| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 10/23/2013 | CN102633393B Nanotechnology integral treating device for inorganic/ organic waste water |
| 10/23/2013 | CN102627368B Self-purification system of water storage container |
| 10/23/2013 | CN102583885B Technology and method for treating urban sewage by three-section short-cut nitrification/ anaerobic ammonia oxidation |
| 10/23/2013 | CN102583863B Wastewater treatment method for unsaturated polyester resin |
| 10/23/2013 | CN102557294B Sludge separating and filtering clarification tank and treatment process thereof |
| 10/23/2013 | CN102491460B Soluble metal salt recovery and wastewater purification device and method thereof |
| 10/23/2013 | CN102452742B Method and device for treating cutting fluid wastewater through magnetic catalysis |
| 10/23/2013 | CN102070276B Device and method for treating sewage wastewater by autocontrol acoustic method used for reducing sludge water content and improving bypass flow properties |
| 10/23/2013 | CN101628722B Process for refining crude salt |
| 10/22/2013 | US8562841 Glycerine-biodiesel continuous flow separator and methodology of use |
| 10/22/2013 | US8562833 Subsurface wave power generation water purification systems and methods |
| 10/22/2013 | US8562828 Wastewater treatment apparatus |
| 10/17/2013 | WO2013153587A1 Method and device for treating accompanying water from well |
| 10/17/2013 | WO2013153073A1 Disinfection device for water dispenser |
| 10/17/2013 | US20130270189 Treatment of contaminated impound water |
| 10/17/2013 | US20130270159 Expandable modular ultra pure water machine |
| 10/16/2013 | EP2650261A1 Disinfection device for water dispenser |
| 10/16/2013 | EP2649016A2 Continuous processing methods for biological products |
| 10/16/2013 | CN203241755U Automatic alarm-type pure water processing system |
| 10/16/2013 | CN203238144U Domestic sewage treatment device for ship |
| 10/16/2013 | CN203238143U Integrated device for strengthened purification of lake and river water |
| 10/16/2013 | CN203238142U Regeneration and recycle device for papermaking advanced treatment wastewater |
| 10/16/2013 | CN203238141U Sewage biological treatment membrane filtration system |
| 10/16/2013 | CN203238140U Multi-stage deep wastewater circulating treatment system |
| 10/16/2013 | CN203238139U Wastewater reuse treatment device for surface treatment |
| 10/16/2013 | CN203238138U Swine wastewater treatment equipment |
| 10/16/2013 | CN203238137U Swine wastewater simultaneous nitrogen and phosphorus removal equipment |
| 10/16/2013 | CN203238136U Water purification system of water purifier |
| 10/16/2013 | CN203238135U Circulating batch sewage treatment photocatalytic reactor |
| 10/16/2013 | CN203238134U Combined type magnetized water purifier |
| 10/16/2013 | CN203238133U Self-powered micro-electrolysis photoelectric water treatment system structure |
| 10/16/2013 | CN203238132U Temperature regulation water purifier |
| 10/16/2013 | CN203238131U Portable water body filter device |
| 10/16/2013 | CN203238130U System for processing RO (Reverse Osmosis) water |
| 10/16/2013 | CN203238129U Device for discharging tar wastewater back to tower of ammonia still tower |
| 10/16/2013 | CN203238128U Integrated multipole electrochemical water treatment equipment |
| 10/16/2013 | CN203238127U Water treatment system for preparing green direct-drinking water disinfectant by electrochemically activating sodium chloride solution |
| 10/16/2013 | CN203238126U Equipment for treating dyeing wastewater |
| 10/16/2013 | CN203238125U Sewage treatment micro-flocculation deep filtration device |
| 10/16/2013 | CN203238124U Wastewater treating and reusing device |
| 10/16/2013 | CN203238123U Treated water quality effectively ensuring system for treating water for food processing |
| 10/16/2013 | CN203238122U Water circulation device of storage battery production workshop |
| 10/16/2013 | CN203238121U Device special for purifying dangerous waste percolate |
| 10/16/2013 | CN203238120U Device for treating wastewater in fluorescent powder waste recovery production process |
| 10/16/2013 | CN203238119U Sewage treatment system |
| 10/16/2013 | CN203238118U Manual emergency disaster relief water supply system |
| 10/16/2013 | CN203238117U Oil-water-slag separator for kitchen waste |
| 10/16/2013 | CN203238116U Reverse osmosis brine removing system |
| 10/16/2013 | CN203238115U Grease separator |
| 10/16/2013 | CN203238114U System for recycling dyeing cooling water |
| 10/16/2013 | CN203238113U Water treatment equipment for solving large water outlet temperature fluctuation of ultra-filtered raw water heater |
| 10/16/2013 | CN203238112U Construction site wastewater precipitating, purifying and recycling system |
| 10/16/2013 | CN203238111U Controllable backwash valveless filtering pool |
| 10/16/2013 | CN203238110U Mechanical sealed cooling device |
| 10/16/2013 | CN203238109U Bilge oil-water separation equipment used for ship |
| 10/16/2013 | CN203238070U Novel household water purification device |
| 10/16/2013 | CN203235333U Household water purifier with cleaning device |
| 10/16/2013 | CN203235330U Water purifier capable of decomposing toxic substances and producing various filtered water |
| 10/16/2013 | CN103351088A Treatment and regenerative cyclic utilization device for tobacco sheet production wastewater |
| 10/16/2013 | CN103351087A Denitrification purification method for wastewater containing high concentration nitrate ions |
| 10/16/2013 | CN103351086A Ecological treatment circulatory system for discharge water of sea farming pond |
| 10/16/2013 | CN103351085A Biological treatment method and device for sulfate organic wastewater |
| 10/16/2013 | CN103351084A Multi-stage water quality eco-purification system suitable for shallow narrow mixed water river channel |
| 10/16/2013 | CN103351083A Mobile water body purification system |
| 10/16/2013 | CN103351082A Method capable of realizing zero emission of oilfield produced wastewater subjected to advanced treatment in artificial wetland |
| 10/16/2013 | CN103351081A Construction method for ecological filtration bank used for purifying agricultural runoff pollution |
| 10/16/2013 | CN103351080A Purification method for rural domestic sewage and stepped sewage percolation purification system |
| 10/16/2013 | CN103351079A Sewage treatment system used in precision-investment casting technique |
| 10/16/2013 | CN103351078A Short-cut denitrification system and method combining coal chemical industry wastewater outside loop moving bed reactor and biological aerated filter |
| 10/16/2013 | CN103351077A Multifunctional full-effect direct drinking system |
| 10/16/2013 | CN103351076A Comprehensive industrial wastewater processing method |
| 10/16/2013 | CN103351075A Treatment method of wastewater generated in production of preparing ultrafiltration membrane |
| 10/16/2013 | CN103351074A Electrochemical sewage disposal method |
| 10/16/2013 | CN103351073A Device and method for processing chemical wastewater with salinity higher than 10% |
| 10/16/2013 | CN103351072A Treatment process and treatment system for oil sand oil mining sewage |
| 10/16/2013 | CN103351071A Device and method for dynamic processing in water purification |
| 10/16/2013 | CN103351070A Method for treating glyphosate waste water |
| 10/16/2013 | CN103351069A Pre-treatment technology of digestion black liquor in manufacturing of recycling pulp by diffusion dialysis |
| 10/16/2013 | CN103351068A Pre-treatment technology of ultrafiltration for electrodialytic alkali recovery of black liquor in pulp manufacturing |
| 10/16/2013 | CN103351067A Washing wastewater reuse method |
| 10/16/2013 | CN103351066A Novel wet flue gas desulfurization wastewater treatment method and system |
| 10/16/2013 | CN103351065A Mixed type foundry waste sand wet reclamation wastewater processing method |
| 10/16/2013 | CN103351064A Millipore filtration pretreatment technology for recovery of electrodialysis alkali from pressed liquor in production of viscose fiber |
| 10/16/2013 | CN103351041A Electrodialysis alkali recovery technology during viscose fiber production |
| 10/16/2013 | CN103349967A Method for preparing magnetic blueberry-pomace material adsorbing heavy metal ions and application of magnetic blueberry-pomace material in removal equipment |
| 10/16/2013 | CN103349867A Paper-making process reconstituted tobacco papermaking white water reuse treatment method |
| 10/16/2013 | CN103073143B Strong brine zero emission treatment process for iron and steel plant |
| 10/16/2013 | CN102936072B Nano-catalysis, electrolysis, flocculation and air-floatation device |
| 10/16/2013 | CN102910780B Device and method for processing high-salinity degradation-resistant waste water |
| 10/16/2013 | CN102826713B Device and method for strengthening and improving segment water sludge reduction by predation action of chironomidae larvae |
| 10/16/2013 | CN102826691B Electrode foil formation section phosphoric acid waste liquor treatment technique |
| 10/16/2013 | CN102786175B Tidal current energy self-supply circulating system of ship |
| 10/16/2013 | CN102701518B Pretreatment system for organic domestic wastewater |
| 10/16/2013 | CN102701512B Treatment method of anaerobic fermentation biogas slurry from livestock and poultry raising |
| 10/16/2013 | CN102701489B Three-step process for high-concentration phosphorus-containing wastewater by calcium aluminum compound |
| 10/16/2013 | CN102674579B Water supply depth processing system capable of automatically washing, realizing water supply according to quality, saving water and reducing emission |
| 10/16/2013 | CN102642987B High-concentration sewage treatment method |
| 10/16/2013 | CN102642961B Reuse treatment method for industrial wastewater from refrigerator compressor factory |
| 10/16/2013 | CN102583886B Artificial wetland for treating sewage |
| 10/16/2013 | CN102583803B Method and apparatus for generating fresh water, and method and apparatus for desalinating sea water |