| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 10/22/2008 | CN101289261A Reactor for removing nitrogen and phosphorus of lake and river water phase by biological and physical synergistic method |
| 10/22/2008 | CN101289260A System and method for treating fluorine-containing acid wastewater after graphite purification |
| 10/22/2008 | CN101289259A Process for high-efficiency degrading organic components in flotation wastewater of sulphide ore |
| 10/22/2008 | CN101289258A High-efficiency circulating filtration and strengthening phosphorus removal system for landscape water |
| 10/22/2008 | CN100427415C Process for treating waste water of refined terephthalic acid |
| 10/22/2008 | CN100427414C Magnetic separation and coupling air-lifting suspension photocatalytic treatment method and its device |
| 10/21/2008 | US7439684 Inductive lamp assembly |
| 10/21/2008 | US7439054 Sequencing batch reactor tank for on-site bio-degradation of oily sludge; bacteria biodegrade hydrocarbons in oily sludge; after five day degradation cycle, a recirculation pump and aeration system are turned off and solids are allowed to settle to the bottom of the tank; ultrafiltration |
| 10/21/2008 | US7438817 Decontamination by reverse osmosis and pH control to inhibit or promote the formation and precipitation of different species |
| 10/21/2008 | US7438808 Sand catcher |
| 10/21/2008 | US7438804 Coagulation treatment apparatus |
| 10/21/2008 | US7438799 Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants |
| 10/21/2008 | US7438129 Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation |
| 10/21/2008 | CA2414083C Physico-chemical method for eliminating toxic and/or precious heavy metals contained in urban, industrial sludge and liquid animal manure |
| 10/16/2008 | WO2008124425A1 Process for treating waste water |
| 10/16/2008 | WO2008123972A1 Improved infiltration/inflow control for membrane bioreactor |
| 10/16/2008 | WO2007093398A3 Process and biogas plant for producing biogas from organically loaded liquids |
| 10/16/2008 | US20080251450 Waste water treatment |
| 10/16/2008 | DE102007017502A1 Elektrochemisch behandeltes Wasser, Verfahren und Vorrichtung zu dessen Herstellung und seine Verwendung als Desinfektionsmittel Electrochemically treated water, process and apparatus for its preparation and its use as a disinfectant |
| 10/16/2008 | CA2682978A1 Waste treatment system |
| 10/16/2008 | CA2682707A1 Improved infiltration/inflow control for membrane bioreactor |
| 10/15/2008 | EP1979274A1 Waste treatment process |
| 10/15/2008 | CN201132983Y Reutilization device for reclaimed water of low position |
| 10/15/2008 | CN201132805Y Water-making machine |
| 10/15/2008 | CN101285314A Rainwater separating treatment recycling device |
| 10/15/2008 | CN101284705A Tower type earthworm and ecological filter for treating sewage |
| 10/15/2008 | CN101284704A A treatment method, device and system of organic compounds included in waste water, and asphaltum recovering system |
| 10/15/2008 | CN101284703A Highly effective waste water treating method and special equipment for the treatment |
| 10/15/2008 | CN101284702A Combined filter element |
| 10/15/2008 | CN100425554C Treatment method of acrylic acid production waste water |
| 10/15/2008 | CN100425553C Hydrazine hydrate byproduct 5% salt water processing and reclamation method |
| 10/15/2008 | CN100425552C Waste water treatment of concrete agitation ship |
| 10/15/2008 | CN100425545C Method and apparatus for treating hydrofluoric acid waste water |
| 10/14/2008 | US7435349 System for treating wastewater containing organic compounds |
| 10/09/2008 | WO2008120963A1 Dual wastewater treatment plant that separates soapy water or greywater from blackwater |
| 10/09/2008 | US20080245737 Method and system for providing ultrapure water |
| 10/09/2008 | US20080245092 Portable, potable water recovery and dispensing apparatus |
| 10/08/2008 | CN201128929Y Filtering-material-costless maintenance-free recycling device for reclaimed water |
| 10/08/2008 | CN201128708Y External membrane method life waste water treating device for ship |
| 10/08/2008 | CN201128707Y Urban and rural hyper-energy purifying and heating integrated machine |
| 10/08/2008 | CN201128706Y Water cyclic regeneration device for carwash |
| 10/08/2008 | CN201128705Y Intelligent flexible batch type waste water automatic processing system |
| 10/08/2008 | CN101279809A Biological filler swimming-bed reactor |
| 10/08/2008 | CN101279808A Method for processing nitrobenzene and aniline waste water |
| 10/08/2008 | CN101279807A Activating method for medical stone mineral water |
| 10/08/2008 | CN101279806A Recycling use method and apparatus for wastewater of carwash and laundry |
| 10/08/2008 | CN101279805A Technological process and apparatus for drinking water treatment by film method |
| 10/08/2008 | CN101279804A Method for effectively degrading organic components in beneficiation wastewater of sulphide ore |
| 10/08/2008 | CN101279803A Processing system and method for printing and dyeing wastewater |
| 10/08/2008 | CN101279802A Processing method for light concentration organic pollutant in water |
| 10/08/2008 | CN101279801A Device for purifying reuse water by combined film method |
| 10/08/2008 | CN101279800A Relay type river purifying method |
| 10/08/2008 | CN101279799A Integral water purifier |
| 10/08/2008 | CN100424024C Photochemical oxidation method for increasing oilfield sewage prepared polymer solution viscosity |
| 10/07/2008 | US7431850 One of 1) flocculation sedimentation, flotation, or filtration; 2) electrolytic oxidation reduction; and 3) simultaneous treatment with microwave and an inorganic material followed by purification by a complementary supercritical treatment or subcritical treatment |
| 10/07/2008 | CA2374291C Point-of-use water treatment system |
| 10/07/2008 | CA2312057C Industrial waste water treatment cleaning method and apparatus |
| 10/02/2008 | WO2008118039A1 Device for treating and purifying a liquid product |
| 10/02/2008 | WO2008117005A1 Process for separation of water from slop mud |
| 10/02/2008 | WO2008025030B1 Method and system for point of use treatment of substrate polishing fluids |
| 10/01/2008 | EP1973854A2 Composition and process for conversion of paint sludge into reusable paint |
| 10/01/2008 | EP1853523A4 Method for ground water and wastewater treatment |
| 10/01/2008 | EP1478891B1 Portable, potable water recovery and dispensing apparatus |
| 10/01/2008 | CN201125203Y Water environment biological, ecological high-efficiency restoring system |
| 10/01/2008 | CN201125202Y Device for treatment of sewage |
| 10/01/2008 | CN201125201Y Combined type intermediate water treating eqiupment |
| 10/01/2008 | CN201125200Y Double-energy activating water processor |
| 10/01/2008 | CN201125199Y Direct water-drinking apparatus |
| 10/01/2008 | CN201125198Y Gasometer and boiler ash and slag flushing waste water purification recovery and sludge anhydration apparatus |
| 10/01/2008 | CN101277907A Process for the treatment of wastewater from aldolization processes |
| 10/01/2008 | CN101277905A Dynamic control of membrane bioreactor system |
| 10/01/2008 | CN101274947A Method for extracting lignosulphonate from sodium sulfite bamboo pulp waste liquor |
| 10/01/2008 | CN101274810A Sewage treating device and process |
| 10/01/2008 | CN101274809A Treatment apparatus for organic wastewater |
| 10/01/2008 | CN101274808A Treatment process for waste water in Methyl stannum mercaptide production |
| 10/01/2008 | CN101274807A Anti-dead water processing unit and ultrapure water manufacturing system |
| 10/01/2008 | CN101274806A Novel process for reclaiming waste water containing CN- and NH3 or NH4- |
| 10/01/2008 | CN100422099C Treatment method for water jetting non-woven processing water |
| 10/01/2008 | CN100422096C Apparatus and method of treating city domestic refuse percolation liquid by two-stage UASB+A/O technique |
| 10/01/2008 | CN100422092C System and method for treatment of acidic wastewater |
| 09/30/2008 | US7428926 Water treatment method for heavy oil production |
| 09/25/2008 | WO2008115444A2 High performance, energy efficient system and method for wastewater treatment with resource recovery and reduced residual solids generation |
| 09/25/2008 | WO2008114613A1 Method and apparatus for removing organic matters |
| 09/25/2008 | WO2008113150A1 Wastewater treatment apparatus |
| 09/25/2008 | US20080230485 Removal of foams from foam accumulator; aeration tanks |
| 09/25/2008 | US20080230457 Liquid tank and liquid circulation apparatus |
| 09/25/2008 | DE10200616B4 Substrat zur Behandlung von Oberflächenwasser und dessen Verwendung Substrate for the treatment of surface water and its use |
| 09/25/2008 | CA2681086A1 Wastewater treatment apparatus having sequential treatment tanks |
| 09/24/2008 | EP1971556A1 System for filtering and removing viruses from water supply sources |
| 09/24/2008 | EP1971554A2 Method and system for treating radioactive waste water |
| 09/24/2008 | CN201121157Y Sewage treatment system with sewage sludge decrement |
| 09/24/2008 | CN201121156Y Discontinuous wastewater automatic processing system |
| 09/24/2008 | CN201121155Y Water purifier |
| 09/24/2008 | CN101269904A Method for wastewater treatment of fermentation groove liquid and uses thereof |
| 09/24/2008 | CN101269903A Further advanced treatment technique and apparatus for sewage water of oil refining |
| 09/24/2008 | CN101269902A Purification method for wastewater of ammunition disassembly |
| 09/24/2008 | CN101269901A Comprehensive approach for process and cyclic utilization of sewage water |
| 09/24/2008 | CN101269900A Ecological system for water purification and recover |
| 09/24/2008 | CN101269899A Comprehensive approach for acrylic wastewater |
| 09/24/2008 | CN101269898A Advanced treatment apparatus for printing and dyeing wastewater |