| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/22/2001 | DE19812520C2 Biologische Kleinkläranlage mit integriertem Schaltschrank Biological wastewater treatment plant with integrated control |
| 02/21/2001 | EP1077252A1 Microbial culture liquors containing microorganisms differing in characteristics and living in symbiosis and metabolites thereof, carriers and adsorbents containing the active components of the culture liquors and utilization of the same |
| 02/21/2001 | EP1015102A4 Improved mixing and aerating apparatus |
| 02/21/2001 | CN2420272Y Integrated two phase anaerobe treatment reactor |
| 02/21/2001 | CN2420271Y Rotary disc aerator |
| 02/21/2001 | CN2420270Y Safety micro porous film type aerator |
| 02/21/2001 | CN1284938A Method and plant for the treatment of liquid organic waste |
| 02/21/2001 | CN1284479A Anaerobic reactor with filtering and draining pressurized film |
| 02/21/2001 | CN1062241C Method for treatment of waste water in wet fields for planting xylophyta |
| 02/20/2001 | US6190903 Bacteria having ATCC No. 55926 or ATCC No. 202050 capable of biodegradation of wastes |
| 02/20/2001 | US6190646 Nutrient microemulsion in spray form, useful as a biodegradation accelerator |
| 02/20/2001 | US6190555 Apparatus and method for biological treatment of wastewater |
| 02/20/2001 | US6190554 Surge anoxic mix sequencing batch reactor systems |
| 02/20/2001 | US6190553 Filtration; plant purification |
| 02/20/2001 | US6190548 Multi-chambered treatment filter |
| 02/20/2001 | US6190526 Supplying co-metabolite; transmission direct current |
| 02/20/2001 | US6189262 Method of treating industrial waste water |
| 02/20/2001 | CA2025433C Treatment of water |
| 02/15/2001 | WO2001010787A1 An apparatus for treating wastewater |
| 02/15/2001 | WO2001010549A1 'moscat' sorbent used to purify water and soil contaminated by oil products |
| 02/15/2001 | DE19938248A1 Purification of waste water predominantly containing light materials such as fats and oils |
| 02/15/2001 | DE10004863A1 Separation of solids and liquid from sludge suspension using high efficiency, low cost agitated filter, passes flow of suspended air bubbles tangentially and turbulently past loosely-held filter membrane |
| 02/14/2001 | EP0759015B1 Wastewater pretreatment tank assembly |
| 02/14/2001 | CN2419203Y Aeration bio-filtering tower for sewage treatment |
| 02/13/2001 | US6187194 Packaged aeration and filtration system |
| 02/13/2001 | US6187193 Grease trap and method of decomposing edible oils and fats in the grease trap |
| 02/13/2001 | US6187192 Water containing bacteria and/or viruses is passed through a purification material composed of apatite and absorption media in a fixed binder matrix |
| 02/13/2001 | US6187183 Waste water treatment process and system with filtering media |
| 02/13/2001 | CA2222211C Microorganisms that decompose halogenated hydrocarbons and their use |
| 02/13/2001 | CA2018139C Biological wastewater purification with a downstream precipitation stage |
| 02/08/2001 | WO2001009048A1 Method for plant water treatment for at least one partially closed water circuit |
| 02/08/2001 | WO2001009047A1 Municipal waste-water treatment method |
| 02/08/2001 | WO2001009045A1 Hybrid chemical and biological process for decontaminating sludge from municipal sewage |
| 02/08/2001 | WO2001008790A1 Chemical cleaning backwash for immersed filtering membranes |
| 02/08/2001 | WO2001008789A2 Maintenance cleaning for membranes |
| 02/08/2001 | DE19935974A1 Fixed bed block for biological treatment of effluent comprises pipes made of material of lower specific weight than water and additional component of higher specific weight, increasing overall specific weight of block above that of water |
| 02/07/2001 | EP1073744A1 Multifunctional adhesin proteins and their display in microbial cells |
| 02/07/2001 | EP0946427A4 Biochemical media system for reducing pollution |
| 02/06/2001 | US6184014 Bacterial polyphenol oxidase from bacillus for use in oxidation of colored substances |
| 02/06/2001 | US6183644 Method of selenium removal |
| 02/06/2001 | US6183643 Method and apparatus for denitrification of water |
| 02/06/2001 | US6183642 Biological treatment of wastewater |
| 02/06/2001 | CA2166402C A device for aiding the solubilization of gases in liquids |
| 02/03/2001 | CA2279525A1 Hybrid biological and chemical process for decontaminating municipal sewage sludge |
| 02/01/2001 | WO1999051531A8 Waste treatment system and method |
| 01/31/2001 | EP1072560A1 Apparatus for aerating water with fine air bubbles |
| 01/31/2001 | EP1072559A2 Device for wastewater purification |
| 01/31/2001 | EP1071637A2 Method for treating process waste waters highly charged with ammonium in waste water systems |
| 01/31/2001 | EP1071636A1 Method and device for anaerobic purification of waste water using the uasb method |
| 01/31/2001 | EP0888253B1 Small-scale biological sewage treatment plant |
| 01/31/2001 | CN1281825A Pressure type membrane filtering drainage biochemical reactor |
| 01/31/2001 | CN1061324C Method and device for purifying sewage |
| 01/31/2001 | CN1061323C Continuous type air aeration sewage treatment method |
| 01/30/2001 | US6180396 Anaerobic fermentator for generating methane and carbon dioxide, a separator, a means for forming hydrogen from methane, a means for fixing carbon dioxide by reducing with hydrogen under presence of catalyst; pollution control |
| 01/30/2001 | US6180016 Mixture of apatite in binder |
| 01/30/2001 | US6180004 Interconnected tank assembly of a wastewater treatment system |
| 01/30/2001 | US6178566 Transportable waste collection and treatment toilet system |
| 01/30/2001 | CA2279766A1 Aeration system for submerged membrane module |
| 01/30/2001 | CA2268641C Method of gasifying or degasifying a liquid |
| 01/30/2001 | CA2179423C Hydrophobic bioremediants |
| 01/30/2001 | CA2173269C Apparatus and method for purifying polluted water |
| 01/29/2001 | CA2279087A1 Maintenance cleaning for membranes |
| 01/26/2001 | CA2278915A1 Waste water treatment apparatus and method |
| 01/25/2001 | WO2001005877A1 Aqueous polyvinyl alcohol gel, process for producing the same, and wastewater treatment apparatus |
| 01/25/2001 | WO2001005716A1 Microbiological removal of bromine salts from fluid streams |
| 01/25/2001 | WO2001005715A1 Biological process for removing phosphorus involving a membrane filter |
| 01/25/2001 | WO2001005714A1 Pateurizing sludge to exceptional quality |
| 01/25/2001 | WO2001005713A1 Method and apparatus for reduction of excess sludge |
| 01/25/2001 | DE19934890A1 Vorrichtung zum feinblasigen Belüften von Wasser Apparatus for fine bubble aeration of water |
| 01/25/2001 | DE19934409A1 Reducing the ammonium concentration of aqueous solutions comprises passing it through a reactor containing adsorption agent, passing activated sludge containing dissolved salt through the reactor by means of gas and rinsing |
| 01/24/2001 | EP1070507A1 Stalilization of biowastes |
| 01/24/2001 | EP1070030A1 Treatment of waste materials |
| 01/24/2001 | EP1070024A1 Wastewater treatment method for removing organic matter and nitrogen, carrier used thereof and method for manufacturing the carrier |
| 01/24/2001 | EP1070023A1 Surge anoxic mix sequencing batch reactor systems |
| 01/24/2001 | EP1070022A1 A device for the treatment of water |
| 01/24/2001 | EP1042230A4 Apparatus and process for water treatment |
| 01/24/2001 | EP0925258B1 Method for purifying carbon-containing pollution and denitrifying waste water in oxygenic medium |
| 01/24/2001 | CN2416096Y Lift microporous aerator |
| 01/24/2001 | CN1280873A Constant-flow ultrafiltration method and equipment thereof |
| 01/24/2001 | CA2314524A1 Apparatus for aerating water with fine bubbles |
| 01/23/2001 | US6177012 Waste water treatment |
| 01/23/2001 | US6177007 High efficiency apparatus for treating nitrogen and phosphorous contained in sewage |
| 01/23/2001 | US6177005 System for producing ultrapure water having a TOC density of no more than 0.5 ppb |
| 01/23/2001 | US6177004 Septic system filter apparatus |
| 01/20/2001 | CA2278085A1 Aeration system for submerged membrane module |
| 01/18/2001 | WO2001004626A1 An electrochemical method for enrichment of microorganism, a biosensor for analyzing organic substance and bod |
| 01/18/2001 | WO2001004061A1 A biofuel cell using wastewater and active sludge for wastewater treatment |
| 01/18/2001 | WO2001004060A2 Method of purifying water, suitable bacteria for the method and use thereof |
| 01/18/2001 | DE19933341A1 Small-scale effluent water treatment plant has internal panels for modification in response to changing requirements |
| 01/18/2001 | DE10034645A1 Monitoring and control process for biological sewage plant, useful for treating sewage of varying composition from industrial, agricultural, biological or communal source, uses neuronal network computer to generate control signals |
| 01/18/2001 | CA2378580A1 An electrochemical method for enrichment of microorganism, a biosensor for analyzing organic substance and bod |
| 01/18/2001 | CA2378558A1 A biofuel cell using wastewater and active sludge for wastewater treatment |
| 01/17/2001 | EP1068888A1 Filter assembly with bypass valve and indicator means |
| 01/17/2001 | EP1068153A1 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances |
| 01/17/2001 | EP1068152A1 Growth bodies for immobilizing microorganisms |
| 01/17/2001 | EP1015101A4 Aeration diffuser |
| 01/17/2001 | CN2415029Y Sewage treating device |
| 01/16/2001 | US6174718 Enzyme-producing strain of Bacillus bacteria |
| 01/16/2001 | US6174433 Household wastewater purification system |
| 01/16/2001 | CA2129845C Apparatus and method for treatment of waste water sludge |