| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 06/13/2012 | CN102491582A Comprehensive treatment method for high-concentration aldehyde acrylic wastewater |
| 06/13/2012 | CN102491581A Advanced treatment method for production waste water of acrylic acid and ester device |
| 06/13/2012 | CN102491580A Medical stone and tourmaline mineralization water dispenser |
| 06/13/2012 | CN102491579A Treatment method for waste water of oil and gas storage and gas station |
| 06/13/2012 | CN102491578A Method for stripping emptying tower top sewage by utilizing coke tower waste heat |
| 06/13/2012 | CN102491577A Multi-stage series membrane distillation strong brine desalting method and device |
| 06/13/2012 | CN102491576A Method for treating wastewater containing ammonia |
| 06/13/2012 | CN102491575A Method for performing comprehensive treatment by utilizing waste water from production of ternary monomer |
| 06/13/2012 | CN102491574A Advanced treatment technology for comprehensive wastewater of iron and steel enterprises |
| 06/13/2012 | CN102491573A Method for enhancing degradability of antibiotics and hormones in livestock cultivating waste water |
| 06/13/2012 | CN102491572A Device for preparing injection water by using reverse osmosis ultrafiltration combined membrane method |
| 06/13/2012 | CN102491571A Scenic water recycling device and treatment method |
| 06/13/2012 | CN102491570A Method of treating municipal sewage by using high energy electron beams |
| 06/13/2012 | CN102491569A Marine ballast water treatment system |
| 06/13/2012 | CN102491568A Method for treating wastewater of electrolytic zinc rinsing technology |
| 06/13/2012 | CN102491567A Recycling method for industrial waste water |
| 06/13/2012 | CN102491566A Multiphase catalytic oxidation sewage treatment method |
| 06/13/2012 | CN102491565A Method for recovering waste water from sodium dichloroisocyanurate production |
| 06/13/2012 | CN102491564A Comprehensive recycling technology for mine water with high suspended matter content and high mineralization degree |
| 06/13/2012 | CN102491563A Three-stage catalysis ozone oxidation water purifying device |
| 06/13/2012 | CN102491562A High-ammonia-nitrogen waste water resource recovery technology |
| 06/13/2012 | CN102491561A Method and device for treating process waste water produced by fatty acid production |
| 06/13/2012 | CN102491560A Method and system for secondary bio-chemical outlet water treatment and recycling of vitamin C |
| 06/13/2012 | CN102491559A Treatment method for urea-method hydrazine hydrate recovered saline water |
| 06/13/2012 | CN102491558A Landscape water treatment process and device |
| 06/13/2012 | CN102491557A Underground mine water treatment method |
| 06/13/2012 | CN102491556A Coal liquefaction cyanide-containing sewage treatment system and treatment method |
| 06/13/2012 | CN102491555A Method for removing fluorine in acid uranium process wastewater |
| 06/13/2012 | CN102491554A Method for treating alkali wastewater containing uranium |
| 06/13/2012 | CN102491553A Oilfield produced water treatment system and oilfield produced water treatment method |
| 06/13/2012 | CN102491552A Method for low temperature rapid removal of COD and ammonia nitrogen material in wastewater |
| 06/13/2012 | CN102491551A Treatment method for hydrogen peroxide-containing organic wastewater |
| 06/13/2012 | CN102491550A Excrement treatment equipment |
| 06/13/2012 | CN102491549A Portable vehicle-mounted water purifier |
| 06/13/2012 | CN102491548A Ship ballast water treatment system with molecular sieve for preparing nitrogen |
| 06/13/2012 | CN102491504A Polyethylene biological filing material and composite fluidized bed bioreactor |
| 06/13/2012 | CN102491460A Soluble metal salt recovery and wastewater purification device and method thereof |
| 06/13/2012 | CN102491402A Method for producing refined copper oxide by utilizing acidic waste etching solution |
| 06/13/2012 | CN102010102B Method for treating electroplating wastewater |
| 06/13/2012 | CN101973671B Method for realizing SBR nitrosation-denitrosation at low temperature by optimally controlling aeration time |
| 06/13/2012 | CN101948191B System for treating ship ballast water |
| 06/13/2012 | CN101928081B Biogas residue and biogas liquid treatment machine |
| 06/13/2012 | CN101913734B A/A-MBR intensified combined device for denitriding and dephosphorizing and process thereof |
| 06/13/2012 | CN101805074B Technology for treating oil extraction-generated waste water |
| 06/13/2012 | CN101786748B Efficient inactivation and energy-saving ship ballast water process method and system |
| 06/13/2012 | CN101734823B Seawater desalination process with low cost |
| 06/13/2012 | CN101717169B In-situ denitrification method of percolate of domestic refuse landfill |
| 06/13/2012 | CN101712514B Multistage filter core |
| 06/13/2012 | CN101456648B Polyester production waste water treatment method |
| 06/07/2012 | WO2012071672A1 Treatment of produced water |
| 06/07/2012 | WO2011139089A9 Energy-saving natural downflow type of clean-water and sewage/wastewater treatment device |
| 06/07/2012 | US20120138541 Systems, Compositions, and Methods For Dewatering Mine Tailings |
| 06/07/2012 | US20120138526 Product for removing pollutants from a fluid, and method for producing same |
| 06/07/2012 | CA2819713A1 Treatment of produced water |
| 06/06/2012 | CN202265487U 一体化高效节能污水处理器 Integrated energy efficient sewage processor |
| 06/06/2012 | CN202265486U 一种跌水曝气-快速渗滤组合系统 One kind or water aeration - a combination of rapid infiltration system |
| 06/06/2012 | CN202265485U 一种多点共投的废水混凝沉淀反应装置 A multi-point co-administration of wastewater coagulation precipitation reactor |
| 06/06/2012 | CN202265484U 羽绒废水回用系统 Down wastewater reuse systems |
| 06/06/2012 | CN202265483U 生物生态组合污水处理系统 Combination of biological and ecological wastewater treatment system |
| 06/06/2012 | CN202265482U 牛奶生产废水处理设备 Milk production and wastewater treatment equipment |
| 06/06/2012 | CN202265481U 一种hmbr污水处理一体化装置 One kind hmbr integrated wastewater treatment unit |
| 06/06/2012 | CN202265480U 一种畜禽废水处理装置 One kind of livestock wastewater treatment plant |
| 06/06/2012 | CN202265479U 通过生物过滤对粪便污水进行处理的系统 Through biological filtration for fecal sewage treatment system |
| 06/06/2012 | CN202265478U 冶炼废水的后续少量重金属处理反应器 Follow-up small amounts of heavy metals smelting wastewater treatment reactor |
| 06/06/2012 | CN202265477U 电化学氧化协同紫外线和超声波技术的油田污水灭菌装置 The electrochemical oxidation of collaborative ultraviolet and ultrasonic technology oilfield wastewater sterilization device |
| 06/06/2012 | CN202265476U Ultraviolet and ultrasonic-wave combined treatment reactor |
| 06/06/2012 | CN202265475U 过滤超声反应器 Filter ultrasonic reactor |
| 06/06/2012 | CN202265474U 过滤超声和电解超声船舶压载水处理设备 Filter ultrasound and ultrasound electrolysis ship ballast water treatment equipment |
| 06/06/2012 | CN202265473U Ballast water treatment equipment integrating functions of filtration, ultraviolet/ultrasonic reaction and nitrogen-filling deaeration |
| 06/06/2012 | CN202265472U 入河口污水回用深度处理装置 Deep into the estuary wastewater reuse treatment device |
| 06/06/2012 | CN202265471U 一种连续生成洗涤杀菌用水的反应器 A continuous generation reactor wash water sterilization |
| 06/06/2012 | CN202265470U 一种应用于多种重金属或多种形态重金属废水处理的装置 Applied to a variety of heavy metals or various forms of heavy metals in waste water treatment unit |
| 06/06/2012 | CN202265469U 一种纯水处理系统 One kind of water treatment systems |
| 06/06/2012 | CN202265468U 重金属废水深度处理零排放回收设备 Zero emissions of heavy metals in wastewater treatment recycling equipment |
| 06/06/2012 | CN202265467U 一种重金属污水的处理装置 One kind of heavy metals in sewage treatment device |
| 06/06/2012 | CN202265466U 一种含氟新型污水处理池 A fluorine-containing new sewage treatment pond |
| 06/06/2012 | CN202265465U 一种铬鞣废水的资源化处理系统 Chromium tanning wastewater treatment system resources |
| 06/06/2012 | CN202265464U 一种多功能净水装置 A multifunctional water purification devices |
| 06/06/2012 | CN202265463U 自带排水回用系统的油脂分离器 Drainage reuse system comes with grease separators |
| 06/06/2012 | CN202265462U 一种采用柱塞泵的能量回收淡化系统 One kind of energy recovery using piston pump desalination system |
| 06/06/2012 | CN202265461U 一种具有组合式高压泵的淡化系统 Having a combined high-pressure pump desalination system |
| 06/06/2012 | CN202264891U 移动式淡化直饮水生产系统 Mobile desalination drinking water production system |
| 06/06/2012 | CN102485672A Method for processing organic wastewater with microbial activator |
| 06/06/2012 | CN102485671A Method for sewage treatment during refined cotton production and odor control in sewage treatment |
| 06/06/2012 | CN102485670A Processing method of citric acid production wastewater |
| 06/06/2012 | CN102485669A Water treatment method |
| 06/06/2012 | CN102485668A Wastewater pretreatment method and application thereof |
| 06/06/2012 | CN102485667A Coking wastewater processing technology |
| 06/06/2012 | CN102485666A Technology of in situ harmless treatment on waste drilling mud |
| 06/06/2012 | CN102485665A Water purifier with novel head supporting plate |
| 06/06/2012 | CN102485662A Wastewater processing substrate, water body processing apparatus and wastewater processing method, and application thereof |
| 06/06/2012 | CN102153215B Water purification system and water purification method for inclined tube floating sedimentation tank |
| 06/06/2012 | CN102101743B Device and method for biological intensified shortcut biological nitrogen removal of municipal sewage |
| 06/06/2012 | CN102092905B Process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester |
| 06/06/2012 | CN102060408B Wastewater evaporating process and device system |
| 06/06/2012 | CN102040304B Method for recycling waste liquor of zinc plating using potassium salt in laboratory |
| 06/06/2012 | CN101973651B Membrane treatment method for treating trace antimony in drinking water |
| 06/06/2012 | CN101935124B Direct drinking fountain capable of sterilizing a reverse osmosis membrane |
| 06/06/2012 | CN101891316B Process for treating nitrogen-containing wastewater by ion exchange and reclaiming ammonium nitrate |
| 06/06/2012 | CN101863577B Filter back washing water recovery processing method and membrane filtration system thereof |