| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/13/2013 | CN102964022A Treatment method of sludge drying generated sewage |
| 03/13/2013 | CN102964021A Method for processing organic waste water |
| 03/13/2013 | CN102964020A Treatment method of organic waste water with high calcium and high pH value |
| 03/13/2013 | CN102964019A Energy-saving evaporation treatment process of high-salinity wastewater |
| 03/13/2013 | CN102964018A Method for environment-friendlily treating TRC (Textile Reinforced Concrete) waste glue solution |
| 03/13/2013 | CN102964017A Method for treatment of high salinity organic wastewater through microwave electrocatalytic oxidation |
| 03/13/2013 | CN102964016A Domestic dual water supply treating equipment |
| 03/13/2013 | CN102964015A Method for removing heavy metals Zn and Cu in dredged river sediment |
| 03/13/2013 | CN102964014A Treatment method of acid heavy metal wastewater |
| 03/13/2013 | CN102964013A Electrocoagulation advanced treatment system and method for biochemically treating effluent of waste water of diosgenin saponins |
| 03/13/2013 | CN102964012A Method for enriching and separating phosphorus in municipal sludge anaerobic digestion solution |
| 03/13/2013 | CN102964011A Process for sterilizing, killing algae and stripping slime by utilizing circulating water |
| 03/13/2013 | CN102964010A Method for deeply treating nonbiodegradable sewage |
| 03/13/2013 | CN102964009A Treatment method of seawater decalcification by non-equilibrium absorption for centrifugal machine |
| 03/13/2013 | CN102964008A Method for removing copper in sewage |
| 03/13/2013 | CN102964007A Method for removing cobalt in sewage |
| 03/13/2013 | CN102964006A Method for removing cadmium in sewage |
| 03/13/2013 | CN102964005A Deep treatment method for printing and dyeing wastewater |
| 03/13/2013 | CN102964004A Dye wastewater composite decoloring method |
| 03/13/2013 | CN102964003A Method for treating ammonia nitrogen in wastewater by using integrated process |
| 03/13/2013 | CN102964002A Heavy metal-removal, nitrogen-removal and organic phase recovery reactor for rare earth and tungsten-molybdenum extraction waste water |
| 03/13/2013 | CN102964001A High-phenol content wastewater treatment technology |
| 03/13/2013 | CN102964000A Slime water purifier |
| 03/13/2013 | CN102963999A Technology for treatment of fluorine-boron-containing wastewater during Ceftezole acid preparation |
| 03/13/2013 | CN102963998A River water filtration and purification process |
| 03/13/2013 | CN102963997A A water treatment method and a water treatment device |
| 03/13/2013 | CN102963996A Method for treating aqueous solution |
| 03/13/2013 | CN102963995A Kitchen wastewater oil-water separation pool capable of preventing illegal cooking oil from returning to dining-tables |
| 03/13/2013 | CN102963994A Treatment method of waste alkali liquor in production of viscose fibers |
| 03/13/2013 | CN102963993A Reusable ultrafilter using reverse osmosis thick water as flushing water and reverse osmosis system |
| 03/13/2013 | CN102963961A Water treatment device |
| 03/13/2013 | CN102503013B Supercritical water treatment reactor for organic wastes |
| 03/13/2013 | CN102491598B Sewage disposal system |
| 03/13/2013 | CN102491563B Three-stage catalysis ozone oxidation water purifying device |
| 03/13/2013 | CN102442734B Reclaimed water reusing device of industrial wastewater |
| 03/13/2013 | CN102344213B Treatment process for calcium hypochlorite secondary mother liquor wastewater and treatment agent thereof |
| 03/13/2013 | CN102336498B Nitrogen-phosphorus wastewater treating method by sequencing batch reactor coupled photobioreactor |
| 03/13/2013 | CN102329033B Independent-aeration high-voltage pulse discharging water treatment reactor and sewage treatment method thereof |
| 03/13/2013 | CN102303934B Water plant flow cross energy-saving system |
| 03/13/2013 | CN102225813B Multi-stage fluidized ion exchange desalination method for recycling biochemical tail water as circulating cooling water |
| 03/13/2013 | CN102219268B Combined barrel and household water purification system formed by same |
| 03/13/2013 | CN102206196B Method for recovering morpholine from acidic waste water containing morpholine |
| 03/13/2013 | CN102180555B Method for treating organic matters in spirulina cultivating waste water |
| 03/13/2013 | CN102060395B Method for treating complex chemical wastewater by combination of Fenton and starch-based flocculant |
| 03/13/2013 | CN102040305B 水处理装置 Water treatment device |
| 03/13/2013 | CN102001781B Multistage high-energy water magnetization machine |
| 03/13/2013 | CN101891326B Red tea, Wuyi cliff tea and Pu'er tea-making water and production process and production equipment thereof |
| 03/13/2013 | CN101759323B Treatment combined process for pig farm waste water with high nitrogen content |
| 03/13/2013 | CN101731736B Solid-liquid enrichment separation method for tobacco sheet wastewater in paper-making method |
| 03/13/2013 | CN101671091B Processing method for produced water for ultra-low permeable oil field reinjection |
| 03/13/2013 | CN101525576B Method for producing microalgae with domestic sewage and industrial sewage |
| 03/13/2013 | CN101462781B Ultraviolet water treatment apparatus |
| 03/13/2013 | CN101327996B Treating process of dilute emulsified oily watewater |
| 03/12/2013 | US8394278 Dissolved air floatation with filter system |
| 03/12/2013 | US8394268 Double chamber water purification device |
| 03/12/2013 | CA2564881C Method for electromagnetic treatment of water conferring a biological activity thereon |
| 03/07/2013 | WO2013033483A1 Method for treating aqueous solution |
| 03/07/2013 | WO2013031231A1 Seawater desalination method |
| 03/07/2013 | WO2013030751A1 Method and facility for treating wastewater containing hydrocarbons, in particular aromatic compounds |
| 03/07/2013 | WO2013029615A1 Method and apparatus for extracting or concentrating carbonaceous compounds from a fluid |
| 03/07/2013 | WO2013029238A1 Kitchen garbage processing system |
| 03/07/2013 | WO2012140454A3 Method of separation and management of the two phase olive pomace |
| 03/07/2013 | DE19983004B3 Reinigungsgerät für Batch-Flüssigkeiten Cleaning device for batch liquids |
| 03/07/2013 | DE19982513B3 Vorrichtung und Verfahren zum Reinigen einer Flüssigkeitscharge Apparatus and method for cleaning a batch of liquid |
| 03/07/2013 | DE102011112359A1 Removing non-filterable or mechanically filterable organic suspended matter and nutrients of purified water using a natural binding agent, comprises e.g. binding the organic suspended matter, nutrients and the phosphate contents in water |
| 03/07/2013 | DE102011082285A1 Verfahren zur Abtrennung von radioaktiven Nukliden mittels keramischer Filtermembranen Process for the separation of radioactive nuclides by means of ceramic filter membranes |
| 03/07/2013 | CA2847799A1 Method and facility for treating wastewater containing hydrocarbons, in particular aromatic compounds |
| 03/06/2013 | CN202766392U Deslagging device of activated sludge backflow system |
| 03/06/2013 | CN202766391U Decentralized sewage treatment device |
| 03/06/2013 | CN202766390U Sewage treatment bioreactor |
| 03/06/2013 | CN202766389U Novel sewage biological reaction and membrane purification device |
| 03/06/2013 | CN202766388U Sewage treatment device |
| 03/06/2013 | CN202766387U Mud-membrane symbiotic hybrid membrane bioreactor |
| 03/06/2013 | CN202766386U Treatment system for waste water generated in production of fuel ethanol by cassava |
| 03/06/2013 | CN202766385U Treatment system for leachate generated by landfill space of refuse |
| 03/06/2013 | CN202766384U Intelligent integrated sewage treatment device |
| 03/06/2013 | CN202766383U Air-floatation oil removing sand setting device |
| 03/06/2013 | CN202766382U Wastewater treatment device for livestock breeding |
| 03/06/2013 | CN202766381U Integrated anaerobic, anoxic and aerobic high-concentration wastewater treatment device |
| 03/06/2013 | CN202766380U Ecological mineral nutritive water manufacturing machine |
| 03/06/2013 | CN202766379U Integrated fast wastewater treatment unit |
| 03/06/2013 | CN202766378U Two-stage advanced nitrogen and phosphorus synchronous removal device for sewage |
| 03/06/2013 | CN202766377U Small simple landfill leachate treatment device |
| 03/06/2013 | CN202766376U Integrated water treatment and control device |
| 03/06/2013 | CN202766375U Seawater treatment system for water injection source of offshore oilfield |
| 03/06/2013 | CN202766374U Double-membrane treatment system for coal mine water |
| 03/06/2013 | CN202766373U Device for advanced treatment of waste water by cooperating ozone with activated carbon |
| 03/06/2013 | CN202766372U Waste acid water purification, circulation and processing system |
| 03/06/2013 | CN202766371U Chromium separation system |
| 03/06/2013 | CN202766370U Wastewater neutralization and recycling system |
| 03/06/2013 | CN202766369U Airtight multilevel water purifying device |
| 03/06/2013 | CN202766368U Filter device for leaf processing |
| 03/06/2013 | CN202766367U Water circulating device of quick-frozen fruit and vegetable flow production line |
| 03/06/2013 | CN202766366U High-concentration ammonia nitrogen wastewater treatment device |
| 03/06/2013 | CN202766365U Sludge water concentration and purification integrated treatment device |
| 03/06/2013 | CN202766364U Wastewater cleaning system |
| 03/06/2013 | CN202766363U Purified water device with total dissolved solid (TDS) detection sensor |
| 03/06/2013 | CN202766362U Defoaming agent dissolved solution purifying apparatus |
| 03/06/2013 | CN202766361U Water purifying plant for properly retaining mineral substances |
| 03/06/2013 | CN202766318U Circulating water impurity removing system |