Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 9 - Multistep treatment of water, waste water or sewage
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
06/2012
06/27/2012CN102515418A Filtering garden system for treating rainwater and domestic sewage
06/27/2012CN102515417A Technology for treating scouring sewage and sludge
06/27/2012CN102515416A Algae-removing and algae-collecting device for photocatalytic oxidation-biological floating bed
06/27/2012CN102515415A Sewage treating vehicle
06/27/2012CN102515414A Waste water treatment system and process used in sugar making industry
06/27/2012CN102515413A Sewage treatment system and treatment method of composite horizontal undercurrent constructed wetland
06/27/2012CN102515412A Ultrafiltration water dispenser
06/27/2012CN102515411A Biological sewage treatment system
06/27/2012CN102515410A Black water treatment system
06/27/2012CN102515409A Process of cleanness maintenance of industrial circulating water at high concentration ratio
06/27/2012CN102515408A Krill processing wastewater treatment and comprehensive utilization method
06/27/2012CN102515407A Gas station phenol water processing process
06/27/2012CN102515406A Treating device for mixed excrements in livestock farm
06/27/2012CN102515405A Geothermal water purification device and method thereof for treating geothermal water
06/27/2012CN102515404A Method for treating rectification waste liquid in maleimide production
06/27/2012CN102515403A Method for removing cyanobacterial bloom and apparatus thereof
06/27/2012CN102515402A Special pipeline-sterilization water purification system
06/27/2012CN102515401A Cyanide wastewater degradation system and cyanide wastewater degradation method thereof
06/27/2012CN102515400A High-efficiency treatment method of ballast water in ship
06/27/2012CN102515399A Electrochemical treatment method of sewage
06/27/2012CN102515398A Method for treating domestic sewage of compound ship
06/27/2012CN102515397A Wastewater treatment process and system
06/27/2012CN102515396A Device for coupling photocatalytic oxidation and inorganic ceramic membrane separation
06/27/2012CN102515395A Method and device for using small-aperture spiral wound ultrafiltration membranes to treat papermaking wastewater
06/27/2012CN102515394A Method for pre-extracting and recovering polyphenol compounds in olive oil treatment wastewater
06/27/2012CN102515393A Acidic chemical deposition drinking water processing method aiming against excessive antimony pollutant in water
06/27/2012CN102515392A Method for processing electroplating wastewater
06/27/2012CN102515391A Method for pre-treating wastewater from ultraviolet absorber production
06/27/2012CN102515390A Device for preparing pure water for analytical laboratory by ion exchange method
06/27/2012CN102515389A Harmless treatment process for acidic copper-containing wastewater
06/27/2012CN102515388A Method for treating high-concentration cyanogen-containing waste water
06/27/2012CN102515387A Method for treating organic wastewater
06/27/2012CN102515386A Automatic mine water treatment process
06/27/2012CN102515385A Treating technology for removing sodium from high sodium salt wastewater and device thereof
06/27/2012CN102515384A Technology for turning wastewater of melamine resin production into resource
06/27/2012CN102515383A Water-saving clarification and purification system and process thereof
06/27/2012CN102515382A Discharged circulated cooling water recycling method
06/27/2012CN102515381A Reclaimed water recovery device
06/27/2012CN102515380A Sewage mechanical treatment and control method and apparatus thereof
06/27/2012CN102515379A Integrated device for sewage pre-treatment in small mountainous town
06/27/2012CN102515378A Recycling and reusing processing equipment and processing method for thermosetting organic impregnating adhesive
06/27/2012CN102515377A Integrated membrane electroplated nickel-contained rinsing water zero-discharging process and special equipment thereof
06/27/2012CN102515376A Rainwater purification filter
06/27/2012CN102515311A Water purification system and method, and module for the system
06/27/2012CN102513335A Harmless environment protection treatment system for urban waste
06/27/2012CN102513093A High-concentration salt-containing wastewater liquid phase oxidation catalyst, preparation method thereof and treatment method
06/27/2012CN102174212B Method for recovering polyether from waste metal processing liquid and application of polyether in concrete slump retaining agent
06/27/2012CN102173525B Method for pretreating wastewater produced during producing metribuzin pesticide
06/27/2012CN102161534B Device for processing dimethylamine exhaust gas and wastewater
06/27/2012CN102145964B Method for treating high-ammonia-nitrogen beryllium-containing waste water
06/27/2012CN102145963B Efficient sewage treatment device and technology using same
06/27/2012CN102107980B Method for removing sulfonic-group-containing dye in alkaline waste water by using magnetic chitosan adsorbent
06/27/2012CN102107971B Papermaking wastewater advanced treatment and recycling device and method thereof
06/27/2012CN102079601B Resource recovery and zero discharge process for treating rare-earth wet-method smelting wastewater
06/27/2012CN102060418B Sewage disposal system for empty tower ecological aeration filter bed
06/27/2012CN102060413B Urban sewage treatment device adopting denitrifying glycogen accumulating organisms (DGAOs) and treatment method thereof
06/27/2012CN102050536B Process for treating electroplating wastewater
06/27/2012CN102020369B Desulfuration waste water treatment process
06/27/2012CN102010097B Method for recycling carbon fiber wastewater
06/27/2012CN102001807B Mobile toilet excrement purification treatment method
06/27/2012CN102001774B Alkaline high-calcium wastewater decalcification treatment method
06/27/2012CN101987765B Sewage treatment method and system used by same
06/27/2012CN101962251B Powdered carbon backflow and carbon/sand filter combined process for treating polluted water
06/27/2012CN101955278B Method for treating sewage from leather making
06/27/2012CN101928084B Treatment method and device of liquid waste containing inorganic salt
06/27/2012CN101898530B Air-drop water purification vehicle
06/27/2012CN101897315B Live stock feeding method
06/27/2012CN101891345B Reinforced simultaneous nitrogen and phosphorus removal sewage treatment equipment and method for municipal sewage with low carbon source at low oxygen concentration
06/27/2012CN101891331B Integrated treatment device for active carbon adsorption and electrochemical regeneration and use method thereof
06/27/2012CN101885545B Method for processing waste water generated in color coated sheet production in steel industry
06/27/2012CN101880099B Treatment process for oilfield water comprehensive recovery
06/27/2012CN101863580B Process for treating oil field water
06/27/2012CN101838079B Ultrasonic atomization and vaporization seawater desalination desalting device and method
06/27/2012CN101838065B Method for recycling hexavalent chromium in electrolytic manganese production tail end wastewater
06/27/2012CN101817620B Method for distributing holes for subsurface infiltration sewage dispersion pipe
06/27/2012CN101805079B Method for preprocessing waste water generated in ABS resin production
06/27/2012CN101805071B Method for supervision and control of sewage treatment process
06/27/2012CN101792224B Method and device for processing emptied water of delayed coking
06/27/2012CN101781008B Method for pre-treating cold-rolled silicon steel coat waste liquid
06/27/2012CN101734814B Method for fast degrading organic dye waste water
06/27/2012CN101708921B Tertiary treatment process for treating gravure printing wastewater
06/27/2012CN101708916B Closed circulation and zero emission processes for papermaking wastewater
06/27/2012CN101708913B Ultrasonic wave and ultraviolet ray integral sterilizing device
06/27/2012CN101618924B Wastewater treatment device
06/27/2012CN101560043B Papermaking wastewater treatment device
06/27/2012CN101519249B Method for treating hydrolyzed waste water and recovering resource in disperse blue production process
06/27/2012CN101348313B Papermaking waste water processing technological process based on membrane biological reactor
06/27/2012CN101348312B Processing apparatus and processing method of oil-containing waste water
06/27/2012CN101088938B Process of treating heavy metal containing sewage
06/26/2012CA2584947C Wastewater treatment and recycling system
06/26/2012CA2546103C Water treatment system and method
06/21/2012WO2012082259A1 Chemical oxidation or electromagnetic treatment in sago operations
06/21/2012US20120152721 Method for Treating Water In Order to Desalinate Said Water, Including Treating Concentrates
06/21/2012US20120152546 Chemical oxidation or electromagnetic treatment in sagd operations
06/21/2012DE102012001551A1 Method and device, useful for treating polluted rainwater, where water running over road gully passes into organic-mud bucket, through natural-fabric bag filled with natural chopped straw and natural pellets that are bound with salt, or oil
06/21/2012DE102006051116B4 Filteranordnung zur Wasseraufbereitung Filter assembly for water treatment
06/21/2012CA2819780A1 Chemical oxidation or electromagnetic treatment in sagd operations
06/20/2012EP2465823A2 Washing system for nitroaromatic compounds
06/20/2012EP2464609A1 Enhanced high water recovery membrane process
06/20/2012EP2464608A1 Water filtration sytem with activated carbon and zeolite
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