| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/30/2010 | US20100243544 Sewage treatment apparatus and sewage reuse system |
| 09/30/2010 | DE102009012834A1 Preventing anaerobic corrosion, comprises avoiding hydrogen formation by active pH-stabilization during using elementary metal for groundwater rehabilitation, where pH-environment change takes place with environmentally-compatible material |
| 09/30/2010 | CA2839064A1 Apparatus and process for biological wastewater treatment |
| 09/29/2010 | EP2233442A1 Plant and process for the thermal hydrolysis of organic mass |
| 09/29/2010 | EP2231532A1 Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant |
| 09/29/2010 | CN201593013U Highly efficient energy-saving constant-temperature sewage treatment device via natural zeolite |
| 09/29/2010 | CN201593012U Four-section medical sewage treater |
| 09/29/2010 | CN201593011U Straw gasification sewage treatment and tar recovery vehicle-mounted moving device |
| 09/29/2010 | CN201593010U Urban domestic mineral water purifier |
| 09/29/2010 | CN201593009U Inverse washing water purifier convenient for filter media replacement |
| 09/29/2010 | CN201592174U Water purification high-temperature and high-pressure cleaning device |
| 09/29/2010 | CN201591468U Water-saving valve for water purifier and water purifier system applying same |
| 09/29/2010 | CN101848869A Method for conditioning a precipitating solution that arises during the wet-chemical cleaning of conventional or nuclear plants, said solution containing organic substances and metals in ionic form |
| 09/29/2010 | CN101848867A Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations |
| 09/29/2010 | CN101844940A Domestic organic food waste treatment method and treatment equipment |
| 09/29/2010 | CN101844912A Fine stoneware tile produced by industrial waste slag |
| 09/29/2010 | CN101844858A Aerobic-anoxic-anaerobic integrated module type sewage fast denitrogenation reactor and treatment method thereof |
| 09/29/2010 | CN101844857A New process for micro electric field reinforced low-carbon nitrogen removal |
| 09/29/2010 | CN101844856A Sewage purification system of constructed wetland coupling SBR denitrification and phosphorus removal integration |
| 09/29/2010 | CN101844855A Process for producing liquid biological ferment by biogas slurry |
| 09/29/2010 | CN101844854A Sewage treatment apparatus and sewage reuse system |
| 09/29/2010 | CN101844853A Method for biochemically removing total nitrogen from landfill leachate |
| 09/29/2010 | CN101844852A Small sewage biological treatment and reuse device and control method |
| 09/29/2010 | CN101844851A High-temperature sterilizing equipment for sterilizing water production equipment for purifying blood |
| 09/29/2010 | CN101844850A Direct drinking water purifying method and device |
| 09/29/2010 | CN101844849A Method for electrolysis-catalytic oxidation joint treatment on salt-containing organic wastewater |
| 09/29/2010 | CN101844848A Recycling and processing method of stainless steel acid-washing waste liquid |
| 09/29/2010 | CN101844847A Simple and easy waste copper settling tank |
| 09/29/2010 | CN101844846A Waste copper treatment device for silver mirror production line |
| 09/29/2010 | CN101844845A Method for treating waste water containing ammonia and nitrogen |
| 09/29/2010 | CN101844844A Device for treating high-concentration electroplating wastewater and application thereof |
| 09/29/2010 | CN101844843A Multistage wastewater treatment and recovery system |
| 09/29/2010 | CN101844842A Waste silver treatment device for silver mirror production line |
| 09/29/2010 | CN101844841A Degreasing device and process |
| 09/29/2010 | CN101844840A Portable water purifier for use after earthquake disaster |
| 09/29/2010 | CN101844839A Integral normal water recycling purification treatment equipment |
| 09/29/2010 | CN101844838A Engine base device of backwashing water purifier |
| 09/29/2010 | CN101844837A Reverse osmosis seawater desalination and ultrafiltration preprocessing method |
| 09/29/2010 | CN101843438A Intelligent time-control zero-pressure energy-saving and purifying water dispenser |
| 09/29/2010 | CN101554994B Method for recovering iodine in production waste liquid of X-CT series contrast media |
| 09/29/2010 | CN101445303B Method for recycling sewage for cleaning waste plastic and device thereof |
| 09/29/2010 | CN101424093B Household reclaimed water system |
| 09/29/2010 | CN101402498B Vacuum concentration treatment method for wastewater from nitrotoluene production process |
| 09/29/2010 | CN101353208B Reclaiming process for electroplating cyanic waste water and equipment thereof |
| 09/29/2010 | CN101343118B Technique for treating sewage water of pig farm with grass |
| 09/29/2010 | CN101323443B Reclaiming circulation method of polybasic acid inorganic salt solution |
| 09/29/2010 | CN101302065B Method for processing oil-gas field fracturing waste liquor |
| 09/29/2010 | CN101293722B Municipal sewage treatment system and equipment built on river |
| 09/29/2010 | CN101289260B System and method for treating fluorine-containing acid wastewater after graphite purification |
| 09/29/2010 | CN101274806B Novel process for reclaiming waste water containing CN- and NH3 or NH4- |
| 09/29/2010 | CN101244879B Oil-containing oil emulsion waste water treatment process |
| 09/29/2010 | CN101205109B Apparatus for treating chemical fiber waste water by anaerobic method |
| 09/29/2010 | CN101195510B Method for processing methyl dichloride production wastewater |
| 09/29/2010 | CN101028960B Method for pre-treating seawater by flow-raising aeration biological filtering pool |
| 09/28/2010 | CA2441969C A trailer mounted mobile apparatus for dewatering and recovering formation sand |
| 09/23/2010 | WO2010107690A1 Separation apparatus |
| 09/23/2010 | WO2010074454A3 Anti-fouling system using ballast water, and method for controlling same |
| 09/23/2010 | US20100236931 Improvements in/or relating to a method of treating sludges |
| 09/22/2010 | EP2230212A2 Method for operating a waste water treatment plant for cleaning waste water and waste water treatment plant |
| 09/22/2010 | EP2230211A1 Installation and method for the pre-processing of raw water |
| 09/22/2010 | EP1359126B1 Free atom aqueous solution producing apparatus and free-atom aqueous solution producing method |
| 09/22/2010 | EP0888247B1 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water |
| 09/22/2010 | CN201587897U Drastic denitrification and phosphorus removal and process control device |
| 09/22/2010 | CN201587896U Ternary structure field-effect water purification machine |
| 09/22/2010 | CN201587895U Dual-purpose human and livestock water drinking water-making machine convenient for moving |
| 09/22/2010 | CN201587894U Tap water faucet connected water purifying device |
| 09/22/2010 | CN201587893U Household water purifying equipment with double-absorption and double-filtration ozone sterilization and disinfection |
| 09/22/2010 | CN201587892U Multi-stage combined-pipeline ultra-filtration water purifier |
| 09/22/2010 | CN201587891U Stone waste sludge recycling equipment |
| 09/22/2010 | CN201587890U Portable ground and surface water net mineralization front-mid water purifier |
| 09/22/2010 | CN201587889U Drinking water and boiler water softening purifier |
| 09/22/2010 | CN201587880U Novel device utilizing ion-exchange fibers for treatment of chromate metal plating wastewater and recovery of chromium ions |
| 09/22/2010 | CN201587866U Automatic control water-treatment device |
| 09/22/2010 | CN1997598B 净水器 Water Purifier |
| 09/22/2010 | CN101842323A Liquid-solid fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 09/22/2010 | CN101838085A Method for carrying out resource non-aeration treatment on sewage of villages and towns |
| 09/22/2010 | CN101838084A Biochemical regulation and treatment process for sewage of urban domestic garbage transfer station |
| 09/22/2010 | CN101838083A Method for treating organic chemical wastewater having high COD and high concentration of sulfate ions |
| 09/22/2010 | CN101838082A Catering oily wastewater treatment system |
| 09/22/2010 | CN101838081A Method for treating micro-polluted drinking water by using air-float BAC (biological activated carbon) fluidized bed |
| 09/22/2010 | CN101838080A Magnetic seed type continuous sewage treatment method and device |
| 09/22/2010 | CN101838079A Ultrasonic atomization and vaporization seawater desalination desalting device and method |
| 09/22/2010 | CN101838078A Method for deep purifying organic toxicant and waste water by photocatalysis-oxidation and preparation method for used photocatalysis material |
| 09/22/2010 | CN101838077A Liquid energy generator |
| 09/22/2010 | CN101838076A Unattended purifying equipment for drinking water |
| 09/22/2010 | CN101838075A Process for effectively treating organophosphorus pesticide wastewater |
| 09/22/2010 | CN101838074A Method for degrading nitrobenzene waste water by polyphase electrocatalytic oxidation-Fenton coupling process and reactor thereof |
| 09/22/2010 | CN101838073A Silicon steel alkali purification method and device |
| 09/22/2010 | CN101838072A Treatment system and treatment method for reducing amount of volatile heavy metal sludge in desulfurization wastewater |
| 09/22/2010 | CN101838071A Electroplating reclaimed water recycling and treating system |
| 09/22/2010 | CN101838070A Method of air and water combined cycling purification |
| 09/22/2010 | CN101838069A Method for treating chemi-mechanical pulp pressing filtrate in papermaking factory |
| 09/22/2010 | CN101838068A Sewage recycling device |
| 09/22/2010 | CN101838067A Method for treating high-concentration sodium chloride in N-(Phosphonomethyl)iminodiacetic acid waste water |
| 09/22/2010 | CN101838066A Method for processing ammonia nitrogen wastewater by utilizing magnesia as precipitator and application |
| 09/22/2010 | CN101838065A Method for recycling hexavalent chromium in electrolytic manganese production tail end wastewater |
| 09/22/2010 | CN101838064A Method for recycling manganese ion in electrolytic manganese production tail end wastewater |
| 09/22/2010 | CN101838063A Method for treating desulfurization wastewater by using fly ash |
| 09/22/2010 | CN101838062A Slurry shield slurry modulation process |
| 09/22/2010 | CN101838061A Method for treating ammonia-nitrogen wastewater and recovering the same into ammonium salt |