| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/07/2007 | CN1923727A Application of waste ceramic as seepage-type organism bed filling and adsorbent for ammonia and nitrogen |
| 03/07/2007 | CN1923726A Method of treating refuse percolating liquid by aerobic nitration/inverse nitration and coagulated technology |
| 03/07/2007 | CN1923725A High efficiency separation membrane assembly for waste water treatment |
| 03/07/2007 | CN1923724A Aerating biological filter |
| 03/07/2007 | CN1923723A Composite fly ash filling and application thereof |
| 03/07/2007 | CN1923722A Landscape type composite under-current artificial wetland sewage treatment method |
| 03/07/2007 | CN1923721A Ecology treatment method of city overland runoff |
| 03/07/2007 | CN1923719A Ecology processing method for sewage of tourist spot animal hall |
| 03/07/2007 | CN1303017C Comprehensive treating method and treating system for industrial aquatic cultivation sewage |
| 03/07/2007 | CN1303015C Method for treating soil and aquatic lead, zinc, cadmium pollution by long pubescence potentilla chinensis |
| 03/07/2007 | CN1303014C Method for treating soil and aquatic lead, zinc, cadmium pollution by cone south mustard |
| 03/07/2007 | CN1303013C Biological treating method for decreasing comprehensive toxic of urban waste water |
| 03/07/2007 | CN1303012C Digesting treatment method for city domestic refuse and sludge of sewage plant by composite anaerobe |
| 03/07/2007 | CN1303011C Reactor with two gas separators and method for the anaerobic treatment of liquids |
| 03/07/2007 | CN1303010C Water discharge treatment system |
| 03/07/2007 | CN1303009C Cleaning type integrated effluent disposal system and operation method |
| 03/07/2007 | CN1302865C Kitchen refuse disposal system |
| 03/07/2007 | CN1302711C Functional water with deodorization activity and sterilization activity against multi-drug resistent bacteria, and a preparation method thereof |
| 03/07/2007 | CN1302706C Submerged aerator with multi-step mixing and separation function |
| 03/06/2007 | US7186343 Cyclic aeration system for submerged membrane modules |
| 03/06/2007 | US7186341 Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater |
| 03/06/2007 | US7186340 Perchlorate reduction and related water treatment methods |
| 03/06/2007 | US7186339 Anaerobic digester system for animal waste stabilization and biogas recovery |
| 03/06/2007 | US7186335 Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment |
| 03/06/2007 | US7186332 Orbital wastewater treatment system with combined surface aerator and submerged impeller |
| 03/06/2007 | US7186330 Disinfectant system for use with residential aerobic wastewater treatment plants |
| 03/01/2007 | WO2007024893A1 System and method for wastewater treatment |
| 03/01/2007 | WO2007023864A1 Bubble generator |
| 03/01/2007 | WO2007023170A1 Device and method for treating waste waters |
| 03/01/2007 | WO2007022899A1 Waste water purifying device |
| 03/01/2007 | WO2006128011A3 Anaerobic digestion process for low-solid wastes |
| 03/01/2007 | WO2006072845A3 Gram positive bacterial cells comprising a disrupted flagellin gene, flagellin-based fusion proteins and use in removal of metal ions from a liquid |
| 03/01/2007 | WO2005113456A3 Methods and systems for total nitrogen removal |
| 03/01/2007 | US20070045183 Purified water reclamation process |
| 03/01/2007 | US20070045182 Fats, Oil and Grease Interceptor |
| 03/01/2007 | US20070045181 System and method for treating wastewater |
| 03/01/2007 | US20070045180 System and method for treating wastewater |
| 03/01/2007 | US20070045179 System and method for introducing high pressure air into a wastewater treatment system |
| 03/01/2007 | US20070045178 System and method for wastewater treatment |
| 03/01/2007 | DE102005040849A1 Processing waste water, with simultaneous production of biogas, includes supplying partially purified waste water and/or clarified sludge, plus solid biomass, to fermenter of biogas plant |
| 03/01/2007 | DE102005040839A1 Clarification plant for processing waste water, preferably with simultaneous production of biogas, includes vessel for biological processing of sand trap sediment with sediment-specific bacteria |
| 03/01/2007 | DE102005040018A1 Vorrichtung und Verfahren zur Abwasserbehandlung Apparatus and method for waste water treatment |
| 03/01/2007 | CA2620824A1 Denitrification process and system |
| 02/28/2007 | EP1757662A2 Method for the production of highly organized crystals by means of sol-gel methods |
| 02/28/2007 | EP1757561A2 Pond filters |
| 02/28/2007 | EP1756013A1 Bioelectrolytical methanogenic/methanotrophic coupling for bioremediation of ground water |
| 02/28/2007 | EP1756012A1 Method for treating waters by means of a biological reactor in which the speed of continuously injectable air is adjustable and corresponding device |
| 02/28/2007 | EP1392608B1 Bioreactor for sewage and wastewater treatment |
| 02/28/2007 | EP1349641B1 Device and method for cleaning a fluid, such as water |
| 02/28/2007 | CN2873762Y Circulation batch type active waste mud reactor |
| 02/28/2007 | CN2873761Y Waste water oxygen charging and mixing jet nozzle |
| 02/28/2007 | CN2873760Y Pressure integrated film biological reaction waste water treating device |
| 02/28/2007 | CN2873759Y 复合生物过滤器 Complex biological filter |
| 02/28/2007 | CN2873758Y Microbial sleeve for treating organic waste water |
| 02/28/2007 | CN1922111A Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 02/28/2007 | CN1920004A Microorganism for controlling harm of oil field sulfate reductive bacterium and application thereof |
| 02/28/2007 | CN1919756A Processing method of collecting and displacing oil-field sewage and detritus sewage |
| 02/28/2007 | CN1919751A Method of processing high concentration basic chromium-containing wastewater with bacteria |
| 02/28/2007 | CN1919750A Intelligent type mid-water reuse device and cleaning method thereof |
| 02/28/2007 | CN1919749A Controlled biomembrane landscape wetland sewage purification system and technique |
| 02/28/2007 | CN1301922C Treating process for cow dung waste liquid |
| 02/28/2007 | CN1301921C Method of purifying fischer-tropsch derived water |
| 02/28/2007 | CN1301918C Method for treating urban serious rice-nutrient water body |
| 02/28/2007 | CN1301914C Technology for treating waste water generated by coking |
| 02/27/2007 | US7182871 Biodegradation with a bacteria, stimulating the bacteria growth with butane |
| 02/27/2007 | US7182859 Apparatus for treating organic waste |
| 02/22/2007 | WO2007020588A1 Biosorption system produced from biofilms supported on faujasite (fau) zeolite, process obtaining it and its usage for removal of hexavalent chromium (cr (vi)) |
| 02/22/2007 | WO2007020218A1 Process to remove non-biodegradable compounds from an aqueous composition and apparatus therefor |
| 02/22/2007 | WO2007019617A1 Biological phosphorous removal |
| 02/22/2007 | WO2006096432A3 Biodestruction of blended residual oxidants |
| 02/22/2007 | US20070039880 System and method for distributing multiple materials from an agricultural vehicle |
| 02/22/2007 | US20070039879 Sustainable product solution development method |
| 02/22/2007 | US20070039878 Process and apparatus for increasing biological activity in waste treatment in bodies of water |
| 02/22/2007 | DE20221682U1 Prefabricated small-scale pre-fabricated reed bed waste water treatment plant comprises pre-fabricated container and pre-planted reed bed |
| 02/22/2007 | DE202006018087U1 Vehicle wash plant comprises a wash water reprocessing circuit comprising storage tank, gravel/sand bed filter mechanism and collecting tank for the reprocessed wash water, an aerator connected to the filter mechanism, and a pump |
| 02/22/2007 | DE10216182B4 Ressourcen- und Wassernutzungsanlage Resource and water harvesting system |
| 02/22/2007 | DE102006019741A1 Water recirculation plant for pisciculture and fish feeding, includes water distribution assembly, flooded bioreactors for microbiological water nitrification, sedimentation filters, fish basins, pump chamber with water supply plant |
| 02/21/2007 | EP1754687A2 Process for the denitrification of activated sludge and use of glycerin for the denitrification in a wastewater treatment plant |
| 02/21/2007 | EP1754686A1 Biological treatment which can be used for bacterial bioremediation in aquatic ecosystems and of urban and industrial effluents in order to ensure adequate digestion of organic matter and nutrients |
| 02/21/2007 | EP1446536B1 Pollutant containment system |
| 02/21/2007 | CN2871521Y Fast sewage integrated treater |
| 02/21/2007 | CN2871520Y Automatically-circulating anaerobic reactor |
| 02/21/2007 | CN2871519Y Multi-cylinder and secondary jetting flow mixed aerator |
| 02/21/2007 | CN2871518Y Water-treatment biological carrier |
| 02/21/2007 | CN2871517Y Assembled filler for water treatment |
| 02/21/2007 | CN2871516Y Adjustable filtering head against block |
| 02/21/2007 | CN1918079A Process for producing biogas |
| 02/21/2007 | CN1918077A Drain treating device |
| 02/21/2007 | CN1918076A Wastewater treatment apparatus |
| 02/21/2007 | CN1916304A Method for reusing synthesized middle water |
| 02/21/2007 | CN1916163A Amido rod bacterium of addicted to amido, bacterium agent and application |
| 02/21/2007 | CN1915864A Technical pool for treating sewage and technique |
| 02/21/2007 | CN1915863A Method of immobilized sludge to remove nitrogen, phosphor in eutrophication water body |
| 02/21/2007 | CN1915862A Composite anaerobic reactor with inner circulation |
| 02/21/2007 | CN1915861A Axial flow type self oxygenated aerator for activated sludge |
| 02/21/2007 | CN1915860A Purification system of transfusion type biology bed in use for treating polluted river water |
| 02/21/2007 | CN1915859A Application of natural cobble as technical filler of transfusion type biology bed in use for treating polluted river water |
| 02/21/2007 | CN1915858A Compounded mix of transfusion type biology bed in use for treating polluted river water |
| 02/21/2007 | CN1915857A Bioreactor of dynamic membrane of 3D filter cloth |
| 02/21/2007 | CN1915856A Bleeding technique with no power in processing organic waste water |