| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/11/2012 | CN101955303B Treatment method of dye wastewater |
| 01/11/2012 | CN101935129B Converter turbid circulating water treatment method utilizing superconductive high-gradient magnetic field |
| 01/11/2012 | CN101921045B Urine purifying device |
| 01/11/2012 | CN101863569B Tungsten-containing wastewater treatment method in tungsten smelting |
| 01/11/2012 | CN101857343B Urban domestic sewage natural treatment method |
| 01/11/2012 | CN101851039B Modified starch production waste water treatment method |
| 01/11/2012 | CN101811806B Method for treating mixed waste water of electroplating industry |
| 01/11/2012 | CN101798766B Recycling method of leading waste water into grinding chamber body in MDF production |
| 01/11/2012 | CN101792227B Process equipment containing polyethyleneglycol dimethyl ether and method |
| 01/11/2012 | CN101786745B Emergent large and medium-sized natural water body algae pollution remediation technique capable of resisting light stormy waves |
| 01/11/2012 | CN101734813B Technology for recovering ammonium sulfate by waste acid pickle generated in process of producing cyanuric acid and equipment therefor |
| 01/11/2012 | CN101684029B Structure for dyeing and finishing waste water from woolen mill and treatment process |
| 01/11/2012 | CN101665306B Novel membrane coupled anaerobic bioreactor and method of treating wastewater thereof |
| 01/11/2012 | CN101643302B Water treatment device |
| 01/11/2012 | CN101575151B Two-stage electroflotation water treatment technology and special device thereof |
| 01/11/2012 | CN101531431B Composite and separable physical disinfection device of barreled drinking water |
| 01/11/2012 | CN101492392B Method for reutilization of wastewater from DBNPA production |
| 01/11/2012 | CN101397178B Livestock and poultry raising sewage disposal process and disposal system thereof |
| 01/10/2012 | US8092656 Method and apparatus for high efficiency evaporation operation |
| 01/07/2012 | CA2744738A1 Control of scale formation in produced water evaporators |
| 01/05/2012 | WO2012000019A1 Modular water treatment system |
| 01/05/2012 | WO2011068317A4 Method for treating wastewater produced during the manufacture of nitro compounds |
| 01/05/2012 | US20120001562 Inductively coupled ballast circuit |
| 01/05/2012 | US20120000763 Seawater desalination device |
| 01/05/2012 | DE102010025928A1 Automatically operating ultrafiltration plant for drinking water treatment in domestic installation, comprises directing raw water through filter module, adding chlorine dioxide, backwashing and initiating flow rate detection |
| 01/05/2012 | CA2802774A1 Modular water treatment system |
| 01/04/2012 | EP2403101A2 Adaptive inductive power supply with communication |
| 01/04/2012 | EP2403100A2 Adaptive inductive power supply with communication |
| 01/04/2012 | EP2403099A2 Adaptive inductive power supply with communication |
| 01/04/2012 | EP2403098A2 Adaptive inductive power supply with communication |
| 01/04/2012 | EP2403097A2 Adaptive inductive power supply with communication |
| 01/04/2012 | EP2403096A2 Adaptive inductive power supply with communication |
| 01/04/2012 | EP2403095A2 Adaptive inductive power supply with communication |
| 01/04/2012 | CN202101561U Circulatory purification cooling system for electric smelting furnace |
| 01/04/2012 | CN202099171U Sewage treatment device |
| 01/04/2012 | CN202099170U Wastewater treatment system using flat-plate biofilm |
| 01/04/2012 | CN202099169U Device for advanced treatment of secondary effluent in municipal sewage plant |
| 01/04/2012 | CN202099168U Combined filter of deep water treatment |
| 01/04/2012 | CN202099167U Integrated ship domestic sewage treatment device |
| 01/04/2012 | CN202099166U Integrated circuit (IC) anaerobic reactor |
| 01/04/2012 | CN202099165U Modularization underground sewage treatment system based on cylindrical prefabricated parts |
| 01/04/2012 | CN202099164U Novel three-section high-quality recycled water integrating system |
| 01/04/2012 | CN202099163U Combined layering biological filter for sewage treatment |
| 01/04/2012 | CN202099162U Integrated sewage treatment equipment for multi-layered different-end water falling biological aerated filter tank |
| 01/04/2012 | CN202099161U Circulating water tertiary treatment device |
| 01/04/2012 | CN202099160U Integrated oilfield wastewater treatment device |
| 01/04/2012 | CN202099159U Biomembrane aeration device of composite solid carriers |
| 01/04/2012 | CN202099158U Efficient biological aerated filter applied to advanced treatment for printing and dying waste |
| 01/04/2012 | CN202099157U Small modularized domestic sewage treatment system |
| 01/04/2012 | CN202099156U Multifunctional environment-friendly equipment |
| 01/04/2012 | CN202099155U Composite film water purifying filter core |
| 01/04/2012 | CN202099154U Novel organic wastewater treater |
| 01/04/2012 | CN202099153U Down-flow type low-temperature multi-effect distillation sea water desalinizing system |
| 01/04/2012 | CN202099152U Sewage treatment device |
| 01/04/2012 | CN202099151U Medical purified water preparation device |
| 01/04/2012 | CN202099150U Manual-auto integrated classifying reverse-flushing sewerage-removing and spiral-flow type ultrafiltration membrane water purifier |
| 01/04/2012 | CN202099149U Small-sized medical sewage treater |
| 01/04/2012 | CN202099148U Treatment system of waste high polymer material recycle cleaning waste water |
| 01/04/2012 | CN202099147U Sewage purifying system used for irrigation |
| 01/04/2012 | CN202099146U Treatment system of high chlorine mercury containing waste water in chlor-alkali industry |
| 01/04/2012 | CN202099145U Urban sewage treatment equipment |
| 01/04/2012 | CN202099144U Chemical oxygen demand (COD) monitoring waste liquid treatment device |
| 01/04/2012 | CN202099143U Rubber extrusion sheet cooling water purifying device |
| 01/04/2012 | CN202099142U Biological protection pressure type water purifier for individuals |
| 01/04/2012 | CN202099141U Quartz sand acid wastewater treatment device |
| 01/04/2012 | CN202099140U Waste liquor treatment device in oil field operation |
| 01/04/2012 | CN202099139U Device for comprehensive recycle of waste hot water |
| 01/04/2012 | CN202099138U Portable reverse-osmosis water treatment machine |
| 01/04/2012 | CN202099137U Sewage treatment device for hotel kitchens |
| 01/04/2012 | CN202099136U Reverse osmosis (RO) pure water machine |
| 01/04/2012 | CN202099135U Tablet washing water circulation system |
| 01/04/2012 | CN202099134U Polished oil processing and recovering device |
| 01/04/2012 | CN202099133U Rechargeable electric storage-type water purifier |
| 01/04/2012 | CN202099132U Reverse osmosis water purifier |
| 01/04/2012 | CN202099131U Water-purifying filter element |
| 01/04/2012 | CN202096115U Seawater massage bathtub |
| 01/04/2012 | CN102307820A Method for treating wastewaters |
| 01/04/2012 | CN102307813A Method for removing arsenic as scorodite |
| 01/04/2012 | CN102306958A Inductive coil assembly |
| 01/04/2012 | CN102306957A Inductive coil assembly |
| 01/04/2012 | CN102305477A Mobile green energy source comprehensive utilization device |
| 01/04/2012 | CN102304146A Phosphate with trihydroxy structure and preparation method for phosphate |
| 01/04/2012 | CN102303939A Front, middle and rear ozone and central aerated biological activated carbon water supply treatment method |
| 01/04/2012 | CN102303938A Combined process for building partial nitrosation-anaerobic ammonium oxidation garbage percolate |
| 01/04/2012 | CN102303937A Technology for treating high-concentration and high-chromaticity wastewater |
| 01/04/2012 | CN102303936A Filtering device of iron-containing sewage |
| 01/04/2012 | CN102303935A Method for extracting ammonium sulfate from monosodium glutamate factory waste liquor |
| 01/04/2012 | CN102303934A Water plant flow cross energy-saving system |
| 01/04/2012 | CN102303933A Method for regenerating and recycling laundry waste water |
| 01/04/2012 | CN102303932A Method for removing micro amount of thallium from drinking water by two-stage oxidization |
| 01/04/2012 | CN102303931A Treating method and device for electroplating wastewater |
| 01/04/2012 | CN102303930A Soft water purification machine |
| 01/04/2012 | CN102301939A Field underground water supply irrigation system without pump station |
| 01/04/2012 | CN102146342B Halophilic bacterial agent and preparation method thereof as well as biological treatment system fixed with bacterial agent and application thereof |
| 01/04/2012 | CN102079603B High-concentration organic and inorganic mixed wastewater treatment and recovery method |
| 01/04/2012 | CN102079594B Treatment method of mine wastewater |
| 01/04/2012 | CN101967030B Integrated filler ammoxidation internal circulation short-distance denitrification process |
| 01/04/2012 | CN101962239B Method for purifying titanium white wastewater |
| 01/04/2012 | CN101935110B Method for treating and recycling hot-rolling high-oil-containing waste water in iron and steel plant |
| 01/04/2012 | CN101891334B Low energy consumption integrated hydrolysis-denitrifying ammoxidation process for treating low C/N ratio wastewater |