| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/27/2013 | CN202829730U Reverse osmosis water purification device |
| 03/27/2013 | CN202829729U Ultrafiltration membrane water purifier with automatic pollution discharge and rotational flow sand removal functions |
| 03/27/2013 | CN202829728U Mineralization, activation and weak-alkalization system |
| 03/27/2013 | CN202829727U Movable membrane filtration device used to hot spring pond and exercising therapy pond |
| 03/27/2013 | CN202829726U Concrete waste water and waste residue separating device |
| 03/27/2013 | CN202829725U Small size manual type high pressure sea water desalting device |
| 03/27/2013 | CN202829724U Multifunctional water treatment device |
| 03/27/2013 | CN202829723U Purified water direct drinking machine |
| 03/27/2013 | CN202829722U Device for removing pollutants from rainwater runoff |
| 03/27/2013 | CN202829721U Household water filter used in rural area |
| 03/27/2013 | CN202823673U Temperature control colorful light-emitting diode (LED) sprinkler |
| 03/27/2013 | CN202822974U Sewage treatment device |
| 03/27/2013 | CN202822938U Filter and filtration system using the same |
| 03/27/2013 | CN102999019A Seawater desalination plant system |
| 03/27/2013 | CN102992555A Method for wastewater treatment by using mechanical compression evaporation crystallizer system |
| 03/27/2013 | CN102992554A Dephosphorization treating method for domestic waste water from cities and towns |
| 03/27/2013 | CN102992553A Method for comprehensively treating and utilizing dissolving pulp black liquor |
| 03/27/2013 | CN102992552A Internal carbon source-oxygen enrichment stair combination constructed wetland engineering reactor |
| 03/27/2013 | CN102992551A Method for treating high-concentration wastewater efficiently |
| 03/27/2013 | CN102992550A Mudpack coupled duplex integrated high rate anaerobic reactor and application thereof |
| 03/27/2013 | CN102992549A Multilevel wetland purification system based on ecological base flow regulation |
| 03/27/2013 | CN102992548A Method for treating low-temperature slaughter wastewater |
| 03/27/2013 | CN102992547A Automatic sewage treatment system |
| 03/27/2013 | CN102992546A Sewage treatment equipment and method |
| 03/27/2013 | CN102992545A Process for compressively treating dyeing wastewater through lithium-bromide absorption type heat pump technology |
| 03/27/2013 | CN102992544A Method and device for double-sectional treatment of nitrate-polluted drinking water through modified activated sludge |
| 03/27/2013 | CN102992543A Method and device for biochemically removing nitrate in drinking water |
| 03/27/2013 | CN102992542A Method for treating heavy-nitrogen mother solution generated from production of dinitrodiazophenol |
| 03/27/2013 | CN102992541A Method for simultaneously extracting iodine and fucoidin from salted kelp blanching wastewater |
| 03/27/2013 | CN102992540A Purification method of high-turbidity seawater and application thereof |
| 03/27/2013 | CN102992539A Method for treating high-concentration ammonia-nitrogen landfill leachate |
| 03/27/2013 | CN102992538A Liquamatic biological rotating disc reaction tank and biological rotating disc treating system |
| 03/27/2013 | CN102992537A Sewage treatment system |
| 03/27/2013 | CN102992536A Sewage treatment mechanism |
| 03/27/2013 | CN102992535A Treatment method enabling drilling wastewater of petroleum and natural gas to meet standard on scene |
| 03/27/2013 | CN102992534A Paint wastewater treatment method |
| 03/27/2013 | CN102992533A Paint wastewater treatment system |
| 03/27/2013 | CN102992532A Air type immersing distillation-multiple-effect evaporation seawater desalting device and method |
| 03/27/2013 | CN102992531A Wastewater flash evaporation desalination device and method |
| 03/27/2013 | CN102992530A Solar sewage treating station |
| 03/27/2013 | CN102992529A Sewage treater |
| 03/27/2013 | CN102992528A Oil and gas field high-salt-content waste water integral processing method |
| 03/27/2013 | CN102992527A Method for pre-treating high-concentration and non-degradable organic wastewater |
| 03/27/2013 | CN102992526A Method for removing zinc and acid from zinc electrolyzing waste water |
| 03/27/2013 | CN102992525A Device and method thereof for recycling PVA (Polyvinyl Acetate) from desizing wastewater |
| 03/27/2013 | CN102992524A Fracturing flowback fluid treatment method |
| 03/27/2013 | CN102992523A Reverse osmosis concentrated wastewater treatment method |
| 03/27/2013 | CN102992522A Desalination system and method |
| 03/27/2013 | CN102992521A Desalination system and method |
| 03/27/2013 | CN102992520A Bacteria over-proof water direct-drinking device |
| 03/27/2013 | CN102992519A Industrial sewage treatment device |
| 03/27/2013 | CN102992518A Treatment method of fluoride wastewater |
| 03/27/2013 | CN102992517A Electroplating wastewater self-overflow treatment method and system |
| 03/27/2013 | CN102992516A Treatment system for high-salt organic waste water and process thereof |
| 03/27/2013 | CN102992515A Method for treating highly saline atrazine production waste water |
| 03/27/2013 | CN102992514A Treatment and recovery process for high-sulfur and high-salt pesticide wastewater |
| 03/27/2013 | CN102992513A Method for producing ferric salt-series purifiers by recycling and comprehensive utilizing stainless steel waste etching solution |
| 03/27/2013 | CN102992512A Treatment method of industrial wastewater |
| 03/27/2013 | CN102992511A Sewage treating device |
| 03/27/2013 | CN102992510A Sewage treatment tank |
| 03/27/2013 | CN102992509A Method for controlling pH of industrial cooling water circulation system |
| 03/27/2013 | CN102992508A Volatile organic compound contaminated groundwater restoration method |
| 03/27/2013 | CN102992507A Oil and gas field high-sulfur-content waste water processing method |
| 03/27/2013 | CN102992506A Cyclohexanone ammoximation biochemical wastewater decoloring and processing method |
| 03/27/2013 | CN102992505A High-arsenic acidic wastewater treatment method |
| 03/27/2013 | CN102992504A Technology for lowering degree of mineralization of oily sewage in oil field |
| 03/27/2013 | CN102992503A Water purifier and water purifying method |
| 03/27/2013 | CN102992502A Method for recovering low-concentration dimethylacetamide waste water |
| 03/27/2013 | CN102992501A Active carbon adsorption tank |
| 03/27/2013 | CN102992456A Liquid treatment methods and apparatus |
| 03/27/2013 | CN102992430A Method for reducing ammoximation COD |
| 03/27/2013 | CN102992354A Treatment technology for waste water generated in scorch retarder production process |
| 03/27/2013 | CN102989717A On-line waste water reusing method in pre-cleaning working procedure |
| 03/27/2013 | CN102989230A Water purifier or water purifying plant with circulating filtration function of filter elements and manufacturing method |
| 03/27/2013 | CN102987913A High water quality heating type water dispenser |
| 03/27/2013 | CN102531236B Treating method of arsenic in waste acid |
| 03/27/2013 | CN102531219B Efficient low-loss wastewater advanced treatment device |
| 03/27/2013 | CN102515398B Method for treating domestic sewage of compound ship |
| 03/27/2013 | CN102503031B Treatment technique of coking desulfurization liquid waste |
| 03/27/2013 | CN102503004B Process for treating jet weaving wastewater |
| 03/27/2013 | CN102432130B Leachate and concentrated solution treatment method for refuse landfill |
| 03/27/2013 | CN102424499B Large movable water purifying system for enclosed water area |
| 03/27/2013 | CN102381817B System for processing waste water generated in acrylamide production and processing method thereof |
| 03/27/2013 | CN102381776B Catalytic hydrogenation desorption method for oxygenated compound in Fischer-Tropsch synthesized water phase and application thereof |
| 03/27/2013 | CN102358656B Residual ammonia water degreasing method |
| 03/27/2013 | CN102344220B Method for treating metronidazole waste water |
| 03/27/2013 | CN102342259B Water circulation treatment system of outdoor high-level shrimp tank |
| 03/27/2013 | CN102329043B Method for treating and printing and dyeing wastewater by using hydrolysis tank |
| 03/27/2013 | CN102329030B Treatment method of chemical nickel-plating wastewater |
| 03/27/2013 | CN102295387B Device and method for processing high-density landfill leachate |
| 03/27/2013 | CN102295370B Treating system and method for waste liquid generated in washing of soil polluted by polycyclic aromatic hydrocarbons |
| 03/27/2013 | CN102249501B Device and method for treating wastewater produced by hair-product manufacturing |
| 03/27/2013 | CN102249443B Method for recycling chromium from chromium passivation wastewater of electrolytic manganese factory |
| 03/27/2013 | CN102229806B Green circular economy technology with coal coking as the main part |
| 03/27/2013 | CN102105411B Mobile water purification system and method |
| 03/27/2013 | CN102060415B Method for treating domestic waste leachate tail water in adsorption-coagulation way |
| 03/27/2013 | CN101973654B Method for reducing dosage and discharge of flushing liquor for device of removing heat stable salts in solvent |
| 03/27/2013 | CN101863546B Multistage inclined tube or sloping plate sedimentation tank |
| 03/27/2013 | CN101580309B Method of treating wastewater containing organic compound |
| 03/27/2013 | CN101508494B Processing waste liquid treating apparatus |