| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 10/24/2002 | US20020153304 Sewage wastewater treatment system comprising a septic tank and aerobic filter |
| 10/24/2002 | US20020153303 Introducing sewage to the bottom of a fermentation cell; removing suspended solids, microorganisms, nutrients, and pathogens from the sewage to produce a disinfected quaternary effluent; producing purified water |
| 10/24/2002 | US20020153302 Method of treating sewage |
| 10/24/2002 | US20020153301 Periphyton filtration pre-and post-treatment system and method |
| 10/24/2002 | DE10217651A1 Second stage waste water treatment exposes water to secondary biological treatment during transport phase |
| 10/24/2002 | DE10119119A1 Industrial and trade waste water treated by filtration, disinfecting and oxygenation via a membrane |
| 10/24/2002 | DE10118839A1 Bio-reactor stimulates microbiological activity in effluent water by piezo-electric high-frequency oscillator |
| 10/24/2002 | CA2444165A1 Cheese-like dairy products and process for producing the same |
| 10/23/2002 | EP1251104A1 A method for processing yeast-containing waste flows in an anaerobic reactor |
| 10/23/2002 | EP1251103A2 Method and apparatus for treating wastewater |
| 10/23/2002 | EP0958251B1 Biological treatment of spent caustics |
| 10/23/2002 | CN2517737Y Umbrella shape aerator |
| 10/23/2002 | CN2517736Y Jetting aerating reactor used activated sludge process |
| 10/23/2002 | CN2517735Y Micro-cavity emission filling |
| 10/23/2002 | CN1375463A Method of treating cyclizatino hydrolysis effluent and reusing resource in lipoic acid production |
| 10/23/2002 | CN1375462A Treating process of percolated liquid in city refuse landfill |
| 10/23/2002 | CN1375460A Sewage treatment tank |
| 10/22/2002 | US6468486 Process for treating exhaust gases containing nitrides |
| 10/22/2002 | US6468429 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors |
| 10/17/2002 | WO2002081600A2 Black water recycle circulation loop use with a gasifier |
| 10/17/2002 | WO2002081387A1 Apparatus for treatment of wastewater, including a biofilter and a post-filter |
| 10/17/2002 | WO2002081386A1 Sludge and slurry destruction plant and process |
| 10/17/2002 | US20020151038 Process for removing dye from dye containing water or soil using white rot-lignin-modifying fungus flavadon flavus |
| 10/17/2002 | US20020150429 Composite particles and methods for their application and implementation |
| 10/17/2002 | US20020149123 Apparatus for the detachable securement of aeration devices in water aerating units |
| 10/17/2002 | US20020148782 Wastewater management system |
| 10/17/2002 | US20020148781 Wastewater management system |
| 10/17/2002 | US20020148780 Method of enhancing biological activated sludge treatment of waste water, and a fuel product resulting therefrom |
| 10/17/2002 | US20020148779 Biofilter utilizing alternating aerobic/anoxic process in a reactor to removal carbonaceous and nitrogenous materials from aquaculture, industrial processes and animal husbandry |
| 10/17/2002 | US20020148762 Wastewater treatment plant and method for constructing same |
| 10/17/2002 | DE10212109A1 Apparatus, for gasifying liquids in biotechnical reactors, has devices in down-flow and/or up-flow chambers to influence flow shape of liquid medium |
| 10/17/2002 | DE10115515A1 Pflanzenkläranlage Wetland |
| 10/16/2002 | EP1249279A1 Installation for the elimination of atmospheric emissions of organic solvents used for paint thinning |
| 10/16/2002 | EP0958250B1 Process for controlling a filter device for the purification of contaminated and in particular nitrates containing liquid |
| 10/16/2002 | CN2516543Y Micropore aerater with air diversion device |
| 10/16/2002 | CN1375003A Trace element-containing carrier for growing microorganism |
| 10/16/2002 | CN1374259A Integrated anaerobic and aerobic deep aerating waste water biodenitrifying technology and apparatus |
| 10/16/2002 | CN1374258A Stuffing-throwing fluidized bed membrane bioreactor and water treating method |
| 10/16/2002 | CN1374152A Multilayer film forming method |
| 10/16/2002 | CN1092610C Method for removing organic ingredient from oil-field well-drilling waste water |
| 10/16/2002 | CN1092608C Waste water treatment method for removing nitrogen and phosphorus and plant thereof |
| 10/15/2002 | US6465240 Method for treating a waste stream using photosynthetic microorganisms |
| 10/15/2002 | US6464875 Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
| 10/15/2002 | US6464874 Biological sludge and calcium-containing chemical sludge for both organic matters and fluorine in only one reaction tank |
| 10/15/2002 | US6464865 Wastewater dispersal system |
| 10/15/2002 | US6464211 Diffuser assembly |
| 10/12/2002 | CA2381681A1 System and method for separating components of liquid manure |
| 10/10/2002 | WO2002079104A1 Wastewater woven filtration fabric |
| 10/10/2002 | WO2002079103A2 Activated sludge wastewater treatment for removal of endocrine disrupters |
| 10/10/2002 | WO2002078825A1 Floating paddlewheel aerator |
| 10/10/2002 | WO2002038508A3 Low oxygen organic waste bioconversion system |
| 10/10/2002 | US20020144957 Method of treating waste-activated sludge using electroporation |
| 10/10/2002 | US20020144953 Gas-gas-water treatment system for groundwater and soil remediation |
| 10/10/2002 | US20020144945 Enhanced activated sludge treatment |
| 10/10/2002 | US20020144940 Waste water treatment method and apparatus |
| 10/10/2002 | DE10115662A1 Reed bed water treatment system has multi-chamber trench, high pressure water pump, collector and distributor shaft |
| 10/09/2002 | EP1246984A2 Water circulation device for decorative ponds |
| 10/09/2002 | EP1246779A2 Method and device for purifying untreated water |
| 10/09/2002 | EP1246778A2 Treatment of aqueous media containing electrically charged compounds |
| 10/09/2002 | CN2515195Y Aeration filtering pool |
| 10/09/2002 | CN2515194Y Integrated film biological reactor |
| 10/09/2002 | CN2515193Y Micro-aerobe reactor |
| 10/09/2002 | CN1373090A Multi sewage cleaning device and soil block thereof |
| 10/09/2002 | CN1092153C Method for treating aqueous media contg. organic materials and hydrothermal reaction apparatus |
| 10/09/2002 | CN1092152C Method for removing sulfur compound from water |
| 10/09/2002 | CN1092150C Water purification apparatus |
| 10/08/2002 | US6462666 Housing and electric connection panel for sump pump and full septic tank alarm |
| 10/08/2002 | US6462097 Process for the production of purified water and hydrocarbons from fossil resources |
| 10/08/2002 | US6461511 Aeration, oxidation, separation, filtration |
| 10/08/2002 | US6461510 High-efficiency processes for destruction of contaminants |
| 10/08/2002 | US6461509 Method and installation for purifying contaminated water |
| 10/08/2002 | US6461500 Apparatus for aeration without significant agitation to deplete and biodegrade sludge |
| 10/08/2002 | US6460830 Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid |
| 10/08/2002 | CA2232345C Novel microorganism and method for environmental purification using the same |
| 10/03/2002 | WO2002076893A1 Method and device for the anaerobic purification of a slurry which contains organic constituents |
| 10/03/2002 | US20020139748 Moving aerator for immersed membranes |
| 10/03/2002 | US20020139747 Physical barrier divides the lagoon contents into upper odor-causing compounds biologically convert within the aerobic zone into olfactorily inoffensive compounds that release into the atmosphere and lower anaerobic zone |
| 10/03/2002 | US20020139742 Floatation panel formed from bonded foam particles that is adhered to a fabric layer |
| 10/03/2002 | US20020139739 Apparatus for sewage treatment |
| 10/02/2002 | EP1245538A1 Apparatus for sewage treatment |
| 10/02/2002 | EP1245537A2 Sewage plant with plants bed |
| 10/02/2002 | EP1244604A2 Method for biological effluent treatment |
| 10/02/2002 | EP1244603A1 DECONTAMINATION METHOD AND SYSTEM, SUCH AS AN i IN-SITU /i GROUNDWATER DECONTAMINATION SYSTEM, PRODUCING DISSOLVED OXYGEN AND REACTIVE INITIATORS |
| 10/02/2002 | EP1244601A1 Waste treatment process |
| 10/02/2002 | EP0886599B1 Off-shore sewage treating and handling apparatus and method |
| 10/02/2002 | EP0710218B1 Monitoring biological activity in wastewater |
| 10/02/2002 | DE10207611A1 Reed bed waste water treatment plant has sacrificial anode forming insoluble phosphate compounds |
| 10/02/2002 | DE10114255A1 Aggregate unit for a small sewage plant comprises container that houses ventilation unit, water pump, and sludge pump |
| 10/02/2002 | DE10112357A1 Verfahren und Vorrichtung zur biologischen Abwasserreinigung mit integrierter Schlamm (Biomasse)- abtrennung durch Sedimentation unter Druckbeaufschlagung Method and apparatus for biological wastewater treatment with integrated sludge (biomass) - segregation by sedimentation under pressure |
| 10/02/2002 | DE10112112A1 Precipitation pit ventilator comprises directly ventilated pre-settlement chamber, which uses drainage chamber with integral filter |
| 10/02/2002 | CN2514049Y Toilet flushed with circulation water |
| 10/02/2002 | CN2513989Y High-efficient integrated biologic water purifier |
| 10/02/2002 | CN1371874A Urban and industrial waste water integrated transverse flow type fluidized bed treatment method and apparatus thereof |
| 10/02/2002 | CN1371870A Sewage treatment equipment |
| 10/02/2002 | CN1091751C Method for remving heavy metals from flue gas absorption liquid |
| 10/01/2002 | US6458276 Method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol |
| 09/27/2002 | CA2372390A1 Apparatus for sewage treatment |
| 09/26/2002 | WO2002074702A2 Immersion percolating filter |
| 09/26/2002 | WO2002074408A1 Method and device for biological effluent treatment with integrated sludge separation by sedimentation with pressurisation |
| 09/26/2002 | WO2002001220A3 Method and equipment for monitoring syntrophic relations in a biological process fluid |