| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/27/2013 | CN102942288A Three-step series anaerobic-aerobic treating process with low energy consumption and emission reduction for sewage treatment |
| 02/27/2013 | CN102942287A Method for processing electroplating wastewater |
| 02/27/2013 | CN102942286A Combined process of high-carbon and high-nitrogen organic wastewater treatment |
| 02/27/2013 | CN102942285A Sewage treatment system and method for natural gas purifying factory in H2S-containing gas field |
| 02/27/2013 | CN102942284A Method for preparing biological fluidized bed carrier and treating waste water |
| 02/27/2013 | CN102942283A Magneto-optical sewage treatment apparatus |
| 02/27/2013 | CN102942282A Preparation method of water used for oilfield flooding, water flooding and water gathering |
| 02/27/2013 | CN102942281A Treatment method of high-concentration mixing organic acid waste water |
| 02/27/2013 | CN102942280A Method for decomplexing heavy metal ammonia complex in high-concentration ammonia-nitrogen wastewater |
| 02/27/2013 | CN102942279A Treatment method for circulating water sewerage and reverse osmosis concentrated water and equipment thereof |
| 02/27/2013 | CN102942278A Method for treating acidic copper-containing waste liquid |
| 02/27/2013 | CN102942277A Method for enhancing photoelectric catalytic degradation effect of tetracycline drugs |
| 02/27/2013 | CN102942276A Boiler feedwater treatment method and treatment system related to reuse of reclaimed water |
| 02/27/2013 | CN102942275A Method for treating medicament waste water with organic phosphorous water |
| 02/27/2013 | CN102942274A Treatment method of saline and alkaline wastewater in copper oxide production process |
| 02/27/2013 | CN102942273A Non-equilibrium adsorption seawater decalcification treatment method by using plate and frame filter press |
| 02/27/2013 | CN102942272A Treatment method for sea water decalcification through equilibrium adsorption of centrifuge |
| 02/27/2013 | CN102942271A Comprehensive treatment process of inorganic laboratory wastewater |
| 02/27/2013 | CN102942270A Technology for deeply treating and recycling biochemical effluent of coking wastewater |
| 02/27/2013 | CN102942269A Concurrent boiler feed water treatment method for weak oxidation treatment and pH (potential of hydrogen) coordination control |
| 02/27/2013 | CN102942268A Method for treating sulfuric acid wastewater in pyrite production |
| 02/27/2013 | CN102942267A Method and device for advanced treatment of printing and dyeing wastewater |
| 02/27/2013 | CN102942266A Bromo-aliphatic hydrocarbon compound production waste water treatment method |
| 02/27/2013 | CN102942265A Whole-membrane-process water treatment integration device |
| 02/27/2013 | CN102942264A Vehicle-mounted emergency drinking water production device |
| 02/27/2013 | CN102942263A Sewage treatment method |
| 02/27/2013 | CN102942262A Horizontal well fracturing wastewater treatment and resource utilization method |
| 02/27/2013 | CN102942261A Water-saving reverse-osmosis water purifier |
| 02/27/2013 | CN102942260A Full-automatic oil separation lifting integrated device |
| 02/27/2013 | CN102942252A Combined zoology purifying cage |
| 02/27/2013 | CN102503007B Oil-base mud discharge treatment method |
| 02/27/2013 | CN102452762B Method for treating wastewater of caprolactam production |
| 02/27/2013 | CN102381807B Method for resource utilizing isothermal industrial chelonian culture waste water |
| 02/27/2013 | CN102336496B Method for treating and recycling ash water in dry coal dust gasification device |
| 02/27/2013 | CN102329036B High-efficiency method for recovery treatment of saliferous wastewater under zero emission through residual heat utilization |
| 02/27/2013 | CN102311193B Method for treating filter cake filter-press filtrate in polyolefin catalyst production |
| 02/27/2013 | CN102295382B Treatment method of two-step wet acrylic fiber production wastewater |
| 02/27/2013 | CN102234161B Method for treating high-concentration arsenic-containing wastewater |
| 02/27/2013 | CN102234160B Method for treating low-concentration arsenic-containing wastewater |
| 02/27/2013 | CN102211836B Sludge circulation type continuous loop-type reaction tank |
| 02/27/2013 | CN102211832B Method for treating cutting fluid wastewater by photocatalytic oxidation |
| 02/27/2013 | CN102167454B Device and method for recovering ammonia during wastewater treatment |
| 02/27/2013 | CN102120658B Treatment and recycling method of ammonia nitrogen in electrolytic manganese production end wastewater |
| 02/27/2013 | CN102070257B Piston pressurization cascade filtration integrated portable water purifier |
| 02/27/2013 | CN101913722B Method and device for preparing mineral water |
| 02/27/2013 | CN101898850B Continuous-flow aerobic granular sludge membrane bioreactor used for treating berberine pharmaceutical wastewater |
| 02/27/2013 | CN101774715B System and method for advanced treatment and reuse of dyeing wastewater |
| 02/26/2013 | DE202013001082U1 Chemiefreie Wasseraufbereitung für Portalwaschanlagen, durch Belebung und Beckenausrüstung Chemical-free water treatment for over washes, the vitality and tank equipment |
| 02/21/2013 | US20130043195 Water reclamation systems and methods |
| 02/21/2013 | DE102011081054A1 Wasserbereiter Water Heater |
| 02/21/2013 | DE102011081015A1 Verfahren zur Wiederaufbereitung eines Abwassers und Wasseraufbereitungsvorrichtung A method for reclaiming a waste water treatment device and water |
| 02/21/2013 | DE102011081007A1 Verfahren zur Wiederaufbereitung eines Abwassers und Wasseraufbereitungsvorrichtung A method for reclaiming a waste water treatment device and water |
| 02/20/2013 | EP2559668A1 Water preparation device |
| 02/20/2013 | EP2559667A1 Treatment method of wastewater containing persistent substances |
| 02/20/2013 | EP2558420A1 Membrane bioreactor having mixed liquor and air conduits in a filtration tank |
| 02/20/2013 | EP2558415A1 Methods and devices for enhancing contaminant removal by rare earths |
| 02/20/2013 | CN202745130U Novel environment-friendly household toilet flushing device |
| 02/20/2013 | CN202745117U Surge tank water supply control system with purification function |
| 02/20/2013 | CN202744427U Integral multi-cycle biological multiplication sewage treatment system |
| 02/20/2013 | CN202744426U Clean water treatment combination unit in tap water plant |
| 02/20/2013 | CN202744425U Vertical-type micropower domestic sewage treatment device |
| 02/20/2013 | CN202744424U Polysilicon wastewater treatment device |
| 02/20/2013 | CN202744423U Integrated bio-contact oxidation device for treating rural domestic sewage |
| 02/20/2013 | CN202744422U Device for treating sewage produced by drying sludge |
| 02/20/2013 | CN202744421U Processing system for implementing up-to-standard discharge of wastewater generated from fermentation-type pharmacy |
| 02/20/2013 | CN202744420U Novel sewage treatment device |
| 02/20/2013 | CN202744419U Ecological purification device for treating biogas slurry for breeding livestock and poultry |
| 02/20/2013 | CN202744418U Water treatment device with functions of filtering and descaling |
| 02/20/2013 | CN202744417U Integrated oil removal device for oily waste water of kitchen garbage |
| 02/20/2013 | CN202744416U Light-concentration solar water treatment device |
| 02/20/2013 | CN202744415U Landfill leachate treatment device |
| 02/20/2013 | CN202744414U Rare metal waste water zero discharge device |
| 02/20/2013 | CN202744413U Full direct drinking water processing system of kitchen |
| 02/20/2013 | CN202744412U Convenient separated-type cleaning device |
| 02/20/2013 | CN202744411U Water quality improvement device |
| 02/20/2013 | CN202744410U Chemical circulating sewage sludge recycling device |
| 02/20/2013 | CN202744409U Underground mine water integrated treatment equipment |
| 02/20/2013 | CN202744408U Intelligent water purifier capable of optimizing TDS (total dissolved solid) value and pH value of drinking water |
| 02/20/2013 | CN202744407U Wireless remote detection and control system applied to sewage treatment in oil field |
| 02/20/2013 | CN202744406U Riverway water purification and water resource supply system |
| 02/20/2013 | CN202744405U Device for processing and purifying liquid waste produced in the preparation process of kerogen |
| 02/20/2013 | CN202744404U Glass deep-processing sewage reuse and treatment system |
| 02/20/2013 | CN202744403U Skid-mounted oil field fracturing liquid waste treatment device |
| 02/20/2013 | CN202744402U Device for processing waste emulsion from rolling of aluminum ingot and waste liquor from grinding of grinding machine |
| 02/20/2013 | CN202744401U Deep recycling system for chromium-bearing sludge leached water |
| 02/20/2013 | CN202744400U System for recycling electroplating wastewater and heavy metal ions |
| 02/20/2013 | CN202744399U Energy-saving device for cyclic utilization of wastewater from processing of soybean products |
| 02/20/2013 | CN202744398U Liquid level height exceeding alarm device for oilfield three-phase separator |
| 02/20/2013 | CN202744397U Unbypassed desulfurization wastewater treatment system |
| 02/20/2013 | CN202744396U Novel emergency rescue water treatment device |
| 02/20/2013 | CN202744395U Sewage circulation treatment equipment for producing life web |
| 02/20/2013 | CN202744394U Sewage treatment equipment |
| 02/20/2013 | CN202744393U Fine filtering device for oily sewage subjected to twice treatment of water-injection aerosol outside filter |
| 02/20/2013 | CN202744392U Water filtering device for starch production |
| 02/20/2013 | CN202744391U Sterilizing water dispenser |
| 02/20/2013 | CN202744377U Baffling bed biological membrane reactor |
| 02/20/2013 | CN202740879U Drinking water purifier |
| 02/20/2013 | CN102936085A Stacked biological denitrification sewage treatment technology and device |
| 02/20/2013 | CN102936084A Printing and dyeing wastewater treatment process without sludge discharge |
| 02/20/2013 | CN102936083A Device and method for removing refractory organics and total nitrogen in waste water simultaneously |