| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 12/19/2012 | CN102826721A Method for treating wastewater being generated during vitamin C production |
| 12/19/2012 | CN102826720A Fur processing wastewater reuse treatment method |
| 12/19/2012 | CN102826719A Method for biological nitrogen removal by adopting short-cut nitrification and denitrification |
| 12/19/2012 | CN102826718A Method and device for improving oxidation efficiency of ozone-aeration biological filter combination system |
| 12/19/2012 | CN102826717A Device and method for processing coal mine wastewater containing heavy metal |
| 12/19/2012 | CN102826716A Treatment method for waste water in production of streptomycin sulfate |
| 12/19/2012 | CN102826715A Sewage treatment method for nitrogen and phosphorus removal through combination of biofilm process and multilevel activated sludge process |
| 12/19/2012 | CN102826714A Device for treating process wastewater generated in organic waste gas treatment |
| 12/19/2012 | CN102826713A Device and method for strengthening and improving segment water sludge reduction by predation action of chironomidae larvae |
| 12/19/2012 | CN102826712A Method and device for researching bio-availability of dissoluble organic nitrogen in water body |
| 12/19/2012 | CN102826711A Energy-saving and environmental-protection process flow of sewage treatment |
| 12/19/2012 | CN102826710A Treatment process and treatment device of high-salinity high-ammonia nitrogen pharmaceutical sewage |
| 12/19/2012 | CN102826709A Technique for removing high-concentration sulfate ions in long-chain dibasic acid fermentation waste liquid |
| 12/19/2012 | CN102826708A Apparatus for treating waste water and treating method |
| 12/19/2012 | CN102826707A Three-stage tandem photocatalysis treatment technology of marigold wastewater |
| 12/19/2012 | CN102826706A Oilfield produced water treatment method and device |
| 12/19/2012 | CN102826705A Treatment method for tail slurry of blast furnace dust |
| 12/19/2012 | CN102826704A Recycle system for recycled water |
| 12/19/2012 | CN102826703A Steam condensed water recovery and deoiling deionizing purification treatment system |
| 12/19/2012 | CN102826702A Method for removing a small amount of benzene or toluene in benzene and methanol alkylation reaction process water |
| 12/19/2012 | CN102826701A Method for deep purification of leachate by using single factor separation |
| 12/19/2012 | CN102826700A Solar membrane distillation seawater desalination plant for sea island |
| 12/19/2012 | CN102826699A High-capacity intermittent industrial wastewater microwave photocatalytic degradation device |
| 12/19/2012 | CN102826698A Wastewater-degradation microwave photocatalytic device beneficial to inhibiting energy unnecessary dissipation |
| 12/19/2012 | CN102826697A Method and system for modularized combined treatment of high-difficulty organic waste water |
| 12/19/2012 | CN102826696A Rubber vulcanization accelerator TBBS (N-tert-butyl-2-benzothiazolesulfenamide) wastewater treatment method |
| 12/19/2012 | CN102826695A Scheelite beneficiation wastewater treatment technique |
| 12/19/2012 | CN102826694A Method for processing industrial wastewater by membrane separation/catalytic degradation composite process |
| 12/19/2012 | CN102826693A Method and system for catalytic oxidation of high-salt organic waste water by electrical assistance combined with ultraviolet light |
| 12/19/2012 | CN102826692A Electrolyzing water production machine |
| 12/19/2012 | CN102826691A Electrode foil formation section phosphoric acid waste liquor treatment technique |
| 12/19/2012 | CN102826690A Recycle system for chemical water treatment wastewater and furnace ash rushing water |
| 12/19/2012 | CN102826689A Post-treatment process and equipment of desalted seawater |
| 12/19/2012 | CN102826688A Treatment method of sulfuric acid waste water containing low-concentration metallic ions |
| 12/19/2012 | CN102826687A Method for removing nanoparticles in water body |
| 12/19/2012 | CN102826686A Double-membrane treatment method of iron and steel industrial wastewater |
| 12/19/2012 | CN102826685A Skid-mounted water purifying device of oil producing wastewater |
| 12/19/2012 | CN102826684A Method for removing lead ions in sewage |
| 12/19/2012 | CN102826683A Sewage recycling processor |
| 12/19/2012 | CN102826682A Treatment method for concentrated solution obtained by filtering landfill leachate film |
| 12/19/2012 | CN102826681A Method for comprehensively processing waste water and exhaust gas from lead-zinc smeltery |
| 12/19/2012 | CN102826680A High silicon-containing waste water in oil field reuse boiler pretreatment technology and apparatus |
| 12/19/2012 | CN102826679A Seawater desalination dual water supply system in water-electricity cogeneration |
| 12/19/2012 | CN102826678A Chemical nickel plating waste water circulating reclamation and nickel resource circulating reutilization method |
| 12/19/2012 | CN102826677A Full-cycling technology for vanadium smelting wastewater |
| 12/19/2012 | CN102826676A Irradiation industry well-source water on-line circular processing system |
| 12/19/2012 | CN102826675A Simple and practical water treatment facility |
| 12/19/2012 | CN102826674A Method for processing lead and chromium in wastewater |
| 12/19/2012 | CN102826673A Cleaning treatment method of dying industrial acidic wastewater |
| 12/19/2012 | CN102826672A Sewage purification system for irrigation |
| 12/19/2012 | CN102826671A Secondary precipitation and purification filter tank |
| 12/19/2012 | CN102826670A Method for filtering water by secondary membrane |
| 12/19/2012 | CN102826669A Water purifying filter cartridge for faucet |
| 12/19/2012 | CN102826668A Recovering system for concrete cement mortar |
| 12/19/2012 | CN102826667A Multifunctional emergency gas energy water purification system |
| 12/19/2012 | CN102826666A Water purifier provided with total dissolved solid (TDS) monitoring device, and its water quality monitoring method |
| 12/19/2012 | CN102826665A Directly-drinking machine capable of decompressing and cycling |
| 12/19/2012 | CN102826640A Method for treating organic phosphorus production wastewater |
| 12/19/2012 | CN102826621A Deoxygenation device for water |
| 12/19/2012 | CN102826619A Circulating water impurity removal system |
| 12/19/2012 | CN102824803A Method for treating water steam, dust and waste gas produced during preparation of coated sand |
| 12/19/2012 | CN102824109A Water dispenser |
| 12/19/2012 | CN102824100A Electric rice cooker |
| 12/19/2012 | CN102491589B Coupling denitrification dephosphorization water treatment method for multistage anoxic/oxic (A/O) biological membrane |
| 12/19/2012 | CN102381813B System and method for processing rubbish percolate |
| 12/19/2012 | CN102372384B Movable water purifying equipment |
| 12/19/2012 | CN102276075B Combined type sewage treatment apparatus |
| 12/19/2012 | CN102225824B Energy-saving sewage purification method by sequencing batch membrane reinforcement pipe network |
| 12/19/2012 | CN102211830B Method for treating cutting liquid wastewater by electro-catalytic oxidation |
| 12/19/2012 | CN102167479B Garbage percolate treatment technology |
| 12/19/2012 | CN102092872B Method for recycling stainless steel neutral salt electrolysis waste solution |
| 12/19/2012 | CN102060406B Closed-loop processing integrated process for high-efficiency air stripping and tail-gas ammonia recycling of ammonia-nitrogen wastewater |
| 12/19/2012 | CN101973647B Filter element separating straight drinking kettle |
| 12/19/2012 | CN101948198B 磁絮凝反应器 Magnetic flocculation reactor |
| 12/19/2012 | CN101935111B Wastewater recycling preparation system with low energy consumption |
| 12/19/2012 | CN101830603B System and method for removing phosphorus by three-mud process nitrification and denitrification |
| 12/19/2012 | CN101830590B Turbid water treater |
| 12/19/2012 | CN101734996B Method for recycling and utilizing waste liquor containing 4-vinyl cyclohexene |
| 12/19/2012 | CN101508512B Core-three-circulation combined water treatment process |
| 12/19/2012 | CN101092273B Method and system for treating waste water from aqueous printing ink, starch and household wastewater |
| 12/18/2012 | US8333893 Filtration separation method for waste resin containing highly radioactive uranium powder and device thereof |
| 12/18/2012 | US8333873 Apparatus for electrolyzing an electrolytic solution |
| 12/18/2012 | CA2502643C Method and apparatus for high efficiency evaporation operation |
| 12/13/2012 | WO2012171006A1 Apparatus for treating fluids |
| 12/13/2012 | WO2012170891A1 Process for treating fluids |
| 12/13/2012 | WO2012170406A1 Membrane desalination system and method |
| 12/13/2012 | WO2012167363A1 An assembly and method for non-chemical treatment of bathing water |
| 12/13/2012 | WO2012167297A1 Method for processing contaminated brine solutions for chlor-alkali electrolysis |
| 12/13/2012 | US20120312752 Method and apparatus of removing phosphorus from sewage wastewater by electrocoagulation using electrodes having porous membrane therebetween |
| 12/13/2012 | US20120312747 Method and apparatus for recycling and treating wastes of silicon wafer cutting and polishing processes |
| 12/13/2012 | DE102011106120A1 Operating activated charcoal, sand, egg, multilayer filter and/or membrane unit, comprises installing semiconductor-coated metal foil before activated charcoal, sand, egg, multilayer filter and/or membrane unit, and irradiating metal foil |
| 12/13/2012 | DE102011077271A1 Abwasserreinigungsanlage Wastewater treatment plant |
| 12/13/2012 | CA2837210A1 Membrane desalination system and method |
| 12/12/2012 | EP2531452A2 Advanced treatment system of wastewater having plasma discharging vessel |
| 12/12/2012 | EP2531450A1 Plant and method for producing demineralized water, in particular for use in plants for generation of electrical energy |
| 12/12/2012 | CN202594923U Anaerobic/aerobic BAF-MBR (Biological Aerated Filter-Meane Biological Reactor) small-sized integrated reclaimed water recycling device |
| 12/12/2012 | CN202594922U Exhaust recycling device for ozone oxidation process |
| 12/12/2012 | CN202594921U Medical treatment sewage treatment device without energy consumption |
| 12/12/2012 | CN202594920U Organic sewage treatment system with strong applicability |
| 12/12/2012 | CN202594919U Biochemical pretreatment-type membrane bioreaction sewage treatment device |