| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 07/13/2011 | CN102120660A Chromium-ion containing wastewater treatment process and device thereof |
| 07/13/2011 | CN102120659A Method for removing nickel in chemical nickel-plating wastewater |
| 07/13/2011 | CN102120658A Treatment and recycling method of ammonia nitrogen in electrolytic manganese production end wastewater |
| 07/13/2011 | CN102120657A Fluorine removing process and device for drinking water |
| 07/13/2011 | CN102120656A Process for recycling isomerized mother liquor of phthalic anhydride wastewater |
| 07/13/2011 | CN102120655A Intensive integrated water purification equipment |
| 07/13/2011 | CN102120654A Small-town sewage pretreatment integrated device and method |
| 07/13/2011 | CN102120653A Treatment device and method of low-permeability high-salt oil field extracted wastewater |
| 07/13/2011 | CN102120652A Coal-based adsorption sewage treatment method and adsorption system |
| 07/13/2011 | CN102120651A Filter element used for sewage purification and sewage purification device with same |
| 07/13/2011 | CN102120647A Method for decreasing N2O generated in simultaneous biological denitrification and dephosphorization process |
| 07/13/2011 | CN101955284B Method of treating cyclohexanone saponification waste alkali liquor |
| 07/13/2011 | CN101693571B Wastewater pretreatment method |
| 07/13/2011 | CN101665303B Method for treating methyl dichloro wastewater |
| 07/13/2011 | CN101665300B Catalytic electrolysis coupling reactor used for treating organic wastewater |
| 07/13/2011 | CN101570382B Device for improving advanced nitrogen and phosphorus removal by step feed and method |
| 07/13/2011 | CN101560040B Method and device for processing pharmaceutical wastewater by pulse electrocoagulation-MBR |
| 07/13/2011 | CN101519265B Sewage treatment process and system |
| 07/13/2011 | CN101508505B Method for removing blue algae in water and reducing algae stench |
| 07/13/2011 | CN101263089B Water treatment apparatus and water treatment method |
| 07/12/2011 | US7976709 System and method for regeneration of a fluid |
| 07/12/2011 | CA2541275C Ultraviolet radiation water treatment system |
| 07/07/2011 | WO2011055133A3 Water purification apparatus and method |
| 07/07/2011 | WO2011025183A3 Integrated sewage reuse device |
| 07/07/2011 | US20110166378 Method and apparatus for refining biodiesel |
| 07/07/2011 | US20110163037 Filtration of a hydrocarbon from a fluid |
| 07/07/2011 | US20110163019 Waste water treatment apparatus |
| 07/07/2011 | DE102010054477A1 Vorrichtung und Verfahren zur Aufbereitung von Wasser Apparatus and method for treatment of water |
| 07/07/2011 | DE102008045610B4 Anordnung zur Gewinnung von Wasser Arrangement for the recovery of water |
| 07/06/2011 | CN201890829U Water collection and distribution apparatus |
| 07/06/2011 | CN201890828U Integrated domestic sewage treatment tank |
| 07/06/2011 | CN201890827U Landscape water nitrogen/phosphorus adsorption tank |
| 07/06/2011 | CN201890826U Vehicle-washing waste water recycling equipment |
| 07/06/2011 | CN201890825U Vertical oxygen-enriched eddy-current domestic sewage treatment device |
| 07/06/2011 | CN201890824U Advanced purification combination device for polluted surface water |
| 07/06/2011 | CN201890823U Drum type sewage treatment apparatus |
| 07/06/2011 | CN201890822U Recycling treatment device for highly saline organic wastewater |
| 07/06/2011 | CN201890821U Combined device for carrying out circular filtering, denitrification, dephosphorization and algae killing on polluted surface water |
| 07/06/2011 | CN201890820U Solid-liquid separation integrated equipment |
| 07/06/2011 | CN201890819U Heavy mental removing and anti-clogging raw water dispenser |
| 07/06/2011 | CN201890818U Mobile water purification device |
| 07/06/2011 | CN201890817U Multifunctional floatation absorption energy-saving filter |
| 07/06/2011 | CN201890816U Water purifier with multimedia ultrafiltration film and power-phos |
| 07/06/2011 | CN201890815U Condensate collection cabinet |
| 07/06/2011 | CN201890814U Activated water preparation equipment |
| 07/06/2011 | CN201888152U Pet water-drinking device with functions of water purification and automatic water supply |
| 07/06/2011 | CN102115764A Method for producing alcohol by taking anaerobic effluent as ingredient water |
| 07/06/2011 | CN102115298A Device and method for treating low C/N ratio nitrified wastewater |
| 07/06/2011 | CN102115297A Double-reflux denitrification membrane-bioreactor (MBR) process for treating dry acrylic fiber waste water |
| 07/06/2011 | CN102115296A Novel multi-cell denitrifying membrane bioreactor |
| 07/06/2011 | CN102115295A Electroplating waste water high-efficiency combined biochemical treatment technique |
| 07/06/2011 | CN102115294A Method for treating wastewater containing high-concentration fuel ethanol by utilizing wheat and other gains as main raw materials |
| 07/06/2011 | CN102115293A Waste water biochemical treatment method |
| 07/06/2011 | CN102115292A Sewage/waste water treating system |
| 07/06/2011 | CN102115291A Process for treating high-concentration organic wastewater difficult to degrade |
| 07/06/2011 | CN102115290A Method for separating pollutants from landfill leachate |
| 07/06/2011 | CN102115289A Device for separating pollutant in garbage leachate |
| 07/06/2011 | CN102115288A Method and equipment for recycling and treating vehicle cleaning and laundry wastewater |
| 07/06/2011 | CN102115287A Coking waste water deep treatment zero-emission process |
| 07/06/2011 | CN102115286A Treatment method for recycling coking wastewater and assembled treatment system |
| 07/06/2011 | CN102115285A Dimethyl formamide (DMF) waste water purifying process |
| 07/06/2011 | CN102115284A Method for treating manganese-containing wastewater generated during electrolytic manganese processing |
| 07/06/2011 | CN102115283A Method for treating wastewater from oil extraction |
| 07/06/2011 | CN102115282A Method for recycling copper smelting wastewater |
| 07/06/2011 | CN102115281A Method for pretreating wastewater generated in production of N-(Phosphonomethyl) iminodiaceticacid (PMIDA) |
| 07/06/2011 | CN102115280A Treatment method for removing heavy metals in chelating resin tower wastewater during brine refining |
| 07/06/2011 | CN102115279A Method for removing phosphorus in sodium hypochlorite wastewater in acetylene cleaning process |
| 07/06/2011 | CN102115278A Method and device for treating waste liquid from circuit board preparation |
| 07/06/2011 | CN102115277A Integral standard processing method of comprehensive electroplating wastewater |
| 07/06/2011 | CN102115276A Method for treating hexavalent chromium wastewater by utilizing blast furnace slag |
| 07/06/2011 | CN102115275A Method for treating methyl orange in azo dye wastewater by utilizing titaniferous blast furnace slag |
| 07/06/2011 | CN102115274A Method for treating high-concentration organic process wastewater generated in production of 2-chloro-6-fluorobenzaldehyde |
| 07/06/2011 | CN102115273A Glacial water treatment method |
| 07/06/2011 | CN102115272A Processing and reusing method and device for waste water of aluminium oxidation washing |
| 07/06/2011 | CN102115271A Method for treating high-concentration cyanide or nitrile-containing organic wastewater |
| 07/06/2011 | CN102115270A Method for processing waste acid generated in process of preparing acid from metal smelting fume |
| 07/06/2011 | CN102115269A Method for utilizing recycled water in sugar manufacturing industry |
| 07/06/2011 | CN102115268A Novel water purifier for split instant filtering water dispenser |
| 07/06/2011 | CN102115230A Reverse osmosis pure-water machine with back pressure compensation |
| 07/06/2011 | CN102115229A Water-saving reverse osmosis water purification machine |
| 07/06/2011 | CN102113821A Water device and control method thereof |
| 07/06/2011 | CN101597130B Processing method of organic wastewater and wastewater processing unit |
| 07/06/2011 | CN101560006B Method for jointly treating high-fluorine sewage by utilizing waste slag |
| 07/06/2011 | CN101481187B Method for processing phenolic resin phenolic wastewater |
| 07/06/2011 | CN101200340B Sewage water treatment system |
| 07/06/2011 | CN101200339B Sewage treatment method |
| 07/06/2011 | CN101132992B Method of wastewater treatment and wastewater treatment equipment |
| 07/05/2011 | CA2635663C Method, system and apparatus for concentrating solids from drilling slurry |
| 06/30/2011 | WO2011076152A1 Apparatus and method for purifying and sterilizing water using nano catalytic microelectrolysis |
| 06/30/2011 | US20110155665 Method and System for High Recovery Water Desalting |
| 06/30/2011 | DE102009059302A1 Kleinkläranlage mit photokatalytischem Kollektor und Hauswassersystem mit einer derartige Kleinkläranlage Domestic wastewater treatment plant with photocatalytic collector and domestic water system with such a small wastewater treatment plant |
| 06/30/2011 | DE102009059263A1 Device such as beverage making machine, laundry treatment appliance or oven, comprises a steam generator for producing steam from water and/or hot water producer, and a water connection to a water supply device |
| 06/30/2011 | DE102009055388A1 Wastewater treatment agent with oxidation effect for drainage area with limited or non-existing supply of oxygen, consists of nitrate, surfactants and/or hydrogen peroxide |
| 06/30/2011 | DE102009055387A1 Wastewater treatment agent with oxidative effect for drainage area with limited/non-existing supply of atmospheric oxygen, consists of inorganic nitrates, iron salts and/or aluminum chloride, polyaluminum chloride and/or aluminum nitrate |
| 06/30/2011 | DE102009055383A1 Wastewater treatment agent with oxidative effect, useful for treatment of wastewater in sewage areas with lack of atmospheric oxygen supply, comprises nitrates, anthraquinone or anthraquinone derivatives, and nonionic surfactants |
| 06/30/2011 | DE102009055381A1 Abwasserbehandlungsmittel zur schnellen Unterdrückung von Fäulnisbakterien im Abwasser und Verfahren Wastewater treatment means for rapid suppression of putrefactive bacteria in wastewater and process |
| 06/30/2011 | DE102009055379A1 Wastewater treatment agent for removing fat containing non-ionic surfactants, comprises additives that form solid suspension in the form of iron sulfide or insoluble hydroxide and/or prevents rotting of wastewater |
| 06/29/2011 | DE202011000499U1 Vorrichtung zur Beseitigung von Vinylchlorid aus Wasser Apparatus for removing vinyl chloride from water |
| 06/29/2011 | CN201883004U Extrusion water treatment device of integral refuse transfer station |
| 06/29/2011 | CN201883003U Device for purifying ecological compound sludge water body |