| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/28/2008 | US20080047903 Control system and process for wastewater treatment |
| 02/28/2008 | US20080047897 Method of recycling waste water and apparatus for performing the same |
| 02/28/2008 | DE202007015827U1 Anlage zur Reinigung von Umlaufwasser Plant for the treatment of circulation water |
| 02/27/2008 | EP1890975A1 Procedure for the treatment of purines and resulting product |
| 02/27/2008 | CN201027328Y Integrated automatic water conservation equipment |
| 02/27/2008 | CN201027190Y Device for processing wastewater with multi-chamber hydrolyzation-compound film biological process |
| 02/27/2008 | CN201027189Y Sewage processor |
| 02/27/2008 | CN201027188Y Integral water purifier |
| 02/27/2008 | CN201027187Y Current aquifer regulating mechanism |
| 02/27/2008 | CN101132992A Method of wastewater treatment and wastewater treatment equipment |
| 02/27/2008 | CN100371270C Combined treatment process for manioc producing effluent |
| 02/27/2008 | CN100371269C Method and installation for treating domestic sewage by using artificial wetland |
| 02/27/2008 | CN100371268C Treatment method of leather-making waste water |
| 02/26/2008 | US7335310 Adding coagulant; solid-liquid separation; decomposing dibenzodioxin-, dibenzofuran-, benzene-, alkane-, alkene-, phenol-, and/or or alkylphenol halides; polychlorinated biphenyls, phthalic esters, bisphenols, and/or polycyclic aromatic hydrocarbons with peroxide other than hydrogen peroxide |
| 02/26/2008 | US7335308 Method for treatment of liquids, in particular, for purification of contaminated water |
| 02/21/2008 | WO2008019993A1 Method for removing sulphate and heavy metals from waste water |
| 02/21/2008 | WO2007148367A3 Mobile system for potabilisation via osmosis |
| 02/21/2008 | US20080041717 Apparatus for electrolyzing an electrolytic solution |
| 02/21/2008 | DE102006038207A1 Verfahren zur Entfernung von Sulfat und Schwermetallen aus Abwasser A process for the removal of sulphate and heavy metals from waste water |
| 02/21/2008 | DE102006038206A1 Verfahren zur Entfernung von in gelöster Form vorliegenden Fremdstoffen aus Abwasser A method for removing foreign matter present in dissolved form from waste water |
| 02/21/2008 | CA2660791A1 Method for removing sulfate and heavy metals from waste water |
| 02/20/2008 | EP1888199A1 Spool valve manifold interconnect for a filter system |
| 02/20/2008 | CN201024514Y Domestic classified water supply system |
| 02/20/2008 | CN201024506Y Circulated water flushing type lavatory fecal sewage integral treatment machine |
| 02/20/2008 | CN201024144Y Dejecta processing device |
| 02/20/2008 | CN201024129Y Waste water zero discharge quick highly-effective automatic-clarification treatment field, device |
| 02/20/2008 | CN201024128Y Phosphorus-accumulating bacteria reinforced type improved CASS biological polluted water treatment device |
| 02/20/2008 | CN201024127Y Electricity light film water-purifying device |
| 02/20/2008 | CN201024126Y Economical type integral water factory |
| 02/20/2008 | CN201024120Y Integral highly-effective bioreactor |
| 02/20/2008 | CN101128398A Water treatment system |
| 02/20/2008 | CN101125725A Technique for treating fertilizer waste water |
| 02/20/2008 | CN101125724A Innocuous treatment method for mature landfill leachate |
| 02/20/2008 | CN101125723A Low-temperature sewage treatment method |
| 02/20/2008 | CN101125722A Grog paper-making waste water physicochemical circulation biochemical treatment zero discharging technique |
| 02/20/2008 | CN101125721A Technique for reusing sewage |
| 02/20/2008 | CN101125720A Synthetic treating process for pulp waste water |
| 02/20/2008 | CN101125719A Method for reclaiming hydrochloric acid and metal copper from printed circuit acidic etching waste liquid |
| 02/20/2008 | CN101125718A Method for treating medium and terminal garbage percolate |
| 02/20/2008 | CN101125717A Ternary combination flooding produced liquid oil-containing sewage treatment technique |
| 02/20/2008 | CN100369836C Synchronous denitrogen dephosphorus technology of city sewagte |
| 02/20/2008 | CN100369835C Treatment process for making sewage as recirculating cooling water |
| 02/20/2008 | CN100369834C Sewage treatment facility integrative anaerobic baffle-aerobic-adsorptive regeneration |
| 02/20/2008 | CN100369833C Method for removing arsenic from waste solution of etching PCB in order to produce feed additive of copper |
| 02/19/2008 | US7332091 Process for treating storm water |
| 02/19/2008 | US7332075 Water filter assembly |
| 02/19/2008 | CA2325395C Method for precipitating or flocculating substances out of solutions |
| 02/19/2008 | CA2306964C System for extracting soluble heavy metals from liquid solutions |
| 02/14/2008 | WO2007146671A3 Ultaviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| 02/14/2008 | US20080039317 Double-Layered Compacted Solid Water-Purification Product |
| 02/14/2008 | US20080035583 Oxidation reaction of the organic material with oxygenated water; reduces the Chemical Oxygen Demand (COD) of the effluents, thereby increasing biodegradability; increases the efficiency of the method and at the same time minimize pollution and precipitation |
| 02/14/2008 | US20080035577 System and Method for Treatment of Industrial Wastewater |
| 02/14/2008 | US20080035569 Water Treatment Device and Method Therefor |
| 02/14/2008 | US20080035547 Methods and apparatus for filtering water |
| 02/14/2008 | DE102004007751B4 Verfahren und Vorrichtung zur Luftbefeuchtung Method and apparatus for humidification |
| 02/13/2008 | EP1885655A2 Water treatment system and process |
| 02/13/2008 | EP1838627A4 Wastewater treatment plant |
| 02/13/2008 | CN201021447Y A device for manually adjusting and controlling water quality |
| 02/13/2008 | CN201021446Y Cleaning device for bitter salt water |
| 02/13/2008 | CN101121570A Method and device for treating domestic sewage by earthworm strengthened artificial wet land |
| 02/13/2008 | CN101121569A Method for treating acrylonitrile quenching technique waste water |
| 02/13/2008 | CN101121522A Phosphor-silicon-aluminum molecular sieve synthesis mother liquid utilization method |
| 02/13/2008 | CN100368325C Treatment method of sewage of nitrotoluene produced |
| 02/13/2008 | CN100368324C Method for treating high concentration organic waste water |
| 02/13/2008 | CN100368323C In situ composite reaction treatment device for life effluent and dejecta effluent |
| 02/13/2008 | CN100368322C Double function resin process for treating toluidine-containing effluent |
| 02/13/2008 | CN100368321C Ink waste liquid treatment for ink-jetting printer |
| 02/12/2008 | CA2455343C Reclosable fastener assembly with slider closed position indicator |
| 02/12/2008 | CA2249341C Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water |
| 02/07/2008 | WO2008015939A1 Method of reutilizing wastewater |
| 02/07/2008 | WO2008015142A1 Membrane reactor for the treatment of liquid effluents, comprising a membrane for diffusion of an oxidizing gas and a selective membrane, defining a reaction space between said membranes |
| 02/07/2008 | US20080029459 Water treatment Method and water treatment equipment |
| 02/07/2008 | DE202004021368U1 System und Vorrichtungen zum Behandeln von Abwässern von einer Triebwerksreinigung System and apparatus for treating wastewater of an engine cleaning |
| 02/07/2008 | DE102006035907A1 Plant for neutralization and cleaning of contaminated condensate from boilers and chimneys, comprises a filter housing that lets intake only through a recess from below into an activated carbon filter arranged into the filter housing |
| 02/06/2008 | CN201016103Y Wastewater denitrification processing equipment |
| 02/06/2008 | CN201016102Y Industrial waste water disposal device |
| 02/06/2008 | CN101119936A Fluid treatment method and apparatus |
| 02/06/2008 | CN101117260A Plural serial stage methane tank for treating culture waste-water |
| 02/06/2008 | CN101117259A Oil refinery sewage treatment and reusing process system and operation method thereof |
| 02/06/2008 | CN101117258A Method for treating epoxy resin waste-water with high alkalinity, high salt and high content of organics |
| 02/06/2008 | CN100366552C Process for depth treating total nitrogen of urban sewage |
| 02/06/2008 | CN100366507C Equipment of combining microfiltration with ultra-violet radiation for governing invasion of aquatic organism of shipping ballast |
| 02/06/2008 | CN100366350C Removal of environmental pollutant tetrabro-bisphenol A |
| 02/05/2008 | US7326352 Water treatment system |
| 01/31/2008 | WO2008014251A2 Filter assembly for a reprocessor |
| 01/31/2008 | WO2008011676A1 Fluid treatment apparatus and modular tank therefor |
| 01/31/2008 | US20080025911 Recovery of sulphuric acid |
| 01/31/2008 | US20080023385 Antimicrobial multicomponent filtration medium |
| 01/31/2008 | DE102006034895A1 Verfahren zur Entfernung von Schadstoffen aus Flüssigkeiten und Vorrichtung zur Durchführung des Verfahrens A process for removing pollutants from liquids and device for carrying out the method |
| 01/31/2008 | DE102006033538A1 Device for desalination of seawater as electrolyte, comprises electrolyzer in which alternating current powered electrodes and bipolar electrodes are intended and in which electromagnet is arranged in an air gap |
| 01/30/2008 | CN201013340Y Oil field fire coal steam-injection boiler water treatment apparatus |
| 01/30/2008 | CN201013028Y Environment protection device for saving domestic water |
| 01/30/2008 | CN101113066A Sewage treatment system of plant pharmaceutical factory and its method |
| 01/30/2008 | CN101113065A Impact-resistant multiplication combined type coking waste water treatment process |
| 01/30/2008 | CN101113064A Buried life sewage treatment equipment and method for treating life sewage |
| 01/30/2008 | CN101113063A High-chlorine high-heat heavy crude sewage water treating method |
| 01/30/2008 | CN101113062A Vanadium-containing sewage treatment method |
| 01/30/2008 | CN101113043A Method for removing organic matter from oil field wastewater |
| 01/30/2008 | CN101113013A Method and device for preparing cupric oxide/cupric sulfate by reclaiming wiring board etching waste liquor |
| 01/30/2008 | CN100365203C Process for realizing waste-water zero-discharge of papermaking from waste paper by anaerobic-aerobic treatment |