| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/04/2010 | CA2379636C Method for biological cleaning of wastewater |
| 04/29/2010 | WO2010048225A2 A system and method for thermophilic anaerobic digester process |
| 04/29/2010 | WO2010047853A1 System and method for reducing pollution in a body of water |
| 04/29/2010 | WO2010047726A1 Apparatus and method for decomposing bacteria into a waste stream |
| 04/29/2010 | WO2010047640A1 A lamellar structure for treatment and aeration of water and wastewater |
| 04/29/2010 | WO2010047603A1 A water purifying and activating device |
| 04/29/2010 | WO2010047488A2 Artificial vegetation island having a multi-layer structure |
| 04/29/2010 | WO2010046914A1 Process for continuous production of biogas from biomass |
| 04/29/2010 | WO2010014797A3 Integrated system for productioin of biofuel feedstock |
| 04/29/2010 | WO2009128090A3 A device to treat freshwater and process sewage containing freshwater in the sea |
| 04/29/2010 | US20100105128 Portable high rate anaerobic digester apparatus and method of operation |
| 04/29/2010 | US20100105127 Systems and methods for generating resources using wastes |
| 04/29/2010 | US20100101995 Advanced wastewater treatment process using up & down aerobic/anaerobic reactors of channel type |
| 04/29/2010 | US20100101994 Wastewater filtering medium |
| 04/29/2010 | US20100101985 Apparatus for removing dissolved hydrogen sulfide in anaerobic treatment |
| 04/29/2010 | DE102008033293B4 Vorrichtung in Form eines Schwimmerumschaltventils und Verfahren zum Betreiben eines solchen in einer Anordnung zur Abwasserreinigung bei biologischen Kläranlagen Device in the form of a Schwimmerumschaltventils and method of operating such an arrangement for wastewater treatment in sewage treatment plants for biological |
| 04/29/2010 | CA2747588A1 System and method for reducing pollution in a body of water |
| 04/29/2010 | CA2740914A1 A system and method for thermophilic anaerobic digester process |
| 04/28/2010 | EP2179831A1 Compartmentalised tank |
| 04/28/2010 | EP2179063A1 Application of anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source for oil recovery |
| 04/28/2010 | EP2178802A2 Methods of improving the yield and/or quality of aquatic or marine animals |
| 04/28/2010 | EP2041035B1 Reactor comprising a supply distribution system for anaerobic waste water treatment |
| 04/28/2010 | CN201442891U Degradable artificial floating island |
| 04/28/2010 | CN201442890U Small wastewater biological treatment system |
| 04/28/2010 | CN201442889U Buried sewage disposal plant |
| 04/28/2010 | CN201442888U Underwater air exhaust jet device of aerator |
| 04/28/2010 | CN201442887U Overwater platform for oxygenated aeration machine |
| 04/28/2010 | CN201442886U Aeration oxygenator |
| 04/28/2010 | CN201442885U Underwater host machine waterproof device of aerator |
| 04/28/2010 | CN201442884U Super-gyromagnetic oxygenation and aeration machine |
| 04/28/2010 | CN201442883U Multi-nozzle integrated oxygenating-aerating machine |
| 04/28/2010 | CN201440842U Basket type floating body autotrophy device for herbivorous fish ecological cultivation |
| 04/28/2010 | CN1884138B Method for domesticating daphnia pulex, A. diaphana King, or moina irrasa in lake to eat blue algae |
| 04/28/2010 | CN1756907B Water circulation systems for ponds, lakes, and other bodies of water |
| 04/28/2010 | CN1735452B 混合室 Mixing chamber |
| 04/28/2010 | CN101698699A Method for preparing macroporous polymer fixed quinonoid compound |
| 04/28/2010 | CN101698557A Combination treatment method of high-carbon high-nitrogen waste water |
| 04/28/2010 | CN101698556A Treatment method and treatment device of wastewater from middle stage of wheat straw pulp paper-making |
| 04/28/2010 | CN101698555A Integrated up-flow reactor and advanced treatment method of fermentation industrial effluent |
| 04/28/2010 | CN101698554A Domestic sewage distribution treatment equipment |
| 04/28/2010 | CN101698553A Method for processing wastewater from rice flour plants |
| 04/28/2010 | CN101698552A Method for treating domestic sewage with reinforced capillary infiltration trench system |
| 04/28/2010 | CN101698551A Marine domestic sewage treatment unit |
| 04/28/2010 | CN101698550A Advanced treating method of landfill leachate |
| 04/28/2010 | CN101698549A Integrated oxygen-poor intermittent aeration domestic sewage treatment device |
| 04/28/2010 | CN101698539A Microecological agent for purifying water and preparation method thereof |
| 04/28/2010 | CN101698538A Method for purifying dirty oil with microorganism |
| 04/28/2010 | CN101698537A In-situ remediation method using peat in underground water polluted by petroleum hydrocarbon as an additive medium |
| 04/28/2010 | CN101698536A Endless circumflex type landscape artificial wetland |
| 04/28/2010 | CN101698535A Application of bamboos in anaerobic purification device of domestic sewage |
| 04/28/2010 | CN101698534A Method for optimizing stability of aerobic granular sludge |
| 04/28/2010 | CN101698533A Aerobic granular sludge reactor for treating low-temperature sewage and water treatment method thereof |
| 04/28/2010 | CN101698532A Water-treatment biological contact reactor |
| 04/28/2010 | CN101698531A Bioactive water treatment film |
| 04/28/2010 | CN101697712A Biotechnology for using water hyacinths as resources |
| 04/27/2010 | US7704733 biological denitrification tanks; entrapping and immobilizing any sludge into a monomer or a prepolymer for immobilizing the nitrifying bacteria, and then subjecting to heat treatment at 30 to 80 degrees Celcius; reduce running cost of sewage treatment |
| 04/27/2010 | US7704389 Apparatus for groundwater remediation |
| 04/27/2010 | US7704385 Water treatment system |
| 04/27/2010 | CA2400336C A method for processing lignocellulosic material |
| 04/22/2010 | WO2010044881A1 Knitted geotextile, and geotextile tube constructed threof |
| 04/22/2010 | WO2010044769A1 Chemical/biochemical water purification reactor and method of implementing same |
| 04/22/2010 | WO2010044115A1 Integrated system for the treatment and the reuse of the aquaculture effluents |
| 04/22/2010 | WO2010043764A1 Process for extracting iron from an aqueous acid solution |
| 04/22/2010 | WO2010043323A2 Method and device for photosynthesis-supported exhaust gas disposal, particularly co2 |
| 04/22/2010 | US20100096406 Beverage dispenser |
| 04/22/2010 | US20100096343 Horizontal agitator and method for producing a flow in a clearing basin using the horizontal agitator |
| 04/22/2010 | US20100096324 System and method for reducing pollution in a body of water |
| 04/22/2010 | US20100096323 Methods of reducing the cost required for coming into compliance |
| 04/22/2010 | US20100096322 Method for the biological cleaning of oil contaminated bottom sediments |
| 04/22/2010 | DE202008017673U1 Belüfter, insbesondere für den Einsatz in einer Kleinkläranlage Aerators, in particular for use in a wastewater treatment plant |
| 04/22/2010 | DE112008001524T5 Vorrichtung für eine Anlage zur Erzeugung von Biogas aus biologischem Material Device for a plant for the production of biogas from organic material |
| 04/22/2010 | DE102008052233A1 Method and device for economical supply of pure oxygen and air oxygen in fluid for highly loaded clarification plant for biological cleaning of waste water, comprise two different ventilation systems |
| 04/22/2010 | CA2740343A1 Process for extracting iron from an aqueous acidic solution |
| 04/22/2010 | CA2739894A1 Method and device for photosynthesis-supported exhaust gas disposal, particularly co2 |
| 04/21/2010 | EP2177233A1 Methods of using odor control compositions |
| 04/21/2010 | EP2176176A2 Method and unit for the purification of wastewater with aerobic granular sludge |
| 04/21/2010 | EP2176175A2 Plant for aerobic and anaerobic digestion treatment by pfr |
| 04/21/2010 | EP2175972A1 Stirring device for activated sludges |
| 04/21/2010 | CN201439505U Urban sewage treatment device for removing organic by anaerobic process and denitrifying by autotrophic removal process |
| 04/21/2010 | CN201439504U Non-powered domestic sewage treatment device |
| 04/21/2010 | CN201439502U Buffer zone device for simulating non-point source pollution control |
| 04/21/2010 | CN201439501U Upflow anaerobic sludge bed reactor of overhead aeration tank |
| 04/21/2010 | CN201439500U Rotary water decanter |
| 04/21/2010 | CN201439499U Lifting aeration system |
| 04/21/2010 | CN101696445A Method for screening microbial flora used for treating coal chemical industrial waste water |
| 04/21/2010 | CN101696074A Zero-discharge treating process for coking wastewater of iron and steel plant |
| 04/21/2010 | CN101696073A Two-phase distributing bioreactor and application in processing organic wastewater with high concentration |
| 04/21/2010 | CN101696072A SBR process for transferring sludge |
| 04/21/2010 | CN101696059A Ecological canal for preventing and controlling agricultural area source pollution |
| 04/21/2010 | CN101696058A Ecological algae control method for lake |
| 04/21/2010 | CN101696057A Sewage dephosphorization device of shuck filling biofilter |
| 04/21/2010 | CN101696056A Method and device for biologically oxidizing and filtering pre-processing of PPCPs in drinking water |
| 04/21/2010 | CN101696055A Process for processing molasses alcohol wastewater microaerophile by utilizing oxygen from air |
| 04/21/2010 | CN101696054A Method for promoting growth and nitrification activity of amine salt oxidizing bacteria in activated sludge |
| 04/21/2010 | CN101696053A Three-dimensional natural fiber spherical biofilm packing |
| 04/21/2010 | CN101284694B Hydrophilic active biological film suspend carrier and method for making the same |
| 04/21/2010 | CN101172740B Sanitary sewage photocatalysis and multi- medium advanced treatment system for single family in countryside |
| 04/20/2010 | US7699986 Method for activated sludge wastewater treatment with high dissolved oxygen levels |
| 04/20/2010 | US7699985 Process for providing oxygen to a liquid |
| 04/20/2010 | US7699982 Apparatus, system and method for remediation of contamination |