| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 05/11/2011 | CN201825821U Sewage treatment tank for ecological restoration |
| 05/11/2011 | CN201825820U Self oxygenating and stirring purification device for domestic sewage |
| 05/11/2011 | CN201825819U Micro-pollution water treatment device |
| 05/11/2011 | CN201825818U Device for removing organic matter and ammonia nitrogen in aquatic water |
| 05/11/2011 | CN201825817U Device for removing nitrate nitrogen in aquatic water |
| 05/11/2011 | CN201825816U Water treatment preposed filter device for water purification |
| 05/11/2011 | CN201825815U Manual-automatic integrated sewage disposal and magnetic mineralization ultra-filtration membrane water purifier |
| 05/11/2011 | CN201825814U Multistage water purification and mineralization machine |
| 05/11/2011 | CN201825813U Full-automatic subminiature emergency water source machine |
| 05/11/2011 | CN201825812U Water purifying device |
| 05/11/2011 | CN201825811U Whole house water purification system |
| 05/11/2011 | CN201825810U Special ozone water treatment integral machine for safety of rural drinking water |
| 05/11/2011 | CN201825809U Circulating purification device for water in swimming pool |
| 05/11/2011 | CN201825808U Micro-nanometer energy activation water purifier |
| 05/11/2011 | CN201825807U Treating device for zinc galvanizing waste water |
| 05/11/2011 | CN201825806U High-efficiency and energy-saving sewage treatment series equipment |
| 05/11/2011 | CN201825805U Vortex type multi-medium filter |
| 05/11/2011 | CN201825804U Thick water reverse osmosis device of water treatment system |
| 05/11/2011 | CN201825803U Coagulating sedimentation-reinforced sewage treatment device |
| 05/11/2011 | CN201825802U Movable type sewage treatment device |
| 05/11/2011 | CN201825801U Underground integral air flotation comprehensive water treatment device |
| 05/11/2011 | CN201825800U Pressure-stabilizing water-saving system for leading pure water to flow back into water storage tank |
| 05/11/2011 | CN201825799U Voltage-stabilizing water-saving system for pure water lowing back to pipeline |
| 05/11/2011 | CN201825798U Reverse osmosis membrane water purifier with less or no wastewater draining |
| 05/11/2011 | CN201825797U Integrated type nanofiltration membrane water purifier for removing ferro-manganese and fluorine |
| 05/11/2011 | CN201825796U Intelligent mineral spring bathing central water purifier |
| 05/11/2011 | CN201825795U Multifunctional household water purifier |
| 05/11/2011 | CN201823398U Novel sewage treatment device with vibrating gratings |
| 05/11/2011 | CN102053615A Unsteady-state sectional influent water depth nitrogen and phosphorus removal process control system and control method |
| 05/11/2011 | CN102051267A Industrialized treatment facility and method for catering wastes |
| 05/11/2011 | CN102050555A Device and method for treating and recycling printing and dyeing wastewater |
| 05/11/2011 | CN102050554A Treatment method of high-concentration resin desorption liquid after deep purification of wastewater |
| 05/11/2011 | CN102050553A Method and device for concentration of biogas and standard emission of clear liquid |
| 05/11/2011 | CN102050552A Novel high-turbidity and biochemical integrated water purifier |
| 05/11/2011 | CN102050551A Water spray type filter bed type wastewater treatment apparatus |
| 05/11/2011 | CN102050550A Method for preparing sterile water by utilizing biotechnology |
| 05/11/2011 | CN102050549A Integrated sewage treatment device |
| 05/11/2011 | CN102050548A Treatment and reuse method of waste water in methanol-to-olefin process |
| 05/11/2011 | CN102050547A Pretreatment method of organic wastewater difficult to biochemically degrade |
| 05/11/2011 | CN102050546A Method and device for comprehensive treatment of domestic sewage and organic waste |
| 05/11/2011 | CN102050545A Ship domestic sewage treatment device with pre-separation tank |
| 05/11/2011 | CN102050544A Treatment method for high-concentration organic wastewater and device used thereby |
| 05/11/2011 | CN102050543A Ecological-floating island type pond water purification method |
| 05/11/2011 | CN102050542A Deep treatment method for high-concentration organic wastewater |
| 05/11/2011 | CN102050541A Treatment method for wastewater from stripping tower |
| 05/11/2011 | CN102050540A Water sequencer |
| 05/11/2011 | CN102050539A Movable industrial wastewater advanced treatment experimentation device |
| 05/11/2011 | CN102050538A Process method/device adopting RO membrane to perform water treatment |
| 05/11/2011 | CN102050537A Sewage treatment equipment |
| 05/11/2011 | CN102050536A Process for treating electroplating wastewater |
| 05/11/2011 | CN102050535A Processing method for resource recovery of acidic dye waste water |
| 05/11/2011 | CN102050534A Method for treating waste water from rubber antioxidant tmq (RD) device |
| 05/11/2011 | CN102050533A Method for treating and recycling circulating water and sewage |
| 05/11/2011 | CN102050532A Integral treatment process of oily sewage of oil field |
| 05/11/2011 | CN102050531A Fluorine-containing wastewater treatment method |
| 05/11/2011 | CN102050530A Catalytic ozone oxidation and air flotation combined waste water treatment method |
| 05/11/2011 | CN102050529A Immersed water treatment device of inner circulating membrane coagulation reactor |
| 05/11/2011 | CN102050528A Health-type water activating machine |
| 05/11/2011 | CN102050508A Sewage treatment method for circulating cooling water system |
| 05/11/2011 | CN102050471A Method for recycling sodium formate and sodium sulfite from waste sodium hydrosulfite liquid with sodium formate method |
| 05/11/2011 | CN101700930B Automatic spraying defoaming device for waste leachate |
| 05/11/2011 | CN101693583B Biochemical comprehensive treatment method for 1, 3-propylene glycol fermentation organism waste water |
| 05/11/2011 | CN101693576B Technology for rapidly treating domestic sewage discharged without residual mud by second-stage adsorption |
| 05/11/2011 | CN101665309B Method for treating gasified waste water containing high-concentration phenol and ammonia |
| 05/11/2011 | CN101648761B Device for purifying and emulsifying oily wastewater by low temperature plasma synergetic flocculating agent |
| 05/11/2011 | CN101628769B High-concentration waste waster treatment device |
| 05/11/2011 | CN101597124B Method for treating coal gasification wastewater containing phenol and ammonia |
| 05/11/2011 | CN101585651B Organic waste water processing method with synchronously carbon, nitrogen and sulfur removal in one reactor |
| 05/11/2011 | CN101583246B Printed circuit board cleaning machine |
| 05/11/2011 | CN101549927B System for purifying and treating water quality |
| 05/11/2011 | CN101531437B Compound treatment method of wastewater in pig farm |
| 05/11/2011 | CN101503260B System for preparing steady state oxygen ionized water |
| 05/11/2011 | CN101481185B Method for separating and removing heavy metal ion in water by cation exchange membrane chemistry reactor |
| 05/11/2011 | CN101423315B Repair method and device of lake water body |
| 05/11/2011 | CN101306896B Process for treating high-ammonia-nitrogen-containing waste water |
| 05/11/2011 | CN101269899B Comprehensive approach for acrylic wastewater |
| 05/11/2011 | CN101234828B Integrated electroplating treatment method for waste water |
| 05/11/2011 | CN101215059B Alkaline chemical deposition treatment method for overproof metal pollution in water |
| 05/11/2011 | CN101201989B Multifunctional automatization biological sewage treatment composite experimental device |
| 05/10/2011 | US7938956 Water purification system and method, and module for the system |
| 05/10/2011 | CA2455127C System and method for removing contaminants from liquid |
| 05/05/2011 | WO2011053362A1 Wastewater treatment system with ozonation for microconstituent removal |
| 05/05/2011 | WO2011050639A1 Reaction apparatus for simultaneous denitrification and dephosphorization with two-sludge and biofilm processes |
| 05/05/2011 | US20110100924 Compact Wastewater Concentrator and Contaminant Scrubber |
| 05/05/2011 | US20110100918 Water purifier directly connected to faucet |
| 05/05/2011 | US20110100897 System and method for liquid purification |
| 05/05/2011 | US20110100885 Ballast water treatment device |
| 05/04/2011 | CN201817367U Treatment device for recovering dye-printing washing waste water |
| 05/04/2011 | CN201817366U Device for treating phenolic wastewater with high concentration |
| 05/04/2011 | CN201817365U Vehicle-mounted onsite quick cleaning device for septic tank |
| 05/04/2011 | CN201817364U Automatically-controlled double-bed combined type biological sewage treatment system |
| 05/04/2011 | CN201817363U Palm fiber sewage treatment device |
| 05/04/2011 | CN201817362U Novel integrated water treatment equipment |
| 05/04/2011 | CN201817361U Printing and dyeing wastewater treatment system |
| 05/04/2011 | CN201817360U EPS waste water treatment system |
| 05/04/2011 | CN201817359U Efficient wastewater treatment system for farm |
| 05/04/2011 | CN201817358U Device for treating black grey water by modularized membrane method |
| 05/04/2011 | CN201817357U Full-reuse treatment device for coking wastewater through Fenton oxidation and double-membrane process |
| 05/04/2011 | CN201817356U Coking wastewater advanced treatment and reuse device by using ozone, active carbon and double-membrane process |
| 05/04/2011 | CN201817355U Domestic sewage treatment device |