| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 04/03/2001 | US6210580 Automatic, fail-safe |
| 04/03/2001 | US6210579 Bioremediation of pollutants with butane-utilizing bacteria |
| 04/03/2001 | US6210578 Residual water treatment microplant for small flows |
| 04/03/2001 | US6209856 Gas-liquid processing apparatus |
| 04/03/2001 | US6209855 Gas/liquid mixing apparatus and method |
| 03/29/2001 | WO2001021535A1 Method for eliminating organic material resistant to biological treatment |
| 03/29/2001 | WO2001021332A1 Method for decomposing refractory hazardous substance and decomposing agent |
| 03/29/2001 | WO2001020976A1 Waste-water purification in cattle-breeding systems |
| 03/29/2001 | DE19945985A1 Waste water treatment assembly for remote settlements not linked to public utilities |
| 03/29/2001 | DE19944389A1 Verfahren zur Belüftung von Abwasser, dafür geeignete Belüftungseinrichtung und mit der Belüftungseinrichtung ausgestattetes Belebungsbeckung mit ungünstigem Fläche/Tiefe-Verhältnis A method for ventilation of wastewater for appropriate ventilation device and equipped with the ventilation device Belebungsbeckung with an unfavorable surface / depth ratio |
| 03/28/2001 | EP1086929A1 Process for recycling water in a at least partially closed water cycle |
| 03/28/2001 | EP1086051A1 Aerated pond wastewater treatment system and process |
| 03/28/2001 | CN2425087Y Multi-stage box isolated gate biological carrier sewage treatment device |
| 03/28/2001 | CN2425086Y Microporous changeable aeration disk |
| 03/28/2001 | CN2425085Y Improved aeration rotary disk with oxidation channel |
| 03/28/2001 | CN1289313A Method and device for the biological treatment of a fluid with biogas generation |
| 03/28/2001 | CN1288866A Serially anerobic-aerobic-anerobic sowage treatment technology uisng a vertical deflecting biochemical reactor |
| 03/28/2001 | CN1288865A Anerobic sowage treatment technology using a vertical deflecting biochemical reactor |
| 03/28/2001 | CN1288864A Domestic sewage treating system |
| 03/28/2001 | CN1288863A Aerobic sewage treatment technology using a vertical deflecting biochemical reactor |
| 03/28/2001 | CN1063676C Gas introduction device |
| 03/27/2001 | US6207056 Growing microbiological culture in portable apparatus at site of grease trap in presence of organic nutrient chemically similar to waste product, periodically discharging culture into trap to control accumulation of waste product |
| 03/27/2001 | US6207054 Method of biologically cleaning polluted water |
| 03/27/2001 | US6207047 Wastewater treatment system |
| 03/27/2001 | US6205708 Treatment material pumping system |
| 03/22/2001 | WO2001019738A1 Method and device for aerating waste water, suited as an activated-sludge tank with an unfavorable surface/depth ratio |
| 03/21/2001 | EP1084084A1 Biological purification of water to any degree up to and drinking water |
| 03/21/2001 | EP1084083A2 Filtering plant for waste water |
| 03/21/2001 | EP1084082A2 Method for cleaning waste water from the production of agar-agar |
| 03/21/2001 | EP0874784B1 A method and apparatus for maintaining solids in suspension in a liquid |
| 03/21/2001 | CN1288446A Waste water treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using same |
| 03/21/2001 | CN1287976A Biological water purification agent and method for preparing same |
| 03/20/2001 | US6203703 Method and system for bioremediation of hydrocarbon contaminated water |
| 03/20/2001 | US6203702 Animal waste treatment system |
| 03/20/2001 | US6203701 Process and apparatus for treating biosolids from wastewater treatment |
| 03/20/2001 | US6203700 Process for treating metal-containing acid water |
| 03/15/2001 | WO2001018188A2 Apparatus generating oxygenated chemical radicals and industrial applications thereof |
| 03/15/2001 | WO2001017917A1 Method for treating waste water in a biological sewage plant and device appropriate therefor |
| 03/15/2001 | WO2001017660A2 System filter for pond water or the like |
| 03/15/2001 | WO2000043322A8 Sludge density measurement for controlling a sludge treatment stage |
| 03/15/2001 | US20010000008 Method and apparatus for treating organic waste water |
| 03/15/2001 | US20010000007 Solid liquid separation after aerobic biological treatment by precipitation into liquid and sludge; concentrating sludge and solubilizing by thermophilic bacteria; circulation |
| 03/15/2001 | DE19942802A1 Waste water treatment activated sludge aeration and mixer unit operates either as a surface mixer or as a full depth mixer and aeration unit |
| 03/15/2001 | DE19942188A1 Systemfilter für Teichwasser o. dgl. System filter for pond water o. The like. |
| 03/15/2001 | DE19942184A1 Verfahren zur Behandlung von Abwasser in einer biologischen Kläranlage und dafür geeignete Vorrichtung A method for treating wastewater in a biological sewage treatment plant and apparatus therefor |
| 03/15/2001 | DE19941834A1 Sub-surface ground water de-nitrification process involves addition of additives and microorganisms |
| 03/15/2001 | DE10040416A1 Waste water treatment plant removes phosphor compounds by coagulation |
| 03/14/2001 | EP1017638A4 Waste water treatment system |
| 03/14/2001 | CN2423278Y Reciprocating whirlwind high-speed anaerobe treatment reactor |
| 03/14/2001 | CN2423277Y Filling for sewage treatment |
| 03/14/2001 | CN1287540A Method and installation for treating waste water from oil seed and cereal processing |
| 03/14/2001 | CN1287102A Intermittent sewage feeding and intermittent aerobic active sludge sewage treatment process |
| 03/14/2001 | CN1287101A Raw refuse treatment system |
| 03/13/2001 | US6200476 Method an device for introducing oxygen into water or aqueous solutions |
| 03/13/2001 | US6200472 Three stage sewage treatment system |
| 03/13/2001 | US6200470 Sub-soil domestic wastewater treatment apparatus having multiple aeration chambers |
| 03/13/2001 | US6200469 System for removing pollutants from water |
| 03/13/2001 | US6200468 Aeration system apparatus with source of in situ cleaning agent and pressure monitoring connection for submerged diffuser |
| 03/08/2001 | WO2001016035A2 A portable waste liquid treatment container |
| 03/08/2001 | WO2001016034A1 Pond filter |
| 03/08/2001 | DE19920269A1 Reduction of amount of overflow sludge from clarifying or settling plant by direct ozonization of the biological activation stages |
| 03/07/2001 | EP1081100A1 Waste water treatment apparatus |
| 03/07/2001 | EP1081099A1 Bioremediation process using bacterivorous protozoa |
| 03/07/2001 | EP1080043A1 Improvements to sealed reservoirs for methanation or storage in corrosive atmosphere |
| 03/07/2001 | EP1079913A1 Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof |
| 03/07/2001 | CN2422281Y Ceramic super-microporous ozone aeration device |
| 03/07/2001 | CN1286225A Sewage treating device and coalescence settling device |
| 03/07/2001 | CN1286221A Sewage treating device |
| 03/06/2001 | US6197203 Cleaning a membrane filter in a filtration tank into which air is blown by deactivating algae and spores, decomposing them with microorganisms aerating and filtrating; antifouling agents; swimming pools; water and sewage systems; rivers |
| 03/06/2001 | US6197196 Treatment of water |
| 03/01/2001 | WO2001014526A1 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 |
| 03/01/2001 | WO2001014524A1 Fat-degrading bacillus and waste water treatment process by using the same |
| 03/01/2001 | WO2001014260A1 Combined purification and resorption methods for use in artificial soils reactors |
| 03/01/2001 | WO2001014259A1 A method and apparatus for reducing pollution from run-off water from highways |
| 03/01/2001 | WO2001014258A1 Electrolytic water treatment with rotating radial electrodes |
| 03/01/2001 | WO2001014257A1 Microbiological water filter |
| 03/01/2001 | WO2000071236A8 Counterbalanced dual submarine-type liquid mixer pairs |
| 03/01/2001 | DE19941457A1 Filter removing pollutants from standing waters, e.g. ponds, lakes and aquaria, contains spun plastic yarn filter material, interspaces of which are populated with microorganisms |
| 03/01/2001 | DE19937876A1 Production of methane gas, e.g. from brewery waste streams, comprises two-step process which has improved conversion of organic materials and improved bacterial growth rates |
| 03/01/2001 | DE10040417A1 Below-ground waste water treatment unit removing phosphorus, includes sacrificial iron or aluminum electrodes providing electrolytic treatment to waste water |
| 02/28/2001 | EP1078903A2 Human waste treatment system |
| 02/28/2001 | EP1078886A2 Fixed bed for the biological treatment of wastewater and process for inspecting the same |
| 02/28/2001 | CN1285324A Automatic controller for sewage treatment process |
| 02/28/2001 | CN1285322A Urban underground pipeline type sewage treatment equipment |
| 02/28/2001 | CN1285321A Urban Underground pipeline type sewage treatment method |
| 02/28/2001 | CN1285320A Technology and equipment for water treatment of flow through type membrane biological reactor |
| 02/28/2001 | CN1285233A Superfilter membrane type separator |
| 02/27/2001 | US6194198 Device for purifying gases, such as air in particular, or liquids, such as water in particular, and method for use with the device |
| 02/27/2001 | US6194197 Bioremediation of xenobiotics including methyl tert-butyl ether |
| 02/27/2001 | US6193889 Water polution control system including a lagoon in which separated wastewater is aerobically digested by propagated aerobic bacteria and subsequently clarified and disinfected to provide drinking water for livestock |
| 02/27/2001 | US6193220 Diffused aeration system |
| 02/27/2001 | CA1341186C Pellet media to support growth of microorganisms and systems for utilization of same |
| 02/23/2001 | CA2316065A1 Human waste treatment system |
| 02/22/2001 | WO2001012563A1 Method and device for biologically purifying waste water |
| 02/22/2001 | WO2000063125A3 Method for conditioning water contaminated with halogenated hydrocarbons |
| 02/22/2001 | DE19939679A1 Waste water purification device comprises clarification basin with solid material accumulation area and outlet fitted with closing device which leads to solids collection area |
| 02/22/2001 | DE19939674A1 Festbett zur biologischen Abwasserreinigung und Verfahren zum Inspizieren des Festbettes Fixed-bed biological wastewater treatment and method for inspecting the fixed bed |
| 02/22/2001 | DE19938818A1 Small, aerobic waste water treatment plant especially suitable for hot fatty effluent from fast food restaurants, has special provision for addition and mixing of flocculating additives |
| 02/22/2001 | DE19938016A1 Verfahren und Vorrichtung zur biologischen Abwasserreinigung Method and device for biological sewage purification |
| 02/22/2001 | DE19931085A1 Verfahren und Vorrichtung zum Reinigen von Abwasser Method and device for purifying waste water |