a nano aeration ablation device. The invention also discloses a method for treating the sewage by utilizing the device. The device has the advantages of simple structure, safety in operation, good treatment effect, convenience in maintenance and management, low operating cost and the like, is particularly suitable for small-water-volume low-concentration wastewater treatment, is obvious in effect of dispersed and contaminated high-load-fluctuation water, does not cause membrane drop and is obvious in sterilization and disinfection effects, and the removal rate can exceed 96 percent aiming at the condition that trace pollutants are difficultly treated.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis
ActiveCN104230096AImprove biodegradabilityEfficient removalMultistage water/sewage treatmentThree levelFlocculation
The invention provides a device for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis. The device mainly comprises a nano-micro-electrolytic tank, an aerobiotic biomembrane reactor, a nano-aeration agglomeration-micro-vortex flocculation device and a three-level backflush screening device. The invention further discloses a method for treating sewage by utilizing the device. The device has the advantages of wide application range, high reacting speed, simple process flow, long service life, little investment cost, low operation cost, stable treatment effect and high effluent quality transparency, and is convenient to operate and maintain.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for treating high-concentration and degradation-resistant organic waste water
ActiveCN104193074AIncrease incidenceImprove the effect of advanced oxidationMultistage water/sewage treatmentHigh concentrationConstructed wetland
The invention relates to a device for treating high-concentration and degradation-resistant organic waste water. The device for treating the high-concentration and degradation-resistant organic waste water mainly comprises an anaerobic bio-membrane reactor, an aerobic bio-membrane reactor, an artificial wetland system, a turbine sieve filter and a sand setting tank. The invention also discloses a method for removing high-concentration organic pollutants in sewage by utilizing the device provided by the invention. The device and method for treating the high-concentration and degradation-resistant organic waste water have the advantages that a nano aeration technology is adopted, two methods, namely photoexcitation and photocatalysis, are combined, hydroxyl free radicals are produced at high efficiency, biologically treated sewage effluent is subjected to deep treatment in a lasting and effective manner by utilizing strong oxidizing property of the hydroxyl free radicals, the pollutants with poor biodegradability and relative high molecular weight can be completely oxidized and degraded, and bacteria and pathogenic bacteria in sewage are killed, so that the sterilization and disinfection effects are realized.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Apparatus for removing organic matters in underground water and method for removing organic matters
InactiveCN104129877AEfficient removalSolve the problem of rapid dissipationMultistage water/sewage treatmentContaminated groundwater/leachate treatmentHigh concentrationOrganic matter
The invention provides an apparatus for removing organic matters in underground water. The apparatus mainly comprises an underground water lifting system and an advanced oxidation treatment system. The invention further discloses a method for removing organic matters in underground water by using the apparatus. According to the invention, aeration in the advanced oxidation treatment system is realized, the problem of rapid dissipation of ozone during aeration is effectively overcome, organic pollutants in underground water are effectively removed in situ, the toxicity of high-concentration organic matters is rapidly abated, and the apparatus and the method are applicable to all the organic pollution areas of underground water.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Garbage leachate advanced treatment device and method
ActiveCN104150692AReduce the concentration of nitrate nitrogenDurable and safe disinfection and degradationMultistage water/sewage treatmentConstructed wetlandFiltration
The invention discloses a garbage leachate advanced treatment method which comprises the following steps: garbage leachate enters through a centrifugal machine feed port, suspensions with different densities are settled and stratified, the separated sewage enters an aerobic biomembrane reactor, degradable organic matters in the garbage leachate are removed in the aerobic biomembrane reactor, and effluent water of the aerobic biomembrane reactor is introduced into a table-flap subsurface flow artificial wetland to remove nondegradable organic matters; and the effluent water of the table-flap subsurface flow artificial wetland is sprayed into a surface layer turbulence screening filter, the screening filter filler performs filtration, adsorption, ion exchange and coagulation on the sewage and removes heavy metals, and the effluent water of a water tank of the surface layer turbulence screening filter enters a photocatalytic degradation reactor to kill pathogens, bacteria and trace amounts of organic matters in the sewage. The invention also discloses a device for implementing the method.
Owner:张列宇
Device for purifying toxic sewage by utilizing three-stage bio-membrane reactor and method for purifying toxic sewage by using device
InactiveCN104193080AReduce turbidityHigh transparencyMultistage water/sewage treatmentThree levelFlocculation
The invention provides a device for purifying toxic sewage by utilizing a three-stage bio-membrane reactor. The device comprises the following four parts: the three-stage bio-membrane reactor, a nano aerated coagulation-micro-vortex flocculation device, a three-level backflushing and screening device and an immersed hollow fiber membrane. The invention also discloses a method for treating sewage by utilizing the device. The device has high effluent quality and good transparency and can be applied to garden irrigation, site washing and the like; the humus in the treated sewage is reduced by more than 95% and the number of microorganisms in the treated sewage is reduced by 99%; the effluent quality and transparency are high.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for rapidly treating kitchen waste wastewater
ActiveCN104193082APrevent rotReduce processing timeMultistage water/sewage treatmentFlocculationCavitation
The invention discloses a device for rapidly treating kitchen waste wastewater. The device mainly comprises a cavitation air floatation device, a first-stage turbulent flow nano-aeration backwash filter, a bio-membrane reactor, a flocculation tank, a second-stage turbulent flow nano-aeration backwash filter and a girt chamber. The invention also discloses a method for treating kitchen waste wastewater by using the device. The problems of high kitchen waste wastewater output, high treatment difficulty and long reaction period are effectively solved by mainly using a mechanical method and accessorily using a biological method according to the concept that the kitchen waste wastewater is rapidly treated, the wastewater treatment time is shortened, the generated wastewater can be rapidly discharged up to the standard, and the aims of reduction, harmlessness and recycling of the kitchen waste wastewater are realized.
Owner:张列宇
Treatment device and treatment method for sewage treatment and reclamation
InactiveCN104150704ADurable and safe disinfection and degradationSimple processMultistage water/sewage treatmentConstructed wetlandSurface layer
The invention discloses a treatment device for sewage treatment and reclamation, which mainly comprises a grid tank, wherein the grid tank is connected with a flow-deflection composite vertical artificial wetland through a water inlet pipe; the flow-deflection composite vertical artificial wetland is connected to a surface layer turbulence screening filter through two necking-down water inlet pipes; and a water outlet of the surface layer turbulence screening filter is connected with a nano aeration advanced treatment device. The invention also discloses a treatment method for sewage treatment and reclamation.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for purifying biologically treated sewage through nano aerated coagulation-stirred flocculation
InactiveCN104150656AIncrease collisionPromote mutual collision and cohesionMultistage water/sewage treatmentFlocculationThree stage
The invention provides a device for purifying biologically treated sewage through nano aerated coagulation-stirred flocculation. The device mainly comprises a nano aerated coagulation-micro-vortex flocculation device, a three-stage backwashing and screening device and an outlet sump. The invention also discloses a method for treating the sewage by utilizing the device. The device has the effects of optimizing the flocculation efficiency, reducing the reagent consumption, shortening the reaction time, effectively removing pathogenic bacteria and trace organic matters in the sewage and improving the effluent quality and has the removal rate of 100%.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Sewage treatment device of multistage inflow vertical flow soil infiltration system and method for treating sewage by using device
ActiveCN104193084AIncrease contact areaIncrease contact timeMultistage water/sewage treatmentWater qualitySmall footprint
The invention provides a sewage treatment device of a multistage inflow vertical flow soil infiltration system. The device mainly comprises a grillage machine, the multistage inflow vertical flow soil infiltration system, an intermediate adjusting tank, a turbine screening tank and a discharge tank. The invention also discloses a method for treating sewage by utilizing the device. The device and the method have the positive effects that the device is small in floor area and is convenient to operate; the effluent treated by the device has high transparency and good quality; the device not only can kill aerobes such as pathogenic bacteria and eggs but also is short in reaction period and low in investment and takes effect quickly; the deep carbon sources of the soil infiltration system are ensured to be sufficient by utilizing multistage inflow and the remaining organic matters and other pollutants are intercepted by utilizing the turbine screening tank, so that the sewage is deeply purified and the effluent far exceeds the natural first-grade indicators.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for rapid treatment of village and town distributed sewage
ActiveCN104193086AReduce hydraulic loadReduce risk factorMultistage water/sewage treatmentSewageSoil infiltration
The invention discloses a device for rapid treatment of village and town distributed sewage. The device comprises a two-section grille machine, wherein effluent of the grille machine is conducted to a one-stage surface layer turbulent flow screening and filtering device, the effluent of the one-stage surface layer turbulent flow screening and filtering device is conducted to an A2 / O compound flow baffle plate soil infiltration system, the effluent of the A2 / O compound flow baffle plate soil infiltration system is conducted to a two-stage surface layer turbulent flow screening and filtering device, and the effluent of the two-stage surface layer turbulent flow screening and filtering device is conducted to a cyclone desanding device. The invention also discloses a method for performing rapid treatment on the village and town distributed sewage by using the device.
Owner:GUANGZHOU HOMELAND ENVIRONMENTAL ENG
Device and method for deep treatment of livestock and poultry wastewater by using three-layer trickling filter
ActiveCN104176877AEasy to handleFast and effective processingMultistage water/sewage treatmentGeneration rateHydraulic pump
The invention relates to a method for the deep treatment of livestock and poultry wastewater by using a three-layer trickling filter. According to the method, the livestock and poultry wastewater enters from a charging opening of a centrifuge, suspensions of different densities are subjected to sedimentation layering, and separated sewage enters the trickling filter; water distribution is carried out in the trickling filter by a rotating water distribution disc, the sewage is firstly subjected to aerobic treatment by a biological annular layer, pollutants in the sewage are then subjected to physical adsorption and ion exchange by a molecular sieve layer, the sewage is subjected to retreatment by a gravel layer and water leading, then, the sewage is subjected to precipitation in a precipitation layer, and precipitated sewage is led into an eddy-flow-sieving purification pool under the action of a hydraulic pump; in the eddy-flow-sieving purification pool, more hydroxyl radical.OHs are generated by a nanoscale O3 bubble and ultraviolet sterilizing lamp and a semiconductor loaded filler, so that the O3 oxygenolysis of organic matters is enhanced, the advanced oxidation effect is improved, the generation rate of.OH is effectively increased, and the treatment process is completed. The invention further discloses a device for implementing the method.
Owner:GUANGZHOU HOMELAND ENVIRONMENTAL ENG
Device and method for purifying sewage by utilizing horizontal subsurface flow constructed wetland
InactiveCN104150689AExtended stayIncrease contact areaMultistage water/sewage treatmentPollutantTreatment effect
The invention provides a device for purifying sewage by utilizing a horizontal subsurface flow constructed wetland. The device comprises a horizontal spiral discharge sedimentation centrifuge, the horizontal subsurface flow constructed wetland, a nano aerated coagulation-micro-vortex flocculation device and a three-stage backwashing and screening device. The invention also discloses a method for treating the sewage by utilizing the device. The device has high treatment intensity, can adapt to sewage with different hydraulic loads, has better treatment effects on the sewage with higher volatility, deeply removes organic suspended substances and impurities in water, adsorbs inorganic harmful substances, simultaneously oxidizes residual toxic pollutants into low-toxicity or nontoxic small molecular substances, reduces the operating cost and improves the effluent effects.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for treating domestic sewage in different seasons through soil infiltration method
InactiveCN104150700ASuitable for survivalAvoid leachingMultistage water/sewage treatmentSoil infiltrationMaterials science
The invention discloses a device for treating domestic sewage in different seasons through a soil infiltration method. The device mainly comprises five parts, namely a nano aeration ablation device, an alternate-flow soil infiltration system, a turbine screen filter and a settling pond. The invention also discloses a method for removing organic matters, inorganic matters, microbes, heavy metals and the like by utilizing the device. By adopting the device and method, contaminants with low biodegradability and high relative molecular mass are completely oxidized and degraded, bacteria and pathogenic bacteria in the sewage are killed, hormones and other complex organic matters are digested, and sterilization and disinfection effects are achieved. Aiming at the conditions that the environmental deviation of temperature and humidity in different seasons is large and the treatment environmental deviation is obvious, the effluent can reach a national primary standard.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Three-stage treatment device and method of high-ammonia/nitrogen wastewater in alternate-flow artificial wetland
InactiveCN104150705AHigh transparencyHigh chromaMultistage water/sewage treatmentConstructed wetlandSludge
The invention relates to a three-stage treatment device and method of high-ammonia / nitrogen wastewater in an alternate-flow artificial wetland. The three-stage treatment device comprises a nanometer aeration ablation device, wherein a nanometer aeration disc connected with a nanometer aeration machine is arranged inside the nanometer aeration ablation device and located above a sludge outlet; the alternate-flow artificial wetland is connected to a surface-layer turbulence screen filter by virtue of a water outlet pipe; a water outlet of a water storage tank of the surface-layer turbulence screen filter is connected with a cyclone desanding device by virtue of a hydraulic pump; a sludge outlet is formed in the bottom of the cyclone desanding device, a stirrer is arranged at the top of the cyclone desanding device, impellers and paddles of the stirrer incline upwards and the upper part of the cyclone desanding device is connected with a backwash pump. The invention also discloses a three-stage deep treatment method of high-ammonia / nitrogen wastewater effluent by virtue of the combined device.
Owner:席北斗
Heat-sensitive photocatalytic spray gel and preparation method thereof
ActiveCN111495434AThorough and lossless recyclingAvoid damageOrganic-compounds/hydrides/coordination-complexes catalystsDispersed particle separationCellulosePlatinum
The invention provides a heat-sensitive photocatalysis spray gel that is prepared from the following components in parts by weight: 2-4 parts of a photocatalytic material, 0.025-0.05 part of sodium alginate, 5-10 parts of heat-sensitive cellulose and 500-1000 parts of deionized water, wherein the photocatalytic material is chitosan-loaded platinum and iodine co-doped modified titanium dioxide nanopowder; the invention also provides a preparation method, which comprises the following steps: respectively adding sodium alginate and heat-sensitive cellulose into deionized water with the temperature of 80-100 DEG C, uniformly stirring, naturally cooling to room temperature, mixing, adding the photocatalytic material into the mixed solution, mixing, and carrying out ultrasonic dispersion to obtain the heat-sensitive photocatalytic spray gel. According to the invention, the thin film formed after spraying is good in stability and not prone to crystallization, fragmentation and falling off; when recycling is needed, hot water can be used for making contact with the thin film to make the thin film become a hydrogel state, the thin film can be easily and completely recycled from the surfaceof an object, the surface of the object cannot be damaged, and the indoor PM2.5 purification effect is remarkable.
Owner:HANGZHOU VOCATIONAL & TECHN COLLEGE
Water reuse device and treatment method for purifying sewage in vertical subsurface flow artificial wetland
InactiveCN104150702BEfficient removalAchieve photocatalytic effectMultistage water/sewage treatmentConstructed wetlandUltrafiltration
The invention provides a reclaimed water reusing device for purifying sewage by utilizing a vertical subsurface flow constructed wetland. The device comprises a grillage machine, the vertical subsurface flow constructed wetland, a nano aerated coagulation-micro-vortex flocculation device, a three-stage backwashing and screening device and an ultrafiltration device. The invention also discloses a method for treating sewage by utilizing the device. By adopting the device, advanced oxidation treatment can be carried out on the clarified sewage, so that the treatment efficiency and treatment capacity are improved, the processing properties are optimized and the effluent quality is improved while the operating cost is reduced; the removal rates of bacteria and pathogens in the sewage are high, the aromatic fulvic acid substances in the treated sewage are reduced by more than 95% and the turbidity of the sewage is reduced by 99%, so that the effluent has high quality and transparency, thus avoiding the threats to body health after the effluent is discharged into water bodies.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
A device and method for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis
ActiveCN104230096BImprove biodegradabilityExtended service lifeMultistage water/sewage treatmentThree levelFlocculation
The invention provides a device for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis. The device mainly comprises a nano-micro-electrolytic tank, an aerobiotic biomembrane reactor, a nano-aeration agglomeration-micro-vortex flocculation device and a three-level backflush screening device. The invention further discloses a method for treating sewage by utilizing the device. The device has the advantages of wide application range, high reacting speed, simple process flow, long service life, little investment cost, low operation cost, stable treatment effect and high effluent quality transparency, and is convenient to operate and maintain.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
A device and method for advanced treatment of tertiary effluent of sewage
InactiveCN104150657BLarge amount of processingGood removal effectMultistage water/sewage treatmentThree levelUltrafiltration
The invention relates to a sewage three-level effluent advanced treatment device. The device mainly comprises a coagulating basin, wherein the upper end of the coagulating basin is connected with a chemical dosing device, the water outlet of the coagulating basin is connected with a surface turbulence filtering device, the water outlet of the surface turbulence filtering device is connected with a photocatalytic degradation reaction device, the water outlet of the photocatalytic degradation reaction device is connected with a secondary nanometer aeration advanced oxidation device, and the water outlet of the secondary nanometer aeration advanced oxidation device is connected with an ultrafiltration device. The invention also discloses a sewage three-level effluent advanced treatment method.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Preparation method and application of magnetic heterojunction catalyst for peroxymonosulfate activation
PendingCN113976146APromote migrationAdd migration pathPhysical/chemical process catalystsWater/sewage treatment by irradiationPtru catalystThiourea
The invention discloses a preparation method and application of a magnetic heterojunction catalyst for peroxymonosulfate activation, and relates to the technical field of photocatalysis. The specific preparation method comprises the following steps: (1) preparing CoFe2O4 from CoCl2.6H2O and FeCl3.6H2O through a coprecipitation method; (3) mixing CoFe2O4 and water to obtain a suspension A; dissolving sodium molybdate (Na2MoO4.2H2O) and thiourea (CSN2H4) in water to form a mixed solution B, dropwise adding the mixed solution B into the suspension A, adjusting the pH value of the reaction solution to 3.0, and stirring for 30-40 minutes to obtain a precursor solution; and (4) reacting the precursor solution at 200 DEG C for 24 hours, and centrifugally washing and drying to obtain the magnetic heterojunction catalyst. The preparation process is simple and easy to control, and the prepared product is high in purity and high in degradation efficiency when being applied to photocatalytic degradation of norfloxacin.
Owner:LIUPANSHUI NORMAL UNIV
A treatment device and treatment method for sewage treatment and reuse
InactiveCN104150704BDurable and safe disinfection and degradationSimple processMultistage water/sewage treatmentConstructed wetlandSurface layer
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Device and method for rapid treatment of kitchen waste wastewater
ActiveCN104193082BPrevent rotReduce processing timeMultistage water/sewage treatmentFlocculationCavitation
The invention discloses a device for rapidly treating kitchen waste wastewater. The device mainly comprises a cavitation air floatation device, a first-stage turbulent flow nano-aeration backwash filter, a bio-membrane reactor, a flocculation tank, a second-stage turbulent flow nano-aeration backwash filter and a girt chamber. The invention also discloses a method for treating kitchen waste wastewater by using the device. The problems of high kitchen waste wastewater output, high treatment difficulty and long reaction period are effectively solved by mainly using a mechanical method and accessorily using a biological method according to the concept that the kitchen waste wastewater is rapidly treated, the wastewater treatment time is shortened, the generated wastewater can be rapidly discharged up to the standard, and the aims of reduction, harmlessness and recycling of the kitchen waste wastewater are realized.
Owner:张列宇
A photocatalytic air purifier
ActiveCN110193284BHigh activityImprove air purification effectGas treatmentDispersed particle separationPtru catalystAir purifiers
Owner:山东吉特工业科技股份有限公司
A three-stage deep rapid purification device and purification method for heavy metals in groundwater
InactiveCN104150697BReduce concentrationAchieve photocatalytic effectMultistage water/sewage treatmentPlant rootsPurification methods
The invention discloses a three-level deep rapid purification device for heavy metals in underground water. Suspended solids and colloids in underground water are removed through an advanced oxidation screening system, a three-level deep purification system is established by using a surface repair system, and a primary absorption layer is established by utilizing a large plant root system; a secondary enrichment layer is established by utilizing a red mud mesoporous molecular sieve and activated carbon; a third-level net fishing layer is established by utilizing a coal ash molecular sieve, zero-valent nano-iron and a nano aeration mechanism, heavy metals in the underground water are subjected to three-level deep purification, and the concentration content of the heavy metals is close to zero due to three-level purification. Meanwhile, according to the system, secondary pollution is avoided, fixed heavy metals in the treatment process are continuously absorbed by plants, the concentration and content of the heavy metals in the underground water can be rapidly reduced due to treatment, and the system is effective for a long time.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
A device and method for advanced treatment of livestock and poultry wastewater in a three-layer trickling filter
ActiveCN104176877BEasy to handleFast and effective processingMultistage water/sewage treatmentGeneration rateIon exchange
The invention relates to a method for the deep treatment of livestock and poultry wastewater by using a three-layer trickling filter. According to the method, the livestock and poultry wastewater enters from a charging opening of a centrifuge, suspensions of different densities are subjected to sedimentation layering, and separated sewage enters the trickling filter; water distribution is carried out in the trickling filter by a rotating water distribution disc, the sewage is firstly subjected to aerobic treatment by a biological annular layer, pollutants in the sewage are then subjected to physical adsorption and ion exchange by a molecular sieve layer, the sewage is subjected to retreatment by a gravel layer and water leading, then, the sewage is subjected to precipitation in a precipitation layer, and precipitated sewage is led into an eddy-flow-sieving purification pool under the action of a hydraulic pump; in the eddy-flow-sieving purification pool, more hydroxyl radical.OHs are generated by a nanoscale O3 bubble and ultraviolet sterilizing lamp and a semiconductor loaded filler, so that the O3 oxygenolysis of organic matters is enhanced, the advanced oxidation effect is improved, the generation rate of.OH is effectively increased, and the treatment process is completed. The invention further discloses a device for implementing the method.
Owner:GUANGZHOU HOMELAND ENVIRONMENTAL ENG
A treatment device and treatment method for high-concentration refractory organic wastewater
ActiveCN104193074BLarge amount of waterReduce loadMultistage water/sewage treatmentConstructed wetlandHigh concentration
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
A device and method for deep purification treatment of biological turntable effluent
InactiveCN104150695BIncrease oxygen contentImprove biodegradabilityMultistage water/sewage treatmentFlocculationThree stage
Owner:席北斗
A device and method for purifying sewage in a horizontal subsurface flow constructed wetland
InactiveCN104150689BHigh transparencyEasy to handleMultistage water/sewage treatmentConstructed wetlandHazardous substance
The invention provides a device for purifying sewage by utilizing a horizontal subsurface flow constructed wetland. The device comprises a horizontal spiral discharge sedimentation centrifuge, the horizontal subsurface flow constructed wetland, a nano aerated coagulation-micro-vortex flocculation device and a three-stage backwashing and screening device. The invention also discloses a method for treating the sewage by utilizing the device. The device has high treatment intensity, can adapt to sewage with different hydraulic loads, has better treatment effects on the sewage with higher volatility, deeply removes organic suspended substances and impurities in water, adsorbs inorganic harmful substances, simultaneously oxidizes residual toxic pollutants into low-toxicity or nontoxic small molecular substances, reduces the operating cost and improves the effluent effects.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Nano-aeration coagulation-stirring flocculation device and method for purifying biologically treated sewage
InactiveCN104150656BIncrease collisionPromote mutual collision and cohesionMultistage water/sewage treatmentFlocculationThree stage
The invention provides a device for purifying biologically treated sewage through nano aerated coagulation-stirred flocculation. The device mainly comprises a nano aerated coagulation-micro-vortex flocculation device, a three-stage backwashing and screening device and an outlet sump. The invention also discloses a method for treating the sewage by utilizing the device. The device has the effects of optimizing the flocculation efficiency, reducing the reagent consumption, shortening the reaction time, effectively removing pathogenic bacteria and trace organic matters in the sewage and improving the effluent quality and has the removal rate of 100%.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
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