| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/20/2011 | CN201801424U Water purifier |
| 04/20/2011 | CN201801423U Oil-water separating device for kitchen waste swill |
| 04/20/2011 | CN201798655U Novel shower room |
| 04/20/2011 | CN201797840U Bath swimming pool for waterfowl breeding |
| 04/20/2011 | CN102026924A Apparatus for treating wastewater, particularly wastewater originating from a process for the production of photovoltaic cells |
| 04/20/2011 | CN102021004A Circulating water utilization device and method of cooling tower section of oil shale dry distillation system |
| 04/20/2011 | CN102020552A Method of using electrically driven membrane separation technology for the recycle of acrylic acid from wastewater generated in production of acrylic acid ester |
| 04/20/2011 | CN102020402A Energy-saving sewage treatment method by membrane biological reactor (MBR) process |
| 04/20/2011 | CN102020401A An anti-impact load livestock farm sewage treatment device and treatment method thereof |
| 04/20/2011 | CN102020400A Medium and small town centralized domestic sewage treatment method and device |
| 04/20/2011 | CN102020399A U-shaped overflow soil filtration treatment device for domestic sewage |
| 04/20/2011 | CN102020398A Purified water processing method and processing device |
| 04/20/2011 | CN102020397A Circular attaching-suspending microorganism sewage purification system |
| 04/20/2011 | CN102020396A Method for treating domestic sewage |
| 04/20/2011 | CN102020395A Decentralized sewage treatment method |
| 04/20/2011 | CN102020394A Sewage treatment system |
| 04/20/2011 | CN102020393A Composite artificial wetland denitrifying and dephosphorizing device for surface flow-vertical underflow-two level surface flow |
| 04/20/2011 | CN102020392A Dyeing reclaimed water recycling process and equipment |
| 04/20/2011 | CN102020391A Novel process for coking wastewater treatment |
| 04/20/2011 | CN102020390A Magnetoelectric nanofiltration sewage purification system and purification process |
| 04/20/2011 | CN102020389A Process for recycling ammonium chloride waste water |
| 04/20/2011 | CN102020388A Recycling process of garbage fly ash ash-washing water |
| 04/20/2011 | CN102020387A Treatment method of zinc hydrometallurgy waste water |
| 04/20/2011 | CN102020386A Multifunctional drinking water producing equipment and water treatment process |
| 04/20/2011 | CN102020385A Method for treating electroplate rinsing wastewater |
| 04/20/2011 | CN102020384A Method for handling organic wastewater based on Fenton reaction |
| 04/20/2011 | CN102020383A Bipolar membrane-reverse osmosis method sea water desalination and integrated treatment method |
| 04/20/2011 | CN102020382A Treatment method of industrial waste water containing diazodinitrophenol |
| 04/20/2011 | CN102020381A Wastewater treatment process of aquatic products |
| 04/20/2011 | CN102020380A Sewage treatment device and process |
| 04/20/2011 | CN102020379A Incoming water pretreatment method of nano-filter membrane |
| 04/20/2011 | CN102020378A Purification and decoloration process method of concentrated brine |
| 04/20/2011 | CN102020377A Method for treating collophanite positive and reverse flotation beneficiation wastewater |
| 04/20/2011 | CN102020376A Method for removing algae using chlorine dioxide and device thereof |
| 04/20/2011 | CN102020375A Equipment for reclaiming lead acid battery waste water |
| 04/20/2011 | CN102020374A Method for recycling waste water of lead-acid storage battery |
| 04/20/2011 | CN102020373A Process for treating phosphate coating wastewater of steel pipes |
| 04/20/2011 | CN102020372A Ozone water purifying method capable of reducing and eliminating bromates |
| 04/20/2011 | CN102020371A Vehicle-washed waste water treatment method and equipment for small-sized vehicle washing station |
| 04/20/2011 | CN102020370A Sewage advanced treatment method and device thereof |
| 04/20/2011 | CN102020369A Desulfuration waste water treatment process |
| 04/20/2011 | CN102020368A Mixed liquor separating method and separator used for wastewater treatment |
| 04/20/2011 | CN102020367A Membrane filtration system |
| 04/20/2011 | CN102020366A Method and device for deeply removing aniline from water |
| 04/20/2011 | CN102020365A Multi-functional integrated water purifier |
| 04/20/2011 | CN102019169A Regeneration method of activated carbon in organosilicon wastewater treatment |
| 04/20/2011 | CN101798154B Method for processing wastewater produced in saponification cyclization step in epoxy chloropropane production method |
| 04/20/2011 | CN101736159B Method for recovering gold from alkaline waste water |
| 04/20/2011 | CN101704616B Bioactive percolated domestic sewage treatment device |
| 04/20/2011 | CN101698548B Combined treatment method for ship ballast water |
| 04/20/2011 | CN101698529B Method for removing nitrate of surface water |
| 04/20/2011 | CN101691260B Unpowered quantitative dosing and mixed wastewater treatment device and use and adjustment methods thereof |
| 04/20/2011 | CN101690860B Manganese composite filter material and manufacturing method thereof |
| 04/20/2011 | CN101665294B Method and equipment for carrying out deamination treatment on high-concentration wastewater containing ammonia nitrogen |
| 04/20/2011 | CN101659482B Method for treating alkaline surfactant polymer flooding oil-field wastewater |
| 04/20/2011 | CN101628773B Treatment process of copper-iron-contained high-concentration acidic mine wastewater |
| 04/20/2011 | CN101613161B Method for treating and using sintering flue gas desulphurization wastewater and special device thereof |
| 04/20/2011 | CN101597120B Micro-aerated biological filter |
| 04/20/2011 | CN101597115B Self-cleaning iron ion removing separation device |
| 04/20/2011 | CN101580329B Device for anaerobic removal of organic matters in municipal sewage and denitrification of autotrophic organism and method |
| 04/20/2011 | CN101580323B Treatment method of cellulose ethanol production wastewater |
| 04/20/2011 | CN101575159B Method of intensified denitrification and dephosphorization of urban sewage |
| 04/20/2011 | CN101570383B Advanced nitrogen and phosphorus removal device and process control method thereof |
| 04/20/2011 | CN101555084B Treatment method for rural sewage based on three-grid septic tank |
| 04/20/2011 | CN101544381B Method for producing ammonium sulphate by waste water produced in alpha naphthol production |
| 04/20/2011 | CN101519886B Sewage recovery device |
| 04/20/2011 | CN101519250B Emulsifiable solution waste water processing method |
| 04/20/2011 | CN101503268B Zero discharge processing EBM method for dyeing waste water |
| 04/20/2011 | CN101481188B Treating method for phenolic waste water of gas producer gas station |
| 04/20/2011 | CN101475275B Water recovery processing system and water recovery processing method |
| 04/20/2011 | CN101432454B Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 04/20/2011 | CN101428936B Treatment process for suspended matter-containing wastewater |
| 04/20/2011 | CN101386454B Zn-containing cyanide barren solution three-step sedimentation processing technology |
| 04/20/2011 | CN101306906B Method for treating micro-polluted water |
| 04/20/2011 | CN101264993B Sulphur black dyestuff waste liquid decolor waste slag treatment method |
| 04/20/2011 | CN101014544B Fluids fluxion-based apparatus for water treatment |
| 04/19/2011 | US7927492 Filter assembly, bioreactor catch basin and method of using the same |
| 04/19/2011 | US7927482 Method and system for containing and removing dental waste |
| 04/19/2011 | CA2372337C In-pipe wastewater treatment system |
| 04/14/2011 | WO2011044143A1 Water bagging system |
| 04/14/2011 | WO2011043686A1 Modular water treatment plant (embodiments) |
| 04/14/2011 | WO2011042885A1 Water filtration and purification method and device for implementing same |
| 04/14/2011 | WO2011042806A1 Process for the purification of an aqueous stream coming from the fischer tropsch reaction |
| 04/14/2011 | WO2011006961A3 Device and method for the mobile, oxidative renovation of highly polluted waste water |
| 04/14/2011 | US20110084020 Novel systems and methods for converting gaseous byproducts of wastewater treatment into energy |
| 04/14/2011 | US20110084012 Hydrocyclone flotation system and water pollution prevention system equipped with the same |
| 04/14/2011 | US20110084006 Uv liquid storage and dispensing device |
| 04/13/2011 | CN201795638U Heat pump system directly using sewage of city main canal |
| 04/13/2011 | CN201793462U Trimethylolpropane industrial waste water treatment system |
| 04/13/2011 | CN201793461U Multi-level anaerobe filter |
| 04/13/2011 | CN201793460U Small-sized sewage treatment station |
| 04/13/2011 | CN201793459U Oxidation ditch used for sewage treatment |
| 04/13/2011 | CN201793458U Sewage treatment system |
| 04/13/2011 | CN201793457U Small-sized integrated sewage treatment system |
| 04/13/2011 | CN201793456U Oily sewage treatment system |
| 04/13/2011 | CN201793455U Multi-coupling bioreactor |
| 04/13/2011 | CN201793454U Particle energy water generating device |
| 04/13/2011 | CN201793453U Water cycle automatic treatment system of baby swimming hall |
| 04/13/2011 | CN201793452U Superfine water treatment device |
| 04/13/2011 | CN201793451U Flowing unboiled water dispenser and water activating pipe thereof |