| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/20/2013 | CN102976543A Garbage leachate disposal method and system |
| 03/20/2013 | CN102976542A Wastewater reusing system in production of superfine fiber leather |
| 03/20/2013 | CN102976541A New technology for separating waste water containing zinc and nickel |
| 03/20/2013 | CN102976540A Tower type solar energy-wind energy seawater vaporization water production apparatus |
| 03/20/2013 | CN102976539A Furfural production wastewater novel technology processing method |
| 03/20/2013 | CN102976538A Rising film and falling film multi-effect distilled water machine |
| 03/20/2013 | CN102976537A Comprehensive physical and chemical treatment device and method of organic silicon wastewater |
| 03/20/2013 | CN102976536A Method for treating dyeing waste water of disperse reactive dyes |
| 03/20/2013 | CN102976535A Method for processing and recycling strong brine by membrane desalination process |
| 03/20/2013 | CN102976534A Method and device of killing staphylococcus aureus in sewage |
| 03/20/2013 | CN102976533A Cyclone type photo-catalytic reaction apparatus |
| 03/20/2013 | CN102976532A Method for treating fluorine-containing polymetallic acidic smelting wastewater by internal electrolysis and coprecipitation of ferric-carbon |
| 03/20/2013 | CN102976531A Method for removing total phosphor by chemical nickel-plating wastewater treatment |
| 03/20/2013 | CN102976530A Device for treating and recycling chemical production sewage |
| 03/20/2013 | CN102976529A Reducing mother liquid processing method in dinitrodiazophenol production process |
| 03/20/2013 | CN102976528A Technique for treating wastewater in kaolin working process |
| 03/20/2013 | CN102976527A Method for obtaining scandium-rich material from acidic wastewater of titanium dioxide environment-friendly workshop |
| 03/20/2013 | CN102976526A Forced external circulating type efficient precipitation method and equipment based on addition of lime |
| 03/20/2013 | CN102976525A Method for treating and recycling rare earth oxalate precipitation mother solution |
| 03/20/2013 | CN102976524A Method for treating acidic aluminiferous industrial wastewater |
| 03/20/2013 | CN102976523A Method for treating cyano compounds by addition-supercritical water oxidation process |
| 03/20/2013 | CN102976522A Acid dye wastewater treatment method |
| 03/20/2013 | CN102976521A Decomposition treatment technology for nonbiodegradable chemical compounds in papermaking wastewater |
| 03/20/2013 | CN102976520A High-concentration ammonia-nitrogen wastewater treatment process |
| 03/20/2013 | CN102976519A Method for simultaneously treating industrial pickling wastewater and printing and dyeing wastewater |
| 03/20/2013 | CN102976518A Method for simultaneously purifying electroplating wastewater, printing and dyeing wastewater and chemical industrial organic wastewater |
| 03/20/2013 | CN102976517A Method for treating industrial pickling wastewater |
| 03/20/2013 | CN102976516A Method for simultaneously purifying electroplating wastewater and washing wastewater |
| 03/20/2013 | CN102976515A Method for simultaneously treating industrial pickling wastewater, printing and dyeing wastewater and chemical industrial organic wastewater |
| 03/20/2013 | CN102976514A Reduction mother solution treatment method in production process of dinitrodiazophenol |
| 03/20/2013 | CN102976513A Method for reducing silicon content in heavy oil wastewater |
| 03/20/2013 | CN102976512A Chemical processing method of coal chemical industry recycled circulating cooling water |
| 03/20/2013 | CN102976511A Coking wastewater membrane filtration concentrate recycle method |
| 03/20/2013 | CN102976510A Treating and recycling method for waste water of lead-acid battery industry |
| 03/20/2013 | CN102976509A Treating method for gas production waste liquid with high content of sulfur |
| 03/20/2013 | CN102976508A Oil-production sewage treatment system |
| 03/20/2013 | CN102976507A Wastewater rotational flow treatment device |
| 03/20/2013 | CN102976506A Method for reducing COD (Chemical Oxygen Demand) value of heavy oil wastewater |
| 03/20/2013 | CN102976505A Reverse osmosis water purifier |
| 03/20/2013 | CN102976504A Sea water desalination system |
| 03/20/2013 | CN102976466A Compound barium remover for treating baric wastewater |
| 03/20/2013 | CN102976449A Water purifier |
| 03/20/2013 | CN102976427A Seawater desalting plant continuously supplied with solar heat and method thereof |
| 03/20/2013 | CN102974312A Method for synthesizing organic hydrotalcite by using electroplating wastewater and washing wastewater |
| 03/20/2013 | CN102974311A Method for synthesizing organic hydrotalcite by using industrial acid washing wastewater and printing and dyeing wastewater |
| 03/20/2013 | CN102974310A Method for synthesizing organic hydrotalcite by utilizing electroplating wastewater and printing and dyeing wastewater |
| 03/20/2013 | CN102974307A Functionalized graphene adsorbent and preparation method and application thereof |
| 03/20/2013 | CN102974194A Waste gas zero emission water circulation treatment device and method |
| 03/20/2013 | CN102417250B Dynamic membrane purification reactor and method for removing phosphorus from regenerated water |
| 03/20/2013 | CN102381785B Method for recovering waste water containing phosphorus |
| 03/20/2013 | CN102344216B Ultrasonic jet microvacuum denitrification device thereof |
| 03/20/2013 | CN102336506B Treating technology for sludge dewatering separated liquid |
| 03/20/2013 | CN102329054B Mercury-containing wastewater treatment method based on chemical precipitation method |
| 03/20/2013 | CN102311202B Comprehensive treatment method for wastewater of coal coking device |
| 03/20/2013 | CN102276087B Drinking water treatment method for stabilizing water quality |
| 03/20/2013 | CN102267786B Method for removing nitrogen and phosphorus from shallow water lake by using periphytic algae |
| 03/20/2013 | CN102211840B Resource utilization device and method of restaurant wastewater |
| 03/20/2013 | CN102173532B Method for removing pigment of molasses alcohol wastewater by using biotechnology |
| 03/20/2013 | CN102092889B Method for lake purification and water ecological environmental renovation |
| 03/20/2013 | CN102050528B Health-type water activating machine |
| 03/20/2013 | CN102015553B Method for treating and/or pretreating liquid manure or biogas plant reject for the elimination of harmful substances, particularly nitrogen, phosphorus, and odor molecules |
| 03/20/2013 | CN102001768B Integrated low-energy consumption sewage treatment device and method |
| 03/20/2013 | CN101891327B Tea making water for Tie Guanyin tea leaves, production process thereof and production equipment thereof |
| 03/20/2013 | CN101781034B Water treatment agent and preparation method and application thereof |
| 03/20/2013 | CN101701025B Method for extracting humus acid from concentrated waste percolate and treating waste water |
| 03/20/2013 | CN101698556B Treatment method and treatment device of wastewater from middle stage of wheat straw pulp during paper-making |
| 03/19/2013 | CA2512935C Sanitization system and system components |
| 03/14/2013 | WO2013036804A1 Industrial water purification and desalination |
| 03/14/2013 | WO2013036354A1 Desalination system and method |
| 03/14/2013 | WO2013036353A1 Desalination system and method |
| 03/14/2013 | WO2013033841A1 Hybrid desalination system |
| 03/14/2013 | WO2013002535A3 Treatment method for spent caustic soda |
| 03/14/2013 | US20130062282 Method for high efficiency reverse osmosis operation |
| 03/14/2013 | CA2847882A1 Industrial water purification and desalination |
| 03/14/2013 | CA2847306A1 Desalination system and method |
| 03/13/2013 | EP2567944A1 System and method for treating and distributing water |
| 03/13/2013 | EP2567941A1 Brine purification |
| 03/13/2013 | CN202790893U Novel magnetizing water purifying tap |
| 03/13/2013 | CN202790686U Precise water quality distinguishing flow channel converter |
| 03/13/2013 | CN202787405U Household sewage treatment unit |
| 03/13/2013 | CN202785931U Recycling system for sludge liquid supernatant |
| 03/13/2013 | CN202785916U Ultrasonic wave algae removal flowing water machine |
| 03/13/2013 | CN202785915U Water-soluble paint and wastewater treatment device |
| 03/13/2013 | CN202785914U Micro electrolysis oxidation degradation chemical oxygen demand (COD) system |
| 03/13/2013 | CN202785913U Urban miscellaneous water purification photochemical production equipment |
| 03/13/2013 | CN202785912U Water- driven compound biological sewage treatment device |
| 03/13/2013 | CN202785911U Novel high-efficiency hospital wastewater treatment device |
| 03/13/2013 | CN202785910U High-efficiency recycle water treatment device |
| 03/13/2013 | CN202785909U Landfill leachate concentrated liquor short-cut nitrification and nitrification nitrogen removal treatment equipment |
| 03/13/2013 | CN202785908U Wastewater treatment system |
| 03/13/2013 | CN202785907U Electroplating wastewater treatment system |
| 03/13/2013 | CN202785906U Acid heavy metal wastewater treatment system |
| 03/13/2013 | CN202785905U Greening structure capable of achieving sewage treatment |
| 03/13/2013 | CN202785904U Sewage treatment device |
| 03/13/2013 | CN202785903U Land infiltration system suitable for treating rural domestic sewage |
| 03/13/2013 | CN202785902U Organic wastewater processing and recovering system |
| 03/13/2013 | CN202785901U Sewage treatment system with sintered porous packing |
| 03/13/2013 | CN202785900U Unpowered printing and dyeing wastewater treatment system |
| 03/13/2013 | CN202785899U Sewage treatment device |
| 03/13/2013 | CN202785898U Device for treating and recycling wastewater from processing of coal tar |