| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/18/2009 | CN101367589A Reutilization process for painting and coating pigment pf paper mill |
| 02/18/2009 | CN101367588A Method for advanced treatment of ammonia nitrogen and phosphor containing wastewater |
| 02/18/2009 | CN101367587A Plate and frame filter-pressing method for improving oven dry efficiency factor of thalli protein |
| 02/18/2009 | CN101367586A Desalting method for sewage water from oil production |
| 02/18/2009 | CN101367574A Method for removing sulfate ion in bittern or industrial brine |
| 02/18/2009 | CN101367572A Method for removing saralytic saxitoxin |
| 02/18/2009 | CN101367564A Advanced treatment method for sewage water from oil production |
| 02/18/2009 | CN100462282C Super conducting energy saving desalination drinking water making system of ocean ship |
| 02/17/2009 | US7491337 Adjusting the pH, then contacting the water with active adsorption media: absorbing cationic surfactants, anionic surfactants and non-ionic surfactants |
| 02/17/2009 | CA2598233C Radio frequency identification system for a fluid treatment system |
| 02/17/2009 | CA2398124C Device for treatment of water |
| 02/12/2009 | WO2009021197A2 Portable drinking water purification device |
| 02/12/2009 | WO2009020157A1 Membrane separation method and membrane separation device |
| 02/12/2009 | US20090039020 Methods for reducing boron concentration in high salinity liquid |
| 02/12/2009 | US20090039005 Portable apparatus for purifying waste water |
| 02/12/2009 | US20090038961 Process and System for Treating Radioactive Waste Water to Prevent Overloading Demineralizer Systems |
| 02/12/2009 | DE202008015209U1 Wasserbehandlungsvorrichtung Water treatment device |
| 02/11/2009 | EP2022560A2 System for decomposing organic compound |
| 02/11/2009 | EP2021287A1 Autonomously functioning water purification device |
| 02/11/2009 | EP2021201A1 Renewable portable stored energy power generating apparatus with alternate water source capability |
| 02/11/2009 | CN201193214Y Pretreatment system for piped direct-drinking water |
| 02/11/2009 | CN201193213Y Multifunctional integral water purifying device |
| 02/11/2009 | CN201193212Y Civil secondary purifier |
| 02/11/2009 | CN101362624A Dispersive high-efficiency purification treatment equipment of sewage |
| 02/11/2009 | CN101362623A Sewage water treatment method by essential diatom earth cooperation with biochemical action |
| 02/11/2009 | CN101362622A Combined vertical sedimentation tank |
| 02/11/2009 | CN101362621A Composite treatment technical method of native rubber processing waste water |
| 02/11/2009 | CN101362620A Phenolic waste water treatment technology from hydroxyphenylglycine synthesis process |
| 02/11/2009 | CN101362619A Method for removing cyanide in waster water by ionizing radiation and ozone oxidization |
| 02/11/2009 | CN101362618A Combined technology for treating nitrosamines pollutants in water |
| 02/11/2009 | CN101362593A Chemical phosphorus recovery method from biological sewage treatment process |
| 02/11/2009 | CN101362592A Chemical phosphorus recovery method from biological sewage treatment process |
| 02/11/2009 | CN100460592C Processing mthod of white water from paper making |
| 02/11/2009 | CN100460348C Method for treating and reclaiming wastewater of polyester piece goods dyeing and finishing |
| 02/11/2009 | CN100460347C Composite method of treating oil-containing sewage and waste water |
| 02/11/2009 | CN100460346C Waste liquid treatment method and waste liquid treating equipment with the same method |
| 02/10/2009 | US7488418 Methods and apparatuses for filtering water |
| 02/10/2009 | CA2511976C System to produce drinking water |
| 02/05/2009 | WO2009017426A1 Improvements in/or relating to a method of treating sludges |
| 02/05/2009 | WO2009016982A1 Pure water production apparatus and pure water production method |
| 02/05/2009 | WO2009015683A1 Device for filtering activated sludge with an electro-flocculation cell |
| 02/05/2009 | US20090032471 Innovative treatment technologies for reclaimed water |
| 02/05/2009 | US20090032459 adjusting pH of wastewater and filtering through mixture of acid-treated sawdust produced from sawdust which has been disposed of after being used for fungi production, and charcoal to remove a color component fraction from wastewater, and through filter material such as acid-treated rice husk charcoal |
| 02/05/2009 | CA2697843A1 Improvements in/or relating to a method of treating sludges |
| 02/05/2009 | CA2694171A1 Electrocoagulation apparatus having integrated clarifier |
| 02/05/2009 | CA2694156A1 Electrocoagulation apparatus with integrated sludge chamber and feed controller assembly |
| 02/04/2009 | CN201190305Y Device for reuse of domestic bathing water |
| 02/04/2009 | CN201190132Y Coalgas phenol-containing water treatment device |
| 02/04/2009 | CN201190131Y Continuous waste water treatment system with active virus |
| 02/04/2009 | CN101357815A EH-BFB biochemical denitrification dephosphorization technique |
| 02/04/2009 | CN101357814A Linkage processing method and apparatus of circulatory flow multiplex biochemistry and filtrating |
| 02/04/2009 | CN101357813A Processing method for domestic garbage leachate |
| 02/04/2009 | CN101357812A Processing method for domestic garbage leachate |
| 02/04/2009 | CN101357811A Organic waste water recovery and utilization apparatus |
| 02/04/2009 | CN101357810A Vacuum collection and vacuum treatment process of fecal sewage and equipment thereof |
| 02/04/2009 | CN101357809A Zero sludge and resource handling arrangement and recovery method of heavy metal waste water |
| 02/04/2009 | CN101357808A Water purification technique for special water purifier of water drinking machine |
| 02/04/2009 | CN100457655C Integrated sewage treating process in flocculant biological flow bed |
| 02/04/2009 | CN100457654C Printing-dyeing waste water treatment process |
| 02/04/2009 | CN100457645C Zero discharge and circular utilization method of industrial effluent in regeneration treatment |
| 02/03/2009 | CA2532518C Fluid over-flow/make-up air assembly for reprocessor |
| 02/03/2009 | CA2526832C Water treatment devices and cartridges therefor |
| 01/29/2009 | WO2009012967A1 Method and plant for treating wastes with high organic loading |
| 01/29/2009 | DE102007034216A1 Device for reduction of germ concentration from skin and hair during washing, showering and bathing without chemicals and reduction of smell development and germ development in drains without chemicals, comprises a separate dosing unit |
| 01/28/2009 | CN101353271A Manure diversity type toilet, and innocent treatment and reclaiming system |
| 01/28/2009 | CN101353215A Dyeing waste water comprehensive processing and reclaiming process |
| 01/28/2009 | CN101353214A Box type combined type carwash circulating water processing system |
| 01/28/2009 | CN101353213A Method for treating octanol waste lye by miscellaneous alcohol acidization-extraction method |
| 01/28/2009 | CN101353212A Production process of small micellae water |
| 01/28/2009 | CN101353211A Process for treating waste water of ethanol production from grain and cellulose substances |
| 01/28/2009 | CN101353210A Method for processing aluminum section bar chromizing waste water with calcium sulfite type desulphurization mortar |
| 01/28/2009 | CN101353209A Sectional type water purification treatment agent |
| 01/28/2009 | CN101353208A Reclaiming process for electroplating cyanic waste water and equipment thereof |
| 01/28/2009 | CN101353207A Acidulous water oil removing decoking method and apparatus |
| 01/28/2009 | CN101353206A Grain crops deep-processing high concentrated organic wastewater pretreatment process |
| 01/28/2009 | CN101353196A Fur nitro dyeing wastewater treatment and cyclic utilization method |
| 01/28/2009 | CN100455526C Aeration inner circulation type garbage infiltration liquid two-phase treatment reactor |
| 01/28/2009 | CN100455525C Aminonitrogen treatment system for garbage landfil leachate |
| 01/27/2009 | US7481931 Method of cleaning and qualifying a dialysis filter and machine for same |
| 01/22/2009 | WO2009010144A2 Device and filter unit for water treatment |
| 01/22/2009 | US20090020482 Method and Device for Removing Contaminant Trace Species, Especially Arsenic, from Water |
| 01/22/2009 | DE102007033994A1 Vorrichtung und Verfahren zur Behandlung von menschlichen Fäkalien und Sanitärlösungen Apparatus and method for the treatment of human feces and sanitary solutions |
| 01/21/2009 | CN201183971Y Household sewage water secondary utilizing apparatus |
| 01/21/2009 | CN201183970Y Multifunctional automatic stack pressure water-supply apparatus |
| 01/21/2009 | CN201183769Y Novel medical sewerage evaporators |
| 01/21/2009 | CN201183768Y Sewage treating device |
| 01/21/2009 | CN201183767Y Integrated safe drinking water apparatus |
| 01/21/2009 | CN201182951Y Water purifier with pollution discharge apparatus |
| 01/21/2009 | CN201182924Y Return sludge flow clarifying basin |
| 01/21/2009 | CN101348314A Catalytic ion reduction and anaerobic hydrolytic acidification cooperated industrial wastewater pretreatment method |
| 01/21/2009 | CN101348313A Papermaking waste water processing technological process based on membrane biological reactor |
| 01/21/2009 | CN101348312A Processing apparatus and processing method of oil-containing waste water |
| 01/21/2009 | CN101348311A Lipin processing sewage disposal process |
| 01/21/2009 | CN101348310A Double drum track-mounted high speed magnetic separation wastewater treating apparatus |
| 01/21/2009 | CN101348309A Kitchen solid wastes and sewerage integrated processing system |
| 01/21/2009 | CN101348308A Novel town sewerage mixed treatment process |
| 01/21/2009 | CN101348307A Water treatment technology capable of converting sewage into direct drinking water |
| 01/21/2009 | CN100453481C Treating agent for lincomycin hydrochloride production waste water and its preparation method and usage method |
| 01/20/2009 | US7479259 System for destroying hazardous waste resultant from the production of energetics such as explosives |
| 01/20/2009 | US7479224 Purification plant to biologically purify waste water |