| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/09/2009 | CN101597122A Method for advanced treatment and recycling of petroleum and petrochemical wastewater |
| 12/09/2009 | CN101597121A Distributed domestic sewage treatment reactor and treatment method thereof |
| 12/09/2009 | CN101597120A Micro-aerated biological filter |
| 12/09/2009 | CN101597118A Explosion pulping wastewater treatment technology |
| 12/09/2009 | CN101597107A Application of chervil lankspur herb in treating livestock breeding wastewater |
| 12/09/2009 | CN101597106A Intensified culture method for activated sludge in waste water processing technology of silicon solar cell manufacturing industry |
| 12/09/2009 | CN101597105A Preparation method for magnetic carrier in processing technique of sewage biological fluidized bed |
| 12/09/2009 | CN101595793A Culturing method of arundo donax linn in lake-estuary site |
| 12/09/2009 | CN100567186C Technique for processing garbage leachate |
| 12/09/2009 | CN100567185C Method for processing old refuse filter liquor by employing mineralizing sludge |
| 12/09/2009 | CN100567179C Biological reactor of polygonal line flowing film |
| 12/09/2009 | CN100567178C Anaerobic small-spacing multilayer three-phase mud-water-gas separating device |
| 12/09/2009 | CN100567177C Sewage collection transmission pipe network simulation experiment device based on continuous stirring reaction pool |
| 12/09/2009 | CN100567176C Method and device for simultaneously processing garbage and waste-water by organism pressure anaerobic technique |
| 12/09/2009 | CN100567174C Method for removing benzene series compounds from industrial waste water |
| 12/09/2009 | CN100567172C Inclined plate separate film biological reactor |
| 12/09/2009 | CN100566572C Hydrogen sulfide inhibitor and method for treating oil field hydrogen sulfide |
| 12/08/2009 | US7628919 Method for treating water contaminated with methanol and boron |
| 12/08/2009 | US7628918 Method of managing organic waste |
| 12/08/2009 | US7628912 Manufacturing device and application device for liquid containing micro-nano bubbles |
| 12/08/2009 | CA2394068C Method for remediation of aquifers |
| 12/03/2009 | WO2009146247A1 Backwashing unsaturated wastewater filter |
| 12/03/2009 | WO2009144200A1 Apparatus for cleaning sewage |
| 12/03/2009 | WO2009144045A1 Device for purifying municipal wastewater by activated sludge in a closed reactor |
| 12/03/2009 | WO2009092915A3 Installation for the treatment of wastewaters and biological disc for such an installation. |
| 12/03/2009 | WO2009081079A3 Device for purifying domestic effluents |
| 12/03/2009 | WO2009074753A3 Sequential biological reactor having a selector for the treatment of municipal or industrial wastewaters. |
| 12/03/2009 | US20090294356 Backwashing unsaturated wastewater filter |
| 12/03/2009 | US20090294355 Method and Apparatus for the Anaerobic Treatment of Waste Water |
| 12/03/2009 | US20090294354 Wastewater photo biomass/algae treatment method |
| 12/03/2009 | US20090294353 Process for Preparation of Substrate for Microbial Digestion |
| 12/03/2009 | US20090293922 Parts washing system |
| 12/03/2009 | DE202009009504U1 Dosiervorrichtung für eine Mehrkammer-Kleinkläranlage Metering device for a multi-chamber septic system |
| 12/03/2009 | DE102008026206A1 Vorrichtung zum Reinigen von Abwasser Apparatus for purifying waste water |
| 12/03/2009 | CA2728913A1 Apparatus for cleaning sewage |
| 12/02/2009 | EP2128097A1 Device for treating urban waste water by activated sludge in a sealed reaction chamber |
| 12/02/2009 | EP2125640A1 Bioremediation |
| 12/02/2009 | EP2125639A1 Anaerobic digester employing circular tank |
| 12/02/2009 | EP2125638A2 Method for generating hydrogen |
| 12/02/2009 | EP2125637A2 Improved density current baffle for a clarifier tank |
| 12/02/2009 | EP2125636A2 Integrated cogeneration wastewater sewage and waste polar fats/ oils/ greases/waxes (fog) waste treatment method and facility |
| 12/02/2009 | EP2125635A2 "in-situ" ballast water treatment system and method |
| 12/02/2009 | EP2125634A1 A system for treating water |
| 12/02/2009 | EP2125180A1 Horizontal agitator and method for producing a flow in a clearing basin using the horizontal agitator |
| 12/02/2009 | EP2125179A1 Horizontal agitator and method for producing a flow in a clearing basin using the horizontal agitator |
| 12/02/2009 | CN201354342Y Sewage depth treatment device of thick oil recovery of oil field |
| 12/02/2009 | CN201354341Y Underground water purifier used for removing ferrum and manganese |
| 12/02/2009 | CN201354340Y Municipal refuse leachate processing system |
| 12/02/2009 | CN201354339Y Biological contact oxidation filter tank for industrial fish culturing |
| 12/02/2009 | CN201354333Y Reactor for anaerobic granular sludge |
| 12/02/2009 | CN201354332Y Modularized bioreactor |
| 12/02/2009 | CN201354331Y Air weir |
| 12/02/2009 | CN201354330Y Tubular membrane reactor |
| 12/02/2009 | CN201354329Y Swing stuffing |
| 12/02/2009 | CN201354328Y High-load aerobic reactor applied to sewage treatment |
| 12/02/2009 | CN101591899A Riverway comprehensive utilization system |
| 12/02/2009 | CN101591129A Advanced sewage treatment method adopting combined use of hydroxyl radical active oxygen-bioactive carbon |
| 12/02/2009 | CN101591128A Method and device for domestic sewage treatment |
| 12/02/2009 | CN101591127A Process and device for treating landfill leachate |
| 12/02/2009 | CN101591126A Novel jet loop membrane bioreaction system sewage treatment technology and device thereof |
| 12/02/2009 | CN101591125A Novel method for rural sewage treatment and resource recycling |
| 12/02/2009 | CN101591123A Printing and dyeing wastewater treatment system |
| 12/02/2009 | CN101591122A Device for biologically processing fecal sewage |
| 12/02/2009 | CN101591121A Method for treating xanthate wastewater through combination of film biodegradation and hydrogen peroxide oxidation |
| 12/02/2009 | CN101591119A Small-sized universal sewage aerobic purification system |
| 12/02/2009 | CN101591118A Multifunctional general sewage treatment system |
| 12/02/2009 | CN101591117A Tank-type modular simple sewage treatment plant |
| 12/02/2009 | CN101591116A Small-sized tank-type modular universal sewage treatment plant |
| 12/02/2009 | CN101591114A Efficient combined-type sewage aerobic biochemical treatment device |
| 12/02/2009 | CN101591113A Combined biological contact oxidation sewage treatment plant |
| 12/02/2009 | CN101591112A Combined aerobic biological fluidized bed sewage treatment plant |
| 12/02/2009 | CN101591111A Combined anaerobic bio-filter sewage treatment plant |
| 12/02/2009 | CN101591109A High concentration medical waste water purification and recovery treatment system mainly based on flocculation and contact oxidation |
| 12/02/2009 | CN101591108A Medical waste water purification and recovery treatment system mainly based on flocculation and activated sludge biochemical process |
| 12/02/2009 | CN101591106A High concentration medical waste water purification and recovery treatment system mainly based on biological filtering tower |
| 12/02/2009 | CN101591105A Large and medium hospital waste water treatment system by aerobic biomembrane process |
| 12/02/2009 | CN101591104A Medical waste water purification and recovery treatment system mainly based on upflow contact oxidation tank |
| 12/02/2009 | CN101591103A Sterilizing and purifying treatment system of wastewater of large and medium sized hospitals |
| 12/02/2009 | CN101591102A Large and medium high concentration medical waste water biofilter sterilization and purification treatment system |
| 12/02/2009 | CN101591100A High concentration medical waste water purification and recovery treatment system mainly based on flocculation and biomembrane process |
| 12/02/2009 | CN101591099A Large and medium hospital waste water sterilization and purification treatment system by upflow biomembrane process |
| 12/02/2009 | CN101591098A Large and medium high concentration medical waste water disinfection and purification treatment system by hydrolysis oxidation |
| 12/02/2009 | CN101591097A Medical waste water purification recovery treatment system mainly based on aerobic biomembrane method |
| 12/02/2009 | CN101591095A Purifying treatment system of large and medium sized medical wastewater by activated sludge process for recycling |
| 12/02/2009 | CN101591094A High concentration medical waste water purification recovery treatment system mainly based on hydrolysis oxidation |
| 12/02/2009 | CN101591093A Flocculation and oxidation ditch sewage treatment system |
| 12/02/2009 | CN101591092A Elevated overflow tank pre-aeration oxidation ditch sewage treatment system |
| 12/02/2009 | CN101591091A Oxidation ditch high concentrated sewage treatment system |
| 12/02/2009 | CN101591090A Oxidation ditch sewage denitrification and phosphorus removal as well as purification system for pre-biological oxidation |
| 12/02/2009 | CN101591089A Oxidation ditch sewage denitrification and phosphorus removal as well as purification system for activated sludge tank pretreatment |
| 12/02/2009 | CN101591088A Jet-pipe pre-aeration oxidation ditch sewage treatment system |
| 12/02/2009 | CN101591087A Oxidation ditch sewage treatment system for pre-biochemical oxidation treatment |
| 12/02/2009 | CN101591086A Hydrolysis and high efficient aeration oxidation ditch sewage treatment system |
| 12/02/2009 | CN101591072A Method for degrading formaldehyde by microbe |
| 12/02/2009 | CN101591071A Moving bed biofilm reaction equipment |
| 12/02/2009 | CN101591070A Method for restoring ecology in water body in lake |
| 12/02/2009 | CN101591069A Method for treating polluted water body in lake |
| 12/02/2009 | CN101591068A Method for treating polluted river |
| 12/02/2009 | CN101591067A Application of Ranunculus sieboldii in treating livestock and poultry cultivation wastewater |
| 12/02/2009 | CN101591066A Application of cardamine hirsute in treating livestock and poultry cultivation wastewater |