| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/15/2009 | CN101407364A Method for decolouration of waste water by using boiling and dyeing furnace cinder |
| 04/15/2009 | CN100478289C Method for treating medium and terminal garbage percolate |
| 04/15/2009 | CA2610599A1 An integrated water processing technology |
| 04/14/2009 | US7517458 Process obtaining landfill disposable wasted from hydrocarbon containing sludge |
| 04/14/2009 | US7517448 Recycling cool water filter |
| 04/09/2009 | WO2009044076A2 Method for continuous processing of solid organic products and installation for continuous processing of solid organic products |
| 04/09/2009 | US20090092606 Antibacterial treatments |
| 04/08/2009 | CN201217824Y Household water-saving system |
| 04/08/2009 | CN201216485Y Water-strainer |
| 04/08/2009 | CN101405229A Apparatus for treating waste water |
| 04/08/2009 | CN101402510A Monotubular anaerobic-aerobic composite microencapsulation biological fluidized bed automatic control apparatus |
| 04/08/2009 | CN101402509A Treatment system and method for high-salt wastewater |
| 04/08/2009 | CN101402508A Sequencing batch type static state deposition method and system |
| 04/08/2009 | CN101402507A Constant-water level CAST wastewater treatment method and system |
| 04/08/2009 | CN101402506A Process for treating dimethyl sulfoxide wastewater with photocatalysis and oxidization combined film bioreactor |
| 04/08/2009 | CN101402505A Advanced treatment method for printing and dyeing wastewater |
| 04/08/2009 | CN101402504A Treatment system for wastewater without sewage sludge |
| 04/08/2009 | CN101402503A Treatment method for wastewater from dinitrobenzene production with benzene mixed acid nitrification |
| 04/08/2009 | CN101402502A Treatment method and apparatus for mifepristone wastewater |
| 04/08/2009 | CN101402501A Innocent treatment process for hospital sewage and full-automatic control device thereof |
| 04/08/2009 | CN101402500A Film treatment method for black liquor from papermaking |
| 04/08/2009 | CN101402499A Method for concentrating waster solution from process for processing seafood |
| 04/08/2009 | CN101402498A Vacuum concentration treatment method for wastewater from nitrotoluene production process |
| 04/08/2009 | CN101402497A Electric ion removing method and device for recycling inorganic ammonia nitrogen wastewater |
| 04/08/2009 | CN101402496A Clean production process for treating electroplating poaching water with nona-filtering method |
| 04/08/2009 | CN101402495A Process for treating waste water from thiol methyl tin production |
| 04/08/2009 | CN101402494A System for extracting concentrated liquor from water at deep layer of ocean and extracting process thereof |
| 04/08/2009 | CN101402493A Method for treating high-fluorine sewage water |
| 04/08/2009 | CN101402492A Wastewater treatment system and method for improving coefficient of recovery |
| 04/08/2009 | CN101402482A Method for removing low-concentration natural organic matter in water |
| 04/08/2009 | CN101402071A Electric potential regulating and controling differential flotation process for copper-plumbum-zinc vulcanizing mine |
| 04/08/2009 | CN100475728C Integral synchronous denitrification dephosphorizing bioreactor |
| 04/08/2009 | CN100475727C Double side diverting and hydraulically circular clarifying waste water treating method |
| 04/08/2009 | CN100475726C Water filter |
| 04/08/2009 | CN100475725C Complex filter and high-purity water producing method and equipment with the complex filter |
| 04/08/2009 | CN100475724C Economy type integrated water treatment plant |
| 04/08/2009 | CN100475723C Oily sewage treatment process and treater thereof |
| 04/08/2009 | CN100475306C Filtering method for colloidal solution |
| 04/02/2009 | WO2009042388A2 Modular oil-based sludge separation and treatment system |
| 04/02/2009 | CA2700537A1 Modular oil-based sludge separation and treatment system |
| 04/01/2009 | EP2040812A1 A method and device for purifying wastewater |
| 04/01/2009 | CN201214803Y Waste processing and resource reclaiming system for ecological district construction |
| 04/01/2009 | CN101397179A Double film dephosphorization system and dephosphorization method |
| 04/01/2009 | CN101397178A Livestock and poultry raising sewage disposal process and disposal system thereof |
| 04/01/2009 | CN101397177A Treatment and recovery method of F-T synthesis reaction water |
| 04/01/2009 | CN101397176A Integrated auto-return multi-stage biochemical wastewater treatment device with mud scraper |
| 04/01/2009 | CN101397175A Innocent treatment process and device for waste and old lithium ionic cell electrolyte |
| 04/01/2009 | CN101397174A Primary pure water processing method for manufacturing color picture tube |
| 04/01/2009 | CN101397156A Method for disinfecting and purifying liquids and gasses |
| 04/01/2009 | CN100473617C Treatment method for circular utilizing of zinc electrolyzation flushing waste water |
| 04/01/2009 | CN100473612C Method for recovering synthetic-leather waste water |
| 03/31/2009 | US7510933 Fabrication method of semiconductor integrated circuit device |
| 03/31/2009 | US7510658 Mobile desalination plants and systems, and methods for producing desalinated water |
| 03/31/2009 | CA2317421C Flowthrough batch liquid purifier |
| 03/26/2009 | WO2009010144A3 Device and filter unit for water treatment |
| 03/26/2009 | US20090078632 Modular oil-based sludge separation and treatment system |
| 03/26/2009 | US20090078416 Water Treatment Method for Heavy Oil Production Using Calcium Sulfate Seed Slurry Evaporation |
| 03/25/2009 | EP2038224A2 Mobile unit for the treatment of raw water |
| 03/25/2009 | EP1487746A4 Pre- and post-treatment system and method for periphyton filtration using ozone |
| 03/25/2009 | CN201212951Y Front middle disposed manual and automatic integrated sewage discharging control system device special for water purifier |
| 03/25/2009 | CN201212165Y Rain water automatic collection processor |
| 03/25/2009 | CN201212029Y Integrated treatment device of retting hemp waste water |
| 03/25/2009 | CN201212028Y High oxygen-containing water purifier |
| 03/25/2009 | CN201212027Y Device for processing sewage into living water |
| 03/25/2009 | CN201212026Y Nano high energy active water generator |
| 03/25/2009 | CN201212022Y Open type cooling circulating water comprehensive treatment device |
| 03/25/2009 | CN101392543A Rain water collecting disposer |
| 03/25/2009 | CN101392463A Soaping processing and dyeing waste water decoloring after instead of reactive dyes dyeing by using Fenton method |
| 03/25/2009 | CN101391856A Aerobic biomineralization method of bromamine acid |
| 03/25/2009 | CN101391855A Method for treating rural disperse sewage by using high load vermibiofilter |
| 03/25/2009 | CN101391854A Treatment process of printing and dyeing wastewater and chemical wastewater and structures thereof |
| 03/25/2009 | CN101391853A Chemical wastewater recovery processing technique and apparatus |
| 03/25/2009 | CN101391852A Processing method of polychloroethylene (PVC) centrifugal mother liquor waste water |
| 03/25/2009 | CN101391851A Treatment process of p toluidine-containing high concentration refractory organic wastewater |
| 03/25/2009 | CN101391850A Chlorobenzene and nitrochlorobenzene production waste water microbial treatment method |
| 03/25/2009 | CN101391849A Waste water purifying machine of car wash |
| 03/25/2009 | CN101391848A Comprehensive treatment method of ammonia-containing waste water in production of metiram type products |
| 03/25/2009 | CN101391847A Method for treating tailing water from mineral processing plant by microwave |
| 03/25/2009 | CN101391846A Electrochemistry method for treating oilfield produced water into confecting polymer water |
| 03/25/2009 | CN101391845A Method for recovering arsenic from arsenic-containing acid wastewater purification process |
| 03/25/2009 | CN101391844A Salting pickled vegetable brine recovery technique |
| 03/25/2009 | CN101391843A Sewage disposal method and apparatus after asphalt flue gas wet cleaning |
| 03/25/2009 | CN101391831A Harmful substance removal method from pineapple irrigation water |
| 03/25/2009 | CN101391800A Method for producing basic copper chloride, cupric sulfate pentahydrate from copper-containing etching waste liquid |
| 03/25/2009 | CN101391799A Method for recovery processing of ammonia nitrogen from printed circuit board waste liquid |
| 03/25/2009 | CN101391162A UV water-filter control device and water pressure switch group |
| 03/25/2009 | CN100471801C Domestic sewage resource treatment process and device with zero discharge of biological sludge |
| 03/25/2009 | CN100471800C Integrated device for treating domestic sewage on fluidized bed |
| 03/25/2009 | CN100471799C Integrated treatment device for industrial waste water |
| 03/25/2009 | CN100471798C Highly effective waste water treatment technique |
| 03/24/2009 | US7507846 Oil comprising fatty acid triglycerides is heated and transesterified in the presence of alkyl alcohol and the transesterification catalyst in a closed, recirculating transesterification flow system under slight cavitation to yield product alkyl ester and product glycerol; alkyl esters of triglycerides |
| 03/24/2009 | US7507344 Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid |
| 03/24/2009 | US7507338 Universal water purifier unit assembly device |
| 03/24/2009 | US7507217 Device for exchanging and/or docking functional modules |
| 03/19/2009 | WO2009033291A1 Wastewater treatment |
| 03/19/2009 | US20090071890 Water dispenser and filter cartridge for use therein |
| 03/19/2009 | US20090071838 Electrochemical apparatus with retractable electrode |
| 03/19/2009 | DE202008002098U1 Vorrichtung zur Energetisierung von Wasser Device to energize water |
| 03/19/2009 | CA2699424A1 Wastewater treatment |
| 03/18/2009 | EP2036866A1 Method and apparatus for treating selenium-containing wastewater |