| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/05/2010 | CA2597756C Water treatment system |
| 12/31/2009 | US20090321351 Bioremediation blanket and method of use |
| 12/31/2009 | US20090321350 Method of growing bacteria for use in wastewater treatment |
| 12/31/2009 | DE202009012047U1 Reinigungseinrichtung für Räumerlaufbahnen von Klärbecken Cleaning device for Räumerlaufbahnen of clarifiers |
| 12/31/2009 | DE202008011241U1 Klärbecken mit Auslasseinrichtung Clarifier outlet |
| 12/31/2009 | DE102008030809A1 Method for water recovery and/or cleaning of wastewater, by carrying out pressure less biologically active step in a self-tensioning, finely-meshed mesh for self-effacement of coarse material, which is washed for avoiding faecal sludge |
| 12/31/2009 | DE102008030468A1 Clarification plant comprises a pre-clarification basin and a biological stage with biomass in which a container is arranged in which plates guided parallel to each other are arranged in a flow path for water to be clarified |
| 12/30/2009 | WO2009157811A1 Coal gasification method (variants) and a subsurface water purification method |
| 12/30/2009 | WO2009157681A2 Water quality improvement composition containing eco-friendly active natural minerals and method of manufacturing the same |
| 12/30/2009 | WO2009156830A2 Aeration and filtration system and process for treating wastewater |
| 12/30/2009 | WO2009156673A1 Method for biological purification of an aqueous solution containing ammonium perchlorate and optionally nitrates |
| 12/30/2009 | WO2009156252A1 Process for reducing bulking sludge in activated sludge wastewater treatment |
| 12/30/2009 | WO2009133549A3 Apparatus and method for biological treatment of wastewater |
| 12/30/2009 | WO2009132249A3 Methods and systems for producing biofuels and bioenergy products from sewage sludge, including recalcitrant sludge |
| 12/30/2009 | WO2009120384A3 Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
| 12/30/2009 | EP2138464A1 Unit for integrated waste water biological treatment |
| 12/30/2009 | EP2137114A2 Method of converting a septic tank into a biological waste water treatment plant. |
| 12/30/2009 | CN201372244Y Integrated waste water and flue gas dust treatment system |
| 12/30/2009 | CN201372243Y Small-scale biological sewage treatment and recycling device |
| 12/30/2009 | CN201372234Y Cultivation and dosing device for bioremediation of petroleum pollution |
| 12/30/2009 | CN201372233Y Unpowered integral artificial-wetland wastewater treatment system |
| 12/30/2009 | CN201372232Y Fully-automatic small anaerobic-aerobic sewage processing system |
| 12/30/2009 | CN201372231Y Wastewater up-flow anaerobic sludge bed reactor |
| 12/30/2009 | CN201372230Y Packing device of anaerobic reactor |
| 12/30/2009 | CN201372229Y Water distributing device of anaerobic reactor |
| 12/30/2009 | CN201372228Y Sludge discharge device of anaerobic reactor |
| 12/30/2009 | CN201372227Y Micro-porous aerator |
| 12/30/2009 | CN201372226Y Double-impeller submerged aerator |
| 12/30/2009 | CN201371005Y Biochemical filter pad |
| 12/30/2009 | CN101616871A Biological water treatment by alternating continuous and sequential aeration |
| 12/30/2009 | CN101613156A Method for remedying nitrate pollution in groundwater by adopting Klebsiella sp. DB-2 |
| 12/30/2009 | CN101613155A Application of Chinese forgetmenot root in treating livestock breeding wastewater |
| 12/30/2009 | CN101613154A Novel wetland technology and equipment |
| 12/30/2009 | CN101613153A Vertical anaerobic process tank integrated triphase separator |
| 12/30/2009 | CN101613152A Method for starting EGSB reactor processing saline wastewater |
| 12/30/2009 | CN101613151A Plant for deep biological treatment of effluents |
| 12/30/2009 | CN100575612C Process for recovery of coastal natural wetland and multistage antisoil regulation and control technology therefor |
| 12/30/2009 | CN100575480C Swamp Rhodopseudomonas of using nitrite nitrogen in high effect, and application |
| 12/30/2009 | CN100575313C Method for producing organic fertilizer using formaldehyde waste water to ferment |
| 12/30/2009 | CN100575283C Method and apparatus for treating organic liquid waste |
| 12/30/2009 | CN100575282C Refuse leachate treatment technology |
| 12/30/2009 | CN100575280C Device and method for distributing water-inlet carbon source of sewage treatment plant |
| 12/30/2009 | CN100575279C Method for removing sewage ammonia nitrogen by employing active sludge oxidation ditch technique |
| 12/30/2009 | CN100575278C Wastewater treatment device and wastewater treatment method |
| 12/30/2009 | CN100574844C Method for preparing porous grain slag filtering material |
| 12/29/2009 | US7638060 Process for removing contaminants from silicone-based solvents |
| 12/29/2009 | US7638057 Method of treating water using petroleum coke |
| 12/29/2009 | US7638056 Using tetrakis(hydroxymethyl) phosphonium sulphate; helminths; nematodes |
| 12/29/2009 | US7638055 Sludge quality |
| 12/29/2009 | US7638054 Periphyton filtration systems and associated methods |
| 12/29/2009 | CA2316750C Oligomer for media to entrap microorganism, oligomer-polymerized hydrous gel, and oligomer-polymerized hydrous gel entrapping microorganism |
| 12/24/2009 | US20090314710 Purification method for effluent |
| 12/24/2009 | US20090314709 Polar fog waste treatment |
| 12/24/2009 | US20090314698 Combined Axial-Radial Intake Impeller With Circular Rake |
| 12/24/2009 | DE202009009100U1 Schwebekörper für den Einsatz zur biologischen Klärung von verunreinigtem Wasser/Abwasser Float for use for biological treatment of polluted water / wastewater |
| 12/24/2009 | DE102008029384A1 Carrier material, useful as a growth surface for a biofilm in a liquid, comprises a variety of plastic bodies in the form of curved plates and/or hyperbolic paraboloids with a porous surface |
| 12/24/2009 | DE102008028003A1 Process for continuous cleaning of process water in the paper industry, comprises contacting the process water to be cleaned in an anaerobic reactor with anaerobic microorganisms in order to reduce impurities in waste water |
| 12/23/2009 | WO2009155038A1 Process for the simultaneous remediation and production of fuel from fractionalized waste and virgin materials through the use of combinative bioreactor and catalytic methodology |
| 12/23/2009 | WO2009154539A1 A floating plant bed for biological water treatment |
| 12/23/2009 | WO2009153437A2 Method for the biological treatment of an effluent and associated plant |
| 12/23/2009 | WO2009152853A1 Collection of carbon emissions |
| 12/23/2009 | WO2009132374A3 Device for inserting gas bubbles into a liquid |
| 12/23/2009 | EP2134658A2 Method and apparatus for processing biomass waste |
| 12/23/2009 | EP2134657A2 Preventing and reducing biofilm formation and planktonic proliferation |
| 12/23/2009 | EP2134469A2 Reactor for reductive conversion reactions using palladized bacterial cellulose |
| 12/23/2009 | CN201367387Y Biological-zoological combination device for purifying dirty water |
| 12/23/2009 | CN201367386Y Membrane bioreactor |
| 12/23/2009 | CN201367385Y Membrane bioreactor sewage disposal device |
| 12/23/2009 | CN201367375Y V-shaped trough-type micro filter screen capable of continuously refreshing dynamic film on-line |
| 12/23/2009 | CN201367374Y Water inlet and distribution device of membrane bioreactor |
| 12/23/2009 | CN201367373Y Rotating claws of aerator |
| 12/23/2009 | CN201367372Y Aerator with rotating claws |
| 12/23/2009 | CN201367371Y Mechanical water decanter |
| 12/23/2009 | CN201367370Y Drift type device for purifying slightly polluted water bodies of rivers |
| 12/23/2009 | CN201367369Y Submerged-floating type hoisting aeration apparatus |
| 12/23/2009 | CN101610985A System for improving total water qualities in eutrophicated and contaminated water area utilizing water purifying functions of various plants and microorganisms |
| 12/23/2009 | CN101609309A Membrane pollution optimized control specialist system of membrane reactor |
| 12/23/2009 | CN101609061A Online titration method for measuring proton variation rate in biological wastewater treatment and device thereof |
| 12/23/2009 | CN101608543A Cleaning fracturing outlet liquid recovery oil displacement and plugging relief technology |
| 12/23/2009 | CN101607810A Wastewater treatment composite filler containing zeolite and pulverized fuel ash |
| 12/23/2009 | CN101607809A Microorganism concrete brick and preparation method thereof |
| 12/23/2009 | CN101607780A Process for treating tar product wastewater |
| 12/23/2009 | CN101607779A River denitriding device with multi-oxidation reducing environment alternation |
| 12/23/2009 | CN101607778A Water body purifying method of A/O artificial floating island |
| 12/23/2009 | CN101607777A Lurgi furnace coal gasification wastewater treatment and reuse technology |
| 12/23/2009 | CN101607776A Brewery wastewater treatment device and treatment method |
| 12/23/2009 | CN101607775A Technology for processing organic sewage by combined system of earthworm ecological filter tank and denitrifying biologic filter tank |
| 12/23/2009 | CN101607774A Apparatus and method for treating sewage |
| 12/23/2009 | CN101607773A Method for treating chlorinated polyethylene wastewater |
| 12/23/2009 | CN101607762A Ecological restoring method of river water body |
| 12/23/2009 | CN101607761A Purification method of polluted lake water body |
| 12/23/2009 | CN101607760A Method form purifying polluted river |
| 12/23/2009 | CN101607759A Domestic sewage biological denitrogenation method and device thereof |
| 12/23/2009 | CN101607758A Method for controlling membrane fouling trapping membrane pollutants in different positions |
| 12/23/2009 | CN101607757A Foam-removing method and device thereof in treatment of coking wastewater |
| 12/23/2009 | CN101607756A Simple aeration biological filter pool without filter plate |
| 12/23/2009 | CN101607120A Method for degrading crude oil with bacillus |
| 12/23/2009 | CN101606505A Method for ecologically purifying water quality of aquiculture pool by micropore aeration of biomembrane band |
| 12/23/2009 | CN100572679C Large medium river course compound platform surface source control and purification system |
| 12/23/2009 | CN100572526C Demanganization functional bacterium |