| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 12/26/2012 | CN102838228A Membrane seawater desalination pretreatment system |
| 12/26/2012 | CN102838227A System and method for treating industrial park recycled water to form power plant boiler supplemental water |
| 12/26/2012 | CN102838226A 一种水处理装置 A water treatment device |
| 12/26/2012 | CN102838225A Water treatment device for oilfield well |
| 12/26/2012 | CN102838224A Stainless steel cold rolling oil-containing wastewater COD degrading method |
| 12/26/2012 | CN102838223A Advanced treatment process for coking wastewater by using resin in multistage fluidized-bed |
| 12/26/2012 | CN102838222A Portable filtering water dispenser |
| 12/26/2012 | CN102838221A Water for ocean aquaculture, preparation method and application |
| 12/26/2012 | CN102838220A Movable sewage purification detection device |
| 12/26/2012 | CN102838219A Mini-type direct drinking water filtration device |
| 12/26/2012 | CN102838218A Two-channel pipeline system drinking water treatment device |
| 12/26/2012 | CN102836863A Comprehensive treatment method for kitchen waste, town excrement and municipal sludge |
| 12/26/2012 | CN102836666A Method and equipment for industrially producing clean liquid fuel by utilizing household waste or sludge press water |
| 12/26/2012 | CN102836591A Nano-scale vibration filter material and application thereof |
| 12/26/2012 | CN102836585A Oily sewage treatment control system |
| 12/26/2012 | CN102491597B Method for treating high-concentration nitrogenous organic wastewater |
| 12/26/2012 | CN102442740B Processing method for zero discharge of wood chip washing waste water |
| 12/26/2012 | CN102424501B Method for treating trace pharmaceuticals and personal care products (PPCPs) in water through biological activation aeration process |
| 12/26/2012 | CN102390903B Papermaking black liquid membrane treating method |
| 12/26/2012 | CN102358650B Advanced purification and recycling method and device of nondegradable organic industrial wastewater |
| 12/26/2012 | CN102295391B PU (Poly Urethane)-leather wastewater-processing method |
| 12/26/2012 | CN102295364B Apparatus and process for virtuous cycle treatment of slag flushing water of gas producer |
| 12/26/2012 | CN102249492B Processing method of lamivudine wastewater |
| 12/26/2012 | CN102249485B Device for treating high-concentration organic wastewater and wastewater generated during production of 1,4-butanediol |
| 12/26/2012 | CN102229452B Method for removing arsenic from printed-circuit board alkaline waste etching liquid |
| 12/26/2012 | CN102161542B Method and device for precisely processing nuclear power station condensation water |
| 12/26/2012 | CN102145954B Method for solving water resource shortage problem and preventing and controlling desert by seawater desalinization through ocean nuclear energy |
| 12/26/2012 | CN102145947B Water treatment method for removing Tl<+> and/or Cd2<+> by producing nanometer iron and manganese oxides in situ |
| 12/26/2012 | CN102134142B Spatial life support system urine wastewater treatment device and method |
| 12/26/2012 | CN102107985B Treatment method of Fischer-Tropsch synthetic reaction wastewater |
| 12/26/2012 | CN102086072B Cyclic utilization method of dyeing and printing advanced treatment wastewater |
| 12/26/2012 | CN102060399B Ammonia nitrogen removing device assisting organic compound denitrifier in treating high concentration ammonia nitrogen wastewater |
| 12/26/2012 | CN102001795B Treatment process of membrane bioreactor in nondegradable industrial wastewater |
| 12/26/2012 | CN101928079B High-efficiency diatomaceous earth clarification tank |
| 12/26/2012 | CN101891699B Method for recovery of insoluble saccharin in acidic wastewater by resin adsorption method |
| 12/26/2012 | CN101768887B Circular utilization method of straw in pulping and papermaking processes |
| 12/26/2012 | CN101767909B Sludge reduction method of urban wastewater treatment process |
| 12/26/2012 | CN101723522B Method for supplying water according to quality and domestic water purifying machine |
| 12/26/2012 | CN101428947B Advanced treatment method for acrylic fibre wet-process industrial wastewater with two-step method |
| 12/22/2012 | CA2780570A1 Monitoring and control of unit operations for generating steam from produced water |
| 12/21/2012 | CA2780792A1 Systems and methods for treating wastewater |
| 12/20/2012 | WO2012171366A1 Apparatus and method for recycling silicon powder in wastewater from silicon processing |
| 12/20/2012 | WO2012171365A1 Electrochemistry and electrodialysis-based apparatus and method for recycling wastewater from papermaking |
| 12/20/2012 | WO2012153330A3 Water filtering device |
| 12/20/2012 | US20120318735 Process for the thermophilic aerobic treatment of concentrated organic waste water and the related plant |
| 12/20/2012 | US20120318734 Systems, apparatuses and methods for treating waste water |
| 12/20/2012 | DE102011105312A1 Device useful for treating liquids, comprises mono or multipart housing with liquid inlet and outlet, filter unit with filter membrane, continuously operating exhaust ventilation, and constant temperature-dependent air cooler |
| 12/20/2012 | DE102008029273B4 Vorrichtung zum Begasen einer Flüssigkeit, insbesondere zum Belüften von Abwasser, sowie Klärbecken An apparatus for gasifying a liquid, in particular for aerating waste water, as well as clarifiers |
| 12/19/2012 | CN202613582U Wood floor capable of automatically controlling temperature |
| 12/19/2012 | CN202610710U Emergency disposal system for deck runoff accidents of grand road bridge |
| 12/19/2012 | CN202610333U Recycling system for waste system in photoelectric cell wet process |
| 12/19/2012 | CN202610091U Novel waste drilling mud treatment device |
| 12/19/2012 | CN202610082U Combined-type industrial sewage treatment equipment |
| 12/19/2012 | CN202610081U Unitized urban sewage treatment experimental system |
| 12/19/2012 | CN202610080U Biological filter comprehensive treatment device |
| 12/19/2012 | CN202610079U Domestic wastewater treatment integrated device |
| 12/19/2012 | CN202610078U Lurgi wastewater optimization system |
| 12/19/2012 | CN202610077U Catalyzed iron internal micro-electrolysis reinforced biological treatment and membrane coupling process integrated device |
| 12/19/2012 | CN202610076U System for treating nutrient-self-compensated difficultly-degraded industrial wastewater |
| 12/19/2012 | CN202610075U Nutrient self-compensation and residual sludge reduction type sewage treatment system |
| 12/19/2012 | CN202610074U Aquatic-product processing wastewater treatment system |
| 12/19/2012 | CN202610073U Processing apparatus of garbage percolating liquid |
| 12/19/2012 | CN202610072U Domestic wastewater treatment integrated device for small towns |
| 12/19/2012 | CN202610071U Phenolic resin wastewater treatment system |
| 12/19/2012 | CN202610070U Integration sanitary sewage treatment device |
| 12/19/2012 | CN202610069U High-speed sewage integration super-magnetism separator |
| 12/19/2012 | CN202610068U Module combined microwave sensitized treatment system for organic sewage |
| 12/19/2012 | CN202610067U Alkali recovery and decolorization system for mercerization production of denim |
| 12/19/2012 | CN202610066U Falling film evaporation system for recovering produced water of heavy oil |
| 12/19/2012 | CN202610065U Oil water separator |
| 12/19/2012 | CN202610064U System for using waste steam of flushing cinder of ironmaking blast furnace to prepare soft water and utilizing waste heat |
| 12/19/2012 | CN202610063U Water activating device for sprinkling irrigation and trickle irrigation |
| 12/19/2012 | CN202610062U Household water purifying machine |
| 12/19/2012 | CN202610061U Advanced treatment device of industrial wastewater |
| 12/19/2012 | CN202610060U Enameled wire drawing liquid harmless treatment device |
| 12/19/2012 | CN202610059U Double-membrane-process advanced treatment citric acid waste water device |
| 12/19/2012 | CN202610058U Standardized comprehensive electroplating wastewater treatment equipment |
| 12/19/2012 | CN202610057U Zero-emission comprehensive electroplating wastewater treatment equipment |
| 12/19/2012 | CN202610056U Integrated treatment device of phosphating wastewater |
| 12/19/2012 | CN202610055U Treatment system for fracturing liquid waste of oilfield well site |
| 12/19/2012 | CN202610054U Full-automatic intelligent circulating water energy-saving device |
| 12/19/2012 | CN202610053U Coagulation reaction precipitation system for wastewater treatment |
| 12/19/2012 | CN202610052U Ultrafiltration membrane water purifier with full-automatic cyclone sand removing device |
| 12/19/2012 | CN202610051U Precise processing device for cutting fluid purification |
| 12/19/2012 | CN202610050U Water purifier |
| 12/19/2012 | CN202610049U Underground water defluorination device |
| 12/19/2012 | CN202610048U Drinking water purifying unit |
| 12/19/2012 | CN202610047U Device for recycling water during praline washing process |
| 12/19/2012 | CN202610046U Lightly-polluted domestic sewage treating and recycling device |
| 12/19/2012 | CN202610045U Processing system of heavy-metal-contained acid wastewater |
| 12/19/2012 | CN202609998U Spiral-flow type energy-saving muddy water flocculation mixing device |
| 12/19/2012 | CN202606006U High-efficiency atomization-type foreign smell control system |
| 12/19/2012 | CN202605881U Water purifier |
| 12/19/2012 | CN202605846U Filter press for initial treatment of effluent |
| 12/19/2012 | CN202603169U Coal mine sunk land reclamation and gangue treatment utilization system |
| 12/19/2012 | CN102826726A Refuse incineration plant leachate treatment process |
| 12/19/2012 | CN102826725A Coal mine wastewater membrane treatment device and method |
| 12/19/2012 | CN102826724A Acidic coal mine wastewater treatment device and method |
| 12/19/2012 | CN102826723A Treatment method for urban sanitary sewage |
| 12/19/2012 | CN102826722A Treatment method for wastewater generated by producing cephalosporin medicines |