| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/20/2009 | CA2418068C Method and apparatus for removing hydrocarbons from water |
| 01/20/2009 | CA2265058C Treatment of aqueous effluents by injection of carbon dioxide |
| 01/15/2009 | WO2009008771A1 Device for treating and purifying a liquid product |
| 01/15/2009 | WO2009008737A1 Method for treatment of water comprising non-polar compounds |
| 01/15/2009 | DE102007031977A1 Elektrolyseur mit Kondensatorelektroden in einer Magnetfeldpassage zum Entsalzen von Meerwasser Electrolyser with capacitor electrodes in a magnetic passage for the desalination of sea water |
| 01/15/2009 | CA2706978A1 Method for treatment of water comprising non-polar compounds |
| 01/14/2009 | EP2013146A1 Electrolytic process for managing urban sewage |
| 01/14/2009 | CN201180290Y Household full-automatic water-saving system |
| 01/14/2009 | CN201180282Y Ecological utilization system for fresh water and garbage |
| 01/14/2009 | CN201180106Y Apparatus for treating carbonized waste water |
| 01/14/2009 | CN201180105Y Dispersion type sewage water and sewage sludge biochemical treatment system |
| 01/14/2009 | CN201180104Y Self-cleaning bioelement pure water device |
| 01/14/2009 | CN101343893A Feces-water separation system used for city feces reforming scheme |
| 01/14/2009 | CN101343135A Method for treatment of low-concentration organic acid wastewater |
| 01/14/2009 | CN101343134A Ecological treatment apparatus and method for contamination biogas slurry of livestock and poultry cultivation |
| 01/14/2009 | CN101343133A Comprehensive treatment method for wastewater of livestock and poultry cultivation |
| 01/14/2009 | CN101343132A Treatment method for wastewater of polyvinyl chloride (PVC) anticentripetal mother solution |
| 01/14/2009 | CN101343131A Multi-stage combined degradation and recycle method for printing and dyeing wastewater |
| 01/14/2009 | CN101343130A Integrated device for treating and recycling wastewater |
| 01/14/2009 | CN101343129A Pretreatment technique for decolorization of wastewater at middle plate of paper-making pulping |
| 01/14/2009 | CN101343128A Movable combined water correction plant |
| 01/14/2009 | CN101343127A Processing method for recycling wastewater of aluminum industry |
| 01/14/2009 | CN101343126A Apparatus for treatment of domestic wastewater |
| 01/14/2009 | CN101343125A Heavy metal waste water treatment process and apparatus |
| 01/14/2009 | CN101343124A Method and equipment for comprehensive treatment of waste water and waste gas in viscose fiber preparation |
| 01/14/2009 | CN101343123A Technique for recycling acid waste liquid of strip steel |
| 01/14/2009 | CN101343122A Regeneration treatment method and device for black liquor of papermaking |
| 01/14/2009 | CN101343118A Technique for treating sewage water of pig farm with grass |
| 01/14/2009 | CN101342535A Method for removing residual silicon fragment after silicon based plate cutting |
| 01/14/2009 | CN100450946C Printing and dyeing waste water treatment method based on film technology |
| 01/14/2009 | CN100450945C Treatment processes of coke oven gas desulfurization and decyanation waste water |
| 01/14/2009 | CN100450944C Method for treating drilling waste water |
| 01/14/2009 | CN100450943C Method and system unit for flue gas desulfurization and wastewater treatment |
| 01/14/2009 | CN100450942C Method for removing impurities suchas magnesium and recovering sulfuricacid and zinc from zinc electrolytic waste solution |
| 01/14/2009 | CN100450941C Technical methd for treating mine wastewater by using membrane technology |
| 01/14/2009 | CN100450592C Metal smelting factory sewage reclaiming method based on membrane filtering technique |
| 01/13/2009 | US7476323 Desalination on an offshore apparatus |
| 01/13/2009 | US7476312 Fluid treatment system |
| 01/13/2009 | US7476300 Water purification; using very high voltage electric field and small trickle current charge; enhancing removal by filtration and/or adsorption |
| 01/08/2009 | WO2009004257A2 Process for mixed chemical/electrochemical treatment of a liquid medium loaded with nitrates, device for treating such a liquid medium and applications. |
| 01/08/2009 | WO2009004027A1 Method of recovering phosphate from biomass |
| 01/08/2009 | WO2009003369A1 A process for treating fermentation spent liquor from lysine production |
| 01/08/2009 | US20090008338 determining whether septic tank containing liquid and sludge or scum mixture needs to be emptied by locating sensor in mixture wherein sensor is adapted to measure depth of sludge or scum and generate warning signal when sensor is indicative of depth of sludge exceeding predetermined limit |
| 01/08/2009 | US20090008318 Modular Water Purification and Delivery System |
| 01/08/2009 | US20090008314 Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment |
| 01/08/2009 | US20090008309 Method and apparatus for liquid purification |
| 01/08/2009 | US20090008308 Process and equipment for treating ammonium containing liquid |
| 01/08/2009 | US20090008266 Filtration; ionization; turbulence fluid flow; radiation with light |
| 01/08/2009 | DE202008011999U1 Wasserfilteranordnung Water filter assembly |
| 01/08/2009 | DE102007032125A1 Sewage treatment plant, comprises sand trap, pumping station, and two clarifiers, where sedimentation tank and connectable blower are also provided |
| 01/08/2009 | CA2691535A1 Process for mixed chemical/electrochemical treatment of a liquid medium loaded with nitrates, device for treating such a liquid medium and applications. |
| 01/07/2009 | EP2010684A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 01/07/2009 | CN201176608Y Waste water collecting and reusing device |
| 01/07/2009 | CN201176416Y Public multifunction direct drinking machine |
| 01/07/2009 | CN201176415Y Salt-containing waste water treating device |
| 01/07/2009 | CN201175319Y Environmental protection type dishwasher |
| 01/07/2009 | CN101337756A Combined treatment method for waste water by waste liquid in process of synthetic ammonia and alcohol production |
| 01/07/2009 | CN101337755A Biodegradation process for ultra-thick oil waste water in oilfield |
| 01/07/2009 | CN101337754A Advanced treatment method and device for dyeing waste water by ozone iron zinc catalysis |
| 01/07/2009 | CN101337753A Sewage disposal and circling reclamation method |
| 01/07/2009 | CN101337752A Advanced treatment process for paper-making waste water |
| 01/07/2009 | CN101337751A Processing process for production waste water of tetrabutyltin |
| 01/07/2009 | CN101337750A Reclamation and comprehensive treatment method for paper-making waste water |
| 01/07/2009 | CN101337749A Solar desalination process and integrated equipment |
| 01/07/2009 | CN101337748A Sewerage collecting and processing system for domestic garbage |
| 01/07/2009 | CN101337747A Automation control electroplating waste processing process |
| 01/07/2009 | CN101337746A Processing method of high concentration ammonia nitrogen waste water |
| 01/07/2009 | CN101337745A Method for processing production waste water of propylene oxide |
| 01/07/2009 | CN100448789C Technique for treating industrial wastewater of containing sodium sulfate |
| 01/07/2009 | CN100448786C Fluid purification method and its device |
| 01/06/2009 | US7474058 Inductively powered secondary assembly |
| 01/02/2009 | DE202008011994U1 Wasserbehandlungsvorrichtung Water treatment device |
| 01/02/2009 | DE102007031113A1 Aufbereitung von Wasser mit Hypobromitlösung Treatment of water with hypobromite |
| 01/01/2009 | US20090001006 Integrated suction and draining device for the tank of a dishwashing machine and dishwashing machine including such a device |
| 01/01/2009 | US20090001000 Apparatus for treating liquid waste material |
| 12/31/2008 | WO2009002295A1 Purification of a fluid using ozone with an adsorbent and/or a particle filter |
| 12/31/2008 | WO2009001676A1 Oil-contaminated water reutilization system |
| 12/31/2008 | EP2008973A1 Purification of waste water from cleaning of facade walls |
| 12/31/2008 | CN201172848Y Micropressure recovering and processing device for domestic waste water |
| 12/31/2008 | CN201172841Y Civil automatic water storage tank used in countryside |
| 12/31/2008 | CN201172634Y High concentration wastewater treatment mechanism |
| 12/31/2008 | CN101333057A Small-sized box type modularization general-purpose sewage treating apparatus |
| 12/31/2008 | CN101333056A Simple box type modularization sewage treating apparatus |
| 12/31/2008 | CN101333055A Complete plant for treating and recovering printing light polluted waste liquid |
| 12/31/2008 | CN101333054A Method for treating dye waste water by using alkylation waste water |
| 12/31/2008 | CN101333053A Processing method for waste water in production process of fine terephthalic acid |
| 12/31/2008 | CN101333052A Discrete type sewage processing system |
| 12/31/2008 | CN101333051A Process for treating and recovering polyvinyl chloride centrifugation mother liquid by suspension method |
| 12/31/2008 | CN101333050A Waste water treating process of salt-containing propenoic acid and/or salt-containing propylene ester |
| 12/31/2008 | CN101333049A Advanced treatment and reclamation method for oil-salts containing sewerage |
| 12/31/2008 | CN101333048A Pre-treating method and device for cycling treatment for car washing water in city |
| 12/31/2008 | CN101333047A Advanced waste treatment process in process of production of long chain dibasic acid by fermentation method |
| 12/31/2008 | CN101333046A Process for treating waste water in production of barium sulfate |
| 12/31/2008 | CN101333045A Method for treating backwater in stages and recovering the backwater in production of sheet by paper-making method |
| 12/31/2008 | CN101333044A Box type combined sewage treatment system |
| 12/31/2008 | CN101333026A Method and apparatus for removing overproof iron and manganese in underground seawater |
| 12/31/2008 | CN101332446A Device and method for flushing gravel using recirculated water at construction site |
| 12/31/2008 | CN100447957C Manufacture of semiconductor integrated circuit device |
| 12/31/2008 | CN100447101C Treatment technology of mesitylene amine |
| 12/31/2008 | CN100447100C Biological electrochemical combined system for treating dye waste water and method thereof |