| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/28/2005 | WO2005037714A1 Method for treatment of sludge |
| 04/28/2005 | US20050087554 Method and apparatus for disinfecting a refrigerated water cooler reservoir |
| 04/28/2005 | US20050087495 For wastewater treatment; comprises metal trap (fish bone char) which adsorbs metals and a second trap which filters organic materials |
| 04/28/2005 | US20050087493 Fabrication method of semiconductor integrated circuit device |
| 04/28/2005 | US20050087492 Reverse osmosis water filtering system |
| 04/28/2005 | US20050087260 Bottled water dispenser with shutoff, variable filtration capacity and replaceable cartridge filter |
| 04/27/2005 | CN2695439Y Water purification magnetization, minerization apparatus |
| 04/27/2005 | CN1609022A Papermaking effluent treating method |
| 04/27/2005 | CN1609021A Method of eliminating trivalent arsenic compound from underground water with potassium permanganate as oxidant |
| 04/27/2005 | CN1199243C Method for making semiconductor device |
| 04/27/2005 | CN1198766C New process for treating sewerage |
| 04/26/2005 | US6884355 Process for treating organic wastewater and apparatus for treating the organic wastewater |
| 04/26/2005 | US6884347 Wastewater treatment system |
| 04/26/2005 | US6884344 Hydrogen-dissolved water production apparatus |
| 04/21/2005 | WO2005035697A1 Methods and systems for dewatering and gasification |
| 04/21/2005 | WO2005035128A2 Carbonaceous waste treatment system and method |
| 04/21/2005 | WO2005035104A1 Method for removing at least one constituent from a solution |
| 04/21/2005 | WO2005034613A2 Apparatus and method for controlling biomass growth in suspended carrier bioreactor |
| 04/21/2005 | WO2004076358A3 Dissolved air flotation system |
| 04/21/2005 | US20050082235 manually pumping unpurified water through a conduit to be exposed to a germicidal ultraviolet (UV-C) lamp that is energized by a manually operable electric generator; portable; water treatment |
| 04/21/2005 | US20050082164 Water treatment apparatus ensuring uniform quality of treated water |
| 04/21/2005 | CA2541545A1 Apparatus and method for controlling biomass growth in suspended carrier bioreactor |
| 04/20/2005 | CN1608035A Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input |
| 04/20/2005 | CN1607190A Material adding and inverting AAO waste water treatment process |
| 04/20/2005 | CN1197793C Process for treating recovered water in oil field |
| 04/20/2005 | CN1197792C GAC-03-UV comprehensive treatment water dispenser |
| 04/20/2005 | CN1197791C Comprehensive treatment method for mixed waste water containing chromium and heavy metal |
| 04/19/2005 | US6881349 Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid |
| 04/19/2005 | CA2240283C Thermal plasma reactor and wastewater treatment method |
| 04/14/2005 | WO2005033023A1 Sewage treatment |
| 04/14/2005 | WO2005033020A1 Controlled eutrophication system and process |
| 04/14/2005 | US20050077250 Methods for recovering metals |
| 04/14/2005 | US20050077239 for the control of biomass growth on suspended media within fluidized-bed bioreactors. |
| 04/14/2005 | US20050077219 Process and device for the treatment of effluents produced during wine manufacture |
| 04/13/2005 | EP1522529A1 Device for using liquid waste |
| 04/13/2005 | EP1522524A1 Filtration unit, filtration unit installation method, and filtration apparatus |
| 04/13/2005 | EP1522339A1 Method and apparatus for removing at least one constituent from a solution |
| 04/13/2005 | CN2692138Y Valve controlled pond water quality automatic purifying device |
| 04/13/2005 | CN1605379A Filtration unit, installation method for a filtration unit and filtration apparatus |
| 04/13/2005 | CN1605378A Method of fabricating a semiconductor device |
| 04/12/2005 | US6878268 Apparatus for purification of water |
| 04/12/2005 | CA2316012C Method of disinfecting a deionized water producing apparatus and method of producing deionized water |
| 04/12/2005 | CA2193303C Process for producing a fresh wiping solution and for treating a used solution and apparatus for carrying out the process |
| 04/07/2005 | WO2005030658A1 Reduced pressure water filtration system |
| 04/07/2005 | WO2005030657A1 Modular panel unit for producing purified water having security features |
| 04/07/2005 | WO2005030656A1 Improvements relating to water treatment apparatus |
| 04/07/2005 | WO2005030652A1 Methods for the purification of contaminated waters |
| 04/07/2005 | WO2005030587A1 Mobile modular bottled water plant and modules therefor |
| 04/07/2005 | WO2005030363A1 System to produce drinking water |
| 04/07/2005 | US20050072724 Filtration unit, installation method for a filtration unit and filtration apparatus |
| 04/06/2005 | EP1028845B1 System for extracting soluble heavy metals from liquid solutions |
| 04/06/2005 | CN2690391Y Integrated neutral water reuse processor |
| 04/06/2005 | CN2690390Y Integrated neutral water reuse processor |
| 04/06/2005 | CN1604984A Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 04/06/2005 | CN1603255A Trench type sewage ecological engineering processing and reclamation technique |
| 04/06/2005 | CN1603254A Small-sized waste water circular processing device |
| 04/06/2005 | CN1195686C Method and apparatus for treatment of biological suspensions |
| 04/05/2005 | US6875362 Denitrification, dephosphorization; electrochemical process |
| 04/05/2005 | US6874700 Contamination control method and apparatus, and air-conditioning system of a substrate processing facility employing the same |
| 03/31/2005 | WO2005028382A1 Method of reducing the pollution load of purines |
| 03/31/2005 | WO2005028379A1 Method and apparatus for treating drain water from step of washing fly ash with water |
| 03/30/2005 | EP1470080A4 Apparatus and method for separating and filtering particles and organisms from flowing liquids |
| 03/30/2005 | CN2688696Y Integrated sewage treating and utilizing apparatus for washing vehicle |
| 03/30/2005 | CN2688695Y Circulated water purifier |
| 03/30/2005 | CN2688694Y Combined apparatus for treating medium water at high speed |
| 03/30/2005 | CN1600709A Method for improving capability of linking up with biomembrane of suspension padding |
| 03/30/2005 | CN1600708A Special floating-up fiber filter bulb supplied device of living water containing super high oxygen magnetized by biochemistry wave energy in high frequency |
| 03/30/2005 | CN1194915C Scrubbed waste water treating and resource recovering process during production of chlorobenzene |
| 03/30/2005 | CN1194914C Scouring waste water closed circulating method |
| 03/30/2005 | CN1194910C Improved oxidation channel city sewage treamtent process |
| 03/30/2005 | CN1194909C Integral equipment for shock wave mass transfer and biochemical anerobic process |
| 03/29/2005 | US6872317 Comprises natural/regenerated fiber; waste treatment; pollution control |
| 03/29/2005 | US6872306 Multifunctional pure water maker |
| 03/29/2005 | US6872261 Method of depolluting soil polluted by hydrocarbons |
| 03/24/2005 | WO2005026058A1 Self-cleaning water reservoir and purification system |
| 03/24/2005 | WO2005026055A2 Treatment of aqueous chemical waste |
| 03/24/2005 | US20050061750 Methods for the purification of contaminated waters |
| 03/24/2005 | US20050061736 Used water treatment system for residences and the like |
| 03/24/2005 | US20050061718 System for desalination and distribution of saline raw water |
| 03/23/2005 | EP1515917A1 Method for precipitating or flocculating substances contained in solutions |
| 03/23/2005 | EP1515916A1 Waste water purification apparatus and waste water purification method including the regeneration of used coagulant |
| 03/23/2005 | CN1599699A Sewage treatment plant |
| 03/23/2005 | CN1599698A Water filter cartridge |
| 03/23/2005 | CN1597578A Water treatment method for realizing drinking water deep purification by fixed bioactive carbon technology |
| 03/23/2005 | CN1597577A Factory waste water zero discharge treatment technology |
| 03/23/2005 | CN1597576A Biological oxidation ship |
| 03/23/2005 | CN1597575A Deep purification treatment method for waste water |
| 03/23/2005 | CN1597574A Sewage recorery treatment system |
| 03/23/2005 | CN1193943C Garbage infiltration liquid treating method |
| 03/23/2005 | CN1193942C Process for producing small molecular group running water by using ceramic particles as medium |
| 03/22/2005 | US6869530 Multifunctional internal marine aquarium filter |
| 03/22/2005 | US6868690 Production of potable water and freshwater needs for human, animal and plants from hot and humid air |
| 03/17/2005 | US20050058886 Electrochemical apparatus with retractable electrode |
| 03/17/2005 | US20050056598 Using oxidizer to release compound from matrix; exposure to reducing agents |
| 03/17/2005 | US20050056594 removal of suspended solids from chlorine-containing water by means of multimedia filter, followed by water-softening step and dechlorination step; ammonia is then removed from dechlorinated water before subjecting water to distillation |
| 03/17/2005 | US20050056581 System for recycling washing machine water |
| 03/16/2005 | EP1513773A1 Radio frequency identification system for a fluid treatment system |
| 03/16/2005 | CN2685328Y Efficient combined water purifier |
| 03/16/2005 | CN1594147A Water treatment method for recycling bath sewage using biological active carbon |
| 03/16/2005 | CN1594146A Ultrasonic catalytic oxidation-biological treatment method for poor-degradable organic water |