| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 07/20/2011 | CN102126792A Method for improving eutrophic water body by planting vegetables on water surface |
| 07/20/2011 | CN102126791A Anti-plugging method and device of constructed wetland |
| 07/20/2011 | CN102126790A Method and device for improving treatment efficiency of biological filter |
| 07/20/2011 | CN102126789A Method and device for removing nitrates from drinking water |
| 07/20/2011 | CN102126788A Aeration machine |
| 07/20/2011 | CN102126787A Activated sludge variable aerating method |
| 07/20/2011 | CN102126786A Spiral-flow type aerobic particle sludge reactor |
| 07/20/2011 | CN102126785A Device for sorting sludge with high sedimentation performance by activated sludge process and process |
| 07/20/2011 | CN102126784A Hollow fiber membrane filament root protecting device of membrane bioreactor (MBR) |
| 07/20/2011 | CN102126783A Method and device for repairing micro-polluted opening water bodies |
| 07/20/2011 | CN102126782A Suspension rope for biological contact filler |
| 07/20/2011 | CN101811805B Membrane bioreactor and method for producing drinking water |
| 07/20/2011 | CN101805058B Single-pipe external-compression type mechanical-circulation forced-cross flow solid and liquid-separating dynamic membrane system and device |
| 07/20/2011 | CN101792243B Two-stage biological selection denitrifying phosphorus and nitrogen removal sewage treatment device and method thereof |
| 07/20/2011 | CN101792241B Integrated automatic sludge returning aeration and sedimentation device |
| 07/20/2011 | CN101781067B Method for treating coking wastewater |
| 07/20/2011 | CN101767906B Complete-reclaiming process of down wastewater |
| 07/20/2011 | CN101759331B System for treating sewage of preposition activated sludge-gallery type artificial wetland and method therefor |
| 07/20/2011 | CN101759322B Production process for denim sewage treatment and pretreatment |
| 07/20/2011 | CN101746930B Advanced treatment method for pesticide industrial wastewater |
| 07/20/2011 | CN101746882B Biological filter material by utilizing sugar mill mud and method |
| 07/20/2011 | CN101734790B Water treatment method for controlling nitrogen and phosphorus contents and reducing sludge by using ozone coupling ASBR/SBR, and reactor |
| 07/20/2011 | CN101734762B Method for restoring groundwater polluted by reducing substances |
| 07/20/2011 | CN101723521B Method for preparing water purification agent for degrading nitrite and ammoniacal nitrogen in aquaculture water body |
| 07/20/2011 | CN101723512B Ammonia-contained waste water high-efficiency biochemical processing method |
| 07/20/2011 | CN101717155B Device for simulating land-based test of ship ballast water treatment system |
| 07/20/2011 | CN101704586B Nesting mixed flow constructed wetland |
| 07/20/2011 | CN101696056B Method and device for biologically oxidizing and filtering pre-processing of PPCPs in drinking water |
| 07/20/2011 | CN101648765B Method for zero discharge of wastewater in agar carrageenan production |
| 07/20/2011 | CN101638287B Sewage in-situ purification system using drainage ditch |
| 07/20/2011 | CN101602564B Method for treating coking wastewater |
| 07/20/2011 | CN101591070B Method for restoring ecology in water body in lake |
| 07/20/2011 | CN101575158B Garbage leachate treatment process and device |
| 07/20/2011 | CN101565231B Biological treatment method for polynitro arene or azo dye wastewater |
| 07/20/2011 | CN101550036B A fully soluble aquatic fertilizer and its preparation method |
| 07/20/2011 | CN101549903B Rapid starting method for biological nitration |
| 07/20/2011 | CN101538107B Method for treating wastewater in textile printing and dyeing industry |
| 07/20/2011 | CN101531444B Sewage recycling process for combination of biological rapid filtration and slow filtration |
| 07/20/2011 | CN101508488B Sequencing batch biomembrane reaction device and sewage treatment method |
| 07/20/2011 | CN101492229B Pulling flow type anaerobe reactor |
| 07/20/2011 | CN101486511B Air lift intermittent internal circulation denitrification dephosphorization sewage treatment process and apparatus |
| 07/20/2011 | CN101481197B Advanced treatment process for sewerage of oilfield heavy crude recovery |
| 07/20/2011 | CN101434443B Method and apparatus for treating oil refining sewerage |
| 07/20/2011 | CN101402934B Water quality purification bacterium agent from mix fermentation production with multiple bacterials and production method thereof |
| 07/20/2011 | CN101392245B Preparation and application of flocculating alcaligenes faecalis fixed pellet |
| 07/20/2011 | CN101343115B Unpowered bio-filter water purifying system with oxygenation and backwash functions |
| 07/20/2011 | CN101331849B Ecology reparation method of eutrophication barricaded sea area using gracilaria marine macroalgae |
| 07/20/2011 | CN101302069B Technological system and method for removing carbon, nitrogen and sulphur in waste water synchronously |
| 07/20/2011 | CN101293711B Quickly assembled sewage treatment system for artificial wet land and material filling unit |
| 07/20/2011 | CN101293702B Method for controlling membrane pollution in diaphragm bioreactor on line with medium, low voltage |
| 07/20/2011 | CN101209884B Method and device for comprehensive processing zero discharge and reusing commonly industrial wastewater |
| 07/19/2011 | US7981654 Cellulases and their uses |
| 07/19/2011 | US7981293 Method and apparatus for treatment of contaminated liquid |
| 07/19/2011 | US7981292 System and method for biological wastewater treatment and for using the byproduct thereof |
| 07/19/2011 | US7981291 Method and plant for the treatment of an aqueous waste stream |
| 07/19/2011 | US7980257 Parts washing system |
| 07/19/2011 | CA2729453A1 Submerged attached growth reactor |
| 07/14/2011 | WO2011084173A1 Method and computer program product for treating liquid containing impurities |
| 07/14/2011 | WO2011005522A4 Biofilm remediation of fracture fluid |
| 07/14/2011 | WO2010085993A8 System and method for conditioning and disposing of wastewater comprising salt and oil |
| 07/14/2011 | US20110171719 Prevention and Remediation of Petroleum Reservoir Souring and Corrosion by Treatment with Virulent Bacteriophage |
| 07/14/2011 | US20110168617 Advanced wastewater treatment device having movable dividers |
| 07/14/2011 | US20110168611 Wastewater treatment system and method |
| 07/14/2011 | US20110168021 Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste water |
| 07/14/2011 | DE102005036470B4 Verfahren und Abwasseraufbereitungsanlage zur Reinigung radioaktiv belasteter Abwässer Process and waste water treatment plant for the treatment of radioactively polluted wastewater |
| 07/13/2011 | EP2342165A2 Method and device for the biological treatment of a contaminated liquid feedstock containing a dispersible and digestible organic liquid phase such as an oil or a toxic solvent |
| 07/13/2011 | CN201896112U Integral buried sewage treatment equipment |
| 07/13/2011 | CN201896101U Microbe suspending medium for moving bed biofilm reactor |
| 07/13/2011 | CN201896100U Integrated biological micro-electrolysis reactor |
| 07/13/2011 | CN201896099U Biological aerated filter |
| 07/13/2011 | CN201896098U Deep well aeration device |
| 07/13/2011 | CN201896097U Sewage-treatment wind-energy aerating apparatus |
| 07/13/2011 | CN201896096U Aeration device for aeration tank |
| 07/13/2011 | CN201896095U Liftable aeration device |
| 07/13/2011 | CN201896094U Jet aerator |
| 07/13/2011 | CN201896093U Oxic moving bed biofilm reactor |
| 07/13/2011 | CN201896092U Municipal domestic sewage treatment device |
| 07/13/2011 | CN102123955A Processing of water using microorganisms |
| 07/13/2011 | CN102123776A Three-phase cascade separator |
| 07/13/2011 | CN102122134A Method and system for wastewater treatment of dissolved oxygen control based on fuzzy neural network |
| 07/13/2011 | CN102120976A Sphingobium yanoikuyae and application thereof in degrading polycyclic aromatic hydrocarbon |
| 07/13/2011 | CN102120680A Anoxic/oxic-membrane bioreactor water treatment device and sewage treatment method thereof |
| 07/13/2011 | CN102120679A Sulfur-containing and phenol-containing wastewater treatment method and device |
| 07/13/2011 | CN102120675A Zero-valent iron two-phase anaerobic reactor |
| 07/13/2011 | CN102120674A Zero-valent iron fortified anaerobic hydrolysis-acidification sewage treatment method |
| 07/13/2011 | CN102120649A Subcooled water bio-flocculation technique and implementation method thereof |
| 07/13/2011 | CN102120648A Water quality treatment suspending bed for eutrophic water area and water treatment method thereof |
| 07/13/2011 | CN102120647A Method for decreasing N2O generated in simultaneous biological denitrification and dephosphorization process |
| 07/13/2011 | CN102120646A Efficient anaerobic biological tower reactor |
| 07/13/2011 | CN102120645A Inverted umbrella shaped aerator |
| 07/13/2011 | CN102120644A Activated sludge inertia aeration method |
| 07/13/2011 | CN102120643A Sequencing batch reactor based high-concentration active sludge process for sewage treatment |
| 07/13/2011 | CN102120642A Aeration rotary brush |
| 07/13/2011 | CN102120632A Immersion tube type hollow fibrous membrane device |
| 07/13/2011 | CN102119652A Planting method based on overhanging board and circulated nutrient solution and device thereof |
| 07/13/2011 | CN101767865B Filler for sewage treatment and preparation method thereof |
| 07/13/2011 | CN101607760B Method form purifying polluted river |
| 07/13/2011 | CN101570382B Device for improving advanced nitrogen and phosphorus removal by step feed and method |
| 07/13/2011 | CN101560040B Method and device for processing pharmaceutical wastewater by pulse electrocoagulation-MBR |
| 07/13/2011 | CN101519265B Sewage treatment process and system |