| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/07/2009 | DE10221362C5 Verfahren zur Oxidation von in Abwasser gelöstem Sulfid A process for the oxidation of dissolved sulphide in wastewater |
| 05/06/2009 | EP2054351A2 Energy production with hyperthermophilic organisms |
| 05/06/2009 | EP2054350A2 Methods and systems for biological treatment of flue gas desulfurization wastewater |
| 05/06/2009 | EP2054348A1 Method for removing sulphate and heavy metals from waste water |
| 05/06/2009 | EP1434740B1 Device for biological treatment of waste water |
| 05/06/2009 | CN201232043Y Full-automatic, high efficiency and energy-saving sewage water reuse and recycle apparatus |
| 05/06/2009 | CN201232041Y Ecological type self purification net cage |
| 05/06/2009 | CN201232040Y Multiple layer biological mutualism system |
| 05/06/2009 | CN201232039Y Internally circulating and fluidsing biological reaction apparatus for sewage disposal |
| 05/06/2009 | CN201232038Y Continuous biological composite bed for water treatment |
| 05/06/2009 | CN201232030Y Adjustable water distributor |
| 05/06/2009 | CN101426901A Novel microorganism for treating wastewater and corresponding method |
| 05/06/2009 | CN101423806A Organic aromatic compound degrading bacteria and use thereof |
| 05/06/2009 | CN101423317A Pond culture water purification method and cleaning pool thereof |
| 05/06/2009 | CN101423316A Two stage effluent treatment reuse technology |
| 05/06/2009 | CN101423315A Repair method and device of lake water body |
| 05/06/2009 | CN101423314A High efficiency denitrification, phosphorus removal and phosphorus resource recovery composite for urban sewage |
| 05/06/2009 | CN101423313A Fluorescent whitening agent production waste water treatment process |
| 05/06/2009 | CN101423312A Acrylon production waste water treatment method |
| 05/06/2009 | CN101423302A Novel pump E type vertical surface aerating machine |
| 05/06/2009 | CN101423297A Composite vertical current artificial wetland oxygenation system |
| 05/06/2009 | CN101423296A Hypoxic/anaerobic UASB-SBR landfill leachate shortcut biological denitrification method and apparatus |
| 05/06/2009 | CN101423295A High nitrogen-containing landfill leachate processing method and apparatus |
| 05/06/2009 | CN101423294A Simultaneous nitrogen and phosphorus removal (AO)2SBR sewage treatment process |
| 05/06/2009 | CN101423293A Two-channel self circulation anaerobic bioreactor |
| 05/06/2009 | CN101423292A Anaerobic bioreactor for treating high concentration printing and dyeing wastewater and method thereof |
| 05/06/2009 | CN101423291A Pump E type vertical surface aerating machine with stirring |
| 05/06/2009 | CN101423290A Method for implementing shortcut nitrification in complete nitrification biological denitrification system at normal temperature |
| 05/06/2009 | CN101423289A Fed-batch shortcut nitrification apparatus and technology thereof |
| 05/06/2009 | CN101423288A Lateral precipitation and stereoscopic circulation integrated oxidation ditch equipment and operation method |
| 05/06/2009 | CN101423287A Ecological purification system of landscape water body |
| 05/06/2009 | CN101423286A Mixed mode purification water treating apparatus |
| 05/06/2009 | CN101423285A Integral type film biological reactor |
| 05/06/2009 | CN101423284A Backwashing method of upward flow filter and backwashing water distribution structure |
| 05/06/2009 | CN101422701A Filter unit and manufacture method thereof and water treatment device |
| 05/06/2009 | CN101422699A Gas-stripping internal circulation filter and liquid membrane filter method |
| 05/06/2009 | CN101422126A Shrimp-pool marine macroalgae grass composite space cultivation method |
| 05/06/2009 | CN100484893C Integrated ecology renovation method for extratropical eutrophication marine site |
| 05/06/2009 | CN100484892C Comhined-flow artificial wet land and its application system |
| 05/06/2009 | CN100484891C Integrative anaerobic-aerobic circulation biological method for treating organic wastewater |
| 05/06/2009 | CN100484890C Methane fermentation treatment method for organic wastewater |
| 05/06/2009 | CN100484889C Deep channel type oxidation channel wastewater treatment system |
| 05/06/2009 | CN100484886C Process for treatnig paper-making waste water of waste paper |
| 05/06/2009 | CN100484614C Separation membrane assembly for waste water treatment |
| 05/05/2009 | US7527964 Method for cleavage of ether-linkages in polyethoxylates |
| 05/05/2009 | US7527736 Method for generating fracturing water |
| 05/05/2009 | US7527735 System for treating wastewater |
| 05/05/2009 | US7527734 Rapid non-equilibrium decompression of microorganism-containing waste streams |
| 05/05/2009 | US7527730 Water filtration system and its use |
| 05/05/2009 | US7527728 Biomass carrier promoting simultaneous nitrification-de-nitrification |
| 04/30/2009 | WO2009055793A1 System and method for anaerobic digestion of biomasses |
| 04/30/2009 | WO2009054448A1 Separation membrane element for filtration and membrane module for filtration |
| 04/30/2009 | WO2009053975A1 Aeration device for the introduction of gas bubbles into a liquid medium |
| 04/30/2009 | WO2007050714A3 Method and apparatus for nitrogen removal in wastewater using bioaugmentation |
| 04/30/2009 | US20090107929 Apparatus Having A Bioreactor And Membrane Filtration Module For Treatment Of An Incoming Fluid |
| 04/30/2009 | US20090107913 System and Method for Anaerobic Digestion of Biomasses |
| 04/30/2009 | US20090107912 Composite Material and Method for Removing Harmful Algal Blooms and Turning Them into Submerged Macrophytes |
| 04/30/2009 | CA2703799A1 Separation membrane element for filtration and membrane module for filtration |
| 04/30/2009 | CA2703715A1 System and method for anaerobic digestion of biomasses |
| 04/30/2009 | CA2703016A1 Aeration device for the introduction of gas bubbles into a liquid medium |
| 04/29/2009 | EP1644099A4 A filter in a spiral type forming a plurality of prominence and depression in the form of the rib of a fan in turn on surface and manufacturing method and machine therefor |
| 04/29/2009 | EP1390303A4 Environmental remediation method and apparatus |
| 04/29/2009 | CN201228250Y Solar microorganism sewage water septic tanks |
| 04/29/2009 | CN201228245Y Filling agent for biological environment friendly toilet |
| 04/29/2009 | CN201228242Y Porous filling agent with microorganism supported |
| 04/29/2009 | CN201228241Y Cage shaped filling agent with microorganism supported |
| 04/29/2009 | CN201228240Y Filling agent with microorganism supported |
| 04/29/2009 | CN201228239Y Improved filling agent with microorganism supported |
| 04/29/2009 | CN101421194A High solid thermophilic anaerobic digester, thermophilic anaerobic digesting method and system for sludge |
| 04/29/2009 | CN101421025A Microbubble generator |
| 04/29/2009 | CN101418273A Denitrifying pseudomonas SH12 of industrial effluent biological denitrification and use |
| 04/29/2009 | CN101417850A Novel process for treating coking waste water by charging activated sludge process |
| 04/29/2009 | CN101417849A Dilatancy design calculation method for sewage disposal plant |
| 04/29/2009 | CN101417848A Apparatus and method for processing parachlorophenol-containing waste water and recovering electric energy |
| 04/29/2009 | CN101417840A Black-odor river pollution treatment method |
| 04/29/2009 | CN101417837A Method for purifying sewage by activated sludge biological film zone |
| 04/29/2009 | CN101417836A Double sludge induced crystallization sewage water phosphorus removal denitrification method |
| 04/29/2009 | CN100482604C Method and apparatus for treating emulsified oil waste water |
| 04/29/2009 | CN100482603C Advanced treatment method of organic pigment waste water |
| 04/29/2009 | CN100482601C Ventilating and baffling artificial wetland simulator |
| 04/29/2009 | CN100482600C Anti chokage water inflow distributor for manmade marsh |
| 04/29/2009 | CN100482599C Biological sponge iron preparation and its uses in water disposal |
| 04/28/2009 | US7524421 Method of forming alginate particles in an aqueous solution containing metal ions |
| 04/28/2009 | US7524419 Mixer for use with media in wastewater treatment |
| 04/28/2009 | US7524418 fermenting a corn mash in an aqueous medium to produce a beer; generated biogas is then used in place of natural gas in the biofuel production as well as for the production of electricity; biosynthesis; VOC-free, heat exchanging; recover ammonia sold as fertilizer; cost and energy efficiency |
| 04/28/2009 | CA2386035C Phase separator having multiple separation units, upflow reactor apparatus and methods for phase separation |
| 04/23/2009 | WO2009052008A2 Retrievable diffuser module with internal ballast/buoyancy chamber |
| 04/23/2009 | WO2009051867A1 Retrievable diffuser module with truss construction |
| 04/23/2009 | WO2009050950A1 Underwater aeration device |
| 04/23/2009 | WO2009050347A2 Method and unit for the purification of wastewater with aerobic granular sludge |
| 04/23/2009 | WO2009049401A1 An integrated water processing technology |
| 04/23/2009 | WO2007028088A3 Methods for enhancing the dewaterability of sludge with alpha-amylase treatment |
| 04/23/2009 | US20090101573 energy effective water pollution control of the waste water containing high concentrated aminoethanol from semiconductor plants discharge; biodegradation by microorganisms; denitrification, aeration, anaerobic process |
| 04/23/2009 | US20090101572 System and method for treating produced water |
| 04/23/2009 | CA2702683A1 An integrated water processing technology |
| 04/22/2009 | EP2049444A1 Method and apparatus for biological wastewater purification |
| 04/22/2009 | EP2049443A2 A method and apparatus for simultaneous clarification and endogenous post denitrification |
| 04/22/2009 | EP1105205B1 Gas diffuser for solid-liquid separation membrane assembly |
| 04/22/2009 | CN201224703Y Unpowered efficient dispersing domestic sewage treatment complete equipment |
| 04/22/2009 | CN201224702Y City water net and waterfront greening ecological symbiosis system |