| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/09/2013 | CN102863096A Method for recovering waste water generated in production of starch sugar |
| 01/09/2013 | CN102863095A Seawater and bitterly-salt water desalting system |
| 01/09/2013 | CN102863094A Swimming pool circulating water treatment system |
| 01/09/2013 | CN102863093A Aluminum fluoride production sewage processing device |
| 01/09/2013 | CN102863092A Method for recycling rain |
| 01/09/2013 | CN102863091A Pure water machine |
| 01/09/2013 | CN102863057A High-phosphorus-containing municipal sewage dephosphorization method |
| 01/09/2013 | CN102503044B Recycling system for treating community wastewater through combining membrane bioreactor and constructed wetland |
| 01/09/2013 | CN102399373B Method for recovering polyvinyl chloride (PVC) particles from PVC centrifuged waste water |
| 01/09/2013 | CN102381780B Method for controlling by-product generation amount in process of water treatment in micro polluted water source by step catalytic oxidation |
| 01/09/2013 | CN102329058B Three-segment biological treatment process and device for sewage |
| 01/09/2013 | CN102329045B Livestock/fowl wastewater biological treatment device |
| 01/09/2013 | CN102320699B Method for destabilization coagulating treatment of well drilling waste liquid |
| 01/09/2013 | CN102276114B Water treatment equipment |
| 01/09/2013 | CN102276105B Low-carbon and low-pollutant-discharging sewage processing system with energy and valuable substance recovering function |
| 01/09/2013 | CN102249499B Method for biochemically treating and discharging refinery wastewater within controlling index of national standard |
| 01/09/2013 | CN102249477B Processing method for oil-water separation of kitchen garbage |
| 01/09/2013 | CN102249442B Method for regenerating and recycling wool dyeing wastewater |
| 01/09/2013 | CN102249436B Method for concentrating CMP (chemi-mechanical pulp) waste liquid by using membrane process |
| 01/09/2013 | CN102219327B Membrane method treatment process for caprolactam waste water |
| 01/09/2013 | CN102206019B Refuse incineration plant percolate treatment system |
| 01/09/2013 | CN102190411B Treatment method for acidic organic chemical wastewater with high COD (chemical oxygen demand) and high concentration sulfate radical |
| 01/09/2013 | CN102010086B Method for treating mercury-containing wastewater with three-section continuous process |
| 01/09/2013 | CN101983941B Electric flocculation-air flotation integrated waste water treatment equipment |
| 01/09/2013 | CN101973680B Integrated A2-O oxidation ditch |
| 01/09/2013 | CN101863564B Drinking water source advanced water treatment method based on resin and zeolite |
| 01/09/2013 | CN101844839B Integral normal water recycling purification treatment equipment |
| 01/09/2013 | CN101837366B Centralized kitchen waste treatment method |
| 01/09/2013 | CN101767912B Method for treating coking biochemical effluent by microwave-oxidation-coagulation technology |
| 01/09/2013 | CN101497485B Portable field direct drink kettle with manual water flowmeter |
| 01/09/2013 | CN101274809B Treatment apparatus for organic wastewater |
| 01/08/2013 | US8351856 Adaptive inductive power supply with communication |
| 01/08/2013 | US8349191 Diffuser/emulsifier for aquaculture applications |
| 01/08/2013 | CA2701786C Method and plant for the treatment of effluents containing nitrogen in a sequencing batch reactor |
| 01/03/2013 | US20130001172 Process for treating waste water utilizing an agitated liquid and electrically conductive environment and electro chemical cell |
| 01/03/2013 | US20130001161 Biological Treatment and Compressed Media Filter Apparatus and Method |
| 01/03/2013 | DE102012011816A1 Filter für Aquarien, Fischteiche, Schwimmbecken, Schwimmteiche odgl. Filters for aquariums, fish ponds, swimming pools, swimming ponds or the like. |
| 01/02/2013 | EP2540678A1 Method and system for ship ballast water treatment |
| 01/02/2013 | EP2540673A1 Ultraviolet oxidation device, ultrapure water production device using same, ultraviolet oxidation method, and ultrapure water production method |
| 01/02/2013 | CN202648131U Energy-saving water recovery system for bathing pool |
| 01/02/2013 | CN202646754U Manual washing valve in pumpless water purifying system |
| 01/02/2013 | CN202644668U Automatic wastewater utilization device |
| 01/02/2013 | CN202644648U Drinking water pipe network pressurizing and pipe network forcing backwater cycling sterilization processing device |
| 01/02/2013 | CN202643846U Etching waste liquid treatment system of printing plate |
| 01/02/2013 | CN202643512U Micro-sludge domestic sewage treatment system |
| 01/02/2013 | CN202643511U Low-carbon seawater staged utilization equipment |
| 01/02/2013 | CN202643510U Photoreactor for wastewater/sewage treatment and wastewater/sewage treatment integrated device |
| 01/02/2013 | CN202643509U Domestic sewage treatment device for boat |
| 01/02/2013 | CN202643508U Multistage A-O intensified denitrification dephosphorization constant water level sequencing batch activated sludge treatment sewage system |
| 01/02/2013 | CN202643507U High-efficiency fluidization-state waste water treatment device without septic tank |
| 01/02/2013 | CN202643506U Biochemical treatment device of petrochemical wastewater |
| 01/02/2013 | CN202643505U Film mud mixture biochemical treatment device of petrochemical sewage |
| 01/02/2013 | CN202643504U Organic solvent desorbed waste water and oil paint waste water treatment device |
| 01/02/2013 | CN202643503U Moderate sewage treatment and recycle device |
| 01/02/2013 | CN202643502U Regenerated papermaking wastewater treatment system |
| 01/02/2013 | CN202643501U Water body filtering purifying circulating system used for aquaculture |
| 01/02/2013 | CN202643500U Underground integrated type water treatment device |
| 01/02/2013 | CN202643499U Recycling complete set device for domestic sewage |
| 01/02/2013 | CN202643498U Oxidation ditch with improved structure |
| 01/02/2013 | CN202643497U Lap joint type adjustable capacity rain/sewage collection treatment matrix container |
| 01/02/2013 | CN202643496U Sewage treatment-dedicated system in process of bean product production |
| 01/02/2013 | CN202643495U Sewage treatment device based on anaerobic anoxic oxic (AAO) |
| 01/02/2013 | CN202643494U Biological deoxidation denitrification device used in oxidative environment groundwater |
| 01/02/2013 | CN202643493U Vertical type double-space large-flow water purifier |
| 01/02/2013 | CN202643492U Combined solar lifting and short-flow sewage treatment device |
| 01/02/2013 | CN202643491U Multifunctional excrement disposal machine |
| 01/02/2013 | CN202643490U Acid water pre-treatment system for oil refinery |
| 01/02/2013 | CN202643489U Silicon wafer etching wastewater treatment system |
| 01/02/2013 | CN202643488U Decrement type comprehensive electroplating waste water treatment device |
| 01/02/2013 | CN202643487U Pure terephthalic acid (PTA) mother liquor recovery system |
| 01/02/2013 | CN202643486U Combined ship ballast water treatment system |
| 01/02/2013 | CN202643485U Small diesel sea water desalination device |
| 01/02/2013 | CN202643484U Reclaimed water recharge type surface water deep purification composite device |
| 01/02/2013 | CN202643483U Coking waste water desalination device |
| 01/02/2013 | CN202643482U Fenton and iron-carbon micro-electrolysis combined catalytic oxidation device for wastewater |
| 01/02/2013 | CN202643481U Circulating water purifying device for spray booth |
| 01/02/2013 | CN202643480U Fluoride waste water treatment system |
| 01/02/2013 | CN202643479U Reverse osmosis pure water processing system |
| 01/02/2013 | CN202643478U Integrated denitrification device |
| 01/02/2013 | CN202643477U Drinking water treatment device |
| 01/02/2013 | CN202643476U Rainwater treatment device |
| 01/02/2013 | CN202643475U Sewage circular disposal system |
| 01/02/2013 | CN202643474U Mechanical waste paint processing device |
| 01/02/2013 | CN202643473U Efficient effluent treatment device for ammonium nitrate production line |
| 01/02/2013 | CN202643472U Multi-section water filtration and disinfection device |
| 01/02/2013 | CN202643471U Low-carbon environmental-friendly double-mode biological purifying equipment |
| 01/02/2013 | CN202643470U Novel resin reclaimed water reuse equipment |
| 01/02/2013 | CN202643469U Underground drinking water purifying system |
| 01/02/2013 | CN202643468U Novel waste water cycle processor |
| 01/02/2013 | CN202643467U Integrated water purifier with power-phos purification cylinder |
| 01/02/2013 | CN202643466U Treatment system for production wastewater |
| 01/02/2013 | CN202643465U Household tap water purification device |
| 01/02/2013 | CN202643464U Waste emulsion treatment device |
| 01/02/2013 | CN202643463U Multilevel separating system for sewage |
| 01/02/2013 | CN202643462U Service water treatment device |
| 01/02/2013 | CN202643461U Device for treating restaurant wastewater |
| 01/02/2013 | CN202643460U Copper raw water processing system |
| 01/02/2013 | CN202643459U Mixed-bed purifying system |
| 01/02/2013 | CN202643458U Air-floatation filter integration water treatment device |
| 01/02/2013 | CN202643457U Multifunctional rural sewage treatment device |