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