| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 07/02/2008 | CN101209888A Recycling processing technique for dyeing and printing sewage |
| 07/02/2008 | CN101209887A Sewage denitrification dephosphorization system and operation method |
| 07/02/2008 | CN101209886A Advanced treatment recycling technique of urban sewage |
| 07/02/2008 | CN101209885A Wastewater treatment method of garbage leachate |
| 07/02/2008 | CN101209884A Method and device for comprehensive processing zero discharge and recovering commonly industrial wastewater |
| 07/02/2008 | CN101209881A Method and system for processing leachate of garbage burning factory |
| 07/02/2008 | CN101209880A Method for purifying cultivation sewage by í«marine sponge-microalgaeí» integration system |
| 07/02/2008 | CN101209879A Method for filtering organic waste matter in cultivation sea water by marine sponge |
| 07/02/2008 | CN101209878A Production technology of plant growth regulator type fertilizer adhesive |
| 07/02/2008 | CN101209877A New material of biomembrane sewage treating apparatus and uses thereof |
| 07/02/2008 | CN100398656C Transgened-tobacco for degrading organic mercury pollution |
| 07/02/2008 | CN100398470C Infiltration method for treating garbage |
| 07/02/2008 | CN100398469C Apparatus and method for performing tertiary treatment of sewage based on porous filtering media |
| 07/02/2008 | CN100398466C North low-temperature area undercurrent artificial wetland winter operation method |
| 07/02/2008 | CN100398465C Composite artificial marshland water quality clarification system in north low-temperature area |
| 07/02/2008 | CN100398464C Composite surface-flow land wetting system |
| 07/02/2008 | CN100398463C Anaerobic active sludge process |
| 07/02/2008 | CN100398462C Vane of aerater |
| 07/02/2008 | CN100398461C High efficiency method of treating household sewage by artificial wet land |
| 07/02/2008 | CN100398438C Active mane charcoal preparation process |
| 07/01/2008 | US7393452 A valency of a redox mediator species is manipulated by encapsulated microorganisms so that, under anaerobic conditions, the redox mediator species is reduced to a lower order valency, and under aerobic conditions, the redox mediator species is oxidized to a higher order valency; demetallization |
| 06/26/2008 | WO2008076928A2 An additive to mitigate hydrogen sulfide and method of using the same |
| 06/26/2008 | WO2008075678A1 Method for treatment of oil-and-fat-containing wastewater using yeast, and novel yeast |
| 06/26/2008 | US20080153154 Water treatment system including foam block |
| 06/26/2008 | DE212006000059U1 Anlage zur Nitrifizierung von Abwässern Plant for nitrification of wastewater |
| 06/26/2008 | DE102006060588A1 Arrangement for dispensing dosing quantity of fluid substances into sewage of a clarification plant, comprises a container for storing the fluid substances, a delivery line, a conveying pump formed as a suction pump, and a level indicator |
| 06/26/2008 | DE102006060428A1 Process for the continuous purification of waste water in papermaking, comprises feeding waste water to anaerobic reactor, and contacting the water in reactor with anaerobic microorganisms to degrade contaminants present in water |
| 06/26/2008 | DE102006060426A1 Method for purifying effluent, particularly continuous purification of effluent in paper industry, involves utilizing aerobic reactor, which cleans supplied effluent by aerobic microorganisms |
| 06/26/2008 | DE102006032489B4 Reaktor mit Zulaufverteilsystem zur anaeroben Abwasserreinigung Reactor for anaerobic wastewater treatment with Zulaufverteilsystem |
| 06/25/2008 | EP1935851A1 Plantations for biological treatment of organic effluent |
| 06/25/2008 | EP1934147A2 Method for initiating microbiological processes in artificial waters |
| 06/25/2008 | EP1934146A1 Saf system and method involving specific treatments at respective stages |
| 06/25/2008 | EP1007482B2 Method for purifying waste water comprising an additional sludge treatment by ozonation |
| 06/25/2008 | CN201077808Y Flush-with-ground type sewage treating device |
| 06/25/2008 | CN201077806Y Water distributing and water level regulating device of artificial marshland sewage disposal system |
| 06/25/2008 | CN201077805Y A2O+A/O process seprobia denitrification phosphorus removal experiment teaching device |
| 06/25/2008 | CN201077804Y Intrinsic cycle anaerobic flow equalizing double reaction tower |
| 06/25/2008 | CN201077803Y Pulse water distributing device |
| 06/25/2008 | CN201077802Y Nanometer aeration pipe |
| 06/25/2008 | CN201077801Y Microorganism stuffing used for sewage disposal |
| 06/25/2008 | CN201077800Y Microorganism stuffing |
| 06/25/2008 | CN201077799Y Biology suspending stuffing |
| 06/25/2008 | CN201077798Y Quick separating biological treatment device |
| 06/25/2008 | CN201077797Y Aeration device |
| 06/25/2008 | CN201077796Y Aeration system air pipe water accumulation automatic emptier |
| 06/25/2008 | CN201077795Y Aeration pipe micro-resistance stable supporting pipe |
| 06/25/2008 | CN201077794Y Novel biochemical reactor |
| 06/25/2008 | CN201077793Y Combination type biologic oxidation tower used for sewage water regeneration recycle device |
| 06/25/2008 | CN101205524A Method for treating industrial waste and fermentation production of microbial oil by microorganism as well as special strain thereof |
| 06/25/2008 | CN101205110A Sewage water treatment device and method thereof |
| 06/25/2008 | CN101205109A Apparatus for treating chemical fiber waste water by anaerobic method |
| 06/25/2008 | CN101205108A Highly effective composite hydrolytic acidation cell having both sewage treatment and sludge reduction functions |
| 06/25/2008 | CN101205107A Method for treating and recycling paper-making waste water |
| 06/25/2008 | CN101205106A Handling method for refractory waste water |
| 06/25/2008 | CN101205101A Treatment method of oil-containing waste water |
| 06/25/2008 | CN101205100A Integral combined process treatment reactor for city sewage |
| 06/25/2008 | CN101205099A Nitrosobacterium-anaerobic ammonium oxidizing bacteria immobilization and middle-temperature sewage treatment process |
| 06/25/2008 | CN101205098A Integrated sequencing-batch method for treating sewage by plant micro-net dynamic membrane and apparatus therefor |
| 06/25/2008 | CN101205097A Two-stage A/O vertical flow artificial wetland sewage treatment system |
| 06/25/2008 | CN101205096A Sewage treatment method capable of avoiding filler silting of subsurface flow constructed wetland and facilities thereof |
| 06/25/2008 | CN100396628C Treatment method and equipment for fracturing flowback waste water |
| 06/25/2008 | CN100396625C Bacterial strain for removing total dissolved solids (TDS) from tannery wastewaters |
| 06/25/2008 | CN100396624C Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal |
| 06/25/2008 | CN100396618C Polluted fluid purifying method and system |
| 06/25/2008 | CN100396617C High-salt epoxy resin production waste-water film integrated salt recovery and biochemical treatment method |
| 06/24/2008 | US7390410 Method and apparatus for the anaerobic treatment of waste |
| 06/24/2008 | US7390404 Apparatus and method for remediation of a drain system |
| 06/24/2008 | US7390400 Denitrification reactor with a fixed culture |
| 06/22/2008 | CA2616639A1 Water treatment system including foam block |
| 06/19/2008 | WO2008072264A1 Sewage purification plant and process thereof |
| 06/19/2008 | US20080145917 Method of Degrading Tbp Using a Photosynthetic Bacterial Strain |
| 06/19/2008 | US20080142438 Wetland water treatment system |
| 06/19/2008 | US20080142437 Anaerobic wastewater treatment system and method |
| 06/19/2008 | US20080142424 Gas-Liquid Dissolving Apparatus |
| 06/19/2008 | DE102006059198A1 Procedure and device for exact measurement of pressure in small clarification plant with sequencing batch reactor procedure, comprises a pressure sensor connected to air conducting pipe line and/or components connected with the pipe line |
| 06/19/2008 | DE102006058932A1 Gär- bzw. Faulbehälter Fermentation or digestion tank |
| 06/18/2008 | EP1931603A1 Dynamic control of membrane bioreactor system |
| 06/18/2008 | EP1931602A1 Improvement on a system for treating residual water |
| 06/18/2008 | EP1931601A2 Denitrification process and system |
| 06/18/2008 | EP1744972A4 Method for breaking a flap-valve attachment condition under a membrane cover |
| 06/18/2008 | EP1529018A4 Tidal vertical flow wastewater treatment system and method |
| 06/18/2008 | CN201074200Y Device for degrading water body harmful algae by employing microorganism |
| 06/18/2008 | CN201074199Y Negative pressure vacuum sludge concentrating device |
| 06/18/2008 | CN201074198Y Sewage biochemical processor |
| 06/18/2008 | CN201074197Y Combined type non-power gravitational sewage biological treatment apparatus |
| 06/18/2008 | CN201074196Y Novel 3-phase inner-circulation biological wastewater treatment fluidized bed apparatus |
| 06/18/2008 | CN201074195Y Overflow plug-flow biological filter bed |
| 06/18/2008 | CN101203462A Method of biological treatment for organic sewage and apparatus therefor |
| 06/18/2008 | CN101201592A Control simulation method for waste water treatment process as well as simulation method thereof |
| 06/18/2008 | CN101200362A Method for preparing aeration bio-filter granulated filler |
| 06/18/2008 | CN101200341A High road service area sewage water treating process and dynamic membrane bioreactor |
| 06/18/2008 | CN101200340A Sewage water treatment system |
| 06/18/2008 | CN101200339A Sewage treatment method |
| 06/18/2008 | CN101200338A Method for removing organics and ammonia nitrogen from aquaculture water |
| 06/18/2008 | CN101200337A Water treatment method of circulating-water culture system |
| 06/18/2008 | CN101200332A Method for removing nitrate nitrogen from aquaculture water |
| 06/18/2008 | CN101200331A Method for producing reclaimed water by membrane bioreactor-ozone combination technique |
| 06/18/2008 | CN101200330A Submerged aeration machine |
| 06/18/2008 | CN101200329A Method for treating sewage and sludge by combination of biological membrane and water earthworm |
| 06/18/2008 | CN100395327C Microbial materials for degradation of oils and toxic chemicals |