| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 12/27/2006 | EP1485182B1 Quick change filter and bracket system with key system and universal key option |
| 12/27/2006 | CN2851258Y Reclaiming and reusing device for waste slurry and waste water of concrete |
| 12/27/2006 | CN1884152A Integrated device for treating domestic sewage on fluidized bed |
| 12/27/2006 | CN1884151A Bio-treatment method for dephosphorization and denitrogenation of sewage |
| 12/27/2006 | CN1884150A Method for treating coal gasification wastewater by single-tower pressurization stripping and device therefor |
| 12/27/2006 | CN1884149A Method for treating waste water in production of 4,6-dinitro o-sec-butyl phenol |
| 12/27/2006 | CN1884148A Process for treating dyeing waste water with high COD value and high colour |
| 12/27/2006 | CN1884147A Method for treating drilling waste water |
| 12/27/2006 | CN1884146A Method for realizing closed cycle of dyeing waste water |
| 12/27/2006 | CN1884145A 矿井水处理工艺及矿井水一体化处理装置 Mine water treatment technology and the integration of mine water treatment device |
| 12/27/2006 | CN1884144A Method for treating waste water in production of para-hydroxyphenyl hydantoin |
| 12/27/2006 | CN1884143A Process for treating industrial wastewater in production of canned mandarin orange |
| 12/27/2006 | CN1292016C Treatment method of organic silicon waste slag |
| 12/26/2006 | US7153438 Water treatment compositions with masking agent |
| 12/26/2006 | US7153432 Method of purifying Fischer-Tropsch derived water |
| 12/26/2006 | US7153393 4-stage process: equilibrium staged separation process for removing non-acid oxygenated hydrocarbons; evaporation to reduce the total mass fraction of organic constituents; biological treatment for removing dissolved organic carbon; and solid-liquid separation for removing solids |
| 12/26/2006 | US7153178 Method of manufacturing a lamp assembly |
| 12/21/2006 | WO2006134453A1 Procedure for the treatment of purines and resulting product |
| 12/21/2006 | US20060284713 Inductively powered apparatus |
| 12/21/2006 | US20060283807 Process obtaining landfill disposable wasted from hydrocarbon containing sludge |
| 12/21/2006 | US20060283796 Nitrifying method and treating method of water containing ammonium-nitrogen |
| 12/21/2006 | CA2611957A1 Procedure for the treatment of purines and resulting product |
| 12/20/2006 | EP1734013A2 Process to treat waste water from olive oil production |
| 12/20/2006 | EP1733806A1 Inorganic film forming process and system |
| 12/20/2006 | EP1732661A1 Filter cartridge and manifold for a water purification system |
| 12/20/2006 | EP1448049B1 Process and means for the treatment of water in an aquaculture system |
| 12/20/2006 | CN1880881A Closed type recovery and utilization method for steam condensed water |
| 12/20/2006 | CN1880248A Active organism treatment environment-friendly device for city domestic sewage |
| 12/19/2006 | US7150832 such as sewage sludge and animal manures; anaerobic digester; spray nozzle at or adjacent to its upper end for spraying an anti-foam liquid onto the contents of the vessel |
| 12/19/2006 | US7150831 Method of purifying fischer-tropsch derived water |
| 12/19/2006 | US7150829 Water treatment cartridges and processes related thereto |
| 12/19/2006 | US7150320 Water treatment method for heavy oil production |
| 12/14/2006 | WO2006132519A1 Composition and method for the treatment of wastewater and sewage water in order to produce drinking water |
| 12/14/2006 | WO2006131593A1 Water purification apparatus |
| 12/14/2006 | US20060280647 circulation system for improved filtration of filtering water used in a microbial deactivation/sterilization system for medical, dental, pharmaceutical, veterinary or mortuary instruments and devices |
| 12/14/2006 | US20060278587 Gasification, pyrolysis, and liquification to convert the high-solids animal waste stream into fuel |
| 12/14/2006 | US20060278079 Isothermal gas-free water distillation |
| 12/13/2006 | EP1731485A1 Method of treating strongly acid wastewater containing harmful substance |
| 12/13/2006 | EP1730081A1 Dewatering process |
| 12/13/2006 | EP1730078A1 A system and method for the on-demand on-line treatment of water |
| 12/13/2006 | EP1044060A4 Bacteriostatic filter cartridge |
| 12/13/2006 | CN2846533Y Device for solar energy environment protection toilet |
| 12/13/2006 | CN2846462Y Washing device without washing powder and capable of circulating water |
| 12/13/2006 | CN2846411Y High effeciency synchronous biological dephosphating denitrification device |
| 12/13/2006 | CN2846410Y Water circulation using machine for washing car |
| 12/13/2006 | CN1878730A Cell for generating disinfection water and system using the same |
| 12/13/2006 | CN1878728A Flow-through tank for water treatment |
| 12/13/2006 | CN1289415C Processing technology for tobacco thin sheet waste water by paper-making method |
| 12/13/2006 | CN1289414C Sewage treating plant for water region |
| 12/13/2006 | CN1289413C Technique for processing and reclamation of industrial wastewater from printing electronic circuit board |
| 12/13/2006 | CN1289412C Salt lake bittern purifying and decolorizing method |
| 12/13/2006 | CN1289407C Treatment method for treated water containing organic and nitrides |
| 12/12/2006 | US7147787 Use of a degradation-enhancing oxidizing agent to increase the rate of reaction for the degradation of polymers in an aqueous environment to facilitate disposal |
| 12/12/2006 | US7147775 Method of purifying fischer-tropsch derived water |
| 12/12/2006 | CA2387935C Waste treatment process |
| 12/07/2006 | WO2006130052A1 Method and device for purification of water |
| 12/07/2006 | WO2006129132A1 Biological nitrogen removal from wastewater in a sbr reactor without nitrate production |
| 12/07/2006 | WO2006128229A1 Modular water treatment unit |
| 12/07/2006 | WO2006076446A3 Treatment of wastewater streams containing surfactants |
| 12/07/2006 | US20060273009 Mobile desalination plants and systems, and methods for producing desalinated water |
| 12/07/2006 | CA2611284A1 Modular water treatment unit |
| 12/06/2006 | EP1727770A1 Method for treating water from displacement and therapy basins |
| 12/06/2006 | EP1585587B1 Filter cartridge having bypass feature |
| 12/06/2006 | EP1224032A4 Centrifugal pressurized separators and methods of controlling same |
| 12/06/2006 | CN2844113Y Wet-land sewage-water treater of filter adsorptive submerge |
| 12/06/2006 | CN2844112Y Multi-functional treater with sewage treating, sewage purifying and seawater desalinating functions |
| 12/06/2006 | CN1872746A Method for treating wastewater from ADC vesicant, and integrated plant |
| 12/06/2006 | CN1872745A Infiltration method for treating garbage |
| 12/06/2006 | CN1872744A Method for treating wastewater from pharmacy of compound oxidation under quick heating and high temperature |
| 12/06/2006 | CN1872743A Applied technique for treating wastewater from production of natural gas, and circular reutilization |
| 12/06/2006 | CN1872742A Technical methd for treating mine wastewater by using membrane technology |
| 12/06/2006 | CN1872727A Method for removing arsenic from waste solution of etching PCB in order to produce feed additive of copper |
| 12/06/2006 | CN1872725A Method for treating ammonia nitrogen in charking deposed ammonia |
| 12/06/2006 | CN1288101C Method for treating sewage generated by preparing carbide slag |
| 12/06/2006 | CN1288100C Combined process of treating high concentration and high colority effluent from acetaminophen production |
| 12/06/2006 | CN1288097C Drainage treating method and apparatus |
| 11/30/2006 | US20060270888 Carbonaceous waste treatment method using ozone |
| 11/30/2006 | US20060266690 Portable water filtration device |
| 11/29/2006 | EP1726571A1 Processor for purifying potable water from a spring or mains suply |
| 11/29/2006 | EP1603838A4 Two phase anaerobic organic matter treatment and system |
| 11/29/2006 | CN2841650Y Urban domestic sewage active biotreatment environmental-protection apparatus |
| 11/29/2006 | CN2841649Y Fluid purifying treatment apparatus |
| 11/29/2006 | CN1868928A Integrated treatment device for industrial waste water |
| 11/29/2006 | CN1868927A Method and device for treating garbage percolation sewage using composite dieselguhr |
| 11/29/2006 | CN1868926A Composite ecological treatment method of sewage for artificial wet land and its system |
| 11/29/2006 | CN1868925A Circulation utilization technology and equipment for electroplating waste water separated by integrated membrane |
| 11/29/2006 | CN1868914A Method and apparatus for treating hydrofluoric acid waste water |
| 11/29/2006 | CN1286745C Sewage treatment plant |
| 11/29/2006 | CN1286744C Method for controlling legionella in cooling towers |
| 11/29/2006 | CN1286740C Method and device for treating multiple form heavy metal waste water by multiphase transfer method |
| 11/29/2006 | CN1286735C Bulb assembly capable of generating electromagnetic radiation and used in lamp assembly |
| 11/28/2006 | US7141225 Purifying sludge; mixing FeCl3 to an acidic pH, mixing oxalic acid and ammonium chloride to form metal pro-chelates; adding alkali sulfides to form colloidal complex iron chelates, which trap the metals; neutralization to alkaline-ferrous sulfides and metal hydroxides, centrifuging the precipitate |
| 11/23/2006 | WO2006124906A1 Spool valve manifold interconnect for a filter system |
| 11/22/2006 | CN1867802A 饮用水供给装置 Potable water supply system |
| 11/22/2006 | CN1867519A Method of reducing the pollution load of purines |
| 11/22/2006 | CN1867518A Electrolysis cell for generating chlorine dioxide |
| 11/22/2006 | CN1867517A Water filter device |
| 11/22/2006 | CN1865175A Treating agent for lincomycin hydrochloride production waste water and its preparation method and usage method |
| 11/22/2006 | CN1865174A Treatment method for waste water containing high content calcium and organic matter |
| 11/22/2006 | CN1865173A Fluorine-containing waste water treatment method and its treating agent |