| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
|---|
| 07/20/2000 | WO2000041802A1 Device and method for the treatment of contaminated media |
| 07/20/2000 | WO2000041801A1 Gas-liquid mixing device |
| 07/19/2000 | EP1020512A2 Urea-surfactant clathrates |
| 07/19/2000 | EP1020409A1 A sewage treatment system |
| 07/19/2000 | EP1020408A1 Clean water system and its structure |
| 07/19/2000 | EP1019330A1 Method for controlling aeration systems of biological tanks treating waste water |
| 07/19/2000 | EP1019329A1 Method for evaluating and controlling the biomass contained in waste water treatment biological tanks |
| 07/19/2000 | EP1019328A1 Method for controlling and managing the biomass store of biological installations treating waste water |
| 07/19/2000 | EP1019327A1 Method for eliminating a nitrogenated heterocyclic, or aromatic, compound in an effluent |
| 07/19/2000 | EP0639160B1 Apparatus for dissolving a gas into and mixing the same with a liquid |
| 07/19/2000 | CN2388194Y Free-swinging filling structure |
| 07/18/2000 | US6090287 Laboratory method used for bioremediation |
| 07/18/2000 | US6090277 Reactor for the depuration of polluted waste waters |
| 07/14/2000 | CA2259673A1 Method and apparatus for anaerobic digestion of organic wastes |
| 07/13/2000 | WO2000040514A1 Method for abating the content of undesirable organic compounds in industrial waste effluents for recycling |
| 07/13/2000 | DE19838488A1 Monitoring an aerobic water clarification system by measuring the compressor delivery pressure |
| 07/12/2000 | EP1018489A2 Method for treating waste water |
| 07/12/2000 | EP1017638A1 Waste water treatment system |
| 07/12/2000 | EP0930931A4 Modular filtration system |
| 07/12/2000 | CN2387105Y Pressure type membrane filtering and discharging anaerobic reactor |
| 07/12/2000 | CN2387104Y Purifying contact filtering material for sewage |
| 07/12/2000 | CN1259491A City sewage treatment technology |
| 07/12/2000 | CN1259490A Biological filtering water treatment equipment |
| 07/12/2000 | CN1259489A Method and equipment for treating waste water contg. phosphate radical ion |
| 07/11/2000 | US6087159 Odor control system |
| 07/11/2000 | US6086766 Process and apparatus for biological treatment of aqueous organic wastes |
| 07/11/2000 | US6086765 Using a closed cylindrical vessel comprising an uppermost aerobic zone, an anoxic zone and a lowermost anaerobic zone |
| 07/11/2000 | US6086755 A float having a terrestrial plant mounted in a float aperture free of soil, and nitrogen-converting bacteria deposited on the mesh; biodegradation, bioremediation |
| 07/06/2000 | WO2000039406A2 Method and device for cleaning up ground water |
| 07/06/2000 | WO2000039036A1 Method for treatment of organic material in a two-step anaerobic biochemical reactor |
| 07/06/2000 | WO2000039035A1 Process for the treatment of waste water containing heavy metals |
| 07/06/2000 | WO2000039034A1 Method for treating an effluent using simultaneous nitrification/denitrification in a trickling filter |
| 07/06/2000 | WO2000039033A1 Device for the aerobic microbiological treatment of waste water |
| 07/06/2000 | WO2000039032A1 Biocatalysi's plant for the sinergetic treatment of waste water |
| 07/06/2000 | WO2000039031A1 Advanced treatment for produced water |
| 07/06/2000 | DE19963275A1 Biological treatment of water containing ammonium perchlorate comprises sequential aerobic nitrification and anoxic denitrification and perchlorate reduction |
| 07/06/2000 | DE19906392C1 Determining the concentration of nitrogen in water by subtraction of measured partial pressure of other gases in enclosed chamber |
| 07/06/2000 | DE19860349A1 New small-scale waste water treatment plant for single, small remote dwellings is subject to only occasional use and renders water fit for discharge |
| 07/06/2000 | DE19859054A1 Verwendung von Öl-in-Wasser-Emulsionen in aeroben biologischen Kläranlagen Use of oil-in-water emulsions in aerobic biological wastewater treatment plants |
| 07/06/2000 | CA2356903A1 Device for the aerobic microbiological treatment of waste water |
| 07/06/2000 | CA2355180A1 Method for treatment of organic material |
| 07/05/2000 | EP1016633A1 Process for the treatment of waste water containing heavy metals |
| 07/05/2000 | EP1015390A1 Bioreactor control |
| 07/05/2000 | EP1015388A1 Method for inhibiting biogenic sulfide generation |
| 07/05/2000 | EP1015102A1 Improved mixing and aerating apparatus |
| 07/05/2000 | EP1015101A1 Aeration diffuser |
| 07/05/2000 | CN1054110C Apparatus for treating activated sludge |
| 07/04/2000 | US6084150 Anaerobic bioremediation of contaminated soil sample to yield methane, carbon dioxide and acetate nitroaromatic degradation products; detoxification |
| 07/04/2000 | US6083737 Enzyme-producing strain of Bacillus pumilus |
| 07/04/2000 | US6083407 Microporous diffusion apparatus |
| 07/04/2000 | US6083397 Clip for the support of a dropline in an aerated wastewater treatment tank |
| 07/04/2000 | US6083396 Injecting coagulant into water; monitoring presssure reduction |
| 07/04/2000 | US6083395 Method of treating a waste water containing organic solids |
| 07/04/2000 | US6083394 Composition and method for dehalogenation and degradation of halogenated organic contaminants |
| 07/04/2000 | US6083386 Holding waste water; circulation |
| 06/29/2000 | WO2000037369A1 Submerged membrane bioreactor for treatment of nitrogen containing water |
| 06/29/2000 | WO2000037368A1 Utilization of oil-in-water emulsions in aerobic biological sewage treatment plants |
| 06/29/2000 | WO2000037366A1 Method and installation for sanitizing surface water |
| 06/29/2000 | DE19962722A1 Removal of ethers, e.g. gasoline additive methyl tert. butyl ether, from aqueous effluents by aerobic degradation using Gordona terrae or Rhodococus equi strain grown in presence of substrate |
| 06/29/2000 | DE19860568A1 Verfahren und Anlage zur Sanierung von Oberflächengewässern Method and apparatus for improvement of surface waters |
| 06/29/2000 | DE19859862A1 Verfahren und Vorrichtung zur Grundwassersanierung mittels Dichtwand-Heber-Reaktor Method and apparatus for groundwater remediation using cut-off wall-lift reactor |
| 06/29/2000 | DE19859665A1 Process to treat water effluent arising from fertilizer production dispenses with need for external carbon sources |
| 06/29/2000 | DE19859542A1 Waste water treatment basin sub-divided by blocks for simultaneous nitrification and de-nitrification without mixer assemblies |
| 06/29/2000 | CA2355087A1 Submerged membrane bioreactor for treatment of nitrogen containing water |
| 06/29/2000 | CA2353952A1 Use of oil-in-water emulsions in aerobic biological sewage treatment plants |
| 06/28/2000 | EP1013613A1 Process for the biological purification of waste waters containing phosphorus |
| 06/28/2000 | EP1012254A1 Method for reducting bioavailability of lead by a lead-sequestering soil bacterium |
| 06/28/2000 | EP1012253A1 Reaction sites for microorganisms used to biodegrade contaminants and methods of use |
| 06/28/2000 | EP1012121A1 Process, using ammonia rich water for the selection and enrichment of nitrifying micro-organisms for nitrification of wastewater |
| 06/28/2000 | EP1012120A1 Treatment of acidic water containing dissolved ferrous cations |
| 06/28/2000 | EP0854844B1 Biological method of treating sewage containing high concentrations of sludge |
| 06/28/2000 | CN2384947Y Honeycomb carrier fixed cell airlift internal circulating biological reactor |
| 06/28/2000 | CN1258267A Process for waste water treatment using intermittently decanted extended aeration process |
| 06/28/2000 | CN1258266A Waste treatment system |
| 06/28/2000 | CN1258265A System for recovering waste water |
| 06/27/2000 | US6080572 Sulphate-reducing bacterial strains and their use in the decontamination of water contaminated with sulphuric acid, metals and radioactive substances |
| 06/22/2000 | WO2000035816A1 Biodegradation of thiocyanate and cyanide |
| 06/21/2000 | EP1010670A1 Wastewater treatment plant for effluents, liquid or gas, at least one unit of treatment being in the form of a flexible tank |
| 06/21/2000 | EP1009721A1 Method for biological purification of waste water by the activated sludge method and apparatus for carrying out the method |
| 06/21/2000 | DE19950936A1 Process and assembly to treat residential waste water by capillary action between filter layer and drainage zone |
| 06/21/2000 | DE19857806A1 Use of aluminosilicate material for purifying water, especially for reducing the nitrate content of water. |
| 06/21/2000 | DE19853906A1 Process and assembly to treat especially refuse tip leachate containing ammonia and suitable for universal use |
| 06/21/2000 | CN2383839Y Bionic thin-shell jet controlled biologic purifying pot |
| 06/21/2000 | CN1257047A Method for treating waster water of alkaline residul from oil refinery |
| 06/21/2000 | CN1257043A Device and method for treating water containing phosphoric acid ion |
| 06/20/2000 | US6077432 Bio-degradation of ammonium perchlorate, nitrate, hydrolysates and other energetic materials |
| 06/20/2000 | US6077430 Treatment of sewage by a biological route and a physicochemical route which employs biological dephosphatation |
| 06/20/2000 | US6077429 Bacterial removal of perchlorate and nitrate |
| 06/20/2000 | US6077424 Method for aerobically treating wastewater and a treatment tank for such method |
| 06/20/2000 | US6076812 Mixing and aeration unit |
| 06/20/2000 | CA2065350C Process and apparatus for biological reactor to purify water |
| 06/15/2000 | WO2000034773A1 APPARATUS AND METHOD FOR MEASURING NOx AND NITRIFICATION/DENITRIFICATION RATES IN BIOCHEMICAL PROCESSES |
| 06/15/2000 | WO2000034191A1 Method and installation for treating sludge derived from biological purification plants |
| 06/15/2000 | WO2000034189A1 Method for treating a waste stream using photosynthetic microorganisms |
| 06/15/2000 | WO2000034188A1 Biological nutrient removal using 'the olaopa process' |
| 06/15/2000 | WO2000034187A1 A method and a bio reactor for use in the purification of water, and a bio-element for use in this connection |
| 06/15/2000 | WO2000033939A1 Collecting processing and disposing of car and industrial toxic emissions |
| 06/15/2000 | DE19836112C1 Sunken plastic tubing, particularly for the oxidation of sewage or clarification ponds, with inbuilt weights and reagent dispensing perforations that deform to provide uniform flows over a long length |
| 06/14/2000 | EP1008850A1 Methanation activity measuring instrument |
| 06/14/2000 | EP1008560A1 Biological removal of phosphorus from waste water |