| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/29/2008 | CA2280503C Treatment of effluent streams containing organic acids |
| 01/24/2008 | WO2008011039A2 Wastewater treatment system and method of using same |
| 01/24/2008 | WO2008010770A1 A method and device for purifying wastewater |
| 01/24/2008 | WO2007098298A3 Wastewater treatment using activated sludge and ballasted flocculation |
| 01/24/2008 | WO2007090098A3 Wastewater treatment system and method of using same |
| 01/24/2008 | US20080018002 Device For Gassing Liquids, In Particular Waste Water |
| 01/24/2008 | US20080017583 Treatment of excess sludge according to running parameters determined in advance, separation of the treated excess sludge into an organic fraction and an inorganic fraction, measurement of actual values for dissolved organic carbon (DOC) in the organic fraction, recirculation, comparison |
| 01/24/2008 | US20080017575 Waste treatment method and apparatus with integral membrane apparatus |
| 01/24/2008 | US20080017574 For processing liquid waste to remove substances that may impair functioning of waste disposal utilities such as sewage treatment plants and sewage pumping stations inside a grease interceptor or grease vault; includes medium for forming microbial film and exposing film to effluents for decomposition |
| 01/24/2008 | US20080017558 Methods and Devices for Improved Aeration From Vertically-Orientated Submerged Membranes |
| 01/24/2008 | DE102006033288A1 Filter für Teichanlagen Filters for ponds |
| 01/24/2008 | DE102006027031A1 Vorrichtung zur Abwasserbehandlung sowie eine mit einer solchen Vorrichtung ausgestattete Anlage Waste water treatment apparatus and an equipped with such a device system |
| 01/23/2008 | EP1880982A1 Filter for ponds |
| 01/23/2008 | EP1880053A1 Chlorine dioxide treatment compositions and processes |
| 01/23/2008 | CN201010606Y Sewage treatment system with zero discharge of sludge |
| 01/23/2008 | CN201010605Y Sanitary sewage recycling processing device with zero discharge of biological sludge |
| 01/23/2008 | CN201010604Y High-efficiency dephosphorizing and denitriding type sewage processing device |
| 01/23/2008 | CN201010603Y Conical sand-wall bio-filter sewage processing pool |
| 01/23/2008 | CN201010602Y Integrated processing device of industrial sewage fluid bed |
| 01/23/2008 | CN201010589Y Centrifugal aerating head |
| 01/23/2008 | CN201010585Y Batch artificial wet land sewage processing reactor |
| 01/23/2008 | CN201010584Y Sewage treating device using submerged flow ground method |
| 01/23/2008 | CN201010583Y Deep-bed wet-land program controlled progressive type water distributor |
| 01/23/2008 | CN201010582Y Village ecological treating system for waste water |
| 01/23/2008 | CN201010581Y Aerating inner loop type garbage leachate diphasic treating effector |
| 01/23/2008 | CN201010580Y Hypoxia aerating controlling device of segmented water-feeding A/O biological denitrification technique |
| 01/23/2008 | CN201010579Y Polyphase combined film bioreactor |
| 01/23/2008 | CN201010578Y Sewage treating device |
| 01/23/2008 | CN201010577Y Multilevel back-turning flow artificial oxidation pond |
| 01/23/2008 | CN201010576Y Synchronous nitrification and denitrification controlling device of A2/O oxidation ditch technique |
| 01/23/2008 | CN201010575Y Up-flow compound anaerobic hydrolyzing and acidizing device |
| 01/23/2008 | CN201010574Y Anaerobic fermentation device |
| 01/23/2008 | CN201010573Y Diaphragm type overflow weir type outflow device |
| 01/23/2008 | CN201010572Y Decanting weir notch |
| 01/23/2008 | CN201010571Y Novel decanting weir notch |
| 01/23/2008 | CN201010570Y Decanter |
| 01/23/2008 | CN201010569Y Sewage treating device |
| 01/23/2008 | CN201010568Y Water treated seedless haydite filter material |
| 01/23/2008 | CN201010567Y Automatic washing aerating biological filter |
| 01/23/2008 | CN201010566Y Improved integrated oxidation ditch |
| 01/23/2008 | CN201010565Y Tiny bubble rich or pure oxygen aerating rubber hose and device |
| 01/23/2008 | CN201010564Y Landscape water body renovating biological treatment device |
| 01/23/2008 | CN201010563Y Unpowered sewage treating apparatus |
| 01/23/2008 | CN201010562Y Biological degrading sewage processor |
| 01/23/2008 | CN201010561Y Water purifying stone of beneficial microorganism |
| 01/23/2008 | CN201010536Y Anti-rotation arched imbedded sewage treatment pool |
| 01/23/2008 | CN201010533Y Industrial sewage processing equipment |
| 01/23/2008 | CN101109008A Aquifer amendment containing multiple active microorganisms and method of preparing the same |
| 01/23/2008 | CN101108764A Biological preprocessing technique for high concentration caustic slage wastewater from petrifaction enterprise |
| 01/23/2008 | CN101108763A Advanced process method for petrifaction sewage |
| 01/23/2008 | CN101108758A Method for multipurpose use of starch, spirit wastewater and equipment thereof |
| 01/23/2008 | CN101108757A Activated sludge method processing technique at sewage continuous drainage interval |
| 01/23/2008 | CN101108756A Tripolite filling material and method of manufacturing the same |
| 01/23/2008 | CN101108755A Medical treatment wastewater processing technique |
| 01/23/2008 | CN101108754A Tripolite materializing and aerating biological filter sewage processing system and wastewater processing method |
| 01/23/2008 | CN101108753A Method of processing domestic wastewater, garbage |
| 01/23/2008 | CN101108749A Comprehensive treatment method of city reservoir project process flow system |
| 01/23/2008 | CN101108746A Comprehensive treatment method restoring polluted aquifer ecology |
| 01/23/2008 | CN101107926A Mosquito expelling device for waterscape cistern |
| 01/23/2008 | CN100363274C High nitrogen high concentration organic wastewater disposal process |
| 01/23/2008 | CN100363273C circulating type aerobe reactor for treating organic waste |
| 01/23/2008 | CN100363272C Tower type aeration-biochemical processing process for oil field externally discharged waste water |
| 01/23/2008 | CN100363271C Bubble-free oxygen supply film biological reactor |
| 01/22/2008 | US7320753 Anaerobic digester system for animal waste stabilization and biogas recovery |
| 01/22/2008 | US7320752 Integrated hydroponic and wetland wastewater treatment systems and associated methods |
| 01/17/2008 | WO2008008816A2 Method for removing volatile organic compounds (vocs) from an air stream |
| 01/17/2008 | WO2008007631A1 Fine bubble generating unit |
| 01/17/2008 | WO2008006950A2 Process and installation for treating an aqueous effluent for the purpose of extracting at least one dissolved gaseous compound therefrom; application to aquaculture in a recirculated aqueous environment |
| 01/17/2008 | WO2008006596A1 Reactor comprising a supply distribution system for anaerobic waste water treatment |
| 01/17/2008 | WO2008006175A1 Modular wastewater treatment tanks with releasable connections |
| 01/17/2008 | WO2007105040A3 A bacterium consortium, bio-electrochemical device and a process for quick and rapid estimation of biological oxygen demand |
| 01/17/2008 | WO2007018642A3 Undersea well product transport |
| 01/17/2008 | US20080014433 METHOD FOR REMOVING VOLATILE ORGANIC COMPOUNDS (VOCs) FROM AN AIR STREAM |
| 01/17/2008 | US20080011677 Wastewater treating system |
| 01/17/2008 | US20080011659 Water purification and treatment apparatus and treatment process using the apparatus |
| 01/17/2008 | US20080011207 Apparatus, System and Method for Remediation of Contamination |
| 01/17/2008 | DE202007000048U1 Kompakte Heberanordnung Compact lift system |
| 01/17/2008 | DE102006032489A1 Reactor for anaerobically cleaning effluent, preferably from the paper industry, comprises a feed distributor with deviating units structured so that effluent from the outlet opening of a feed line is deflected into a circular flow |
| 01/17/2008 | DE102006031777A1 Intermittent after clarification for sludge activation plant for purification of municipal and industrial wastewater, comprises positioning after clarification basin in sludge activation reactor, and discharging clear water body by decanter |
| 01/16/2008 | EP1878706A1 Method for biological disposal of organic wastewaer and biological disposal apparatus |
| 01/16/2008 | EP1877344A1 Biofilter units and water treatment facilities with using the same biofilter units |
| 01/16/2008 | CN201006853Y Ship life waste water treating device |
| 01/16/2008 | CN201006846Y Dropping filtering bed biological reaction device |
| 01/16/2008 | CN201006845Y Rotating biologicaldisc |
| 01/16/2008 | CN201006348Y Leveling filter head |
| 01/16/2008 | CN101104543A Treatment system for washing waste water |
| 01/16/2008 | CN101104542A Method for treating monosodium glutamate waste water by concentration biochemical process |
| 01/16/2008 | CN101104541A Modified four-section water-feeding A/O deep denitrogenation device and process control method |
| 01/16/2008 | CN101104540A Sewage treatment system and its method |
| 01/16/2008 | CN101104539A Alga-bacterium symbiosis fluid bed treatment system for high concentrated organic wastewater |
| 01/16/2008 | CN101104534A Community closed medium water landscape water system organism gas float BOAG treatment method and device |
| 01/16/2008 | CN101104132A Biological desulfurizing technology for transferring sulfur-containing compound into elemental sulfur |
| 01/16/2008 | CN100361931C Process for preparing light biological film ceramic carrier |
| 01/16/2008 | CN100361911C Biological air floatation method for oil-containing sludge |
| 01/16/2008 | CN100361910C Waste water treatment method of anerobic- anoxia-aerobic-coagulated precipitation |
| 01/16/2008 | CN100361909C Adjusting method for A/O biological denitrification reactor and nitrification process, its on-line fuzzy controller and control thereof |
| 01/16/2008 | CN100361908C Sewage water denitrification handling method |
| 01/16/2008 | CN100361907C Supported biofilm apparatus and process |
| 01/16/2008 | CN100361906C Control system for short-cut nitrification and denitrification of A/O process for treating sewage and on-line control method therefor |
| 01/16/2008 | CN100361754C Method of treating fail sand arsenic pollution |