| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/20/2013 | CN102936082A Short-range aeration sewage purifier |
| 02/20/2013 | CN102936081A Photocatalytic internal-circulation anaerobic fluidized membrane bioreactor and working method thereof |
| 02/20/2013 | CN102936080A Photocatalytic/aerobe-combined water treatment device and working method thereof |
| 02/20/2013 | CN102936079A Method for removing aniline from industrial high salt-containing aniline wastewater |
| 02/20/2013 | CN102936078A Method for treating wastewater of dry-spinning acrylic fibers |
| 02/20/2013 | CN102936077A Treatment method of polyacrylonitrile fiber production sewage |
| 02/20/2013 | CN102936076A Water self-circulating emission-free complete decomposing type bio-environmental protection toilet |
| 02/20/2013 | CN102936075A Method for recycling industrial wastewater generated during alanine production |
| 02/20/2013 | CN102936074A Pretreatment method of epoxy type plasticizer production wastewater |
| 02/20/2013 | CN102936073A Method for preparing polymer solution by using oil field sewage |
| 02/20/2013 | CN102936072A Nano-catalysis, electrolysis, flocculation and air-floatation device |
| 02/20/2013 | CN102936071A Treatment method of equilibrium adsorption seawater decalcification of plate-and-frame filter press |
| 02/20/2013 | CN102936070A Method for treating mercury-containing wastewater during PVC (Polyvinyle Chloride) production through two-step process |
| 02/20/2013 | CN102936069A Ultrawater purifier for lab |
| 02/20/2013 | CN102936068A In-process circular and comprehensive recovery technology for mineral processing wastewater of tin-lead-zinc polymetallic sulphide ores |
| 02/20/2013 | CN102936067A Method for selectively removing calcium ions from concentrated water byproduct of sea water desalination process and other high-calcium-magnesium-content concentrated brines |
| 02/20/2013 | CN102936066A 污水处理站 Sewage treatment station |
| 02/20/2013 | CN102936065A Method for treating wastewater |
| 02/20/2013 | CN102936064A Device for purifying roof rainwater rapidly |
| 02/20/2013 | CN102936063A Process method and system for recovering water from lignite drying flue gas |
| 02/20/2013 | CN102936051A Process for treating dinaphthol wastewater by using complexation extraction method |
| 02/20/2013 | CN102934588A Multifunctional indoor decontaminating plant wall |
| 02/20/2013 | CN102491585B Combined method for removing nitrate nitrogen of tail water produced by municipal sewage treatment plant |
| 02/20/2013 | CN102351377B Integrated treatment method for fermentation pharmaceutical wastewater |
| 02/20/2013 | CN102173534B Method for treating polytetrahydrofuran (PEMEG) production wastewater |
| 02/20/2013 | CN102126806B Method for completely recycling wastewater containing fluorine and ammonia nitrogen in electronic industry |
| 02/20/2013 | CN102086075B Deep treatment process of landfill leachate |
| 02/20/2013 | CN101973648B Gravity oil and water separator |
| 02/20/2013 | CN101921025B Recycle of solid flocculation in nickel plating waste water |
| 02/19/2013 | CA2693881C Water treatment system |
| 02/18/2013 | CA2786423A1 Water reclamation systems and methods |
| 02/14/2013 | WO2013020798A1 Method for purifying wastewaters from the workup of crude aromatic nitro compounds |
| 02/14/2013 | US20130037483 Methods of conditioning mixed liquor using water soluble quaternary ammonium starches |
| 02/14/2013 | US20130037474 Filter assembly |
| 02/14/2013 | DE102011110105A1 Wasserversorgungssystem mit bidirektionaler UV-Desinfektionsvorrichtung Water supply system with bidirectional UV disinfection device |
| 02/14/2013 | DE102011052604A1 Apparatus useful for improving the quality of drinking water and/or service water, arranged in line or line section, comprises tubular housing, whose inner side is arranged with support body, through which an active carbon filter is drawn |
| 02/13/2013 | CN202730934U System for intercepting, shunting, regulating, storing and treating initial rainwater |
| 02/13/2013 | CN202730864U Recycled water recycling system |
| 02/13/2013 | CN202730843U Water resource recycling device |
| 02/13/2013 | CN202730837U Rainwater collection system |
| 02/13/2013 | CN202730290U Integration electroplating nickel concentration device |
| 02/13/2013 | CN202729963U Dyeing sewage treatment system |
| 02/13/2013 | CN202729962U Biological contact oxidation filtration combination device |
| 02/13/2013 | CN202729961U Linen wastewater treatment equipment |
| 02/13/2013 | CN202729960U Equipment special for landfill leachate advanced treatment |
| 02/13/2013 | CN202729959U Advanced treatment recycling system for electroplating wastewater |
| 02/13/2013 | CN202729958U Novel sewage treatment pond |
| 02/13/2013 | CN202729957U Structurally improved sewage treatment tank |
| 02/13/2013 | CN202729956U Energy-efficient type sewage reactor |
| 02/13/2013 | CN202729955U Novel sewage treatment tower |
| 02/13/2013 | CN202729954U Processor for degrading sewage by microorganisms |
| 02/13/2013 | CN202729953U Intermission biological reactor (IBR) continuous-flow integration sewage processing device |
| 02/13/2013 | CN202729952U Ozone intensive aquaculture device |
| 02/13/2013 | CN202729951U Domestic sewage treatment system for coal mine |
| 02/13/2013 | CN202729950U Coal chemical wastewater treatment equipment |
| 02/13/2013 | CN202729949U Forklift production wastewater recycling treatment system |
| 02/13/2013 | CN202729948U Biology absorption magnetic (BAM) sewage depth denitrifying treatment system |
| 02/13/2013 | CN202729947U Forklift production wastewater treatment system |
| 02/13/2013 | CN202729946U Two-stage anoxic/oxic (A/O)-membrane biological reactor (MBR) nitrogen and phosphorus removal device |
| 02/13/2013 | CN202729945U Refined cotton biochemical sewage treatment system |
| 02/13/2013 | CN202729944U Treatment device of printing and dyeing wastewater |
| 02/13/2013 | CN202729943U Domestic sewage treatment device for shipping |
| 02/13/2013 | CN202729942U Movable ultrafiltration membrane magnetization water purifier |
| 02/13/2013 | CN202729941U Pipeline rinse water recycling device |
| 02/13/2013 | CN202729940U Air energy water purifier |
| 02/13/2013 | CN202729939U Zero emission special system for photovoltaic industrial nitrogenous waste water |
| 02/13/2013 | CN202729938U Novel sewage treatment unit |
| 02/13/2013 | CN202729937U High-salinity reverse osmosis process concentrated water treatment device |
| 02/13/2013 | CN202729936U Quantum water dispenser |
| 02/13/2013 | CN202729935U Three-phase separation sewage treatment device |
| 02/13/2013 | CN202729934U Collecting and reusing system for glass edge polishing waste water |
| 02/13/2013 | CN202729933U Central water treatment device |
| 02/13/2013 | CN202729932U Combined type alloy filter core component |
| 02/13/2013 | CN202729931U Tap water filter system |
| 02/13/2013 | CN202729930U Minitype reverse osmosis system |
| 02/13/2013 | CN202729929U Refuse and/or sludge squeezed water recycling treatment system |
| 02/13/2013 | CN202729928U Hydrodynamic cavitation strengthening water treatment equipment |
| 02/13/2013 | CN202729927U 矿井水处理系统 Mine water treatment system |
| 02/13/2013 | CN202729926U System for treating recycled water of industrial park into make-up water for boiler of power plant |
| 02/13/2013 | CN202729925U Sea-water desalination and dual supply system for water-electricity co-production |
| 02/13/2013 | CN202729924U Reverse osmosis water purification machine |
| 02/13/2013 | CN202729923U Backflow type high-efficiency air-dissolved air flotation device |
| 02/13/2013 | CN202729922U Acid-washing material waste water treatment and recovery device |
| 02/13/2013 | CN202729921U Hydrocone type disinfection tank special for oral cavity |
| 02/13/2013 | CN202729920U 矿石污水处理系统 Ore sewage treatment system |
| 02/13/2013 | CN202729919U Water purifying device |
| 02/13/2013 | CN202729918U Wastewater treatment device |
| 02/13/2013 | CN202729917U Membrane method high-powered recovery process special system for photovoltaic industrial fluoride waste |
| 02/13/2013 | CN202729916U Concrete slurry recovery system |
| 02/13/2013 | CN202729915U Low-yield single-pump two-stage reverse osmosis system |
| 02/13/2013 | CN202729914U Low-yield dual-pump two-stage reverse osmosis system |
| 02/13/2013 | CN202729913U Deep-filtration multistage combined ultra-filtration water purifier |
| 02/13/2013 | CN202729912U Multistage combined ultra-filtration water purifier |
| 02/13/2013 | CN202729911U Built-in ultra-filtration water purification integral machine |
| 02/13/2013 | CN202729910U Ultra-filtration integral small communication water purification machine |
| 02/13/2013 | CN202729909U Oily sewage vacuum separation purifier |
| 02/13/2013 | CN202729908U 直饮机 Drinking Machine |
| 02/13/2013 | CN202729907U Oil separation tank |
| 02/13/2013 | CN202729906U Protection device for reverse osmosis membrane element of water treatment device |
| 02/13/2013 | CN202729905U Oil-water separation device |