| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/27/2011 | CN201809251U Membrane filtration concentrated solution treatment device for landfill leachate |
| 04/27/2011 | CN201809250U Novel biological treatment removal tank for total nitrogen in landfill leachate |
| 04/27/2011 | CN201809249U Artificial filler underground infiltration domestic sewage treatment system |
| 04/27/2011 | CN201809248U Sequencing mud-membrane symbiosis integrated water treatment equipment |
| 04/27/2011 | CN201809247U Low-carbon dual-mode biological water purification equipment |
| 04/27/2011 | CN201809246U Sewage treatment equipment |
| 04/27/2011 | CN201809245U Assembled device for quality-divided purification and quality-divided water supply |
| 04/27/2011 | CN201809244U Adjustable tap water filter |
| 04/27/2011 | CN201809243U Disaster-relief water-purifying emergency vehicle-mounted equipment |
| 04/27/2011 | CN201809242U Device for recycling sewage caused by culturing bean sprouts |
| 04/27/2011 | CN201809241U Novel water purification device |
| 04/27/2011 | CN201809240U Chemical fiber wastewater advanced treatment system |
| 04/27/2011 | CN201809239U Reclaimed water recycling device of industrial waste water |
| 04/27/2011 | CN201809238U Circulating water tank for coating finish paint |
| 04/27/2011 | CN201809237U Composite integrated filter core |
| 04/27/2011 | CN201809236U Household reverse osmosis pure water machine without concentrated water discharging |
| 04/27/2011 | CN201809235U Corrugated paper production water recycling device |
| 04/27/2011 | CN201809234U Float valve type fully automatic purification water bucket |
| 04/27/2011 | CN201809233U Water filter filtering hot-container-type water dispenser |
| 04/27/2011 | CN201809232U Hydraulic automatic fine filter |
| 04/27/2011 | CN201809231U Intelligent dual-time-control adjustable type water saver of pure water equipment |
| 04/27/2011 | CN201809230U Water-saving reverse osmosis treatment device with automatic adjustment controllability |
| 04/27/2011 | CN201809229U Booster pump specially used for reverse osmosis (RO) water maker |
| 04/27/2011 | CN102030449A Method for treating metallurgical coking wastewater by using microelectrolysis-membrane bioreactor |
| 04/27/2011 | CN102030448A Discharged water collector of eddy-current fixed microbiological aeration tank |
| 04/27/2011 | CN102030447A Three-level comprehensive physicochemical and biochemical treatment method for papermaking wastewater |
| 04/27/2011 | CN102030446A Sewage treatment device of integral-type biozeolite bed-membrane bioreactor |
| 04/27/2011 | CN102030445A Four-step method for processing and recycling tin ore floatation wastewater |
| 04/27/2011 | CN102030444A Method for processing sewage and rainwater in rural villages |
| 04/27/2011 | CN102030443A Terrace type composite vertical flow forest wetland and domestic sewage treatment method thereof |
| 04/27/2011 | CN102030442A Discharge and standard reaching treatment method for thick oil sewage of oilfields |
| 04/27/2011 | CN102030441A Method for treating wastewater in production of sebacic acid |
| 04/27/2011 | CN102030440A Mercury-polluted water treatment process |
| 04/27/2011 | CN102030439A Sewage and waste acid treatment device and treatment process thereof |
| 04/27/2011 | CN102030438A Treatment method of ammonia nitrogen wastewater |
| 04/27/2011 | CN102030437A Method for comprehensive wastewater desalination and zero release in steel production |
| 04/27/2011 | CN102030436A Method for treating sulfite-containing wastewater |
| 04/27/2011 | CN102030435A Method for treating oil field drilling waste water |
| 04/27/2011 | CN102030434A Method for pretreating cyclohexanone ammoximation waste water |
| 04/27/2011 | CN102030433A Method for treating pure terephthalic acid refined wastewater |
| 04/27/2011 | CN102030432A Method for treating sewage through catalytic oxidation |
| 04/27/2011 | CN102030431A Process method for recovering nitrogen and phosphorus composite nutrients from biogas slurry and purifying primary methane |
| 04/27/2011 | CN102030430A Water treatment system |
| 04/27/2011 | CN102030429A Condensed water precision-processing system |
| 04/27/2011 | CN102030428A Automatic-adjusting reverse osmosis produced water conductivity system |
| 04/27/2011 | CN102030410A Improved magnetic powder high concentration activated sludge process for sewage treatment |
| 04/27/2011 | CN102030401A Method for decyanating coking wastewater |
| 04/27/2011 | CN102030349A Method for extracting magnesium hydroxide by using boric sludge and treating dye wastewater |
| 04/27/2011 | CN102030342A Method and device for recovering anhydrous sodium sulfate from hydroxy benzotriazole production waste liquor |
| 04/27/2011 | CN102029111A Flow channel switching device |
| 04/27/2011 | CN102028982A Instrument for cleaning intestine |
| 04/27/2011 | CN101654315B Electrical biofortification domestic sewage treatment device |
| 04/27/2011 | CN101633541B Integrated technology for deep purification treatment for printing and dyeing waste water |
| 04/27/2011 | CN101624252B Efficient treatment process for printing and dyeing waste water |
| 04/27/2011 | CN101580319B Processing method for waster water generated in the process of synthesizing vanilline by glyoxylate method |
| 04/27/2011 | CN101560039B Landfill leachate wastewater treatment system and process thereof |
| 04/27/2011 | CN101549938B Method for treating waste water containing high concentration of organosilicon |
| 04/27/2011 | CN101549923B Neutralizer for treating oily waste water by chemical neutralization, method and system |
| 04/27/2011 | CN101544437B Process method for recovering ammonium chloride and sodium chloride from waste water containing ammonium chloride and sodium chloride |
| 04/27/2011 | CN101538269B Recovery method for dealcoholizing waste water in glycine technology of chloroactic acid method |
| 04/27/2011 | CN101481198B Deep treatment method for domestic sewage of coal mining area |
| 04/27/2011 | CN101481195B Anaerobic-aerobic combined biological treatment method for oily wastewater of cold rolling mill |
| 04/27/2011 | CN101475604B Method for preparing highly sulfonated sodium lignosulfonate |
| 04/27/2011 | CN101462806B Method for improving seawater desalination sweet water yield and reutilizing concentrated seawater |
| 04/27/2011 | CN101456635B Process and system for treating electric power plant waste water |
| 04/27/2011 | CN101417849B Design calculation method for expansion of sewage disposal plant |
| 04/27/2011 | CN101402502B Treatment method and apparatus for mifepristone wastewater |
| 04/27/2011 | CN101357810B Vacuum collection and vacuum treatment process of fecal sewage and equipment thereof |
| 04/27/2011 | CN101343129B Pretreatment technique for decolorization of wastewater at middle plate of paper-making pulping |
| 04/26/2011 | US7931810 Water purification system and method |
| 04/26/2011 | CA2492183C Method and device for recycling metal pickling baths |
| 04/26/2011 | CA2450117C Method and apparatus for disinfecting a refrigerated water cooler reservoir |
| 04/21/2011 | WO2011046197A1 Waste water cleaning system, washing device, and ink jet printer system |
| 04/21/2011 | WO2011044782A1 Super advanced sewage treatment method and device |
| 04/21/2011 | US20110089109 Method for treatment of sludge |
| 04/20/2011 | EP2310330A1 Method of chemical-mechanical treatment of waste waters from operation of tanneries |
| 04/20/2011 | CN201801448U Micro-grid structured ozone dynamic biological treatment integrated equipment |
| 04/20/2011 | CN201801447U Rainwater infiltration and purification device |
| 04/20/2011 | CN201801446U Sewage separation purifying box |
| 04/20/2011 | CN201801445U Integrated wastewater treatment device for circular reaction in aerobic fluidized bed |
| 04/20/2011 | CN201801444U Underground integrated nano-composite material sewage treatment tank |
| 04/20/2011 | CN201801443U Distributed sewage regenerator and control system |
| 04/20/2011 | CN201801442U Pipe purification device for water system |
| 04/20/2011 | CN201801441U Combined water treatment equipment |
| 04/20/2011 | CN201801440U Multi-stage overlapped material water regulating water supply system for low-temperature multiple-effect sea water desalination device |
| 04/20/2011 | CN201801439U Laboratory wastewater treatment device |
| 04/20/2011 | CN201801438U Industrial water purifier |
| 04/20/2011 | CN201801437U Integrated device used for treating acidic mine water with high concentration of iron and manganese by modified pulverized fuel ash |
| 04/20/2011 | CN201801436U Solar variable-frequency boiler feedwater treatment device |
| 04/20/2011 | CN201801435U Drinking water disinfecting purifier |
| 04/20/2011 | CN201801434U Water generator |
| 04/20/2011 | CN201801433U Concentrated water recovering system |
| 04/20/2011 | CN201801432U Water circulation system in silicon carbide production |
| 04/20/2011 | CN201801431U Large-scale reverse-osmosis pure water treatment and saving device |
| 04/20/2011 | CN201801430U Deposition filter tank for gypsum sewage of stomatology department |
| 04/20/2011 | CN201801429U Novel activated carbon filter |
| 04/20/2011 | CN201801428U Simple high-efficiency energy-saving hydrotreater |
| 04/20/2011 | CN201801427U Reverse osmosis water purifier without wastewater and pressure tank |
| 04/20/2011 | CN201801426U Waste-water-free reverse osmosis water purifier |
| 04/20/2011 | CN201801425U Algae absorbing device in landscape water body |