| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 06/14/2000 | EP1008559A1 Method of treating animal waste |
| 06/14/2000 | EP1008558A1 A method for treating organic waste water |
| 06/14/2000 | EP1007482A1 Method and device for purifying waste water comprising an additional sludge treatment by ozonation |
| 06/14/2000 | EP1007481A1 Integrated wastewater treatment system with induced sludge velocity |
| 06/14/2000 | EP0796114A4 Biofilm avoidance and removal process and composition |
| 06/14/2000 | EP0743925B1 Novel compositions and methods for water treatment |
| 06/14/2000 | EP0668246B1 Process using the strains of Acinetobacter species (Bicoccum), Arthrobacter species and Rhodococcus species for the biological treatment of oil pollution |
| 06/14/2000 | CN1256253A Biological acid process for separating lignin from alkaline paper-making black liquor |
| 06/13/2000 | US6074558 Biochemical treatment of bitumen froth tailings |
| 06/13/2000 | US6074491 Parts washing system |
| 06/13/2000 | US6074451 Selective multiplication of antagonistic actinomycetes bacteria in the soil to suppress the growth of pathogenic bacteria, preventing the common scab of potato |
| 06/08/2000 | WO2000032523A1 Purification system for disposal of polluted or waste water using water plants |
| 06/08/2000 | WO2000032522A1 Biological treating apparatus for tannery waste water and for reduction of its sludge |
| 06/08/2000 | WO2000018691A3 Phosphate removal process |
| 06/08/2000 | DE19855967A1 Aerobic micro-organism treatment of aqueous effluent emulsions, particularly of metal working coolant/ lubricants, under nutrient restricted biological growth conditions |
| 06/08/2000 | DE19848346A1 Verfahren zum Rückhalten von in Wasser suspendierten, Biomasse bildenden Mikroorganismen in einem Becken Method for retaining suspended in water, biomass-producing microorganisms in a basin |
| 06/07/2000 | EP1006191A2 DNA encoding toluene monooxygenase, method for degrading chlorinated aliphatic hydrocarbons and aromatic compounds and method for environment remediation |
| 06/07/2000 | EP1005898A1 Enhanced gas dissolution |
| 06/07/2000 | EP1005391A1 Process for preparation of vesicles |
| 06/07/2000 | EP0885172B1 Method for the treatment of a liquid in a capillary fixed-bed reactor |
| 06/07/2000 | EP0883575B1 Method of treating an acid solution |
| 06/07/2000 | CN2381633Y Spherical rotation carrier for living things |
| 06/07/2000 | CN1053168C Floating filler support |
| 06/07/2000 | CN1053167C Hydrated granular carrier for biological treatment appts. and method for producing same |
| 06/06/2000 | US6071418 Manure treatment system |
| 06/06/2000 | US6071407 Magnetic separation |
| 06/02/2000 | WO2000030984A1 A reactor and process for biologically treating sewage |
| 06/02/2000 | WO2000030742A1 Water filtration using immersed membranes |
| 05/31/2000 | EP0958249A4 A process and apparatus for treating waste water |
| 05/31/2000 | EP0888255B1 Aerobic long vertical shaft bioreactors |
| 05/31/2000 | EP0853594B1 Submersible mixing impeller |
| 05/31/2000 | CN2380563Y Jacketed constant-temp. anaerobe-cultivation testing apparatus |
| 05/31/2000 | CN1255108A Method for treating waste water, especially from and malt houses and breweries |
| 05/30/2000 | US6068774 Using pseudomonas; aeration |
| 05/30/2000 | US6068773 Single-cell wastewater reclamation and reuse system |
| 05/30/2000 | CA2268609C Storage basin cover |
| 05/25/2000 | WO2000029605A1 Process for the production of hydrogen sulphide from elemental sulphur and use thereof in heavy metal recovery |
| 05/25/2000 | WO2000029336A1 Biochemical treatment of bitumen froth tailings |
| 05/25/2000 | CA2350927A1 Biochemical treatment of bitumen froth tailings |
| 05/24/2000 | EP1002768A1 Method and apparatus for sludge reduction in a waste water treatment system |
| 05/24/2000 | EP1001840A1 Gas-liquid venturi mixer |
| 05/24/2000 | EP0839120B1 Method and apparatus for contacting gas and liquid |
| 05/24/2000 | CN2379465Y Bubble tower for biotreatment of wastewater having punched flow guiding tube |
| 05/24/2000 | CN1254382A Bioluminescent reporter bacterium and methods for toxicity monitoring in biological wastewater treatment systems |
| 05/24/2000 | CN1253917A House refuse and sewage source head comprehensive zero tendency treatment method and its system |
| 05/24/2000 | CN1253916A Denitrogenation filter and its denitrogenation method |
| 05/23/2000 | US6066257 Water treatment |
| 05/23/2000 | US6066256 Biological solubilization process for converting contaminated sludge into enriched biosolids |
| 05/23/2000 | CA2165154C Filler body and method for its manufacture |
| 05/23/2000 | CA2162301C Apparatus and process for biological wastewater treatment with controlled addition of carbonaceous organic substrates in the anoxic phase |
| 05/23/2000 | CA2149414C Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
| 05/18/2000 | WO2000027763A1 Wastewater treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using thereof |
| 05/18/2000 | WO2000027498A1 Device for withdrawing clarified water from clarification plants with a discontinuous operation |
| 05/17/2000 | EP0999997A1 Process and apparatus for decoloring liquids and water product thereof |
| 05/17/2000 | EP0788394B1 Process for the treatment of contaminated material |
| 05/17/2000 | CN2378390Y Hydrolytic aerobic bios sewage treatment integral reactor |
| 05/16/2000 | US6063280 Biodegradation of methanesulfonic acid |
| 05/16/2000 | US6063279 Pollution apparatus for water purification |
| 05/16/2000 | US6063273 Culture for purification of water, aerobic sludge blanket and reactor |
| 05/16/2000 | US6063271 Portable waste water treatment plant |
| 05/16/2000 | US6063268 Containment of water treatment medium |
| 05/11/2000 | WO2000026341A1 A mixed microbial population designated as jsb 98.0 capable of degrading fecal material of animals |
| 05/11/2000 | WO2000026337A1 Method and apparatus for controlled composting and bioremediating |
| 05/11/2000 | WO2000007940A3 Method and device for separating biomass from water |
| 05/11/2000 | DE19851397A1 Process to test organic residues from food industries provides detailed information on break-down processes |
| 05/11/2000 | DE19849697A1 Rohrbegaser und damit durchführbares Flüssigkeits-Begasungsverfahren Tube aerators and thus feasible liquid fumigation |
| 05/10/2000 | EP0999187A1 Device for introducing gas into solid-liquid mixtures and liquids |
| 05/10/2000 | EP0999186A2 Process for the purification and treatment of liquids resulting from the cleaning of tank and silo road vehicles, railway tank wagons and tankers |
| 05/10/2000 | EP0998430A1 Method and device for the biological treatment of a fluid with biogas generation |
| 05/10/2000 | EP0706500B1 Method for increasing the capacity of sewage treatment plant |
| 05/10/2000 | CN1252389A Marine two-propeller oxygen inflator |
| 05/10/2000 | CN1252387A Stuffing and filtering material loosening and washing method |
| 05/10/2000 | CN1052211C Method for treatment of waste water containing pentaerythritol |
| 05/09/2000 | US6060265 Methods for the detoxification of nitrile and/or amide compounds |
| 05/09/2000 | US6059973 Reducing odors |
| 05/09/2000 | US6059971 Centrifuge |
| 05/09/2000 | US6059963 Supported container containing degrading yeast microorganisms |
| 05/09/2000 | CA2139863C Microbial mediated method for soil and water treatment |
| 05/04/2000 | WO2000025024A1 Electromagnetic blower and two-channel air supply device |
| 05/04/2000 | WO2000024682A1 Nitrification process |
| 05/04/2000 | WO2000024681A1 Water tank for purifying sewage by microbes, and method of installing microbe carrier in the water tank |
| 05/04/2000 | DE19860942C1 Waste water aerobic micro-biological treatment assembly minimizes the quantity of sludge for final disposal without sacrifice of water quality |
| 05/04/2000 | DE19860934C1 Fermentation reactor incorporates electrolysis-enhanced oxygen supply promoting the metabolic processes |
| 05/03/2000 | EP0997442A1 Process for the biological treatment of polluted waters and treatment plant for carrying it out. |
| 05/03/2000 | EP0997441A2 Procedure and apparatus for the treatment of domestic sewage under extended aeration |
| 05/03/2000 | EP0997183A1 Process and device for introducing gas into liquids |
| 05/03/2000 | EP0996497A1 Device and process for liquid treatment |
| 05/03/2000 | CN2376470Y Biological water filter |
| 05/03/2000 | CN1251826A Equipment and process for clarifying daily-life sewage |
| 05/02/2000 | US6057268 Solid form compositions for treating natural bodies of water |
| 05/02/2000 | US6057147 Continuous process by circulating solution of achromobacter, actinobacter, alcaligenes, arthrobacter, bacillus nocardia, flavobacterium, and/or peudomonas, screening to remove grit, aerating and heating to culture, removing sediment |
| 05/02/2000 | US6056876 Method and apparatus for wastewater treatment |
| 04/29/2000 | CA2287998A1 Residual water treatment microplant for small flows |
| 04/27/2000 | DE19903180A1 Microbial consortium useful for decontaminating materials contaminated with mineral oil hydrocarbons comprises six bacterial strains |
| 04/26/2000 | EP0995721A2 Process for retaining in a basin biomass-forming microorganisms in water suspension |
| 04/26/2000 | EP0995485A1 Apparatus for stirring a liquid in a reactor and for injecting a gas in this liquid |
| 04/26/2000 | EP0977663A4 Sintered porous plastic products and method of making same |
| 04/26/2000 | EP0628073B1 Ionic binding of microbial biomass |
| 04/26/2000 | CN2375629Y Dished aerator disk |
| 04/26/2000 | CN1251563A Sulfide evolution inhibitors |