Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
09/2006
09/28/2006US20060213830 In-situ groundwater nitrification and de-nitrification remediation system
09/28/2006DE102005014301A1 Equipment used for phosphate elimination in conjunction with compressed air, in small or medium wastewater treatment plants, includes tank and dosing system for precipitation agent
09/28/2006DE102005013702A1 Wastewater treatment in a sequencing batch reactor comprises interposing short intermediate sedimentation phases outside of the actual sedimentation/decanting phase
09/28/2006DE102005013624A1 Treating waste waters to prevent odors and corrosion in pressurized wastewater pipelines for centralized treatment plants, induces nitrification and adds oxygen
09/28/2006DE102004063770A1 Apparatus for aerating water comprises a connecting pipe with one end in an air distributor pipe and the other end connected to aerators through a connecting piece
09/27/2006EP1704916A1 A contact filter block and a method and an apparatus for producing tubular elements of a contact filter block
09/27/2006EP1704911A1 Method for cleaning a separation membrane in a membrane bioreactor system
09/27/2006EP1704122A1 A biological mini sewage treatment plant and use of this plant
09/27/2006EP1284934B1 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors
09/27/2006CN2821257Y Irregular rotary disc bearing for waste water treating device
09/27/2006CN2820853Y Water treatment device for recovering and recycling industrial and life waste water
09/27/2006CN2820851Y Combined aquatic plant fixed planted float bed
09/27/2006CN2820850Y Batch combined biological film intergrated treating device for hot pickled mustard tuber waste water
09/27/2006CN2820849Y Artificial water purifying grass
09/27/2006CN2820848Y Waste water treatment unit filler or filter material device
09/27/2006CN2820847Y Decanting water device
09/27/2006CN1837361A Preparation and application of bioactive carrier of carbon fiber composite polyurethane
09/27/2006CN1837356A Method for acclimating, separating and screening highly effective phosphate-accumulating bacteria from intermittent circulating active sludge-membrane biological reaction system
09/27/2006CN1837092A Optimization control system for anaerobic and aerobic biological denitrification process and on-line control method therefor
09/27/2006CN1837091A Control system for short-cut nitrification and denitrification of A/O process for treating sewage and on-line control method therefor
09/27/2006CN1837090A Biological treatment device for multilayer drawer type cultural water
09/27/2006CN1837089A In-situ remediation ecologic reactor for water body
09/27/2006CN1837088A Gas distribution adjustment method for blast aeration system
09/27/2006CN1837087A Contact oxidation filtration separation integrated bioreactor
09/27/2006CN1837086A Energy-saving integrated type membrane bioreactor
09/27/2006CN1837085A Deep channel type oxidation channel wastewater treatment system
09/27/2006CN1837084A Artificial ecological sewage purifying and treating device
09/27/2006CN1836495A Method for harnessing lake stormy areas eutrophication using floating plant bed
09/27/2006CN1276971C Specific bacterium YPC-TA2 and method for treating waste water
09/27/2006CN1276885C Method for treating waste dregs liquid for brewing such as making sugar by alcohol
09/27/2006CN1276883C Method for treating dispersant low-temperature domestic sewage by floating stuffing segregating technique
09/27/2006CN1276882C 水处理系统 Water Treatment System
09/21/2006WO2006099418A2 Beneficial reuse of biosolids
09/21/2006US20060207936 Method for avoiding clogging of filtration membranes
09/21/2006US20060207933 Water treatment system for water animal feeding facility
09/20/2006EP1702891A1 Method and equipment for cultivating anaerobic ammonium-oxidizing bacteria
09/20/2006EP1702664A2 Water treatment unit
09/20/2006EP1301441B1 Process using an oriented structure for treating waste water
09/20/2006CN2818472Y In situ composite reaction treater for domestic and fecal sewage
09/20/2006CN2818471Y Automatic level controller of membrane biological reactor
09/20/2006CN2818470Y Suspension aerator
09/20/2006CN1835893A Bio degradation of oxyanions such as perchlorate on ion exchange resins
09/20/2006CN1834035A Method of treating organic tin compound in sewage by utilizing solidified algae pellets
09/20/2006CN1834034A Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell
09/20/2006CN1834033A Appts of utilizing upper-flowing multi-layer biofilm filtering technique to treat sewage
09/20/2006CN1834032A Denitrogeneration process of coked effluent
09/20/2006CN1834031A Sewage treatment technique for denitrifying denitrification and descaling
09/20/2006CN1834030A Prodn. process of dry aerobic granulated sludge specially for degrading toxic organics
09/20/2006CN1834029A Miniaturation method of aerobic sludge for degrading mononitrophenol
09/20/2006CN1834028A Water purifier of hanging mobile biochemical reactor
09/20/2006CN1834027A Water purifier of hanging rotary biochemical reactor, its basement construction system
09/20/2006CN1275883C Process for water supply deep treatment of catalyzing ozone oxydation by hydroxy ferric oxide as catalyst
09/20/2006CN1275877C ODB-2 alkaline waste water treatment method
09/20/2006CN1275867C Formation of composite materials with expandable matter
09/19/2006US7109022 Composition containing calcium carbonate particles dispersed in sulfur for removing nitrate nitrogen
09/19/2006US7108788 Sewage treatment of food wastes for multi unit dwellings, with transportion of wastes and wastewater
09/19/2006US7108782 Marine vessel onboard wastewater treatment system
09/19/2006CA2222112C Polyvinyl alcohol hydrogel and process for producing the same
09/14/2006WO2006096432A2 Biodestruction of blended residual oxidants
09/14/2006WO2006096151A1 Method for treating waste-activated sludge using elecroporation
09/14/2006WO2006095510A1 Waste gas/waste water treatment equipment and method of treating waste gas/waste water
09/14/2006WO2006095509A1 Method of wastewater treatment and wastewater treatment equipment
09/14/2006WO2006094422A1 Method and device for the purification of rain drainage water
09/14/2006WO2006023002A3 Compositions for removing halogenated hydrocarbons from contaminated environments
09/14/2006US20060201878 Device and method for bio-membrane filtration
09/14/2006US20060201877 Septic system cleaning
09/14/2006US20060201876 Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
09/13/2006EP1578696A4 Waste activated sludge anaerobic contact waste stream treatment process
09/13/2006CN2816026Y Split-diaphragm biochemical reacting device
09/13/2006CN2816025Y New type efficient rotary-mixing aeration device
09/13/2006CN2816015Y Intermediate water reulitization apparatus
09/13/2006CN1831113A Coagulating bacillus strain and use thereof
09/13/2006CN1831112A Prepn. used for repairing water ecological environment and its prepn. method
09/13/2006CN1830846A Treatment technology of mesitylene amine
09/13/2006CN1830845A Treatment technology of p-aminotoluene waste water
09/13/2006CN1830844A Synchronous denitrogen dephosphorus technology of city sewagte
09/13/2006CN1830843A Ecological treatment method for sewage subsidiary region and equipment
09/13/2006CN1830842A Treatment method of small town living, industrial, sewage
09/13/2006CN1830837A Immersion type hollow fiber film component element and its hollow fiber film component element unit
09/13/2006CN1830836A Biochemical, filtering, water isolation flexible pipe wall
09/13/2006CN1830835A Biological deodourization method of intermediate water and its device
09/13/2006CN1830834A Fixed type decanter
09/13/2006CN1274812C Specific bacterium YPC-TA1 and method for treating waste water
09/13/2006CN1274612C Method for adjusting and controlling character of mixed liquor in membrane bioreactor for controlling membrane pollution
09/13/2006CN1274611C Process for preparing water treatment biological filler
09/13/2006CN1274610C Biological oxidation solid liquid separation integrated water treatment technology
09/12/2006US7105337 Purifying t0oxin from water; obtain water sample, incubate with microorganism, recover purified water
09/12/2006US7105092 Sewage treatment process by activated-sludge method comprising line atomizing treatment
09/12/2006US7105091 Mixing a portion of a waste stream with activated sludge and then using controlled mixing, air exposure, residence time and settling sequences to create specialized population profiles; returning a fraction of the biological population to the treatment vessel, lowering solids levels
09/12/2006US7105085 Device for biological fluid treatment
09/08/2006WO2006093070A1 Water treatment system
09/08/2006WO2006092920A1 Wastewater treatment equipment and method of wastewater treatment
09/08/2006WO2006011921A3 Method and system for filtering sediment-bearing fluids
09/07/2006US20060196829 System for wastewater treatment and digestion having aerobic and anaerobic treatment zones
09/07/2006US20060196828 Biodestruction of blended residual oxidants
09/07/2006US20060196815 Apparatus for removing nitrogen
09/07/2006DE102005044166A1 Purification of rainwater (especially on the streets) involves separation into streams with dirt content separated off by a process more intense than purely gravitational separation
09/06/2006EP1698700A1 Method of imparting formladehyde-tolerance to plant and method of making plant to absorb environmental formaldehyde
09/06/2006EP1698595A1 Method of formation/recovery of magnesium ammonium phosphate and apparatus therefor
09/06/2006EP1698593A2 Sewage treatment system for use in marine toilet and other remote toilets