| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/23/2009 | CN100572525C Microorganism preparation for purifying aquatic product cultivating water body and preparation method thereof |
| 12/23/2009 | CN100572524C Oil field re-injection water microbiological treatment |
| 12/23/2009 | CN100572307C Process for removing nitrogen and phosphor using traditional waste water treatment process |
| 12/23/2009 | CN100572303C Method for shaping ecological decontaminating type composite stream channel wet land system |
| 12/23/2009 | CN100572302C ORBAL oxidation ditch-like dephosphorization denitrogenation integrated A2O technique/ inverted A2O technique |
| 12/23/2009 | CN100572301C Integrated sequencing-batch method for treating sewage by plant micro-net dynamic membrane and apparatus therefor |
| 12/23/2009 | CN100572300C Biological treatment method for sewage by composite dynamic film, and device thereof |
| 12/23/2009 | CN100572299C Method of 3D multi-current wetland for treating pollution of area source drained into rivers, and refining river water |
| 12/23/2009 | CN100572292C Community closed medium water landscape water system organism gas float BOAG treatment method and device |
| 12/23/2009 | CN100571853C Agitating device and method for sewage treatment |
| 12/23/2009 | CA2726525A1 Process for the simultaneous remediation and production of fuel from fractionalized waste and virgin materials through the use of combinative bioreactor and catalytic methodology |
| 12/22/2009 | US7635432 Method of treating at a high-temperature waste liquid from production plant for hydrocarbons or oxygen-containing compounds |
| 12/22/2009 | US7635431 Septic drain line flow control system |
| 12/22/2009 | CA2610722C In-situ groundwater nitrification and de-nitrification remediation system |
| 12/22/2009 | CA2582132C Biofilter and method for filtering a waste liquid |
| 12/17/2009 | WO2009151616A1 Rapid transfer and mixing of treatment fluid into a large confined flow of water |
| 12/17/2009 | WO2009151227A2 Water purifier of a stepping-stone type |
| 12/17/2009 | WO2009151190A1 Combined organic sewage disposal installation using effective microorganism |
| 12/17/2009 | WO2009150720A1 Sewage purification system and method of growing plant by using the purification system |
| 12/17/2009 | WO2009149536A1 Apparatus and process for treatment of wastewater and biological nutrient removal in activated sludge systems |
| 12/17/2009 | WO2009129963A3 Process and plant to purify polluted waters |
| 12/17/2009 | US20090308809 Wastewater treatment method |
| 12/17/2009 | US20090308808 System And Apparatus For Contaminant Remediation |
| 12/17/2009 | US20090308807 Method of removing phosphorus and/or nitrogen |
| 12/17/2009 | US20090308806 Anaerobic purification device |
| 12/17/2009 | DE102008027789A1 Biofilm-Trägerelement, Verwendung derartiger Trägerelemente zur Reinigung von Wasser und Filter mit derartigen Trägerelementen Biofilm support member, use of such carrier elements for the purification of water and filter with such support elements |
| 12/17/2009 | CA2727096A1 Method and system for treating water and utilizing a membrane filtering system |
| 12/16/2009 | EP2133312A1 Biofilm carrier element, use of such carrier elements for cleaning water and filter with such carrier elements |
| 12/16/2009 | EP2132146A1 Drain-flush sequence and system for filter module |
| 12/16/2009 | CN201362632Y Sewage treatment and reuse integrated device |
| 12/16/2009 | CN201362631Y Sewage integrated treatment device |
| 12/16/2009 | CN201362617Y Vertical artesian aerator |
| 12/16/2009 | CN201362616Y Water plant tray |
| 12/16/2009 | CN201362615Y Cyclone water distributor for anaerobic reactor |
| 12/16/2009 | CN201362614Y Internal circulation anaerobic reactor for cyclone water distribution cyclone separation |
| 12/16/2009 | CN201362613Y Energy-saving sewage oxygen exposure device |
| 12/16/2009 | CN201362612Y Domestic sewage treatment and reusing device |
| 12/16/2009 | CN201362611Y Bamboo chip filling |
| 12/16/2009 | CN201362610Y Biological belt for wrapping biological coating layer |
| 12/16/2009 | CN201361533Y Air stripping internal circulation membrane filter |
| 12/16/2009 | CN101602564A Method for treating coking wastewater |
| 12/16/2009 | CN101602563A Biological and ecological sectional method for purifying and treating domestic sewage |
| 12/16/2009 | CN101602562A High-safety regenerated water deep treatment system |
| 12/16/2009 | CN101602548A Method for controlling residual sludge reduction in activated sludge-sewage treatment system and reactor |
| 12/16/2009 | CN101602547A Method for strengthening biological treatment of organic wastewater difficult to degrade |
| 12/16/2009 | CN101602546A Anaerobic reactor and wastewater treatment method with same |
| 12/16/2009 | CN101602545A Method for obtaining stable nitrite accumulation by sewage denitrification |
| 12/16/2009 | CN101602544A Thrust device and biological sewage treatment device and biological sewage treatment technology utilizing same |
| 12/16/2009 | CN101602543A Aerating device and water treatment equipment utilizing same |
| 12/16/2009 | CN101602542A Aerating device |
| 12/16/2009 | CN101602541A Biological sewage treatment technology and biological sewage treatment device |
| 12/16/2009 | CN101602540A Submerged flat sheet membrane element of membrane bioreactor |
| 12/16/2009 | CN101602539A Quasi-ecological biologic filtration pool capable of purifying escaping gas |
| 12/16/2009 | CN101602538A Biogas slurry ecological purification device and biogas slurry ecological purification method |
| 12/16/2009 | CN101602530A Spiral channel column anode |
| 12/16/2009 | CN100569679C Method for wastewater treatment and circulation recover zero discharge in lipoic acid preparation |
| 12/16/2009 | CN100569678C Eutrophic water process technique |
| 12/16/2009 | CN100569670C Method of treating sewage by composite vertical down flow artificial wet field and treatment system thereof |
| 12/16/2009 | CN100569669C Anaerobic-anoxic oxidation pitch technique denitrification dephosphorization device and method |
| 12/16/2009 | CN100569668C Method and apparatus for treating ammonium-containing liquid |
| 12/16/2009 | CN100569667C Modified four-section water-feeding A/O deep denitrogenation device and process control method |
| 12/16/2009 | CN100569666C Cold rolling oil-containing waste water membrane bioreactor and its processing method |
| 12/16/2009 | CN100569665C Artificial wet land water treatment technology |
| 12/15/2009 | US7632408 achieves a reduction of nitrogen in wastewater effluent by facilitation of nitrification and denitrification processes, resulting in the conversion of NH3 into nitrate in the presence of the oxygen, a conversion accelerated by the air vent., and then the conversion of nitrate to nitrogen gas; septic tank |
| 12/15/2009 | US7632407 Rapid proliferation of aquatic plant growth facilitation system and associated methods |
| 12/15/2009 | US7632164 Process for producing an organic EL display device using different processing units for each of the manufacturing stages |
| 12/15/2009 | CA2461668C Biological water treatment assembly including a bacteria growth device and method associated thereto |
| 12/10/2009 | WO2009149260A1 Compositions, methods and uses for growth of microorganisms and production of their products |
| 12/10/2009 | WO2009148292A2 Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same |
| 12/10/2009 | WO2009109994A4 A method for anaerobic process coupled separation and refining of plant materials |
| 12/10/2009 | US20090301965 Process for Treating Water in a Treatment Plant and Corresponding Treatment Plant |
| 12/10/2009 | US20090301963 Method and system for treating water and utilizing a membrane filtering system |
| 12/10/2009 | US20090301952 Device for fixing a perforated aeration membrane |
| 12/10/2009 | US20090300950 Apparatus, System and Method for Remediation of Contamination |
| 12/09/2009 | EP2129629A1 Improved infiltration/inflow control for membrane bioreactor |
| 12/09/2009 | EP2129627A1 Method of and system for supporting denitrification |
| 12/09/2009 | CN201358204Y Oil-refining sewage advanced treatment device |
| 12/09/2009 | CN201358203Y Device for ecological treatment for scattered-family sewage drainage |
| 12/09/2009 | CN201358192Y Ecological greenbelt for advanced treatment for cold-rolling emulsified liquid wastewater |
| 12/09/2009 | CN201358191Y Biological ultramicro dynamic waste water treatment device |
| 12/09/2009 | CN201358190Y Device of wastewater treatment system for deep water distribution multi-media ecological wetland |
| 12/09/2009 | CN201358189Y Cyclone gas stripper |
| 12/09/2009 | CN201358188Y Sewage treatment device with integrated fluidized beds and fixed beds |
| 12/09/2009 | CN201358187Y Two-segment upward-floating water quality ecological purification biological film belt |
| 12/09/2009 | CN201358186Y Algal-phase adjustment device |
| 12/09/2009 | CN201358185Y Sludge reduction device |
| 12/09/2009 | CN201358184Y Honeycomb biofilter |
| 12/09/2009 | CN201358183Y Highly-effective aeration device |
| 12/09/2009 | CN101600660A Anaerobic digester employing circular tank |
| 12/09/2009 | CN101600659A Method and apparatus for anaerobic digestion of organic liquid waste streams |
| 12/09/2009 | CN101600518A Method for disposal of organic waste material and apparatus for the method |
| 12/09/2009 | CN101597561A Biogas-lift reinforced anaerobic reactor and application thereof |
| 12/09/2009 | CN101597187A Production method of compound microbial fertilizer for aquiculture and fertilizer thereof |
| 12/09/2009 | CN101597131A Method and device for treating garbage percolate |
| 12/09/2009 | CN101597130A Processing method of organic wastewater and wastewater processing unit |
| 12/09/2009 | CN101597129A Method for biochemically treating electroplating wastewater |
| 12/09/2009 | CN101597127A Coking wastewater treatment process and coking wastewater treatment equipment |
| 12/09/2009 | CN101597126A Sewage treatment method suitable for hilly small towns |
| 12/09/2009 | CN101597125A Technology of treating coking wastewater by biomembrance process |
| 12/09/2009 | CN101597123A System for advanced treatment and recycling of petroleum and petrochemical wastewater |