| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 08/08/2012 | CN102627378A Oil field alkali-surfactant-polymer flooding oil extraction wastewater treatment method |
| 08/08/2012 | CN102627377A Method and device for purifying seriously eutrophic river water |
| 08/08/2012 | CN102627376A Distributed sewage integrated artificial wetland treatment facility and method |
| 08/08/2012 | CN102627375A Integrated treatment method and integrated treatment device for polluted river and lake water |
| 08/08/2012 | CN102627374A Treatment process for high-concentration methanol and ammonia nitrogen wastewater produced in production process of quaternary ammonium salt |
| 08/08/2012 | CN102627373A Micro-polluted water resource pollution treatment method |
| 08/08/2012 | CN102627372A Method for treating vanadium pentoxide wastewater and circularly utilizing resources |
| 08/08/2012 | CN102627371A Method for ultraviolet-assisted Fenton-like oxidation and degradation of methanol wastewater with low concentration |
| 08/08/2012 | CN102627370A Microwave photocatalytic device for degrading wastewater and being capable of keeping high treatment efficient continuously |
| 08/08/2012 | CN102627369A Method for sterilization and algae killing by ultrasonic treatment of ballast water and system device |
| 08/08/2012 | CN102627368A Self-purification system of water storage container |
| 08/08/2012 | CN102627367A Method for advanced treatment of coking wastewater |
| 08/08/2012 | CN102627366A Method for treating vanadium pentoxide wastewater and circularly utilizing resources |
| 08/08/2012 | CN102627365A Method for processing waste water of yellow phosphorus production |
| 08/08/2012 | CN102627364A Process flow for recycling and treating reverse osmosis concentrated water |
| 08/08/2012 | CN102627363A Novel method for treating explosive wastewater through supercritical decomposition |
| 08/08/2012 | CN102627362A Process for recycling aluminum hydroxide from acid wastewater containing aluminum ions |
| 08/08/2012 | CN102627361A Method and device for removing phosphorous from glyphosate production wastewater |
| 08/08/2012 | CN102627360A Method for pretreatment on industrial wastewater by nascent state ferrous iron reduction |
| 08/08/2012 | CN102219331B Automatic control system of furfural waste water recycling apparatus |
| 08/08/2012 | CN102211838B Method for harmlessly treating livestock and poultry breeding waste water |
| 08/08/2012 | CN102173533B Efficient anaerobic ammonium oxidation sewage treatment method |
| 08/08/2012 | CN102173521B Method for treating high concentration industrial wastewater containing isopropanol |
| 08/08/2012 | CN102161547B Method for pretreating 2-dimethylamino-1,3-bis(sodium thiosulfate)propane production wastewater |
| 08/08/2012 | CN102145952B Method for treating fracturing waste fluid during petroleum exploration by performing microwave quick catalysis |
| 08/08/2012 | CN102086079B Domestic sewage zero emission treatment method and system |
| 08/08/2012 | CN102070258B Reverse osmosis system with compressed air blowing function |
| 08/08/2012 | CN102060412B Device and method for improving biological dephosphorizing and denitriding efficiency of low carbon source sewage |
| 08/08/2012 | CN102050531B Fluorine-containing wastewater treatment method |
| 08/08/2012 | CN102039368B Method for recovering isopropanol from chemical wastewater and preparing alcohol-based casting coating from isopropanol |
| 08/08/2012 | CN102020392B Dyeing reclaimed water recycling process and equipment |
| 08/08/2012 | CN101955299B High-efficiency waste water treatment system for nursery |
| 08/08/2012 | CN101935132B Mixed municipal sewage and fecal sewage A2/O-biomembrane nitrogen and phosphorus synchronous removing device and method thereof |
| 08/08/2012 | CN101905941B Treatment method of triethylamine-containing sewage |
| 08/08/2012 | CN101905939B Solar water heater pure-water energy-saving device |
| 08/08/2012 | CN101870537B Integrated baffling internal circulation fluidization sewage treatment device |
| 08/08/2012 | CN101863562B Method and device for treating polymer-containing sewage by using high-gradient agglomerated air floatation |
| 08/08/2012 | CN101862553B Coagulation reactor and sewage disposal system provided with same |
| 08/08/2012 | CN101717168B Method for treating wastewater in glycol production |
| 08/08/2012 | CN101712516B Device and method for deeply treating mine water for underground coal mine |
| 08/02/2012 | WO2012100954A1 Method for treating process water from a plant for the hydrothermal carbonisation of renewable raw materials and organic residues |
| 08/02/2012 | WO2012100507A1 Treatment method for recycling wastewater from car washing and clothes washing and equipment thereof |
| 08/02/2012 | WO2012078677A3 Continuous processing methods for biological products |
| 08/02/2012 | US20120193287 Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes |
| 08/02/2012 | CA2825462A1 Method for the treatment of process water from a plant for the hydrothermal carbonization of renewable raw materials and organic residual materials |
| 08/01/2012 | CN202358993U Efficient urban sewage treatment system low in sludge production rate |
| 08/01/2012 | CN202358992U Sewage treatment device |
| 08/01/2012 | CN202358991U Denitrification and dephosphorization device |
| 08/01/2012 | CN202358990U Sewage treatment system in sewage source |
| 08/01/2012 | CN202358989U Combined integrated circulating water treatment device for aquaculture |
| 08/01/2012 | CN202358988U Water pipe joint with magnetization, filtering and oxygenation jet flow functions and application system of water pipe joint |
| 08/01/2012 | CN202358987U Water purifier with automatic barreled water filling function |
| 08/01/2012 | CN202358986U Solar multi-level spraying evaporation sea water desalting plant |
| 08/01/2012 | CN202358985U System for recycling sewage in printing room |
| 08/01/2012 | CN202358984U Ash sluicing water treatment and cyclic utilization system for dry pulverized coal gasification device |
| 08/01/2012 | CN202358983U Biological sewage treatment device |
| 08/01/2012 | CN202358982U System and pretreatment system for electrochemical treatment of PVC (Polyvinyl Chloride) centrifugal mother liquor |
| 08/01/2012 | CN202358981U Two-stage reverse osmosis system in water treatment process |
| 08/01/2012 | CN202358980U System for treating coal liquefied cyanogens-contained sewage |
| 08/01/2012 | CN202358979U Integrated materializing water purifying reactor |
| 08/01/2012 | CN202358978U Pharmaceutical workshop sewage treatment system |
| 08/01/2012 | CN202358977U Device for demulsifying and un-oiling produced water by binary compound flooding |
| 08/01/2012 | CN202358976U Glass wastewater treatment equipment |
| 08/01/2012 | CN202358975U High-efficiency purifier |
| 08/01/2012 | CN202358974U Clean water collecting and floating slag separating device of multifunctional modularized water purifying system |
| 08/01/2012 | CN202358973U Recyclable water circulation treatment system |
| 08/01/2012 | CN202358972U Nanofiltration drinking water purifying equipment |
| 08/01/2012 | CN202358971U Sewage recycling system for main wash trough for wool washing |
| 08/01/2012 | CN202358970U Water filtration purifier |
| 08/01/2012 | CN202358969U Wind power generation reverse osmosis desalination device |
| 08/01/2012 | CN202358944U All-in-one machine for processing oil-containing sewage |
| 08/01/2012 | CN202357568U Printing fountain solution full-automatic formula filtering system |
| 08/01/2012 | CN202355881U Simple water purifier |
| 08/01/2012 | CN102619272A Comprehensive control method for town water pollution in three gorges reservoir area |
| 08/01/2012 | CN102619261A Sewage recovering, processing and reusing system |
| 08/01/2012 | CN102618873A Ammonia washing water circulation system and method of PCB (Printed Circuit Board) etching line |
| 08/01/2012 | CN102617005A Method for treating waste water drained during dichloroethane production |
| 08/01/2012 | CN102617004A Sewage treatment system for developing and applying carbon source by using authigenic sludge |
| 08/01/2012 | CN102617003A Biofilter combination system for upgrading and reconstructing sewage plant |
| 08/01/2012 | CN102617002A Method for treating dispersed domestic sewage |
| 08/01/2012 | CN102617001A Livestock sewage aerobic-anaerobic-aerobic immobilized microorganism biochemical device |
| 08/01/2012 | CN102617000A Novel combined process for treating coking wastewater |
| 08/01/2012 | CN102616999A Sewage purifying and recycling device |
| 08/01/2012 | CN102616998A Device for treating wastewater produced in production process of alkaline peroxide mechanical pulp (APMP) |
| 08/01/2012 | CN102616997A Method for treating wastewater generated in production process of iron oxide pigment |
| 08/01/2012 | CN102616996A Method and special system for treating mixed wastewater with high salt content |
| 08/01/2012 | CN102616995A Ozone catalytic oxidation and biochemical compound treatment device of reverse osmosis concentrated water and application method of ozone catalytic oxidation and biochemical compound treatment device |
| 08/01/2012 | CN102616994A Sludge-first and then-water sewage (wastewater) quick treatment process |
| 08/01/2012 | CN102616993A Residual sludge zero discharge denitrification and phosphorous removal process and device |
| 08/01/2012 | CN102616992A Method for removing antibiotics resistance genes in waste water |
| 08/01/2012 | CN102616991A Method and equipment for sewage treatment by means of biochemical pressurized dissolved air flotation |
| 08/01/2012 | CN102616990A Method for processing algae-enriching water and application system thereof |
| 08/01/2012 | CN102616989A Novel rural domestic sewage treatment system control device and application thereof |
| 08/01/2012 | CN102616988A Wastewater processing system during production of HIV (Human Immunodeficiency Virus) prevention medicament |
| 08/01/2012 | CN102616987A System and method for treatment and recycling of coking phenol-cyanogen wastewater |
| 08/01/2012 | CN102616986A Dynamic membrane automatic water flow-out solid-liquid separation method applicable to domestic sewage treatment |
| 08/01/2012 | CN102616985A Ecological type manual fast-permeability sewage processing system |
| 08/01/2012 | CN102616984A Mixed industrial waste water treatment method |
| 08/01/2012 | CN102616983A Water purifying and circulating system for washing hands |
| 08/01/2012 | CN102616982A High-efficiency and low-consumption standard-reaching treatment method for wastewater from scale piggery raising |