| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/17/2013 | CN103043857A Method and device for treating printing and dyeing wastewater by using macroporous adsorption resin |
| 04/17/2013 | CN103043856A Novel multimode A<2>/O oxidation ditch |
| 04/17/2013 | CN103043855A Treatment method for wastewater of low density polyethylene grafted maleic anhydride |
| 04/17/2013 | CN103043854A Process coupling catalyzed iron with biological filter |
| 04/17/2013 | CN103043853A Advanced treatment process and device for sewage |
| 04/17/2013 | CN103043852A Wastewater treatment process and device |
| 04/17/2013 | CN103043851A Water treatment method of microalgae cultivation-flocculation clarifying-filtration in series connection |
| 04/17/2013 | CN103043850A Riverway restoration system adopting intermittent aeration and PRB (permeable reactive barrier) |
| 04/17/2013 | CN103043849A Method for recycling wastewater from papermaking without discharging |
| 04/17/2013 | CN103043848A Sewage treatment system and method thereof |
| 04/17/2013 | CN103043847A Floatation-biochemical treatment method and apparatus of ultra-thick oil sewage |
| 04/17/2013 | CN103043846A Acrylic fiber waste water treatment method |
| 04/17/2013 | CN103043845A Treatment method and device for kitchen waste sewage |
| 04/17/2013 | CN103043844A Method and device for removing heavy metals in industrial sewage by electromagnetic stirring paddle |
| 04/17/2013 | CN103043843A Device and method for extracting sodium acetate from tower bottom wastewater of primary tower in furfural production |
| 04/17/2013 | CN103043842A Filter pressing water treatment equipment |
| 04/17/2013 | CN103043841A ADCA (Azodicarbonamide) foaming agent liquid waste disposal process |
| 04/17/2013 | CN103043840A Method for treating oilfield sulfur-containing produced water with plasma |
| 04/17/2013 | CN103043839A System for removing total organic carbon for demineralization water system for nuclear power station and control method |
| 04/17/2013 | CN103043838A Freezing and thawing treatment method for suspended wastewater |
| 04/17/2013 | CN103043837A Method and system for preparing water for preparation of liquid dosing apparatus |
| 04/17/2013 | CN103043836A Energy-saving and water-saving type water purifier |
| 04/17/2013 | CN103043835A Livestock breeding waste disposal method |
| 04/17/2013 | CN103043834A Rear earth smelting wastewater treatment process |
| 04/17/2013 | CN103043833A Electrochemical method for treating polymer-contained sewage of oilfield |
| 04/17/2013 | CN103043832A Bionic photoelectrocatalysis-multistage filtration combination portable water purifier |
| 04/17/2013 | CN103043831A Treatment method of continental shale gas well fracturing operation waste liquid |
| 04/17/2013 | CN103043830A Method for reducing viscosity of polyacrylamide with chlorine dioxide by acid activator |
| 04/17/2013 | CN103043829A Method and device for pretreating thickened oil refining sewage |
| 04/17/2013 | CN103043828A System and method for treating high-concentration waste liquid |
| 04/17/2013 | CN103043827A Method for removing niobium from sewage |
| 04/17/2013 | CN103043826A Method for removing copper from sewage |
| 04/17/2013 | CN103043825A Method for removing stannum from sewage |
| 04/17/2013 | CN103043824A Method for removing zinc from sewage |
| 04/17/2013 | CN103043823A Method for recycling waste water containing ammonium chloride |
| 04/17/2013 | CN103043822A Ectopic pump circular processing system and method for reactive additives of tea saponin |
| 04/17/2013 | CN103043821A Deep treatment method for printing ink wastewater by membrane method |
| 04/17/2013 | CN103043820A Method for controlling chemical water treatment process of boiler |
| 04/17/2013 | CN103043819A Treatment method of chemical cleaning wastewater |
| 04/17/2013 | CN103043818A Waste water treating method in aluminum section bar oxidizing technology |
| 04/17/2013 | CN103043817A Novel multifunctional drinking water purification plant |
| 04/17/2013 | CN103043816A Graded water treatment equipment |
| 04/17/2013 | CN103043815A Method for synchronously purifying electroplating wastewater, washing wastewater and chemical organic wastewater |
| 04/17/2013 | CN103043814A Method for recycling phosphorous electroless nickel plating solution element in wet process of surface treatment |
| 04/17/2013 | CN103043813A Method and process for treating steelmaking converter gas washing water by adopting divergent CO2 |
| 04/17/2013 | CN103043812A Advanced treatment method for arsenic-containing wastewater |
| 04/17/2013 | CN103043811A High-efficient process system for slime water through drifting separation |
| 04/17/2013 | CN103043810A Reverse osmosis water treatment system |
| 04/17/2013 | CN103043809A Cyclone stripping integration ammonia removal reaction tower |
| 04/17/2013 | CN103043808A Ecologic flowing water system |
| 04/17/2013 | CN103043789A Anaerobic reactor and treatment method of cotton pulp production waste water |
| 04/17/2013 | CN103043779A Flue gas desulfurization waste liquid treatment and activated sludge reduction treatment method |
| 04/17/2013 | CN103043769A Compound agent for removing lead from waste water |
| 04/17/2013 | CN103043744A Method for treating industrial waste water with coal cinder ash |
| 04/17/2013 | CN103041923A Process of recycling ash removing water of wet electrostatic precipitator in thermal power plant |
| 04/17/2013 | CN103041645A Durable water treating equipment |
| 04/17/2013 | CN102583906B Processing device and processing method of nitrogen pollutant in secondary tail water of sewage treatment plant |
| 04/17/2013 | CN102583818B Regeneration treatment method for plate wiping waste liquid of engraving gravure printing machine |
| 04/17/2013 | CN102583804B Efficient full-automatic oil-water separation system |
| 04/17/2013 | CN102531289B On-site purification system for urban black and smelly inland rivers |
| 04/17/2013 | CN102531282B Device and method for quality-based rainwater collection, treatment and utilization |
| 04/17/2013 | CN102531248B Effluent decoloring device |
| 04/17/2013 | CN102503038B Small anniversary composite system for purifying domestic sewage by using water hyacinth |
| 04/17/2013 | CN102491548B Ship ballast water treatment system with molecular sieve for preparing nitrogen |
| 04/17/2013 | CN102417266B Climbing film type multi-effect water distillator |
| 04/17/2013 | CN102399030B Membrane ship ballast water treatment system |
| 04/17/2013 | CN102399027B Integrated reclaimed water reusing device |
| 04/17/2013 | CN102381797B Method for treating waste liquid and waste gas produced by fish meal processing |
| 04/17/2013 | CN102363543B Method for processing wastewater with high content polyvinyl alcohol |
| 04/17/2013 | CN102363537B Sludge backflow treatment system for secondary biochemical system |
| 04/17/2013 | CN102358662B Short-flow annular-grooved modified anaerobic-anoxic-oxic (A2/O) nitrogen and phosphorus removal processing system and processing technique thereof |
| 04/17/2013 | CN102358653B Treatment method of selenium-containing wastewater |
| 04/17/2013 | CN102351345B Method for recovering melamine from melamine waste water and co-producing desulfurizer |
| 04/17/2013 | CN102260025B Biochemical pretreatment process of oily wastewater |
| 04/17/2013 | CN102040301B Method for treating municipal waste leachate membrane concentrated solution |
| 04/17/2013 | CN101955298B Treatment method of anaerobic digested liquid for livestock and poultry breeding pollutants |
| 04/17/2013 | CN101941901B Method for recycling mother solid in PTA-refining wastewater |
| 04/17/2013 | CN101844841B Degreasing device and process |
| 04/17/2013 | CN101732974B Method and system for simultaneously treating source-separated urine and smoke |
| 04/17/2013 | CN101700943B Printing and dyeing waste water advanced treatment and recovery method |
| 04/17/2013 | CN101402510B Monotubular anaerobic-aerobic composite microencapsulation biological fluidized bed automatic control apparatus |
| 04/17/2013 | CN101151220B A device and a method for purifying a liquid with ozone and recirculation |
| 04/16/2013 | CA2750126C Mobile water dispensing unit |
| 04/16/2013 | CA2558143C Dewatering process |
| 04/11/2013 | WO2013051003A1 A self-sustainable integrated solid and liquid waste management, treatment, and energy generation system and method |
| 04/11/2013 | WO2013050870A1 Device for the activation of water, aqueous solutions and non- aqueous liquids through the application of a field of quasi - particles. |
| 04/10/2013 | EP2576453A2 Systems and methods for removing hydrogen peroxide from water purification systems |
| 04/10/2013 | CN202870565U A mine water treatment electrical control device and a mine water treatment system for underground coal mines |
| 04/10/2013 | CN202866884U Safe self-saved water purifying device for mining |
| 04/10/2013 | CN202865902U Multiple water resource optimal configuration water supply system according to different quality |
| 04/10/2013 | CN202865074U Advanced wastewater treatment system |
| 04/10/2013 | CN202865073U High-concentration waste water treatment system |
| 04/10/2013 | CN202865072U Sewage deep treatment device for rainwater draining system of refinery enterprise |
| 04/10/2013 | CN202865071U Domestic sewage treatment device |
| 04/10/2013 | CN202865070U Caprolactam sewage treatment device |
| 04/10/2013 | CN202865069U Reclaimed water recycling circulation system |
| 04/10/2013 | CN202865068U Wastewater treatment system of biopharmaceutical industry |
| 04/10/2013 | CN202865067U Wastewater recovering system |
| 04/10/2013 | CN202865066U Chemical oxygen demand (COD) on-line measuring device applied to sewage treatment |
| 04/10/2013 | CN202865065U Photoelectric complementary solar micro-power sewage treatment system |