| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/04/2008 | WO2008115878A3 New bioremediation enhancing agent and method of use |
| 12/04/2008 | WO2003105984A3 Cellular microbead filter in water recirculating system |
| 12/04/2008 | US20080296224 Reverse osmosis pump system |
| 12/04/2008 | US20080296221 utilizes an aeration nozzle which is sized to enable particle size regulated wastewater to pass through the nozzle; shredding; mastication |
| 12/04/2008 | US20080296220 apparatus and means for controlling salinity level of saltwater-based domestic wastewater entering or within apparatus such that fluctuations in salinity level are reduced and biological treatment of wastewater is maintained; use of activated sludge reactor, sequencing batch reactor, membrane bioreactor |
| 12/04/2008 | US20080296219 Atmospheric bioremediation system and method |
| 12/04/2008 | US20080296215 Wastewater treatment and disposal system |
| 12/04/2008 | CA2686937A1 Membrane cleaning using an airlift pump |
| 12/03/2008 | EP1998176A1 Method for creating a porous medium that is suitable for studying biodegradation phenomena |
| 12/03/2008 | EP1997371A1 Overflow device for water tank |
| 12/03/2008 | EP1997370A1 Filter device for water tank |
| 12/03/2008 | EP1996520A2 A bacterium consortium, bio-electrochemical device and a process for quick and rapid estimation of biological oxygen demand |
| 12/03/2008 | EP1996226A2 Methods, compositions and devices for maintaining chemical balance of chlorinated water |
| 12/03/2008 | EP1885656A4 A method for improving flux in a membrane bioreactor |
| 12/03/2008 | CN201158605Y Swinging bed/activated sludge process series arrangement |
| 12/03/2008 | CN201158604Y Purifier for ultra-considerable water |
| 12/03/2008 | CN201158602Y In-sequence batch quantity type reactor system for wastewater treatment |
| 12/03/2008 | CN101316795A Denitrification process and system |
| 12/03/2008 | CN101314512A Method for treating eutrophication water with artificial wet land and facilities thereof |
| 12/03/2008 | CN101314511A Baffling type method and system for processing sanitary sewage of horizontal drowned flow artificial wet land |
| 12/03/2008 | CN101314510A Method for processing high-toxicity high-concentration highly salt-containing organic waste water with biochemistry combination process of catalytic oxidation |
| 12/03/2008 | CN101314509A Purification technique for secondary drink for sanitary sewage of countryside on plain river system zone |
| 12/03/2008 | CN101314503A Processing method for garbage leachate |
| 12/03/2008 | CN101314502A Inversed baffled aerobic particle sewage sludge reactor |
| 12/03/2008 | CN101314501A Bioreactor of hollow fiber film |
| 12/03/2008 | CN101314500A Microorganism colonization method |
| 12/03/2008 | CN101314499A Treatment method and treatment device of waste water containing insoluble material |
| 12/03/2008 | CN101314498A Wastewater treating and recycling system |
| 12/03/2008 | CN101314497A Wastewater treatment and reutilization process |
| 12/03/2008 | CN101313681A Ecological regulating and controlling method for sulfate reducing bacteria liveness in surface water of oil field, and used restrainer thereof |
| 12/03/2008 | CN100439491C Globular bacillus and its use |
| 12/03/2008 | CN100439268C Factory waste water zero discharge treatment technology |
| 12/03/2008 | CN100439264C Section combined lifting sewage aeration apparatus |
| 12/03/2008 | CN100439263C High efficiency, low energy consumption waste water treating and reutilizing process |
| 12/03/2008 | CN100439262C Air-floating pretreatment method and device for high-concentration organic sewage |
| 12/03/2008 | CN100439261C Biological package treatment method for draining port in river |
| 12/03/2008 | CN100438956C Method for avoiding clogging of filtration membranes |
| 12/02/2008 | US7459087 Contacting with alumina to remove fluoride ions; filtration |
| 12/02/2008 | US7459083 Method for controlling fouling of a membrane filter |
| 12/02/2008 | US7459077 Portable apparatus for in-transport treatment of waste |
| 11/27/2008 | WO2008142128A2 Water treatment device having discs and a rotary drum filter, and corresponding process |
| 11/27/2008 | WO2008141935A1 Membrane bags with seamless membrane substance, uses thereof and filtration units therewith |
| 11/27/2008 | WO2008141631A1 Method and device for initiating conversion processes by magnetic fields and/or oxygen donators |
| 11/27/2008 | WO2008141413A1 Wastewater treatment with aerobic granules |
| 11/27/2008 | WO2008121078A9 Treatment of hydrocarbon-contaminated aqueous solutions |
| 11/27/2008 | WO2007115285A3 Wastewater purification method and apparatus |
| 11/27/2008 | US20080290026 Trapping liquid between discs in a mixing area, forcing liquid up into mixing area by first strake, and forcing liquid down into mixing area by second strake; economical apparatus aeration of wastewater, sewage and industrial waste |
| 11/27/2008 | US20080290025 Combination Membrane/Biolytic Filtration |
| 11/27/2008 | US20080290024 emitted by anaerobically digested dewatered biomass; stabilizing the biomass obtained from wastewater treatment prior to land application or landfill disposal; without using chemicals and increasing the amount of land; during storage methanobacterium begin degrading odorous sulfur compounds |
| 11/26/2008 | EP1993957A2 Method and system for nitrifying and denitrifying wastewater |
| 11/26/2008 | EP1993955A1 Process and device for the anaerobic treatment of waste water |
| 11/26/2008 | CN201154940Y High-efficiency wastewater treatment and recovering integrated device |
| 11/26/2008 | CN201154939Y Hogpen sewerage integrated processing equipment |
| 11/26/2008 | CN201154938Y Multifunction sewage disposal and recovering system |
| 11/26/2008 | CN201154937Y Advanced treatment device for pulping waste water for paper making |
| 11/26/2008 | CN201154936Y Integrated film biological fluidized bed sewage treatment plant |
| 11/26/2008 | CN201154935Y Chemical fabrics waste water treatment plant |
| 11/26/2008 | CN201154930Y Synthesis artificial wet land fillers sewerage ecological processing system |
| 11/26/2008 | CN201154929Y Sewage biological denitrification and sludge decrement coupling biological reaction device |
| 11/26/2008 | CN201154928Y Continuous upwash reaction device for treating waste water with heavy metal |
| 11/26/2008 | CN201154916Y Swirl proof device of rotating decanter |
| 11/26/2008 | CN101312915A Bioreactor and method for the biological purification of water |
| 11/26/2008 | CN101312795A Hydrogen fermentor and method of producing hydrogen |
| 11/26/2008 | CN101311131A Sewage handling method and uses thereof |
| 11/26/2008 | CN101311129A Oxygenation bridge |
| 11/26/2008 | CN100436350C Agricultural ecological canal-artificial wet land water quality improvement and ecological system reconstruction method |
| 11/26/2008 | CN100436349C Active organism treatment environment-friendly device for city domestic sewage |
| 11/26/2008 | CN100436347C Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent |
| 11/26/2008 | CN100436345C Wastewater treatment method of pyramid type artificial swamp |
| 11/26/2008 | CN100436344C Two-segment type latent current wetland sewage treatment method |
| 11/26/2008 | CN100436343C Circulation type double fluid state sewage treatment reactor |
| 11/26/2008 | CN100436342C Rotary multi-cut-piece anaerobic biological reactor |
| 11/26/2008 | CN100436341C Spiral self-circulation anaerobic biological reactor |
| 11/26/2008 | CN100436340C Conductive water treatment filler |
| 11/26/2008 | CN100435907C Dynamic filter module |
| 11/25/2008 | US7455780 Pretreatment by removal of metals and sulfates; waste water is directed through a high carbon ash particulate; phosphorus, nitrogen, biological oxygen demand (BOD) and chemical oxygen demand (COD) can be removed; will raise the pH to above 10 alkalinity, killing bacteria; water pollution control |
| 11/25/2008 | US7455776 Method for mixing high viscous liquids with gas |
| 11/25/2008 | US7455775 Water treatment method and apparatus |
| 11/25/2008 | US7455774 Iron and microbial biostimulant such as yeast extract, inactive yeast, active yeast and peptone |
| 11/25/2008 | US7455773 Package wastewater chemical/biological treatment method |
| 11/25/2008 | US7455765 Wastewater treatment system and method |
| 11/20/2008 | WO2008141290A1 Low phosphorous water treatment methods and systems |
| 11/20/2008 | WO2008139836A1 Immersion type membrane separation apparatus and method of operating the same |
| 11/20/2008 | WO2008139779A1 Method of anaerobic treatment and anaerobic treatment apparatus |
| 11/20/2008 | WO2008139618A1 Method of water disposal |
| 11/20/2008 | WO2008139617A1 Membrane filter unit |
| 11/20/2008 | WO2008138114A1 A process and apparatus for assisting the extraction and processing of biodiesel oil using oil-bearing and other organic feedstock |
| 11/20/2008 | WO2008138109A1 Pectate lyases with increased thermostability and/or enzymatic activity |
| 11/20/2008 | WO2008089718A3 Bioremediation method for accelerated biological decomposition of petroleum hydrocarbons in sea ice-covered polar regions, and bacteria and enzyme mixtures as agents for carrying out said method |
| 11/20/2008 | US20080283469 Methods And Apparatus For Biological Treatment of Waste Waters |
| 11/20/2008 | US20080283468 Method, composition and apparatus for high temperature production of methane from poultry waste |
| 11/20/2008 | US20080283455 Apparatus and method for denitrification of treated water from aerobic wastewater treatment systems |
| 11/20/2008 | CA2687228A1 Anaerobic treatment method and anaerobic treatment apparatus |
| 11/20/2008 | CA2686980A1 A process and apparatus for assisting the extraction and processing of biodiesel oil using oil-bearing and other organic feedstock |
| 11/20/2008 | CA2686924A1 Submerged membrane separation apparatus with improved diffuser tube structure |
| 11/20/2008 | CA2686887A1 Pectate lyases with increased thermostability and/or enzymatic activity |
| 11/19/2008 | EP1991823A1 System, method and apparatus for transferring heat |
| 11/19/2008 | EP1991687A2 Extraction of fermentation-inhibiting substances from a fluid |
| 11/19/2008 | EP1991343A1 High-pressure reactor for the work-up of sludges and method of operating the high-pressure reactor |
| 11/19/2008 | EP1904216A4 Process control for an immersed membrane system |