| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/25/2010 | WO2010135561A2 Method for treatment and purification of seawater to recover high purity sodium chloride for industrial usage |
| 11/25/2010 | WO2010135039A1 Method of inhibiting scale of silica |
| 11/25/2010 | WO2010135020A1 Process for treatment of produced water |
| 11/25/2010 | WO2010134387A1 Process for producing hydrogen-containing water for drinking |
| 11/25/2010 | WO2010133177A1 Landfill leachate wastewater treatment system and process thereof |
| 11/25/2010 | WO2010133151A1 Organic wastewater recycling treatment method |
| 11/25/2010 | WO2010108687A8 Process for producing a biocide aqueous composition from produced water deriving from oil or gas wells and biocide aqueous composition |
| 11/25/2010 | WO2010104476A9 Water treatment method and apparatus |
| 11/25/2010 | US20100297000 Product water from an ozonated capacitive deionization process |
| 11/25/2010 | US20100296999 Ozonated capacitive deionization process |
| 11/25/2010 | US20100294717 Post treatment for desalinated and soft water for balanced water composition supply |
| 11/25/2010 | DE202009009805U1 Vorrichtung zur mobilen Aufbereitung von stark verunreinigtem Abwasser Device for mobile processing of highly contaminated wastewater |
| 11/25/2010 | CA2761702A1 Method of inhibiting scale of silica |
| 11/25/2010 | CA2760869A1 Process for treatment of produced water |
| 11/24/2010 | EP2253594A2 Water purification apparatus and method for using pressure filter and pore-control fiber filter |
| 11/24/2010 | CN201654002U Liquid chromatogram determination system of water-soluble substances |
| 11/24/2010 | CN201648191U Movable flat membrane bioreactor MBR sewage treatment equipment |
| 11/24/2010 | CN201648190U Oily-sewage separation processing device |
| 11/24/2010 | CN201648189U Separating and combining device for regenerating and reclaiming film of electronic industrial wastewater |
| 11/24/2010 | CN201648188U Parallel-connected earthworm biofilter |
| 11/24/2010 | CN201648187U Reusable laundry room sewage processing device |
| 11/24/2010 | CN201648186U Composite membrane bioreactor |
| 11/24/2010 | CN201648185U Multistage return-flow type membrane bioreactor |
| 11/24/2010 | CN201648184U Domestic sewage treatment system for offshore platforms or boats |
| 11/24/2010 | CN201648183U Secondary trickling-filtering system for treating domestic sewage in villages and towns |
| 11/24/2010 | CN201648182U Sewage treatment device without odor generation |
| 11/24/2010 | CN201648181U Pre-denitrification aeration biological filter |
| 11/24/2010 | CN201648180U Pulse superposition purging type membrane biological reaction device |
| 11/24/2010 | CN201648179U Anaerobic baffling integral water purifier |
| 11/24/2010 | CN201648178U Novel sewage anaerobic purification device for residential districts |
| 11/24/2010 | CN201648177U Biological reaction equipment |
| 11/24/2010 | CN201648176U Reclaimed water recycling device |
| 11/24/2010 | CN201648175U Biological treatment magnetic coprecipitation system |
| 11/24/2010 | CN201648174U Integrated grey water treatment device |
| 11/24/2010 | CN201648173U Domestic grey water MBR purification device |
| 11/24/2010 | CN201648172U Efficient energy-saving MBR sewage treatment device |
| 11/24/2010 | CN201648171U Leachate treatment device |
| 11/24/2010 | CN201648170U Ultraviolet water purifier with prepositive or middle pollution discharge and magnetization or mineralization effects |
| 11/24/2010 | CN201648169U Integrative device for purifying and recycling water for culture |
| 11/24/2010 | CN201648168U Water softener |
| 11/24/2010 | CN201648167U Alkalescent micromolecule-group alive water machine |
| 11/24/2010 | CN201648166U Household sterilizing water purifier |
| 11/24/2010 | CN201648165U Variable-frequency intelligent water treater |
| 11/24/2010 | CN201648164U Comprehensive water treatment device |
| 11/24/2010 | CN201648163U Apparatus for desalination of sea water and purification of waste water by using natural energy |
| 11/24/2010 | CN201648162U Special multifunctional water purifying and heating integrated water dispenser for coaches |
| 11/24/2010 | CN201648161U Device recycling salt from waste water with high salt concentration |
| 11/24/2010 | CN201648160U Emulsified oil waste liquid treatment device |
| 11/24/2010 | CN201648159U Square-hook-shaped bevel board assembly for air flotation water purifier |
| 11/24/2010 | CN201648158U Processing and recycling device for industrial wastewater |
| 11/24/2010 | CN201648157U Straight drink machine for making faintly acid and weak alkaline water |
| 11/24/2010 | CN201648156U Mineralization energy bar |
| 11/24/2010 | CN201648155U Water purifier under cabinet with filter material replacement-prompting function |
| 11/24/2010 | CN201648154U Four-effect multi-stage advanced wastewater oxidation reactor |
| 11/24/2010 | CN201648153U Stackable combined and expanded ultrapure water generator |
| 11/24/2010 | CN201648152U Intelligent reverse osmosis mineralization and purification drinking fountain |
| 11/24/2010 | CN201648151U Laundry wastewater treatment device |
| 11/24/2010 | CN201648150U Alkaline copper etchant cyclic regeneration water washer |
| 11/24/2010 | CN201648149U Vacuum cooling circulating water purification device used in pharmaceutical factory |
| 11/24/2010 | CN201648148U Low-energy consumption multistage seawater desalinization system |
| 11/24/2010 | CN201648147U Water recycling system in printing plate production process |
| 11/24/2010 | CN201648146U Integrated cyanogen-bearing wastewater treatment device |
| 11/24/2010 | CN201648145U Portable device for fast preparing drinking water |
| 11/24/2010 | CN201648144U Dual water supply device |
| 11/24/2010 | CN201648143U Pressurizing filter graded backlash water purifying device |
| 11/24/2010 | CN201648142U Multi-functional modularized water purifying device |
| 11/24/2010 | CN201648141U Multiphase separating system for oil-containing wastewater treatment |
| 11/24/2010 | CN201648140U Net mineralization nanofiltration membrane water producer with blowdown control system |
| 11/24/2010 | CN201648139U Pure water production equipment with high recovery ratio |
| 11/24/2010 | CN201648138U Etching liquid purification device |
| 11/24/2010 | CN201648137U Water purifying system capable of supplying water according to quality |
| 11/24/2010 | CN201648136U Device for membrane purification and reutilization of jean mercerization waste lye |
| 11/24/2010 | CN201648135U Home-use water generator |
| 11/24/2010 | CN201648134U Portable purifier |
| 11/24/2010 | CN201648133U Multi-stage biogas slurry purifying pond |
| 11/24/2010 | CN201648132U Sewage purifier |
| 11/24/2010 | CN201648131U External pressure pre-coating inorganic dynamic membrane water treatment device |
| 11/24/2010 | CN201648130U Directly-drinking type water purifier |
| 11/24/2010 | CN201648020U Drinking water machine with video playing function |
| 11/24/2010 | CN201643867U Self-cleaning drainage water purifier |
| 11/24/2010 | CN201641609U Mine explosion-proof and intrinsically safe water boiler |
| 11/24/2010 | CN101894798A Fabrication method of semiconductor integrated circuit device |
| 11/24/2010 | CN101892687A Process and device for collecting, treating and elevating rainwater |
| 11/24/2010 | CN101891699A Method for recovery of insoluble saccharin in acidic wastewater by resin adsorption method |
| 11/24/2010 | CN101891357A Natural power sewage biological purifier |
| 11/24/2010 | CN101891356A Landfill leachate treatment method realizing zero sludge discharge |
| 11/24/2010 | CN101891355A Bio-ecological management and recycling process for natural power point source sewage |
| 11/24/2010 | CN101891354A Process for treating cold rolling wastewater through ozone reaction and activated carbon filtration |
| 11/24/2010 | CN101891353A Advanced treatment method for papermaking waste water |
| 11/24/2010 | CN101891352A Ultrasonic-assisting nitrogen and phosphorus removing process |
| 11/24/2010 | CN101891351A Two-stage anaerobic membrane bioreactor |
| 11/24/2010 | CN101891350A Overflowing rain sewage on-site elimination stepped ecological sewage control structure |
| 11/24/2010 | CN101891349A Hospital sewage processing process |
| 11/24/2010 | CN101891348A Sewage treatment system for water shortage cities and storage and advanced treatment method of sewage and rainwater |
| 11/24/2010 | CN101891347A Energy-saving enhanced nitrogen removal process |
| 11/24/2010 | CN101891346A Discharge-reducing method for biologically treating chemical-mechanical pulping waste water |
| 11/24/2010 | CN101891345A Reinforced simultaneous nitrogen and phosphorus removal sewage treatment equipment and method for municipal sewage with low carbon source at low oxygen concentration |
| 11/24/2010 | CN101891344A Activated sludge-biomembrane combined circulating flow denitrification and desophorization integrated sewage treatment device and method |
| 11/24/2010 | CN101891343A Method for biologically purifying municipal sewage and recovering resources |
| 11/24/2010 | CN101891342A Circulating water culture system |