Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
12/2010
12/08/2010CN101381172B Circulating reuse method of pickling depleted brine and apparatus thereof
12/08/2010CN101309870B Wastewater treatment method comprising decantation and fine screening stages and device for carrying out said method
12/08/2010CN101234836B Garbage percolate treatment technique
12/08/2010CN101200336B Process for zero-discharge treatment of o-phenylenediamine sodium sulfide reduction wastewater
12/08/2010CN101186419B Method for treating electroplating mixed wastewater
12/08/2010CN101148306B Method for treating and utilizing human fecaluria
12/08/2010CN101066818B Process of treating oil-bearing sewage for ternary combination flooding in oil field
12/08/2010CA2841717A1 Immediate cleaning and recirculation of cleaning fluid and method of using same
12/08/2010CA2674353A1 Immediate cleaning and recirculation of cleaning fluid and method of using same
12/07/2010US7846340 Using electrochemistry device such as an electrodeionization device, and ion exchange membrane; water softening and removing scale from e.g. municipal water, well water, brackish water and water containing foulants
12/05/2010CA2678531A1 Apparatus and method for reclamation of treatable water
12/02/2010WO2010137185A1 Apparatus and process for producing both salt and fresh water
12/02/2010WO2010136982A2 Water purifier
12/02/2010WO2010136046A1 Method and system for separation of animal slurry
12/02/2010WO2010135991A1 Molecular resonance membrane (mrm) water treatment device
12/02/2010US20100300985 System and Methods for Treatment of Water Systems
12/02/2010US20100300966 Systems for treatment of wastewater
12/02/2010DE102009023314A1 Device for the treatment of ballast water with acrolein, where the device is connected to main ballast water line of a ballast water device, comprises a reactor device in which acrolein derivative and water are supplied
12/02/2010CA2759860A1 Water purifier
12/01/2010CN201662710U Double-parameter aeration control system for sewage treatment system
12/01/2010CN201660920U Water intake device adopting DF inclined pipe sedimentation method
12/01/2010CN201660534U Sewage treatment device
12/01/2010CN201660533U Papermaking white water advanced treatment and recycling device
12/01/2010CN201660532U Membrane-separation water purification device
12/01/2010CN201660531U Quickly-mounted water collecting tank
12/01/2010CN201660530U Energy-saving filtration biosorption municipal sewage treatment system
12/01/2010CN201660529U Device for treatment of domestic sewage
12/01/2010CN201660528U Sewage treatment unit of hybrid subsurface constructed wetland
12/01/2010CN201660527U Domestic sewage treatment device
12/01/2010CN201660526U Oligodynamic sewage treatment system
12/01/2010CN201660525U Fluidized bed processing device of printing and dyeing wastewater
12/01/2010CN201660524U Medium-size or small-size high-efficiency modularized terminal treatment device for domestic sewage treatment
12/01/2010CN201660523U High-efficiency constructed rapid infiltration wastewater treatment system
12/01/2010CN201660522U Net-mineralization double-core water purifier capable of directly treating raw water
12/01/2010CN201660521U Pressure-accumulative drainage and composite filtering liner mineral magnetization integral water purifier
12/01/2010CN201660520U Multi-functional filter element
12/01/2010CN201660519U Health-care function drinking water container
12/01/2010CN201660518U Waste water treating and reusing device
12/01/2010CN201660517U Device for separating pollutants in refuge leachate
12/01/2010CN201660516U Water-collecting well through inclined plate filtering
12/01/2010CN201660515U Anti-penetration equipment with resin softening device
12/01/2010CN201660514U Full-automatic drinking water non-regeneration fluorine removing device
12/01/2010CN201660513U High arsenic-bearing drinking water treatment equipment
12/01/2010CN201660512U Treatment device for circulating water with high concentration factor
12/01/2010CN201660511U Cold rolling oil-containing waste water pretreatment device
12/01/2010CN201660510U Device for removing oil in restaurant wastewater
12/01/2010CN201660509U Batch membrane biological treatment system
12/01/2010CN201660508U SBR excess sludge reduction device
12/01/2010CN201660507U Device used for treating acidic waste water
12/01/2010CN201660506U Special manual/automatic integrated sewage disposing and iron and manganese removing water filter for underground water and surface water
12/01/2010CN201660505U High-efficiency dechlorinated and residual pesticide water purifier with sewage discharge device
12/01/2010CN201660504U Paper pulp sewage separation device
12/01/2010CN201660503U Portable disposable water purifier
12/01/2010CN201660455U Household sewage treatment recycling device
12/01/2010CN101903297A Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant
12/01/2010CN101899665A Method for recycling copper from acid copper chloride etching liquid
12/01/2010CN101898952A Method and device for treating low-concentration acetic acid wastewater
12/01/2010CN101898857A Method for entrapping and inactivating aquatic organisms in biological activated carbon filter (BACF)
12/01/2010CN101898856A Subsurface flow constructed wetland system of secondary effluent from sewage treatment plant and application thereof
12/01/2010CN101898855A Integrated ex-situ repair system for underground water polluted by volatile organic compound
12/01/2010CN101898854A Method and device for treatment of high-sulfur content and low-permeability oil reservoir produced wastewater
12/01/2010CN101898853A Sewage primary sedimentation treatment method and system for removing intensified suspended solid inorganic component
12/01/2010CN101898852A Method for treating chlorothalonil pesticide wastewater
12/01/2010CN101898851A Membrane bioreactor application process for resisting membrane pollution
12/01/2010CN101898850A Continuous-flow aerobic granular sludge membrane bioreactor used for treating berberine pharmaceutical wastewater
12/01/2010CN101898849A Natural reaeration/sedimentation integrated device for pre-treatment of sewage
12/01/2010CN101898848A Treatment method of wastewater containing ammonia and nitrogen from circuit board plant
12/01/2010CN101898847A System for treating sewage containing nonylphenol polyoxyethylene ether and metabolin
12/01/2010CN101898846A Integrated biological treatment system and implementation method thereof
12/01/2010CN101898845A Wastewater treatment process
12/01/2010CN101898844A Method for treating salt-containing sewage
12/01/2010CN101898843A Organic ecological water fresh-keeping method
12/01/2010CN101898842A Device for treating carbon fume washing water by three-level coagulating sedimentation method and advanced oxidation method
12/01/2010CN101898841A Composite nutrient recycling and methane purifying system matched with animal waste anaerobic fermentation
12/01/2010CN101898840A Method capable of improving ammonia nitrogen and phosphorus removing effect of magnesium ammonium phosphate sediment
12/01/2010CN101898839A Water purifier
12/01/2010CN101898838A Method for separating iron and steel pickling waste liquid through multistage membrane dialysis
12/01/2010CN101898814A Acidic water
12/01/2010CN101898800A Method for preparing iron oxide red by using ferrous chloride
12/01/2010CN101898530A Air-drop water purification vehicle
12/01/2010CN101898198A Method for remedying oil pollution by unitedly using air shatter crack and microorganism and device thereof
12/01/2010CN101897412A Technical search of cleaning production and process of quick frozen organic vegetables
12/01/2010CN101897315A Live stock feeding method
12/01/2010CN101559354B Preparation method of sludge absorber and applications thereof
12/01/2010CN101544436B Method for removing and recovering sulfate in acrylonitrile wastewater by utilizing freezing crystallization
12/01/2010CN101531429B Waste water processing device in production of flexible circuit boards
12/01/2010CN101508503B Coupling biochemical reactor for degradation of persistent organic pollutant in wastewater
12/01/2010CN101503267B Coal chemical industry wastewater treating method
12/01/2010CN101503263B Wastewater treatment recycling technique and equipment thereof
12/01/2010CN101492215B Three-dimensional catalytic oxidation process for treating phenolsulphonic wastewater
12/01/2010CN101475282B Photocatalysis-plant cooperated water purifying method for pisciculture water
12/01/2010CN101456640B Processing method of crystalline silicon texture etch wastewater and system for the same
12/01/2010CN101381173B Cationic dye printing and dyeing wastewater treatment process
12/01/2010CN101327999B Integrated domestic sewage rapid purification reaction apparatus
12/01/2010CN101306897B Reclaimed water recovering process in fruit and vegetable can industry
12/01/2010CN101306884B Purification method of mixed water body with algae and silt
12/01/2010CN101219846B Ultrafiltration membrane coagulation /adsorption/bioreactor integrating advanced water treatment method and device
12/01/2010CN101037283B Treatment method of hydroxybenzene-containing wastewater
11/2010
11/30/2010US7842182 Ozone/UV combination for the decomposition of resistant substances
11/30/2010CA2419857C System for decomposing organic compound