| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 04/19/2006 | CN1251971C Treating process of percolated liquid in city refuse landfill |
| 04/18/2006 | US7030287 burying alcohol having 12 or more carbon atoms in soil wherein microorganism in soil reduces nitrate nitrogen and volatile organic compounds under anaerobic conditions using alcohol as hydrogen donor for microorganism |
| 04/18/2006 | US7029589 Universal method and apparatus for conversion of volatile compounds |
| 04/18/2006 | US7029586 Integrated tidal wastewater treatment system and method |
| 04/18/2006 | US7029577 Aquaculture system |
| 04/13/2006 | WO2006039508A2 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge digestion systems |
| 04/13/2006 | WO2006039335A2 A streamlined methane gas generation system |
| 04/13/2006 | US20060076292 Enabling to shorten a time of discarding organic matters and to reduce electric consumption; to equalize degrees of dryness and fermentation of organic matters |
| 04/13/2006 | US20060076290 Nitrate removal in a purge stream using constructed wetlands |
| 04/12/2006 | EP1645198A1 Process for producing liquid formulation containing raw yeast and liquid formulation |
| 04/12/2006 | EP1644290A1 Method and system for treating wastewater |
| 04/12/2006 | EP1644289A1 Method for the biological breakdown of effluent containing nitroaromatics |
| 04/12/2006 | EP1644099A1 A filter in a spiral type forming a plurality of prominence and depression in the form of the rib of a fan in turn on surface and manufacturing method and machine therefor |
| 04/12/2006 | CN2771193Y Powerless domestic sewage treating device |
| 04/12/2006 | CN2771192Y Microporous aerating device |
| 04/12/2006 | CN2771191Y Stream generating and aerating machine |
| 04/12/2006 | CN2771190Y Marine biochemical domestic sewage treating apparatus |
| 04/12/2006 | CN1250460C Perphyton filtration pre- and post-treatment system and method |
| 04/12/2006 | CN1250458C Water treatment device |
| 04/12/2006 | CA2481853A1 Integrated multi-zone wastewater treatment system and method |
| 04/11/2006 | US7025885 Water filtration using immersed membranes |
| 04/11/2006 | US7025883 Autotrofic sulfur denitration chamber and calcium reactor |
| 04/06/2006 | WO2006035885A1 Method of treating nitrogen-containing liquid and apparatus therefor |
| 04/06/2006 | WO2006035594A1 Method and apparatus for biologically treating wastewater containing fats and oils |
| 04/06/2006 | US20060070949 Pretreating effluent; settling; continuous removal of metals by biosorption, in which microbial biomass is grown and immobilized in a bioreactor, towards which the water to be treated is led and, finally, the metal ions uptaken by the biomass are eluted |
| 04/06/2006 | US20060070948 Aerobic bacterial generator for pond and fish culture facility water quality management |
| 04/06/2006 | US20060070947 Method and apparatus for treating water |
| 04/06/2006 | US20060070938 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge digestion systems |
| 04/06/2006 | DE202006001721U1 Small-scale waste water treatment plant with water sampler on a branch from the reactor outlet pipe |
| 04/06/2006 | DE202006000564U1 Pipe fitting for waste water treatment assembly has vertical flanks for support of vertically-arranged pipes |
| 04/06/2006 | DE202005017258U1 Apparatus for removing floating sludge from water surface, e.g. in clarification tank, having sludge outlet allowing controlled temporary increase of sludge outflow |
| 04/06/2006 | DE102005032747A1 Industrial sewage treating bioreactor comprises a container having fissures, to bring in the water, and filling material with microbiotic mixture, where a diamond coating is applied between the outer layers having photo catalytic layer |
| 04/06/2006 | DE102004048050A1 Water filter for cleaning an impure water, comprises a partition for the detour of flowing water around a foam area, which has an opening to withdrawal of foam by a sprinkling mechanism |
| 04/05/2006 | EP1641713A1 Fermentation media comprising wastewater and use hereof |
| 04/05/2006 | EP1641712A1 Photosynthetic hydrogen production |
| 04/05/2006 | EP1641340A1 Device for removing impurities from a liquid |
| 04/05/2006 | EP1484287B1 Hybrid biological membrane reactor for the treatment of urban and industrial waste water |
| 04/05/2006 | CN2769345Y Artificial tunnel |
| 04/05/2006 | CN2769263Y Housing estate sewage treatment arrangement |
| 04/05/2006 | CN2769262Y Integrated waste water reutilizing treatment apparatus |
| 04/05/2006 | CN2769261Y Bionic plant for purifying river micro-polluted water body |
| 04/05/2006 | CN1756907A Water circulation systems for ponds, lakes, and other bodies of water |
| 04/05/2006 | CN1754834A Cleaning type integrated effluent disposal system and operation method |
| 04/05/2006 | CN1248976C Integrated biological effulent treatment process |
| 04/04/2006 | US7022241 Gas-gas-water treatment system for groundwater and soil remediation |
| 04/04/2006 | US7022237 Aerobic wastewater management system, apparatus, and method |
| 04/04/2006 | US7022236 Membrane bioreactor, process and aerator |
| 04/04/2006 | US7022235 Wastewater biological treatment system and method therefor |
| 04/04/2006 | US7022234 For biological purification of wastes |
| 04/04/2006 | US7022233 Biologically active reactor system and method for treating wastewater |
| 04/04/2006 | US7022232 Periphyton filtration pre- and post-treatment system and method |
| 04/04/2006 | US7022226 Anaerobic bioreactor for the wastewater-treatment plant |
| 04/04/2006 | US7022222 In-pipe wastewater treatment system |
| 03/30/2006 | US20060065595 Waste effluent treatment system and process |
| 03/30/2006 | US20060065594 Dental amalgam separator |
| 03/30/2006 | US20060065593 Induced sludge bed anaerobic reactor |
| 03/30/2006 | DE202005015232U1 Small-scale waste water treatment assembly for e.g. remote settlement has air inlet and ventilator fan discharge to outlet |
| 03/30/2006 | DE102004062915A1 Carrier for keeping water or waste water in motion in biological purification or treatment plant, providing high material conversions, with microbial layer growth surface and structured external surface |
| 03/29/2006 | EP1639101A2 Odor control compositions and methods |
| 03/29/2006 | EP1638897A2 Method of degrading tbp using a photosynthetic bacterial strain |
| 03/29/2006 | EP1252109B1 Water purification process and purification plant |
| 03/29/2006 | EP1210407B1 Bacterial consortium ebc1000 and a method using the bacterial consortium ebc1000 for remedying biologically recalcitrant toxic chemicals contained in industrial wastewater, waste materials and soils |
| 03/29/2006 | CN2767434Y Two-kind sludge denitrification and dephosphorization experiment device |
| 03/29/2006 | CN2767433Y Ecological concrete purifying trough at running water shore |
| 03/29/2006 | CN2767432Y Anaerobic ammoxidation experimental device for waste water biological denitrification |
| 03/29/2006 | CN2767431Y Bioreactor for effluent treatment |
| 03/29/2006 | CN1753839A Sewage treatment system |
| 03/29/2006 | CN1752035A City water body pollution purification type ecology choreside area construction technology |
| 03/29/2006 | CN1752034A Boitrickling filter deodourization system of sewage chemical off odour and its deodour method |
| 03/29/2006 | CN1752033A High efficiency method of treating household sewage by artificial wet land |
| 03/29/2006 | CN1751780A Outside circulation gas lift type membrane reactor |
| 03/29/2006 | CN1247472C Organic waste liquid treatment method and apparatus |
| 03/29/2006 | CN1247471C Method and apparatus for purifying and utilizing sewage for sustainable development type city |
| 03/29/2006 | CN1247470C SBR alternant aerobic/anaerobic technology for biological denitrification and real time control device and method thereof |
| 03/28/2006 | US7018536 utilizes aerobic bacteria in two separate compartments to break down and digest waste and is much more efficient than those that use the much slower acting anaerobic bacteria |
| 03/28/2006 | US7018534 for the control of biomass growth on suspended media within fluidized-bed bioreactors. |
| 03/28/2006 | US7018530 Apparatus for biological treatment of waste waters |
| 03/23/2006 | WO2006031757A1 Energy production from the treatment of organic waste material comprising immiscible polymer blend membrane |
| 03/23/2006 | WO2006031394A2 Phased activated sludge system |
| 03/23/2006 | WO2006030164A1 Treating pollutants by photoleaching |
| 03/23/2006 | WO2006030081A1 Effluent treatment installation and clarification and filtration method using same |
| 03/23/2006 | US20060060529 Chemical cleaning backwash for normally immersed membranes |
| 03/23/2006 | US20060060528 Liquid waste is dissolved with oxygen under a first pressure higher than atmospheric; the waste is then depressurized and contacted with a biofilm |
| 03/23/2006 | US20060060527 Petrol-biochemical method for the treatment and prevention of oil-in-water and water-in-oil emulsions in oil-wells and surface equipment |
| 03/23/2006 | US20060060526 Fragmenting a biomass; hydrolyzing the fragmented biomass;separately acidifying the hydrolyzed biomass;separately generating methane from the acidified biomass, wherein the hydrolyzing, the acidifying, and the generating of methane are performed successively on the biomass |
| 03/23/2006 | US20060060525 Method and apparatus for treating animal waste and wastewater |
| 03/23/2006 | US20060060524 Flooded densified leachbed anaerobic digestion |
| 03/23/2006 | US20060060523 Tertiary filter septic system and method |
| 03/23/2006 | DE102004043815A1 Verfahren zur direkten selektiven Wahl eines gewünschten, niedrigen Schlammindex bei kontinuierlichen Belebtschlammverfahren Selective method for the direct election of a desired low sludge index for continuous activated sludge process |
| 03/23/2006 | DE102004043814A1 Verfahren zur selektiven Wahl eines gewünschten, niedrigen Schlammindex beim Belebtschlammverfahren mittels externer Schlammselektion A process for selectively choosing a desired low sludge index in the activated sludge process by means of external sludge selection |
| 03/23/2006 | DE102004036678A1 Vorrichtung zum Belüften von Wasser Apparatus for aerating water |
| 03/23/2006 | CA2579342A1 Effluent treatment installation and clarification and filtration method using same |
| 03/22/2006 | EP1636141A1 A process for the biological treatment of ammonium-rich aqueous media |
| 03/22/2006 | EP1636140A1 Small-scale treatment unit for waste water |
| 03/22/2006 | CN1750998A Method for treating water containing ammonium-nitrogen |
| 03/22/2006 | CN1749188A Method and apparatus for treating organic liquid waste |
| 03/22/2006 | CN1749187A Combined alternative flow integrated biological reactor and method for treating waste water therewith |
| 03/22/2006 | CN1749184A Method for processing city waste water and industrial organic waste water |
| 03/22/2006 | CN1749183A Method for denitrifying downward flow granular mud bed |
| 03/22/2006 | CN1749177A Electric biological processing device and method for waste water containing heavy metal ion and non-degradable organism |