| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/25/2011 | CN101580332B Tubificidae-microorganism symbiotic system muddy water degradation batch reactor and application thereof |
| 05/25/2011 | CN101580331B Tubificidae-microorganism symbiotic system muddy water degradation continuous flow reactor and application thereof |
| 05/25/2011 | CN101565258B Compound technology of biomembrane and granular sludge for treating sulfur-bearing organic wastewater |
| 05/25/2011 | CN101486522B Whole set water treatment apparatus for pure oxygen biological active carbon |
| 05/25/2011 | CN101445306B Coking wastewater treating method |
| 05/25/2011 | CN101402507B Constant-water level CAST wastewater treatment method and system |
| 05/25/2011 | CN101323488B Method for improving sewerage dephosphorization and denitrification effect |
| 05/25/2011 | CN101215069B Industrialization ecological treatment circulation utilization system for fish culture waste water |
| 05/25/2011 | CN101205096B Sewage treatment method capable of avoiding filler silting of subsurface flow constructed wetland and facilities thereof |
| 05/25/2011 | CN101166695B Device for treating fluids, especially waste water, comprising a stack of disks |
| 05/24/2011 | US7947178 Method and apparatus for the anaerobic treatment of waste water |
| 05/19/2011 | WO2011060107A1 Bioremediation system and devices and methods therefor |
| 05/19/2011 | WO2011059963A1 Methods, compositions and systems for controlling fouling of a membrane |
| 05/19/2011 | WO2011058566A1 Multistage biological reactor |
| 05/19/2011 | US20110117630 Method for Producing Extracellular Multi-Enzyme Complexes in Host Cells |
| 05/19/2011 | US20110114556 Soft Fail Algae Growth System and Method |
| 05/19/2011 | US20110114545 Device for the purification of waste water |
| 05/19/2011 | DE102010051251A1 Filtermaterial für Filter in Wasserbehandlungs- und Aufbereitungsanlagen Filter material for filters in water treatment and purification equipment |
| 05/19/2011 | DE102009048333A1 Treating nitrogen containing waste water, comprises providing reactor with liquid for growth of several microorganisms, and introducing nitrogen containing waste water into the reactor and discharging effluent from the reactor |
| 05/19/2011 | CA2780118A1 Methods, compositions and systems for controlling fouling of a membrane |
| 05/19/2011 | CA2722100A1 Improved aeration diffuser |
| 05/18/2011 | EP2322487A1 Device for the purification of sanitary waste water |
| 05/18/2011 | EP2322485A1 Improvements in and relating to fluid bed expansion and fluidisation |
| 05/18/2011 | EP2321229A1 Waste water cleaning device comprising an anaerobic fixed bed filter and an electroflocculation cell |
| 05/18/2011 | EP2321227A1 Gray water utilization system having aerator control |
| 05/18/2011 | EP2217535B1 Compact lift arrangement |
| 05/18/2011 | EP2164810B1 Method of introducing oxygen into a process tank during biological treatment |
| 05/18/2011 | CN201834834U Culture farm sewage fermentation conveyer |
| 05/18/2011 | CN201834831U Small-sized hydraulic power automatic biofiltration device |
| 05/18/2011 | CN201834830U Integrated sewage treatment device |
| 05/18/2011 | CN201834829U Immobilized membrane bioreactor |
| 05/18/2011 | CN201834828U Treatment device for reclaimed water reuse |
| 05/18/2011 | CN201834809U High-reoxygenation tidal flow constructed wetland |
| 05/18/2011 | CN201834808U Double-pipe immersing type water distributer of ecological subsurface flow constructed wetland |
| 05/18/2011 | CN201834807U Pressure tube sewage processing reactor |
| 05/18/2011 | CN201834806U Reaction device for synchronous nitrogen and phosphorus removal |
| 05/18/2011 | CN201834805U Aeration inclined-plate type grid |
| 05/18/2011 | CN201834804U Biological aeration filter |
| 05/18/2011 | CN201834803U Novel packaged aeration connector of membrane bioreactor |
| 05/18/2011 | CN201834802U Membrane module of single-end fixed beam type membrane bioreactor |
| 05/18/2011 | CN201834801U Jet aerator |
| 05/18/2011 | CN201834800U Positive and negative pressure protector of corrosive gas |
| 05/18/2011 | CN201832571U Jet type hydraulic mixer |
| 05/18/2011 | CN1890016B Membrane modules and integrated membrane cassettes |
| 05/18/2011 | CN102066272A Resilient member and bio film reactor |
| 05/18/2011 | CN102063115A Real-time automatically back-flushing control system of denitrification filter pool and running method |
| 05/18/2011 | CN102061677A Full-section water wetland purification system suitable for normal water level of river |
| 05/18/2011 | CN102061281A Method for enriching and culturing anaerobic ammonia oxidizing bacteria by using membrane bioreactor |
| 05/18/2011 | CN102061277A Acinetobacter johnsonii strain for biological denitrification under low temperature and application thereof |
| 05/18/2011 | CN102061276A Pseudomonas sp. strain for biological denitrification under low temperature and application thereof |
| 05/18/2011 | CN102061275A Pseudomonas stutzeri and application thereof to water body dephosphorization |
| 05/18/2011 | CN102060457A Method for manufacturing filter material for biological aerated filter by utilizing waste fly ash and waste coal gangue |
| 05/18/2011 | CN102060424A Method for synergistically decreasing residential sludge by utilizing ozone preoxidation-membrane bioreactor |
| 05/18/2011 | CN102060420A Method for removing lake bottom sediment nutrient by utilizing coal ash binding particle |
| 05/18/2011 | CN102060413A Urban sewage treatment device adopting denitrifying glycogen accumulating organisms (DGAOs) and treatment method thereof |
| 05/18/2011 | CN102060410A Method for treating synthetic wastewater |
| 05/18/2011 | CN102060390A Auxiliary purification device of sewage conveying pipeline |
| 05/18/2011 | CN102060389A Composite microecological preparation capable of degrading nitrites in water body rapidly |
| 05/18/2011 | CN102060388A Three-dimensional landscape impounding reservoir system and method for recovering urban roofing rainwater by using same |
| 05/18/2011 | CN102060387A Method for treating polluted water body by using water hyacinths |
| 05/18/2011 | CN102060386A Method for constructing floating wetland |
| 05/18/2011 | CN102060385A Biological wall body in water-based ecological niche form |
| 05/18/2011 | CN102060384A Underwater lawn capable of removing phosphorous and inhibiting algae and construction method thereof |
| 05/18/2011 | CN102060383A Floating treatment streambed |
| 05/18/2011 | CN102060382A Method for screening and arranging artificial wetland winter plants for purifying domestic sewage in subtropical regions |
| 05/18/2011 | CN102060381A Biological filler bag and application thereof in sewage treatment |
| 05/18/2011 | CN102060380A Quinones-modified biological vector and application thereof in accelerating microbial denitrifying process |
| 05/18/2011 | CN102060379A Application of immobilized quinone compound in accelerating denitrification process of microorganism |
| 05/18/2011 | CN102060378A Method for carrying out denitrifying phosphorus removal by controlling sectional addition of nitrite in real time |
| 05/18/2011 | CN102060377A Method for enriched culture of nitrite-oxidizing bacterium granular sludge |
| 05/18/2011 | CN102060376A Air weir-type water decanter |
| 05/18/2011 | CN102060375A Spiral filler |
| 05/18/2011 | CN102060374A Preparation method of composite biological packing |
| 05/18/2011 | CN102060373A Wind-powered micro aeration device |
| 05/18/2011 | CN102060372A Porous filler with large specific surface area for wastewater denitrification and preparation method thereof |
| 05/18/2011 | CN102060371A Composite material for processing sewage |
| 05/18/2011 | CN102060337A Recirculation unit and method for waste leachate or concentrate thereof |
| 05/18/2011 | CN102059247A Vehicle-mounted repairing equipment and method for polluted site soil and underground water body |
| 05/18/2011 | CN101723507B Three-dimensional concrete filling material for water treatment and preparation method thereof |
| 05/18/2011 | CN101708892B Advanced treatment method for coal chemical wastewater |
| 05/18/2011 | CN101704611B Method for processing percolation liquid of domestic garbage |
| 05/18/2011 | CN101700942B Device and method for processing waste firedamp liquid |
| 05/18/2011 | CN101693579B Method for processing high-concentration wastewater containing alkaline mud |
| 05/18/2011 | CN101671092B Sewage treatment system and method for combined tidal flow artificial wetland |
| 05/18/2011 | CN101659480B Biomembrane pipeline for treating waste water and operation method for treating waste water thereof |
| 05/18/2011 | CN101643271B High-efficiency biological denitrification method for waste water |
| 05/18/2011 | CN101618913B Application of valerian in treating livestock breeding wastewater |
| 05/18/2011 | CN101613153B Vertical anaerobic process tank integrated triphase separator |
| 05/18/2011 | CN101607758B Method for controlling membrane fouling trapping membrane pollutants in different positions |
| 05/18/2011 | CN101602546B Anaerobic reactor and wastewater treatment method with same |
| 05/18/2011 | CN101602545B Method for obtaining stable nitrite accumulation by sewage denitrification |
| 05/18/2011 | CN101597121B Distributed domestic sewage treatment reactor and treatment method thereof |
| 05/18/2011 | CN101508481B Wetland stuffing used in method for sewage treatment with artificial wetland |
| 05/18/2011 | CN101503250B Method for purifying hogpen wastewater |
| 05/18/2011 | CN101428944B Method for recycling purified terephthalic acid wastewater |
| 05/18/2011 | CN101348383B Ceramic particle for water treatment and preparation thereof |
| 05/18/2011 | CN101239751B Method for treating high concentration ammonia nitrogen waste water |
| 05/13/2011 | CA2720605A1 Device for supplying gas into water |
| 05/12/2011 | WO2011056159A1 Waste sludge digestion process by sequential intermittent ozone dosing |
| 05/12/2011 | WO2011055101A1 Method for recovering inert or living microparticles and use and installation of same |