| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/03/2013 | CN103008274A Cylinder part cleaning machine |
| 04/03/2013 | CN103007780A Coagulation diatomite membrane as well as preparation method thereof and method for treating eutrophic water body by utilizing same |
| 04/03/2013 | CN103007625A Integrated water purification device and water purification method |
| 04/03/2013 | CN103007610A Multi-level functional water table board faucet device |
| 04/03/2013 | CN102531278B Process and system for deeply treating drinking water through two-section membrane method |
| 04/03/2013 | CN102503050B Artificial composite soil layer treatment system capable of reinforcing removal of endocrine disruptors |
| 04/03/2013 | CN102503047B Photocatalysis oxidation-aeration biofilter combined processor |
| 04/03/2013 | CN102491604B Multistage anaerobic/anoxic/oxic activated sludge process |
| 04/03/2013 | CN102424487B Electroplating wastewater recycling water quality improvement process |
| 04/03/2013 | CN102390893B Wastewater treatment device |
| 04/03/2013 | CN102381811B Method for removing pollutants in water through stepwise catalytic oxidation-biological activated carbon-ultraviolet (UV) combination |
| 04/03/2013 | CN102381805B Method and device for comprehensively purifying runoff rainwater |
| 04/03/2013 | CN102351385B Small-sized waterscape wetland system and construction method thereof |
| 04/03/2013 | CN102351364B Treatment method of wood chip washing waste water |
| 04/03/2013 | CN102344215B Novel water treatment method for boiler feedwater |
| 04/03/2013 | CN102320583B Method for recycling phosphorus from urban sludge anaerobic digestive fluid by utilizing dolomite |
| 04/03/2013 | CN102295384B 1,4-butanediol chemical waste water treatment technology |
| 04/03/2013 | CN102285737B Coal chemical sewage treatment method through electrochemical system using graphite polar plates |
| 04/03/2013 | CN102276095B Method for degrading organic pollutants in water by gradient ozone catalytic oxidation |
| 04/03/2013 | CN102267770B Method for removing lead and zinc elements in ferrous chloride acidic waste water |
| 04/03/2013 | CN102260163B Method for recovering lactic acid from marigold fermentation wastewater |
| 04/03/2013 | CN102249474B Treatment method for thiamine waste water produced in production process of phosethyl-Al bulk chemical |
| 04/03/2013 | CN102180561B Method and device for controlling water body eutrophication |
| 04/03/2013 | CN102153180B Multiple heavy metal synchronous coprecipitation coagulation composition agent and method for treating heavy metal wastewater |
| 04/03/2013 | CN102145956B Self-made heat bow-shaped shed rapid infiltration system |
| 04/03/2013 | CN102126807B Method for treating leveling waste liquor |
| 04/03/2013 | CN101863597B High ammonia nitrogen sewage processing method |
| 04/03/2013 | CN101817621B Semi-denitrification-based wastewater treatment technology |
| 04/02/2013 | CA2493710C Process and apparatus for treating liquid waste material |
| 03/28/2013 | WO2013041918A1 Portable water-treatment plant comprising filtration and ozone-based purification |
| 03/28/2013 | WO2012162533A3 Bioremediation reactor systems |
| 03/28/2013 | US20130075335 Apparatus and Process For Treatment of Water |
| 03/28/2013 | US20130075333 Apparatus and Process for Treatment of Water |
| 03/28/2013 | US20130075332 Apparatus and Process For Treatment of Water |
| 03/27/2013 | CN202837310U Biochemical analyzer capable of automatically supplying pure water |
| 03/27/2013 | CN202835790U Air energy water heater with water purification function |
| 03/27/2013 | CN202832312U Two-vehicle installing pressure unrelief well washing vehicle |
| 03/27/2013 | CN202831694U Infant swimming waste water recycling system |
| 03/27/2013 | CN202831429U Rainwater collection system for environment friendly movable toilet |
| 03/27/2013 | CN202829791U Apparatus for combination treatment of domestic sewage through air floatation technology and biotechnology |
| 03/27/2013 | CN202829790U Sludge reflux and aeration integrated sewage treatment device |
| 03/27/2013 | CN202829789U Biochemical treatment system based on wastewater oxidation |
| 03/27/2013 | CN202829788U Treatment device for benzene-containing waste water |
| 03/27/2013 | CN202829787U High-salinity high-concentration hot pickled mustard tuber organic wastewater treating system |
| 03/27/2013 | CN202829786U Advanced and efficient culture and slaughter wastewater treatment device |
| 03/27/2013 | CN202829785U Treatment system for nanofiltration and reverse-osmosis concentrated solution |
| 03/27/2013 | CN202829784U High-efficiency and energy-saving sewage degradation device |
| 03/27/2013 | CN202829783U Hydrolytic acidification and contact oxidation type sewage treatment device |
| 03/27/2013 | CN202829782U Integrated industrial wastewater treatment system |
| 03/27/2013 | CN202829781U Milk production sewage purification device |
| 03/27/2013 | CN202829780U Animal excrement four-specialty treatment system |
| 03/27/2013 | CN202829779U Reclaimed water reuse system for sewage treatment |
| 03/27/2013 | CN202829778U Sewage treatment device |
| 03/27/2013 | CN202829777U Electroplating wastewater treatment system |
| 03/27/2013 | CN202829776U Duck meat processing stinking smell sewage environmental friendly innocent treatment device |
| 03/27/2013 | CN202829775U Full-automatic membrane bioreactor (MBR) sewage treatment unit |
| 03/27/2013 | CN202829774U Treatment system for refractory organic waste water |
| 03/27/2013 | CN202829773U Water purifier with ozone sterilization function |
| 03/27/2013 | CN202829772U Comprehensive water treater with automatic sewage discharge function |
| 03/27/2013 | CN202829771U Purified water dispenser |
| 03/27/2013 | CN202829770U Advanced treatment device for leachate three-phase separation |
| 03/27/2013 | CN202829769U Mine wastewater recycling system |
| 03/27/2013 | CN202829768U Device for treating printing and dyeing wastewater through combination of microwave and electric flocculation |
| 03/27/2013 | CN202829767U KDF (KaiDeFei) ultrafiltration membrane water purifier with dust cover |
| 03/27/2013 | CN202829766U Integrated water maker with phosphate crystal silicon purifier |
| 03/27/2013 | CN202829765U Integrated multifunctional water purifier |
| 03/27/2013 | CN202829764U Novel sewage treatment unit |
| 03/27/2013 | CN202829763U Daily-use chemical plant water purifying device |
| 03/27/2013 | CN202829762U Ultrapure water machine with double wavelength ultraviolet |
| 03/27/2013 | CN202829761U Ultra-pure water machine provided with integrated built-in preprocessor |
| 03/27/2013 | CN202829760U Water treatment device |
| 03/27/2013 | CN202829759U Skid-mounted equipment |
| 03/27/2013 | CN202829758U Ultra-filtration water-purification magnetizing device |
| 03/27/2013 | CN202829757U Device for treating surfactant-containing wastewater |
| 03/27/2013 | CN202829756U Integrated central water generator |
| 03/27/2013 | CN202829755U Ultra-pure water preparation system |
| 03/27/2013 | CN202829754U Reclaimed water reuse and treatment device for family |
| 03/27/2013 | CN202829753U Integrated water supply device |
| 03/27/2013 | CN202829752U Comprehensive water treater with automatic reagent feeding and bypass-flowing functions |
| 03/27/2013 | CN202829751U Hydrogen water generator |
| 03/27/2013 | CN202829750U Comprehensive experimental device of desalting system |
| 03/27/2013 | CN202829749U Water purification device for fish farm |
| 03/27/2013 | CN202829748U High-efficiency flow-state sand filter |
| 03/27/2013 | CN202829747U Direct drinking machine of hydrogen-enriched activated water |
| 03/27/2013 | CN202829746U Water purifier capable of rapidly changing filter disk and filter material |
| 03/27/2013 | CN202829745U Split type water purifier |
| 03/27/2013 | CN202829744U Device with lime ultra-filtration combination used for reducing groundwater hardness |
| 03/27/2013 | CN202829743U Pure water purifying device |
| 03/27/2013 | CN202829742U Marble granite sewage treatment system |
| 03/27/2013 | CN202829741U Oil-water separation combination system for high oil wastewater of kitchen waste |
| 03/27/2013 | CN202829740U Paper machine white water recycling and disposal system |
| 03/27/2013 | CN202829739U Centre water purification system |
| 03/27/2013 | CN202829738U Household direct drinking water equipment |
| 03/27/2013 | CN202829737U Water processing device |
| 03/27/2013 | CN202829736U Direct drinking water purifier |
| 03/27/2013 | CN202829735U Water processing system |
| 03/27/2013 | CN202829734U Reclaimed water reusing and thick water discharging on standard system |
| 03/27/2013 | CN202829733U Water purifier |
| 03/27/2013 | CN202829732U Filter element of water purifier |
| 03/27/2013 | CN202829731U Two-in-one whole house water preparation machine |