| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 06/15/2011 | CN102092903A Process for treating and recycling di-tertiary-butyl peroxide production waste water |
| 06/15/2011 | CN102092902A Treatment and reclamation process of production waste water of tert-amyl peroxypivalate |
| 06/15/2011 | CN102092901A Bio-augmentation treatment system for coking wastewater |
| 06/15/2011 | CN102092900A Method for treating micro polluted water by using biological nitrogen removal and physicochemical enhanced phosphorus removal combined process |
| 06/15/2011 | CN102092899A System and method for removing natural organic substances and odor-induced substances in micro polluted water |
| 06/15/2011 | CN102092898A Efficient denitrification, dephosphorization, denitrification and phosphorus resource recycling process for urban sewage |
| 06/15/2011 | CN102092897A Method for deep purifying domestic waste water of residential area into reclaimed water |
| 06/15/2011 | CN102092896A Double-film bioreactor |
| 06/15/2011 | CN102092895A Method for treating industrial waste water based on combination of secondary biochemistry process and primary physico-chemical process |
| 06/15/2011 | CN102092894A Technological method for improving biodegradability of papermaking wastewater |
| 06/15/2011 | CN102092893A Excess sludge decrement method based on cooperation of ultrasonic pretreatment and membrane bioreactor |
| 06/15/2011 | CN102092892A Treatment method of production wastewater of vitamin C and derivatives of vitamin C |
| 06/15/2011 | CN102092891A Riverside combined pond technology and system used for water purification of polluted river |
| 06/15/2011 | CN102092890A Method for treating waste water in ABS (Acrylonitrile Butadiene Styrene) coagulation and drying procedure |
| 06/15/2011 | CN102092889A Method for lake purification and water ecological environmental renovation |
| 06/15/2011 | CN102092888A Processing technique for treating rubber block processing wastewater of rubber latex processing plant |
| 06/15/2011 | CN102092887A Treatment system and method for industrial waste water with high concentration of salt |
| 06/15/2011 | CN102092886A Combined sewage treatment method for oil field |
| 06/15/2011 | CN102092885A Water purification method for landscape water |
| 06/15/2011 | CN102092884A Operation method and device of magnetic flocculation-membrane filtration |
| 06/15/2011 | CN102092883A Method for treating DMP-30 wastewater |
| 06/15/2011 | CN102092882A Method and device for recycling steam condensate |
| 06/15/2011 | CN102092881A Portable field water purifier for squad or platoon |
| 06/15/2011 | CN102092880A Process for freezing and denitriding primary brine with membrane method in polyvinyl chloride production |
| 06/15/2011 | CN102092879A Dye wastewater cyclic utilization device and method based on electrolysis and lamination technologies |
| 06/15/2011 | CN102092878A Treatment method of heavy metal organic industrial waste water |
| 06/15/2011 | CN102092877A System for comprehensively recycling waste water |
| 06/15/2011 | CN102092876A Treatment method of waste water discharged by silicon carbide micro powder production device |
| 06/15/2011 | CN102092875A Wastewater treatment method |
| 06/15/2011 | CN102092874A Equipment for recycling stainless steel neutral salt waste electrolyte |
| 06/15/2011 | CN102092873A Method for preparing Cr6+ collecting agent with high selectivity |
| 06/15/2011 | CN102092872A Method for recycling stainless steel neutral salt electrolysis waste solution |
| 06/15/2011 | CN102092871A Method for reclaiming nitrogen and phosphorus in nitrogen and phosphorus-containing wastewater by using bittern as magnesium source |
| 06/15/2011 | CN102092870A Sewage treatment equipment and process for concentration/chemical oxidation regeneration of absorbent |
| 06/15/2011 | CN102092869A Processing method of waste acid in acid producing system |
| 06/15/2011 | CN102092868A High-concentration oily wastewater treatment system |
| 06/15/2011 | CN102092867A Recycling method and device of gas tower section wastewater of oil shale dry distillation system |
| 06/15/2011 | CN102092866A Pressure driven multifunctional membrane separation device and separation technology thereof |
| 06/15/2011 | CN102092844A Lantern type biological filler unit module and lantern type biological trickling filter |
| 06/15/2011 | CN102092821A Application method of high-property activated carbon fibers in treatment of industrial waster water by electrocoagulation |
| 06/15/2011 | CN102090698A Aerated medical stone mineral water and preparation method thereof |
| 06/15/2011 | CN101781045B Recycling and treating method for mine water containing suspended substances |
| 06/15/2011 | CN101759316B Method for treating wastewater containing molasses alcohol |
| 06/15/2011 | CN101744532B Water dispenser with ferro-manganese purification function |
| 06/15/2011 | CN101723531B Treatment and reuse method of purified terephthalic acid refining wastewater |
| 06/15/2011 | CN101708922B Denitrification dephosphorizing reactor |
| 06/15/2011 | CN101704613B Rural sewage ecological purification recycling device |
| 06/15/2011 | CN101704606B Treatment method of waste water containing organic phosphorus |
| 06/15/2011 | CN101704590B Self-discharging cylinder micro/nano-grade sieve air-flotation system for sewage treatment |
| 06/15/2011 | CN101693585B Septic tank-artificial wetland rural sewage courtyard type landscape treating device |
| 06/15/2011 | CN101691264B Sewage treatment method of bamboo charcoal cylindrical sludge quality modifier and cylindrical quality modifier thereof |
| 06/15/2011 | CN101671087B Method for recovering reagent grade sodium nitrate from waste liquid of bismuth subnitrate production |
| 06/15/2011 | CN101665299B Water purifier for SPF laboratory animal drinking water |
| 06/15/2011 | CN101570373B Vehicle flowing-type integrated treatment facility for percolate in townrefuse landfill |
| 06/15/2011 | CN101560044B Treatment method of waste water in hydroxybenzoic acid production |
| 06/15/2011 | CN101560029B Simple drinking water production method under coal mine |
| 06/15/2011 | CN101544429B Extraction-hyperfiltration-reverse osmosis combined method for treating PTA refined wastewater |
| 06/15/2011 | CN101514064B Biological denitrification device of sequencing batch internal circulation biological denitrification process |
| 06/15/2011 | CN101503261B Technique for advanced treatment and recovery for seafood processing wastewater |
| 06/15/2011 | CN101486518B Fenton-like-fluidized bed sewage processor and sewerage treating method therefor |
| 06/15/2011 | CN101475909B Method for cultivating halophilic bacteria and method for treating salting wastewater by using halophilic bacteria cultivated thereby |
| 06/15/2011 | CN101475284B Domestic sewage treatment process and apparatus |
| 06/15/2011 | CN101462810B Plasticiser sewage treatment technique |
| 06/15/2011 | CN101456647B Automobile manufacturer wastewater treatment method |
| 06/15/2011 | CN101391800B Method for producing basic copper chloride, cupric sulfate pentahydrate from copper-containing etching waste liquid |
| 06/15/2011 | CN101357811B Organic waste water recovery and utilization apparatus |
| 06/15/2011 | CN101326900B Device for industrially producing Procambarus clarki with roe and production process |
| 06/15/2011 | CN101172744B Process method and device for dimethyl ether production wastewater recycled for cooling water |
| 06/09/2011 | WO2011068327A2 Method for treating wastewater containing heavy metals and highly concentrated total nitrogen generated during the production of a positive electrode active material precursor for a secondary battery |
| 06/09/2011 | WO2011068317A2 Method for treating wastewater produced during the manufacture of nitro compounds |
| 06/09/2011 | WO2011066791A1 Waste water treatment equipment |
| 06/09/2011 | WO2011066623A1 Water disinfection by ultraviolet radiation in solar energy |
| 06/09/2011 | US20110132840 System and Method for using Carbon Dioxide Sequestered from Seawater in the Remineralization of Process Water |
| 06/09/2011 | US20110132839 Sulfate removal from water sources |
| 06/09/2011 | DE202011003127U1 Anlage zur Aufbereitung von Schwimmbeckenwasser Plant for the treatment of swimming pool water |
| 06/09/2011 | DE202011003094U1 Gerät zur umfassenden Pflege von Trink-, Prozess- und Kühlwassersystemen. Device for comprehensive care of drinking water, process water and cooling water systems. |
| 06/09/2011 | DE202011000721U1 Filteranlage für ein Schwimmbad Filter system for a swimming pool |
| 06/09/2011 | CA2780724A1 Sewage treatment apparatus with flocculation reaction chamber |
| 06/08/2011 | CN201857328U Oxidation ditch |
| 06/08/2011 | CN201857327U Composite integral biological membrane reactor for domestic sewage treatment |
| 06/08/2011 | CN201857326U Rotary-liquid solid-liquid separation type SBR (Sequencing Batch Reactor Activated Sludge Process) domestic sewage treatment device |
| 06/08/2011 | CN201857325U Integrated equipment for treating decentralized domestic sewage |
| 06/08/2011 | CN201857324U Ecological domestic sewage treatment system |
| 06/08/2011 | CN201857323U Simple device for treating waste water by combination of hydrolytic acidification and aerobic oxidation |
| 06/08/2011 | CN201857322U Comprehensive treatment system for ballast water of ship |
| 06/08/2011 | CN201857321U Water treatment device for emulsion adhesive |
| 06/08/2011 | CN201857320U Purification treatment system for filed water sources |
| 06/08/2011 | CN201857319U Portable drinking water purifying device |
| 06/08/2011 | CN201857318U Urine purification device used in toilet |
| 06/08/2011 | CN201857317U Reverse osmosis recovery system for concentrated water |
| 06/08/2011 | CN201857316U Integral water purifier |
| 06/08/2011 | CN201857315U Direct water dispenser capable of sterilizing reverse osmosis membrane |
| 06/08/2011 | CN201857314U Directly drinkable water dispenser without front activated carbon filtering element |
| 06/08/2011 | CN201857313U Efficient deoiling separating device for treating high-strength oil-contained waste water of hot rolling |
| 06/08/2011 | CN102089247A Integrated electrolytic and chemical method for producing clean treated water wherein cyanide species concentration is less than 1 milligram per liter |
| 06/08/2011 | CN102089052A Apparatus and method for mechanical deaeration |
| 06/08/2011 | CN102086081A Deep purification method for standard or non-standard waste water in existing waste water station before entering reverse osmosis (RO) membrane |
| 06/08/2011 | CN102086080A Water treatment method and device based on photoautotroph film |
| 06/08/2011 | CN102086079A Domestic sewage zero emission treatment method and system |
| 06/08/2011 | CN102086078A Method for treating and recycling waste water of steel plants |