| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/18/2009 | EP2035337A1 Portable ozone generator and use thereof for purifying water |
| 03/18/2009 | EP2035111A2 Metal or metalized fabrics coated with nanostructured titanium dioxide |
| 03/18/2009 | EP2035108A2 Method and apparatus for removing impurities in rejects from sequential filters using separate treatment units |
| 03/18/2009 | CN201210321Y Automatic water vending machine |
| 03/18/2009 | CN101386461A Processing system for implementing coking waste water reuse and processing method |
| 03/18/2009 | CN101386460A Multi-stage composite processing technology of high-concentration organic sewage |
| 03/18/2009 | CN101386459A Sewage treatment channel |
| 03/18/2009 | CN101386458A Biological treatment method of coal gas waste water and coking waste water |
| 03/18/2009 | CN101386457A Comprehensive recovery and utilization method of various waste waters in iron and steel plant |
| 03/18/2009 | CN101386456A Processing method of dye wastewater or printing and dyeing wastewater |
| 03/18/2009 | CN101386455A Method for treating waste water after workpiece tinplating |
| 03/18/2009 | CN101386454A Zn-containing cyanide barren solution three-step sedimentation processing technology |
| 03/18/2009 | CN101386437A Method for removing coking waste water cyanide |
| 03/18/2009 | CN100469718C Equipment and method for treating wastewater difficult to be degraded by biology method of hydrolysis-composite membrane |
| 03/18/2009 | CN100469717C Treatment method for recovering pressing crack inverted discharged liquid |
| 03/18/2009 | CN100469716C Processing method for mother solution and solium sulfite solution in naphthol production |
| 03/12/2009 | US20090065410 Vacuum-Actuated Liquid Disinfectant Dispenser and System |
| 03/12/2009 | DE102007042685A1 Method for treating water in water circuits of swimming pools in basin area during cleaning of filters or sanitation of shower systems, comprises displacing microbial loaded water with hydrogen peroxide in predetermined concentration |
| 03/11/2009 | EP2033940A2 Cleaning of olive oil waste waster with mechanical, chemical and biological methods |
| 03/11/2009 | CN201206112Y Self-suction type pure water machine |
| 03/11/2009 | CN101383282A Fabrication method of semiconductor integrated circuit device |
| 03/11/2009 | CN101381190A Treatment technique suitable for high salt and high concentrated organic wastewater |
| 03/11/2009 | CN101381189A Improved type A<2>/O or invert A<2>/O technique |
| 03/11/2009 | CN101381188A Pyromellitic acid dianhydride production wastewater treatment by two-stage adsorption method and resource recovery method |
| 03/11/2009 | CN101381187A Waste water centralized processing method in chemical industrial park |
| 03/11/2009 | CN101381186A Multi-stage ecological purification technique of drinking water resource |
| 03/11/2009 | CN101381185A Denitrification processing method of coking wastewater and processing arrangement |
| 03/11/2009 | CN101381184A Sewage disposal system with biological phosphorus removal and chemical phosphorus removal bypass and disposal method |
| 03/11/2009 | CN101381183A Sewage disposal system with biological phosphorus removal and chemical phosphorus removal bypass and disposal method |
| 03/11/2009 | CN101381182A Decoloration treatment method of colored wastewater |
| 03/11/2009 | CN101381181A Water recovery processing method on spacecraft |
| 03/11/2009 | CN101381180A High concentrated organic wastewater treatment method using microwave circulation catalysis |
| 03/11/2009 | CN101381179A Formaldehyde comprehensive utilization method in acidic industrial effluent |
| 03/11/2009 | CN101381178A Printing and dyeing wastewater processing technique |
| 03/11/2009 | CN101381177A Method for producing high calcium and oxygen concentration water using raw water |
| 03/11/2009 | CN101381176A Residual gum recovery method from native rubber processing waste water |
| 03/11/2009 | CN101381175A Method for treating cyaniding gold extraction waste water |
| 03/11/2009 | CN101381174A Coal-fuelling boiler ash dry treatment technique |
| 03/11/2009 | CN101381173A Cationic dye printing and dyeing wastewater treatment process |
| 03/11/2009 | CN101381172A Circulating reuse method of pickling depleted brine and apparatus thereof |
| 03/11/2009 | CN100467406C Process of treating acetic acid producing effluent and papermaking waste water comprehensively |
| 03/11/2009 | CN100467405C Water treatment method for recycling bath sewage mainly using biological active carbon |
| 03/11/2009 | CN100467404C Ultrasonic-electrical catalyzing treatment azo dyes waste water processing device and reaction conditions |
| 03/11/2009 | CN100467403C Fluid purifying and treating device |
| 03/05/2009 | WO2009028315A1 Method and apparatus for treating water containing organic matter |
| 03/05/2009 | WO2009026686A1 Liquid-solid fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 03/05/2009 | US20090061509 Treatment system of high concentration organic sewage |
| 03/05/2009 | US20090057229 Method and system of destruction of volatile compounds in wastewater |
| 03/05/2009 | US20090057212 Treatment system of low concentration sanitary sewage |
| 03/05/2009 | DE102007041828A1 Vorrichtung und Verfahren zum Abbau von Schadstoffen in einer Flüssigkeit sowie Verwendung einer solchen Vorrichtung Apparatus and method for degradation of pollutants in a liquid and using such a device |
| 03/05/2009 | CA2703065A1 Liquid-solid fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 03/04/2009 | CN201201922Y Advanced treatment apparatus for recycling condensate water |
| 03/04/2009 | CN101379001A Modular reverse osmosis water treatment system |
| 03/04/2009 | CN101376747A Method for recycling bipseudoindoxyl dye from indigo dyeing waste water |
| 03/04/2009 | CN101376556A Ozone oxidation sterilizing and downflow type aerating biological filter combined waste water treatment apparatus |
| 03/04/2009 | CN101376555A Multi-stage biochemical domestic sewage processing method and processing unit thereof |
| 03/04/2009 | CN101376554A Dynamic control method and apparatus for sewage disposal |
| 03/04/2009 | CN101376553A Method for processing low temperature sewerage using low-intensity ultrasonic strengthened membrane bioreactor |
| 03/04/2009 | CN101376552A Process for processing high concentration refractory organic wastewater containing paratoluidine |
| 03/04/2009 | CN101376551A Method for processing process waste water of ethylene preparation by ethanol dehydration |
| 03/04/2009 | CN101376550A Method for processing process waste water of dimethyl ether preparation by dehydrating methyl alcohol |
| 03/04/2009 | CN101376549A Method for comprehensively processing organic wastewater by ultrasonic field-inorganic membrane-photocatalysis oxidation |
| 03/04/2009 | CN101376548A Waste water advanced purifying process and equipment thereof |
| 03/04/2009 | CN101376547A Method for recovering and processing pickling solution of refining benzene |
| 03/04/2009 | CN101376546A Coking advanced waste treatment system and processing method |
| 03/04/2009 | CN101376545A Water purification apparatus |
| 03/04/2009 | CN101376132A Electromagnetic ultrasonic antiscaling machine |
| 03/04/2009 | CN100465112C A technological method of treating papermaking waste water for reusing based on a membrane integrating technique |
| 03/04/2009 | CN100465111C A treating method of glyphosate production waste water |
| 03/04/2009 | CN100465110C A coking waste water reuse treatment method |
| 03/03/2009 | US7497954 Treating slop mud and clean/polish recovered water to make it dischargeable without further treatment; decreased the time required for phase separation; improved drilling fluid oil-to-water ratio |
| 02/26/2009 | WO2009026410A1 Water treatment and bypass system |
| 02/26/2009 | WO2009024154A1 Method and unit for processing fluid |
| 02/26/2009 | WO2008041051A3 Waste water purification involving a short chemical hyperoxidation step |
| 02/26/2009 | US20090050570 Plant and Method for Water Treatment by Flocculation/Settling Using Ballasted Floc Degritting of the Sludge |
| 02/26/2009 | US20090050561 System and method for processing wastewater |
| 02/26/2009 | CA2697287A1 Water treatment and bypass system |
| 02/25/2009 | CN201198462Y Ecological water cycle plant for residential district |
| 02/25/2009 | CN201198461Y Zero discharge apparatus for papermaking waste water |
| 02/25/2009 | CN101374775A Waste treatment process |
| 02/25/2009 | CN101374774A Redundant ultrafiltration devices |
| 02/25/2009 | CN101374591A Contaminated inflow treatment with membrane distillation bioreactor |
| 02/25/2009 | CN101372382A Advanced treatment method and processing system for wastepaper pulping and papermaking waste water |
| 02/25/2009 | CN101372381A 3,3¡¯-dichlorobenzidine hydrochloride waste water reclaiming method and apparatus thereof |
| 02/25/2009 | CN101372380A Water purifying process and apparatus for small-sized water purifier |
| 02/25/2009 | CN100463871C Apparatus and method for preparing pure water |
| 02/25/2009 | CN100463870C Drinking water emergency purifying process and its apparatus |
| 02/25/2009 | CN100463865C Water filter device |
| 02/24/2009 | CA2339609C Fluid sterilization apparatus |
| 02/19/2009 | WO2009021552A1 Improved separation/purification method / installation for aqueous liquid dispersions of organic material, and use of such method / installation in an integrated treatment of manure and/or organic disgestates |
| 02/19/2009 | WO2009021538A1 Sewage treatment system and sewage treatment method |
| 02/19/2009 | WO2009021396A1 A pretreatment method for coking waste water |
| 02/19/2009 | US20090045106 Water treatment system |
| 02/18/2009 | CN201195856Y Apparatus for collecting, treating and using rainwater |
| 02/18/2009 | CN101367595A Apparatus for and method for filtering, treating and recycling seprobia |
| 02/18/2009 | CN101367594A Treatment method for cellulose fermentation wastewater |
| 02/18/2009 | CN101367593A Treatment method and system for wastewater from amide phytocides production |
| 02/18/2009 | CN101367592A Method for soda recovery and color removal after mercerization in dyeing and printing field and apparatus thereof |
| 02/18/2009 | CN101367591A Sea water desalination technique |
| 02/18/2009 | CN101367590A Process for treating heavy-metal waste water containing high concentration suspended matter |