| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/20/2013 | CN102583833B Antibiotic wastewater deep treatment device and treatment method |
| 11/20/2013 | CN102515405B Geothermal water purification device and method thereof for treating geothermal water |
| 11/20/2013 | CN102459097B Colloid decomposition method and apparatus for electrochemically resolving emulsions |
| 11/20/2013 | CN102442748B Deep treatment method of naphthenic acid wastewater |
| 11/20/2013 | CN102442736B Nickel ion separation and recovery device for treating wastewater on surface of aluminium material |
| 11/20/2013 | CN102418332B Collecting and treating integrated device for wide-area water surface leakage crude oil |
| 11/20/2013 | CN102295375B Recovery and treatment process of methyl chloride waste water by coagulative precipitation-heating stripping technology |
| 11/20/2013 | CN102249438B Method and equipment for using aluminum-containing wastewater as circulating cooling water |
| 11/20/2013 | CN102211826B Membrane separation and yeast reuse technique for matured mash of molasses alcohol |
| 11/20/2013 | CN101905943B Method for pre-treating low carbon-nitrogen ratio sewage by using primary settlement tank |
| 11/19/2013 | US8585892 System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system |
| 11/19/2013 | US8585869 Multi-stage wastewater treatment system |
| 11/14/2013 | WO2013169091A1 Zero discharge treatment system of palm oil mill effluent (pome) |
| 11/14/2013 | WO2013167358A1 Device and method for purifying water with flotation |
| 11/14/2013 | US20130299424 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance |
| 11/14/2013 | DE102012207731A1 Vorrichtung und Verfahren zur Vorreinigung von Wasser,insbesondere Meerwasser Apparatus and method for pre-cleaning of water, especially sea water |
| 11/13/2013 | CN203284296U Micro-power domestic sewage treatment device |
| 11/13/2013 | CN203284295U Novel sewage treatment system |
| 11/13/2013 | CN203284294U System for removing toxic substances in waste water |
| 11/13/2013 | CN203284293U Novel PVC mother solution water treating equipment |
| 11/13/2013 | CN203284292U Tap water purification system |
| 11/13/2013 | CN203284291U Land infiltration system adopting minimally invasive excavation for treating rural domestic sewage |
| 11/13/2013 | CN203284290U Domestic sewage purification tank treatment system |
| 11/13/2013 | CN203284289U Combined electrode horizontal subsurface flow wet land device for efficient nitrogen removing of domestic sewage |
| 11/13/2013 | CN203284288U Acid mine drainage treatment system |
| 11/13/2013 | CN203284287U Constructed rapid infiltration system for urban sewage treatment |
| 11/13/2013 | CN203284286U Sewage recycling and zero-emission device for coal chemical industry |
| 11/13/2013 | CN203284285U Kitchen water treatment device |
| 11/13/2013 | CN203284284U Cooling emulsion liquid purifying and regenerating integrated device for mechanically processing |
| 11/13/2013 | CN203284283U Reverse osmosis water purifier |
| 11/13/2013 | CN203284282U Composite ultrafiltration direct drinking water machine |
| 11/13/2013 | CN203284281U Reverse osmosis water purifier |
| 11/13/2013 | CN203284280U Ultrapure water device with water-yielding resistivity being greater than 18M omega.cm |
| 11/13/2013 | CN203284279U Self-cleaning electric adsorption water purification device |
| 11/13/2013 | CN203284278U Structure of plastic shell purifier |
| 11/13/2013 | CN203284277U Modularized water purifier |
| 11/13/2013 | CN203284276U Wastewater treatment equipment for recovery process of noble metals such as platinum and palladium |
| 11/13/2013 | CN203284275U Pretreatment system for water treatment |
| 11/13/2013 | CN203284274U Device for efficient degradation of organic dye wastewater by illumination |
| 11/13/2013 | CN203284273U Filter provided with monitoring system and injection system |
| 11/13/2013 | CN203284272U United multi-medium water purifier |
| 11/13/2013 | CN203284271U Miniaturized water treatment equipment adopting lime process |
| 11/13/2013 | CN203284270U Municipal sewage treatment system |
| 11/13/2013 | CN203284269U Hand-pressing-type wild water purifier |
| 11/13/2013 | CN203284268U Ultrafiltration membrane water purifier |
| 11/13/2013 | CN203284267U Bottle-washing waste water recovery system |
| 11/13/2013 | CN203284266U Water filter apparatus |
| 11/13/2013 | CN203284265U Purifying device of field water |
| 11/13/2013 | CN203284264U Purifying device of field water |
| 11/13/2013 | CN203284263U High-molecular filtering apparatus |
| 11/13/2013 | CN203284262U Filter unit |
| 11/13/2013 | CN203284261U Self-controlled sea-water desalting vehicle |
| 11/13/2013 | CN203284260U Novel oil-water separation device |
| 11/13/2013 | CN203284259U Reclaimed water reuse device |
| 11/13/2013 | CN203280241U Electrothermal quick-heating purifying intelligent water dispenser |
| 11/13/2013 | CN103391898A Method for recycling deoiled water using counterflow falling-film evaporators |
| 11/13/2013 | CN103387320A Artificial wetland system |
| 11/13/2013 | CN103387319A Method for treating waste water by using mechanical-compression evaporating crystallizer system |
| 11/13/2013 | CN103387318A Treating pool for leather waste water |
| 11/13/2013 | CN103387317A Integrated two-stage membrane bio-reactor (MBR) |
| 11/13/2013 | CN103387316A Hybrid two-stage membrane bio-reactor (MBR) |
| 11/13/2013 | CN103387315A Process for treating sewage by virtue of combined technology of pretreatment and two stages of aeration |
| 11/13/2013 | CN103387314A Sewage allocation system |
| 11/13/2013 | CN103387313A Method for treating cellulosic ethanol waste water |
| 11/13/2013 | CN103387312A Multilevel biological contact oxidation reactor sewage treatment device |
| 11/13/2013 | CN103387311A Sewage treatment unit and method thereof |
| 11/13/2013 | CN103387310A Leather wastewater treating method |
| 11/13/2013 | CN103387309A Method and apparatus for controlling water body pollution in river ecosystem |
| 11/13/2013 | CN103387308A Multi-effect membrane distillation-multistage flash evaporation seawater desalination system |
| 11/13/2013 | CN103387307A Method for processing organic waste liquor in electronic manufacturing industry |
| 11/13/2013 | CN103387306A Garbage leachate processing system and processing technology thereof |
| 11/13/2013 | CN103387305A Sound wave electrooxidation process for waste water treatment |
| 11/13/2013 | CN103387304A Capacity expanding method of photocatalysis waste water degrading reactor with lamp zone anti-water bursting maintenance |
| 11/13/2013 | CN103387303A Simple treatment and cyclic utilization method for electrophoresis on-line rinsing water |
| 11/13/2013 | CN103387302A Cadmium-bearing wastewater treatment system |
| 11/13/2013 | CN103387301A Deep purification method for urban sewage |
| 11/13/2013 | CN103387300A Recovery method using membranes for terephthalic acid and sodium hydroxide from printing and dyeing alkali-reduced waste water |
| 11/13/2013 | CN103387299A Treatment method of aluminum anodization waste water |
| 11/13/2013 | CN103387298A Recycling apparatus and process for metal ions in terephthalic acid mother liquor |
| 11/13/2013 | CN103387297A Hydrofluoric acid wastewater reuse technology |
| 11/13/2013 | CN103387296A Method for removing copper ions from chemical plating wastewater |
| 11/13/2013 | CN103387295A Method for removing emulsified oil in degreasing waste liquid |
| 11/13/2013 | CN103387294A Purifier for preventing water quality from being unclean |
| 11/13/2013 | CN103387293A Reusing method for reclaimed water of leather wastewater |
| 11/13/2013 | CN103386305A Preparation method, application process and application device of catalyst for treatment of hydrazine and ammonia-nitrogen wastewater |
| 11/13/2013 | CN103385505A Longshang Huaniu apple juice and preparation method thereof |
| 11/13/2013 | CN103130351B Sewage oil remover |
| 11/13/2013 | CN103112989B Treatment device and treatment method for dyeing and printing auxiliary wastewater |
| 11/13/2013 | CN103011518B Salt discharge treatment system for salted reservoir, building method and treatment method for salted water |
| 11/13/2013 | CN102964019B Energy-saving evaporation treatment process of high-salinity wastewater |
| 11/13/2013 | CN102849874B Sterilizing filtering element and water purifying device utilizing same |
| 11/13/2013 | CN102774998B High-salinity high-chromaticity printing and dyeing wastewater recovery process and equipment thereof |
| 11/13/2013 | CN102674625B Treatment method for greenhouse turtle breeding wastewater |
| 11/13/2013 | CN102674610B Multifunctional cosmetic instrument |
| 11/13/2013 | CN102674589B Treatment method of N-phosphonomethyl aminodiacetic acid wastewater |
| 11/13/2013 | CN102661602B Process capable of realizing zero discharge of wastewater of industrial boiler |
| 11/13/2013 | CN102642947B Supercritical water oxidization treatment system for high-salinity organic waste water |
| 11/13/2013 | CN102616968B Waste alkali solution recovery method |
| 11/13/2013 | CN102603093B Device for water treatment plant |
| 11/13/2013 | CN102583813B Recovery method for terephthalic acid in alkali deweighting wastewater as well as production method and application of terephthalic acid metal salt whisker |