| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 10/14/2009 | CN101555085A Method for disposing urban sewage by solar ecological technology |
| 10/14/2009 | CN101555084A Treatment method for rural sewage based on three-grid septic tank |
| 10/14/2009 | CN101555083A Baffling contact precipitation integral anaerobic reactor |
| 10/14/2009 | CN101555082A Wastewater treatment method and device combining electrochemical degradation and photocatalysis oxidation technologies |
| 10/14/2009 | CN101555081A Technology for processing and recycling electroplating wastewater containing cyanide and system thereof |
| 10/14/2009 | CN101555080A Treatment method for waste water containing dimethyl formamide and treatment device |
| 10/14/2009 | CN101555079A Method for treating hexavalent chrome in wastewater by coal gangue |
| 10/14/2009 | CN101555078A Method for removing fluorine by using nano-activity zirconium dioxide |
| 10/14/2009 | CN101555077A Method for treating highly concentrated ammonian wastewater with poor biodegradability by using a multiple-technique combination |
| 10/14/2009 | CN101555076A Ammonian remover used for treating highly concentrated ammonian wastewater and treatment method |
| 10/14/2009 | CN101555053A Compound coagulant used for treating rare-earth highly concentrated ammonian wastewater to recover industry ammonium chloride and treatment method |
| 10/14/2009 | CN101554994A Method for recovering iodine in production waste liquid of X-CT series contrast media |
| 10/14/2009 | CN101554223A Method for producing caramel color from molasses alcohol waste liquor |
| 10/14/2009 | CN100548910C Method for reducing Fe(III)EDTA in solution and uses thereof |
| 10/14/2009 | CN100548909C Novel method and equipment for quality-preservation treatment of sugar plant circulation cooling water |
| 10/14/2009 | CN100548908C Method of treating persistent high concentrated organic wastewater |
| 10/14/2009 | CN100548907C Ternary composite drive extraction sewage gas-floatation silicon-removing suspension-reducing integrated treatment technique |
| 10/14/2009 | CN100548906C Method for removing ammonia and nitrogen from coking wastewater |
| 10/14/2009 | CN100548898C Changeable lamp assembly for water treatment system |
| 10/14/2009 | CN100548429C Filter |
| 10/14/2009 | CN100548427C Method of separating and reclaiming fatty acid in water body by metal chelating resin sorbent |
| 10/08/2009 | WO2009123751A2 Low energy system and method of desalinating seawater |
| 10/08/2009 | WO2009123749A2 System and method of water treatment |
| 10/08/2009 | WO2009121599A1 Method for the neutralization of acids or acid mixtures from the photovoltaic industry |
| 10/08/2009 | WO2009121597A1 System and method for treatment of drinking water |
| 10/08/2009 | WO2009121093A1 Waste water treatment |
| 10/08/2009 | US20090250407 System and method of water treatment |
| 10/08/2009 | US20090250404 Decontaminating fluids and methods of use thereof |
| 10/08/2009 | US20090250396 Drainage water-treating method and drainage water-treating apparatus |
| 10/08/2009 | US20090250386 Decentralized source separation sewage system |
| 10/08/2009 | DE102009016038A1 Anlage und Verfahren zur Aufbereitung von Trinkwasser System and method for treatment of drinking water |
| 10/08/2009 | CA2720348A1 Catalytic wet oxidation systems and methods |
| 10/07/2009 | CN201321417Y Multi-level biochemical domestic sewage treatment device |
| 10/07/2009 | CN201321416Y Combined equipment for treating organic wastewater with high salinity and high concentration |
| 10/07/2009 | CN201321415Y Water purifier |
| 10/07/2009 | CN201321414Y System for preparing copper oxide by recovering circuit board sulfuric acid oxydol system microetching waste liquor |
| 10/07/2009 | CN201321413Y Integrative water purifier |
| 10/07/2009 | CN201321412Y Water purifier with water intakes for three types of water quality |
| 10/07/2009 | CN201321411Y Water purifier for detecting three types of water quality |
| 10/07/2009 | CN101551652A Remote surveillance control system |
| 10/07/2009 | CN101549940A Technique of treating textile dyeing waste water |
| 10/07/2009 | CN101549939A Leather making integrated waste water treatment method |
| 10/07/2009 | CN101549938A Method for treating waste water containing high concentration of organosilicon |
| 10/07/2009 | CN101549937A Water quality in-situ purification method in river estuary |
| 10/07/2009 | CN101549936A A method using white-rot fungus and carrier to process persistent wastewater |
| 10/07/2009 | CN101549935A Multi-stage vertical cyclic process and equipment of sewage water intensification denitrification |
| 10/07/2009 | CN101549934A Electroplating waster water disposing and recycling integrated device and a disposing method thereof |
| 10/07/2009 | CN101549933A Rural domestic sewage disposal plant |
| 10/07/2009 | CN101549932A Integrated production method of organic sewage/waste residue treatment, microalgae culturing and oil refining |
| 10/07/2009 | CN101549931A Process for treating drinking water |
| 10/07/2009 | CN101549930A System and method for processing high-concentration printing and dyeing wastewater |
| 10/07/2009 | CN101549929A Method for distilling absorption type negative-pressure thermal cycle coking wastewater |
| 10/07/2009 | CN101549928A Ultrasonic ultraviolet algea-allelopathy sterilizing unit |
| 10/07/2009 | CN101549927A System for purifying and treating water quality |
| 10/07/2009 | CN101549926A Rare earth extraction saponification waste-water cyclic utilization method |
| 10/07/2009 | CN101549925A Method for electrolyzing and recovering hexavalent chrome in chromium-electroplating waste water |
| 10/07/2009 | CN101549924A Three-stage type electroplating waste water treatment method |
| 10/07/2009 | CN101549923A Neutralizer for treating oily waste water by chemical neutralization, method and system |
| 10/07/2009 | CN101549922A Emergency treatment method of phenol-polluted river |
| 10/07/2009 | CN101549921A Method for treating high-concentration phosphorus-contained wastewater |
| 10/07/2009 | CN101549920A Method for recovering nickel salts in nickel-electroplating waste water |
| 10/07/2009 | CN101549919A Method for treating electroplating integrated waste water |
| 10/07/2009 | CN101549918A Method for recovering zinc salts in chloride zinc-plating waste water |
| 10/07/2009 | CN101549917A Method for recovering cupric salts in electroplating acid copper waste water |
| 10/07/2009 | CN101549916A Method for treating electroplating cyanide waste water |
| 10/07/2009 | CN101549915A High-efficiency purification apparatus of mixed water |
| 10/07/2009 | CN101549914A Mud collecting technics without scrapping, mud collecting apparatus used in the technics and floatation tank |
| 10/07/2009 | CN101549913A Process and system for recovering reduction scribing waste water |
| 10/07/2009 | CN101549912A Mercerized waste alkali recovery process and system thereof |
| 10/07/2009 | CN101549898A Resource recycling technique of low-concentration formaldehyde wastewater and formaldehyde tail gas |
| 10/07/2009 | CN101549875A Process for purifying and recovering mercerized waste alkali and system thereof |
| 10/07/2009 | CN101548655A Ecological closed cycle water fish-cultivating method |
| 10/07/2009 | CN100546927C Processing technique for oil-contaminated water |
| 10/07/2009 | CN100546926C Chlopyrifos pesticides waste water treatment process |
| 10/06/2009 | US7597812 Methods and systems for converting waste into energy |
| 10/06/2009 | US7597808 Apparatus and method for treating wastewater containing nitrogen-containing dyes |
| 10/06/2009 | US7597801 Fluids fluxion method and plant for wastewater treatment |
| 10/01/2009 | WO2009119961A1 System for controlling advanced wastewater treatment apparatus with two-stage reactor |
| 10/01/2009 | WO2009119351A1 Method for purifying process water |
| 10/01/2009 | WO2009119350A1 Method for purifying process water |
| 10/01/2009 | US20090246108 Method For Removing Ammonia From Fluid Streams |
| 09/30/2009 | EP2105413A1 Process for treatment of organic contaminated water |
| 09/30/2009 | EP2104650A2 Method for the floatation-clarification of difficult water and facility for implementing same |
| 09/30/2009 | EP2104546A1 Filtering device and filter holder for a water dispensing device and water dispensing device with at least one filtering device and at least one filter holder |
| 09/30/2009 | CN201317719Y Integrative combined device for regeneration of papermaking wastewater |
| 09/30/2009 | CN201317718Y Sewage treatment equipment provided with anti-siphon device |
| 09/30/2009 | CN201317717Y Efficient protein piston separation oxygen increasing machine with sterilization, disinfection, physiotherapy and health care functions |
| 09/30/2009 | CN201317716Y Industrial sewage zero-discharging electronic-grade recycling integrating device |
| 09/30/2009 | CN201317715Y Kitchen water purifier |
| 09/30/2009 | CN201317714Y Up-flow type pipe cylinder shape multifunctional healthy drinking fountain |
| 09/30/2009 | CN201317713Y Drinking water purifying device |
| 09/30/2009 | CN201317712Y Water activator |
| 09/30/2009 | CN201317711Y Water purification equipment capable of mineralizing and activating drinking purified water |
| 09/30/2009 | CN101544453A Dephosphorization and denitrification, mud decrement and phosphorus recovery integrated sewage treatment device and method thereof |
| 09/30/2009 | CN101544452A Composite anaerobic-aerobic process for treating waste paper making wastewater |
| 09/30/2009 | CN101544451A Method for treating town sewage |
| 09/30/2009 | CN101544450A Method for treating and recycling waste paper making wastewater |
| 09/30/2009 | CN101544449A Application of carbon-fiber biofilm carrier in wastewater treatment |
| 09/30/2009 | CN101544448A Method for reusing municipal wastewater for circulating-cooling water and power-plant boiler feedwater |
| 09/30/2009 | CN101544447A Technique for purifying organic sewage through bio-precipitation and purification method |