| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 05/04/2011 | CN201817354U Device for rapidly purifying and treating oil sludge and sewage in oil field |
| 05/04/2011 | CN201817353U Pressure storage type back-flushing, blow-off and double-tank multi-media anti-bacterial scale-restraining water purifier |
| 05/04/2011 | CN201817352U Waterlogging machine |
| 05/04/2011 | CN201817351U Energy water machine |
| 05/04/2011 | CN201817350U Portable waste water treatment device |
| 05/04/2011 | CN201817349U Water-saving type antiosmosis water purifying plant |
| 05/04/2011 | CN201817348U Inclined tube type hexagonal multi-tube integrated oil-water separator |
| 05/04/2011 | CN201817347U Gas generating sewage water treatment unit |
| 05/04/2011 | CN201817346U Septic tank sludge water purification and environmental treatment device |
| 05/04/2011 | CN201817345U Normal water reuse and direct drinking water integrated supply system |
| 05/04/2011 | CN201817344U Pretreatment device of oil production wastewater in oil field |
| 05/04/2011 | CN201817343U Zero-emission electroplating wastewater concentration treatment process equipment |
| 05/04/2011 | CN201817342U Secondary advanced purification device for sewage water in sewage treatment plant |
| 05/04/2011 | CN201817341U Drinking water treatment device |
| 05/04/2011 | CN201817340U Internal water circulation system for achieving zero discharge of waste water |
| 05/04/2011 | CN201817339U Cyaniding wastewater membrane treatment recycling device |
| 05/04/2011 | CN201817338U Oily sewage treatment machine |
| 05/04/2011 | CN201817337U Water purifier |
| 05/04/2011 | CN201817336U Tube bank frame structure in continuous drilling wastewater processing device |
| 05/04/2011 | CN201817304U Domestic reverse osmosis water purification machine without draining concentrated water |
| 05/04/2011 | CN201817303U Home terminal water-purifying system |
| 05/04/2011 | CN201815158U Clustered photoelectric energy filter element |
| 05/04/2011 | CN102046256A Backwashing unsaturated wastewater filter |
| 05/04/2011 | CN102041321A Leather manufacturing process by pickling and tanning salt-free and chrome-free recycled waste liquid |
| 05/04/2011 | CN102041128A Chemical deashing method for coal |
| 05/04/2011 | CN102040318A Imidacloprid pesticide wastewater treatment method |
| 05/04/2011 | CN102040317A System and method for taking and reusing water from riverway supplemented with recycling water |
| 05/04/2011 | CN102040316A Method for purifying ecological compound sludge water body |
| 05/04/2011 | CN102040315A Method for treating high ammonia nitrogen wastewater by two-stage A/O process |
| 05/04/2011 | CN102040314A High-efficiency printing and dying waste water treatment process |
| 05/04/2011 | CN102040313A Process for treating high-concentration printing and dying waste water |
| 05/04/2011 | CN102040312A Method for treating reverse osmosis concentrated water |
| 05/04/2011 | CN102040311A Oil field polymer flooding produced water treatment method |
| 05/04/2011 | CN102040310A Sewage treatment method for reinjection of produced water from oil field to low-permeability oil field |
| 05/04/2011 | CN102040309A Combined treatment process for urban garbage percolate |
| 05/04/2011 | CN102040308A Method for treating wastewater by combining catalytic oxidation with biological aerated filter |
| 05/04/2011 | CN102040307A Sewage treatment system |
| 05/04/2011 | CN102040306A Blue-green algae sewage treatment device and method |
| 05/04/2011 | CN102040305A Water treatment device |
| 05/04/2011 | CN102040304A Method for recycling waste liquor of zinc plating using potassium salt in laboratory |
| 05/04/2011 | CN102040303A Method for recovering organic matters in wastewater generated in process for preparing olefin from methanol |
| 05/04/2011 | CN102040302A Treatment method of nitrochlorobenzene production wastewater |
| 05/04/2011 | CN102040301A Method for treating municipal waste leachate membrane concentrated solution |
| 05/04/2011 | CN102040300A Water treatment device applicable to various water sources |
| 05/04/2011 | CN102040299A Integrated laboratory waste water treatment method and device |
| 05/04/2011 | CN102040298A Water treatment method for reducing chlorpyrifos pollution |
| 05/04/2011 | CN102040297A Method for decolorizing and recycling waste water from xylose production |
| 05/04/2011 | CN102040296A Wastewater treatment device and method |
| 05/04/2011 | CN102040295A Purifying equipment for removing ferrimanganic by water oxidation filtration |
| 05/04/2011 | CN102040294A Treatment method for circulating water sewerage and reverse osmosis concentrated water |
| 05/04/2011 | CN102040293A Method and device for purifying high-fluorine underground water |
| 05/04/2011 | CN102040292A Method for connecting built-in pipeline of multi-filter element recoil water purification machine |
| 05/04/2011 | CN102040291A Claystone-activated carbon fiber water purification and filtration system |
| 05/04/2011 | CN102040290A Portable drinking water purifier |
| 05/04/2011 | CN102040289A Method and equipment for regenerating and recycling textile dyeing wastewater |
| 05/04/2011 | CN102039368A Method for recovering isopropanol from chemical wastewater and preparing alcohol-based casting coating from isopropanol |
| 05/04/2011 | CN102037922A Treatment method for industrial aquiculture circulating water |
| 05/04/2011 | CN101761115B Integrated domestic sewage processor |
| 05/04/2011 | CN101723552B Treatment method of garbage leachate |
| 05/04/2011 | CN101704612B Integrated treatment process of enhanced flocculation and bio-contact oxidation for high-salt oil-containing wastewater |
| 05/04/2011 | CN101671090B Combined processing technique of garbage percolates |
| 05/04/2011 | CN101671086B Preheating technology of water processing system |
| 05/04/2011 | CN101665304B Solar anaerobic granular sludge circulation reactor |
| 05/04/2011 | CN101665292B Purification treatment technique of drinking water and treatment system thereof |
| 05/04/2011 | CN101643285B Water purification device adopting conglomeration synergia water quality purification process |
| 05/04/2011 | CN101613160B Efficient integrative ceramic wastewater treatment device |
| 05/04/2011 | CN101555086B Biological treatment method of leather wastewater |
| 05/04/2011 | CN101549926B Rare earth extraction saponification waste-water cyclic utilization method |
| 05/04/2011 | CN101538104B Improved A2N denitrifying dephosphatation and deep denitrification device and method |
| 05/04/2011 | CN101531436B Treatment method of wastewater anaerobic digestive fluid in pig farm |
| 05/04/2011 | CN101531430B Method for releasing biological toxicity of mixed acid nitrified wastewater |
| 05/04/2011 | CN101367595B Apparatus for and method for filtering, treating and recycling seprobia |
| 05/04/2011 | CN101353210B Method for processing aluminum section bar chromizing waste water with calcium sulfite type desulphurization mortar |
| 05/04/2011 | CN101318745B Reverse osmosis treatent method and device for coking wastewater |
| 05/04/2011 | CN101302073B Electroplating sewerage advanced treatment process |
| 05/04/2011 | CN101264989B Directly drinking machine with electronic refrigeration |
| 05/03/2011 | US7935256 Method for the treatment of waste water from florfenicol production |
| 05/03/2011 | US7935255 Filter cartridge |
| 05/03/2011 | CA2719880A1 Oil sands process water treatment for reuse |
| 04/28/2011 | WO2011050045A1 Treatment of wastewater |
| 04/28/2011 | WO2011047482A1 Process cooling system and method using seawater |
| 04/28/2011 | US20110094969 Removal of arsenic from drinking and process water |
| 04/28/2011 | US20110094965 Enhanced High Water Recovery Membrane Process |
| 04/28/2011 | US20110094963 Membrane separation method and membrane separation device |
| 04/28/2011 | DE102009044204A1 Wiederaufbereitungsverfahren und Wiederaufbereitungsvorrichtung zur Wiederaufbereitung von Slurry-Abwasser aus einem Halbleiterbearbeitungs-prozess, insbesondere aus einem chemisch-mechanischen Polierprozess Recycling process and recycling apparatus for recycling slurry wastewater from a semiconductor processing process, particularly a chemical mechanical polishing process |
| 04/28/2011 | CA2779280A1 Treatment of wastewater |
| 04/27/2011 | EP2313348A1 Method for conditioning a precipitating solution that arises during the wet-chemical cleaning of conventional or nuclear plants, said solution containing organic substances and metals in ionic form |
| 04/27/2011 | EP2313347A1 Novel systems and methods for wastewater treatment |
| 04/27/2011 | CN201809805U Air drinking water producing equipment |
| 04/27/2011 | CN201809262U Optimized integrated device for high effective biological and advanced treatment of garbage leachate |
| 04/27/2011 | CN201809261U Biochemical treatment device for sewage |
| 04/27/2011 | CN201809260U Fully automatic farm and livestock area source water pollution treatment device |
| 04/27/2011 | CN201809259U Hybrid bioreactor |
| 04/27/2011 | CN201809258U Integral sewage treatment equipment convenient to overhaul |
| 04/27/2011 | CN201809257U Wastewater purifying equipment |
| 04/27/2011 | CN201809256U Stereoscopic purification device |
| 04/27/2011 | CN201809255U Oil shale waste water treatment system |
| 04/27/2011 | CN201809254U Metal inorganic membrane bioreactor |
| 04/27/2011 | CN201809253U Internal-external membrane filtration and separation sewage treatment device |
| 04/27/2011 | CN201809252U High-concentration refractory organic wastewater two-phase anaerobic membrane biological treatment pool |