| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/25/2012 | CN102329045A Livestock/fowl wastewater biological treatment device |
| 01/25/2012 | CN102329044A Method for treating wastewater from bamboo product |
| 01/25/2012 | CN102329043A Method for treating and printing and dyeing wastewater by using hydrolysis tank |
| 01/25/2012 | CN102329042A System and method for treating fecal sewage through biological filtration |
| 01/25/2012 | CN102329041A Method for treating naphthalene-containing wastewater by using ozone-membrane bioreactor (MBR) combined process |
| 01/25/2012 | CN102329040A Method for processing wastewater in production of synthetic perfume butyrolactones |
| 01/25/2012 | CN102329039A Mud-water separation system |
| 01/25/2012 | CN102329038A Multifunctional water purifying machine |
| 01/25/2012 | CN102329037A Low-temperature multi-effect evaporation sea water desalting device and sea water desalting method |
| 01/25/2012 | CN102329036A High-efficiency method for recovery treatment of saliferous wastewater under zero emission through residual heat utilization |
| 01/25/2012 | CN102329035A Fresh water collecting and supplying system |
| 01/25/2012 | CN102329034A Method for treating zero discharge of metallurgical industrial wastewater |
| 01/25/2012 | CN102329033A Independent-aeration high-voltage pulse discharging water treatment reactor and sewage treatment method thereof |
| 01/25/2012 | CN102329032A Advanced treatment technique for recycling estuary sewage |
| 01/25/2012 | CN102329031A Method for treating sewage in oil fields continuously by cooperating ultrasonic chemistry with electrochemistry |
| 01/25/2012 | CN102329030A Treatment method of chemical nickel-plating wastewater |
| 01/25/2012 | CN102329029A Method for removing fluorin ions in water through electrocoagulation-adsorption |
| 01/25/2012 | CN102329028A Electrochemical treatment method of polluting acid and waste water in gold smeltery |
| 01/25/2012 | CN102329027A Method for treating dinitrodiazophenol industrial wastewater |
| 01/25/2012 | CN102329026A Treatment method of coking wastewater subjected to biochemical treatment |
| 01/25/2012 | CN102329025A Raw water treatment system |
| 01/25/2012 | CN102329024A Treatment method for reducing Cr<6+> in stainless steel acid wastewater |
| 01/25/2012 | CN102329023A Processing method of garbage leachate |
| 01/25/2012 | CN102329022A Drinking water treatment device based on ultrafiltration device |
| 01/25/2012 | CN102329021A High-eutrophication water advanced purification treatment method and device |
| 01/25/2012 | CN102329020A Industrial wastewater treatment device |
| 01/25/2012 | CN102329019A Ultralow-pressure membrane separation device for desalinating bitter and salty water |
| 01/25/2012 | CN102329018A Device for desalting sea water by low-pressure membrane method |
| 01/25/2012 | CN102329017A Purification method and equipment of oily wastewater |
| 01/25/2012 | CN102328987A Ozone reaction system |
| 01/25/2012 | CN102328975A Microorganism control composition for cooling circulating water and preparation method thereof |
| 01/25/2012 | CN102328970A Fresh water replacement system of reverse osmosis seawater desalination device |
| 01/25/2012 | CN102328966A Wastewater zero emission treatment process in glass industry |
| 01/25/2012 | CN101993162B Method for treating reverse osmosis concentrated water |
| 01/25/2012 | CN101985383B Improved four-ditch type oxidation ditch and sewage treatment method thereof |
| 01/25/2012 | CN101973652B Method for purifying molybdenum sulfide in heavy metal waste water containing molybdenum, and the like |
| 01/25/2012 | CN101955282B Method for realizing zero emission of dyeing wastewater with high salinity in printing and dyeing enterprises |
| 01/25/2012 | CN101941780B Anaerobic and aerobic integrated high-density biological stuffing reactor |
| 01/25/2012 | CN101941754B Denitrifying agent for deep treatment of percolate tail water, preparation method and using method |
| 01/25/2012 | CN101899665B Method for recycling copper from acid copper chloride etching liquid |
| 01/25/2012 | CN101870527B Treatment method for preventing drilling fluid from polluting the environment |
| 01/25/2012 | CN101857329B Treatment technique for recycling waste water into industrial ultrapure water |
| 01/25/2012 | CN101857320B Method for treatment of silk degumming wastewater and recovery of silk gum |
| 01/25/2012 | CN101838060B Combined type integrative water purifying plant |
| 01/25/2012 | CN101823811B Method for treating saccharin wastewater |
| 01/25/2012 | CN101805096B Method for treating rubbish percolates of different times for deep denitrification by using bipolar USAB+A/O+SBR process |
| 01/25/2012 | CN101786770B Oligodynamic moving bed sanitary sewage disposal system |
| 01/25/2012 | CN101781049B System and method for treating water recycled from straw pulp papermaking wastewater |
| 01/25/2012 | CN101774716B Water treatment method and device using aluminum oxide secondary condensation water as make-up water of power plant |
| 01/25/2012 | CN101723560B Integrated A/O bacteria filter device for treating dispersed wastewater |
| 01/25/2012 | CN101723556B Improved treatment system of activated sludge of urban sewage and starting method |
| 01/25/2012 | CN101723544B Advanced treatment method of heavy oil sewage |
| 01/25/2012 | CN101723538B Process for treating landfill leachate |
| 01/25/2012 | CN101684027B Device for purifying water in water kiln |
| 01/25/2012 | CN101671095B Garbage leachate treatment technique |
| 01/25/2012 | CN101597108B Method for reducing scaling between oil field oil extraction transportation system and stratum |
| 01/25/2012 | CN101585611B Industrial wastewater and municipal wastewater treatment method |
| 01/25/2012 | CN101555085B Method for disposing urban sewage by solar ecological technology |
| 01/25/2012 | CN101486519B Process for direct circulation and recycling of leather-making salty wastewater |
| 01/25/2012 | CN101357814B Linkage processing method and apparatus of circulatory flow multiplex biochemistry and filtrating |
| 01/25/2012 | CN101190821B Method for treating Fischer-Tropsch synthesis reaction water |
| 01/19/2012 | US20120012539 Water treatment apparatus and method for using same |
| 01/19/2012 | US20120012525 Refuse landfill leachate wastewater treatment system and technology |
| 01/19/2012 | DE102010044277A1 Device, useful for recycling gray water, comprises at least two chambers for gray water, which respectively comprise a flexible material |
| 01/18/2012 | EP2406187A2 Electrolysis method, and method and plant for the pretreatment of raw water |
| 01/18/2012 | EP2231532B1 Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant |
| 01/18/2012 | CN202118887U Energy-saving water feeding system for boiler |
| 01/18/2012 | CN202117635U Multistage self-circulation well flushing truck for oilfield water injection well |
| 01/18/2012 | CN202116475U Recovery processing device for nylon-6 chip extraction water |
| 01/18/2012 | CN202116412U Recycling system of high salinity refractory organic waste water |
| 01/18/2012 | CN202116411U Waste water treatment device |
| 01/18/2012 | CN202116410U Reclaimed water recycling device for greening of urban landscapes |
| 01/18/2012 | CN202116409U Rural sewage pre-treatment device |
| 01/18/2012 | CN202116408U Infiltration medium system for removing pollutants in rainwater runoff |
| 01/18/2012 | CN202116407U Device for treating catering wastewater |
| 01/18/2012 | CN202116406U Biological reaction tank for water purifying treatment |
| 01/18/2012 | CN202116405U Circulating clarification device for sewage treatment system |
| 01/18/2012 | CN202116404U Biological treatment device of toilet flushing sewage |
| 01/18/2012 | CN202116403U Ammonia nitrogen converter for recovered zeolite adsorbent bed |
| 01/18/2012 | CN202116402U Permanent magnet ultrafiltration sewage treatment all-in-one machine |
| 01/18/2012 | CN202116401U Water purifier with dual functions of dechlorination and magnetization |
| 01/18/2012 | CN202116400U Energy filter element tube with information memory function |
| 01/18/2012 | CN202116399U Sewage disposal facility for production of rare earth materials |
| 01/18/2012 | CN202116398U Water supplying and returning device in drinking water device |
| 01/18/2012 | CN202116397U Full-automatic car-washing waste water disposal device |
| 01/18/2012 | CN202116396U Offshore waste water treatment system |
| 01/18/2012 | CN202116395U Circulating cooling water repurifying combination device |
| 01/18/2012 | CN202116394U Industrial waste water treatment device |
| 01/18/2012 | CN202116393U Novel device for treating industrial waste water |
| 01/18/2012 | CN202116392U Precision processing device of condensation water of nuclear power station |
| 01/18/2012 | CN202116391U Vertical sewage treatment equipment with centrifugal settling function |
| 01/18/2012 | CN202116390U Pure water preparation device |
| 01/18/2012 | CN202116389U Ultrafiltration device |
| 01/18/2012 | CN202116388U All-round water purifier |
| 01/18/2012 | CN202116387U Novel purifier |
| 01/18/2012 | CN202116386U Purification and absorption tank filled with hydroxyl ferric oxide for rural drinking water |
| 01/18/2012 | CN202116366U Vertical flow water fall aerating apparatus |
| 01/18/2012 | CN202116359U Additive bottle and water purifier system comprising same |
| 01/18/2012 | CN202113656U High-speed filter |
| 01/18/2012 | CN202112790U Water purification cup |