| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/27/2007 | US7195233 Aerator |
| 03/27/2007 | CA2445600C Denitrification of aquarium water |
| 03/22/2007 | WO2007032704A1 Method for producing a rhoder biopreparation for removing oil and petroleum products from water, soils and oil sludges |
| 03/22/2007 | WO2007032104A1 Water disposal apparatus and method of water disposal |
| 03/22/2007 | WO2006111577A3 Substance for use in water purification |
| 03/22/2007 | US20070062877 Dialysis device |
| 03/22/2007 | US20070062869 Water treatment method and water treatment apparatus |
| 03/22/2007 | US20070062868 Method and system for filtration of wastewater |
| 03/22/2007 | US20070062867 Water filtration and recycling for stone fabrication equipment |
| 03/22/2007 | US20070062866 Two-stage anaerobic digester |
| 03/22/2007 | US20070062865 Novel biological flocculants and production methods |
| 03/22/2007 | CA2622586A1 Biodegradation of subsurface contaminants by injection of gaseous microbial metabolic inducer |
| 03/21/2007 | EP1764349A1 System and process for the treatment of wastewater from a breeding farm for animals living in water |
| 03/21/2007 | EP1763491A1 Method and apparatus for continuously controlling denitrification in variable nitrogen loads in wastewater |
| 03/21/2007 | EP1763396A1 Device for gassing liquids, particularly waste water |
| 03/21/2007 | EP1644290A4 Method and system for treating wastewater |
| 03/21/2007 | CN2880813Y Floating type lawn |
| 03/21/2007 | CN2880812Y Domestic sewage treatment equipment |
| 03/21/2007 | CN2880811Y Door-shape immersing type hollow fibre film biological reactor |
| 03/21/2007 | CN2880810Y Aerating biological grid |
| 03/21/2007 | CN1931751A Combined process of treating azo dye effluent with high salinity |
| 03/21/2007 | CN1931750A Petrochemical effluent treating and reusing process |
| 03/21/2007 | CN1931749A Paper-making effluent purifying treatment process |
| 03/21/2007 | CN1931748A Integral sewage treating combined apparatus |
| 03/21/2007 | CN1931743A Integral sputtering-oxygenating-biofiltering waste water purifying apparatus and process |
| 03/21/2007 | CN1931742A In-site comprehensive polluted-water purifying process |
| 03/21/2007 | CN1931741A Multiple microbe waste water treating agent and its waste water recovering and utilizing process |
| 03/21/2007 | CN1931740A Mining area acid water treating process in the source |
| 03/21/2007 | CN1931739A Energy-saving reinforced one-stage sewage treating process |
| 03/21/2007 | CN1931731A Water treatment method and water treatment apparatus |
| 03/21/2007 | CN1306133C Seamless rectangular water pool construction method of bounded or unbounded prestressed force |
| 03/21/2007 | CN1306026C Bacillus alcaigenes and its application for degrading methamidophos |
| 03/21/2007 | CN1305787C A method for comprehensive treatment of wastewater |
| 03/21/2007 | CN1305785C Zero-discharge of water glass effluents by alkaline biotreatment techniques |
| 03/21/2007 | CN1305784C Method and installations for treating effluents in small communities |
| 03/21/2007 | CN1305783C Biological treatment method for paper making black liquor |
| 03/21/2007 | CN1305782C Wastewater treatment apparatus and method for removing nitrogen and phosphorus |
| 03/21/2007 | CN1305781C Bionical plant purifying method for polluted river water |
| 03/21/2007 | CN1305780C Four-segment type sewage treatment system for dispersed residences |
| 03/21/2007 | CN1305779C Method for producing liquid-phase solid film of film filtering tank for sewage treatment |
| 03/20/2007 | US7192765 Entrapping and immobilizing any sludge into a monomer or a prepolymer for immobilizing microorganisms, and then subjecting the entrapped and immobilized sludge to heat treatment at 30 to 80 degrees Celcius; for sewage treatment |
| 03/20/2007 | US7192523 Methods for treating agricultural waste and producing plant growth-enhancing material |
| 03/20/2007 | CA2256652C Compositions of bacteria for treating electroplating waste water |
| 03/20/2007 | CA2254447C Collecting processing and disposing of car and industrial toxic emissions |
| 03/20/2007 | CA2137541C Process for anaerobic digestion of liquid effluents |
| 03/15/2007 | WO2007029509A1 Method of biological treatment for organic sewage and apparatus therefor |
| 03/15/2007 | WO2007029042A1 Method and apparatus for the aerobic treatment of waste |
| 03/15/2007 | WO2007028879A1 Method for purifying waste water with added oxidizing agent |
| 03/15/2007 | WO2007028288A1 A composite for removing water bloom converted to sinking vegetation and the treatment method using thereof |
| 03/15/2007 | US20070060477 Process |
| 03/15/2007 | US20070059815 Odor control methods and compositions |
| 03/15/2007 | US20070056903 For an ornamental body of water or a fish pond; impeller mounted in an opening on a side surface of the container forces the water within the container to flow in a non-repeating pattern to increase both contact between the filter media and the water and efficiency of attracting waste material |
| 03/15/2007 | US20070056891 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 03/15/2007 | US20070056890 Water filtration system and its use |
| 03/15/2007 | DE102004025174B4 Verfahren zum Enteisen und/oder Räumen einer Mauerkrone eines Klärwerksbeckens und Vorrichtung hierfür A method for de-icing and / or premises of a mural crown of a sewage treatment plant basin and apparatus therefor |
| 03/15/2007 | DE10155760B4 Verfahren zur in situ-Entsäuerung schwefelsauren Wassers Process for sulfuric acid in situ deacidification water |
| 03/15/2007 | CA2620162A1 Method for purifying waste water with added oxidizing agent |
| 03/14/2007 | EP1762547A1 Method for collecting bacterial cells |
| 03/14/2007 | EP1578697B1 Method for the removal of heavy metal ions from highly-concentrated solutions containing heavy metal ions |
| 03/14/2007 | EP1414756B1 Artificial phytopurification system |
| 03/14/2007 | EP1255698B1 Water treatment unit |
| 03/14/2007 | CN2878372Y Biological wall sewage deep-processing system |
| 03/14/2007 | CN2878369Y Device of membrane bioreactor for treating garbage percolation liquid |
| 03/14/2007 | CN1930298A Method for effecting the anaerobic biological decomposition of organosiloxanes |
| 03/14/2007 | CN1928081A Artificial biological film and preparation method |
| 03/14/2007 | CN1928072A Microorganism bacterium agent for treating septic tank and city planting ductwork sewage and sludge and production method |
| 03/14/2007 | CN1928064A Biological treatment method of high concentrated organic wastewater |
| 03/14/2007 | CN1927746A Pressure type integrated biological treatment apparatus for sewage |
| 03/14/2007 | CN1927740A Organism reinforcing agent for treating phenol coking waste water and preparation method thereof |
| 03/14/2007 | CN1927739A Operation mode and apparatus of short distance nitration-anaerobic ammoxidation batched biomembrane denitrogenation |
| 03/14/2007 | CN1927738A Organism multi-fungoid waste water treatment agent |
| 03/14/2007 | CN1927737A Organism-ecology filtration system of purifying rain/sewage and operational method thereof |
| 03/14/2007 | CN1927736A System of purifying landscape water body and operational method thereof |
| 03/14/2007 | CN1927733A High hydraulic loading underground infiltration sewage treatment multiplex system |
| 03/14/2007 | CN1927729A Comprehensive domestic sewage utilizing system |
| 03/14/2007 | CN1926960A Waters floating bed and planting method thereof |
| 03/14/2007 | CN1304308C Chemistry strengthened biological fluidizing recombination reactor |
| 03/14/2007 | CN1304305C Method and device for methane fermentation treatment of wastewater containing sulfur compound |
| 03/14/2007 | CN1304304C Process for two-step type bioreactor for sludge decrement |
| 03/14/2007 | CN1304303C Method for preparing controlled release high molecular carbon source material for biological method to treat water |
| 03/14/2007 | CN1304302C Method for in-suit repairing soil contaminated by halogenated hydrocarbons, groundwater and mixture of soil and underwater and its used combination or carrier catalyst |
| 03/13/2007 | US7189323 Method for biological purification of water using a carrier material |
| 03/13/2007 | CA2405752C Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors |
| 03/13/2007 | CA2252346C Composition and method for inhibiting the growth of microorganisms including stabilized sodium hypobromite and isothiazolones |
| 03/08/2007 | WO2007028149A2 Screening of inert solids from a low-yield wastewater treatment process |
| 03/08/2007 | WO2007027952A2 Fats, oil and grease interceptor |
| 03/08/2007 | WO2007026176A2 Condiment |
| 03/08/2007 | WO2005116272A3 A method of using endophytic fungi to decontaminate and decompose human and animal wastes |
| 03/08/2007 | US20070051677 combining wastewater with bacteria-laden sludge in a mainstream reactor, separating mixed liquor into a clear effluent and activated sludge, returning a first portion of activated sludge to mainstream reactor, treating second portion in a bioreactor before returning to mainstream reactor through screen |
| 03/08/2007 | US20070051676 Iron and microbial biostimulant such as yeast extract, inactive yeast, active yeast and peptone |
| 03/08/2007 | US20070051675 Filter device and method for filtering |
| 03/08/2007 | DE202006018847U1 Belebungsanlage für eine Kleinkläranlage Activated sludge plant for a small sewage treatment |
| 03/08/2007 | DE102006041405A1 Processing of sea water for swimming pool, bathing pool and fish farming pool, comprises contacting sea water with organisms in biotope zone and periodically flowing water through porous substrate in bottom filter zone |
| 03/07/2007 | EP1760047A2 Method and device for treatment of contaminated waste water, in particular for reprocessing sewage sludge |
| 03/07/2007 | EP1758445A1 Energy-saving combination |
| 03/07/2007 | EP1545753A4 Strip diffuser pct i |
| 03/07/2007 | EP1390306B1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 03/07/2007 | CN2876083Y Mobile integrated equipment for sewage treatment and reuse |
| 03/07/2007 | CN1926072A Method of nitrifying ammonium-nitrogen-containing water and method of treating the same |
| 03/07/2007 | CN1923728A Method of restoring under-current artificial wetland water-percolating capacity by soil animal |