| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/02/2013 | CN102851227A Method for screening heterotrophic nitrification bacteria for treating slightly-polluted water |
| 01/02/2013 | CN102849909A Process method for domesticating alkali-resistant wastewater active sludge |
| 01/02/2013 | CN102849903A Method for repairing water quality of river based on system coupling mode |
| 01/02/2013 | CN102849858A Wastewater biological treatment method for performing microbubble aeration through SPG membrane |
| 01/02/2013 | CN102849857A Method for treating high-salinity high-concentration ammonia-nitrogen wastewater |
| 01/02/2013 | CN102849856A Preparation method of constructed wetlands surface matrix |
| 01/02/2013 | CN102849855A Preparation and application of dephosphorizing adsorbents for constructed wetlands |
| 01/02/2013 | CN102849854A Household miniature integrated device for sewage treatment |
| 01/02/2013 | CN102849853A Multifunctional purified ecological floating wetland and its manufacturing method |
| 01/02/2013 | CN102849852A Method for screening biological material for ecological restoration of eutrophic water body |
| 01/02/2013 | CN102849851A Intelligent sewage treatment device based on embedded system |
| 01/02/2013 | CN102849850A Reduction control device and method for N2O produced in denitrification dephosphorization process |
| 01/02/2013 | CN102849849A Method for treating urban domestic sewage based on magnetic nanomaterial reinforced activated sludge |
| 01/02/2013 | CN102849848A Inner circulation bio-filter reactor and sewage treatment method |
| 01/02/2013 | CN102849847A Wastewater aeration device with elevation overflowing function |
| 01/02/2013 | CN102849846A Ecological regulation method of water quality of silt containing water source |
| 01/02/2013 | CN102849845A Preparation method and application of biological carbon fiber water treatment filler |
| 01/02/2013 | CN102849844A Coupling bioreactor and method for simultaneously purifying malodorous gas and waste water by using same |
| 01/02/2013 | CN102849843A Novel membrane assembly with gas nozzle for MBR |
| 01/02/2013 | CN102849842A Prefabricated membrane biological reaction tank for sewage treatment |
| 01/02/2013 | CN102849841A Prefabricated reaction tank for biological contact oxidation for sewage pretreatment |
| 01/02/2013 | CN102847438A Membrane module for MBR having central tube |
| 01/02/2013 | CN102847410A Combined treatment method for multiple phase state catering lampblack |
| 01/02/2013 | CN102845175A Sewage cellar water-saving and drought-resistance system |
| 01/02/2013 | CN102408160B Biodegradable perforated plate for adsorption and biodegradation of petroleum hydrocarbon pollutants as well as preparation method thereof |
| 01/02/2013 | CN102381769B Device for simulating biological repair of sea beach oil spill and application |
| 01/02/2013 | CN102351319B Method for biologically treating sewage through cation exchange, adsorption and filtering by using rice hull carbon |
| 01/02/2013 | CN102329008B Method for removing phenol pollutants in water body by using immobilized laccase based on magnetic mesoporous carbon |
| 01/02/2013 | CN102328994B Method for preparing granular sludge added with Mn2+ |
| 01/02/2013 | CN102311170B Non-powered domestic sewage treatment plant |
| 01/02/2013 | CN102295394B Culture method of microbial film in biological-filtering pool for lobworm |
| 01/02/2013 | CN102276053B Method for performing advanced treatment on refinery waste water |
| 01/02/2013 | CN102234165B System for purifying sewage with constructed wetland, and system method for purifying pollution source water from water works |
| 01/02/2013 | CN102190376B Integrated flow constructed wetland treatment system |
| 01/02/2013 | CN102153194B Upflow subregion anammox bioreactor |
| 01/02/2013 | CN102115264B Technological method for deeply treating papermaking wastewater by biological enzyme |
| 01/02/2013 | CN102092853B Scattered sewage subsurface infiltration ecological processing system |
| 01/02/2013 | CN102001749B Method for improving efficiency of anaerobic baffled reactor and pulse-type anaerobic baffled reactor |
| 01/02/2013 | CN101962246B Method for treating and recycling MTO process wastewater |
| 01/02/2013 | CN101918325B Membrane-separation active sludge system to be located outside tank |
| 01/02/2013 | CN101836600B Method for ecologically breeding Chinese soft-shelled turtles on big water surfaces without rails |
| 01/02/2013 | CN101774702B High-efficiency soft wastewater treatment biochemical reactor |
| 01/02/2013 | CN101734826B Process method for treating coking wastewater |
| 01/02/2013 | CN101607780B Process for treating tar product wastewater |
| 01/02/2013 | CN101565238B Novel internal circulation moving bed biological film reactor |
| 01/01/2013 | US8342337 Water sampling device and method for use with a radiation probe |
| 12/27/2012 | WO2012177907A1 System and method for oxygen supply for wastewater treatment plant having biological treatment system and supercritical water oxidation treatment of sludge |
| 12/27/2012 | WO2012176974A1 Floating filter module, and water treatment apparatus and method using same |
| 12/27/2012 | WO2012176753A1 Method and apparatus for treating organic waste water and organic sludge |
| 12/27/2012 | WO2012175977A1 Filter elements for biological filtration arrangements |
| 12/27/2012 | WO2012175489A1 Sequential process for biologically treating water implementing biomass granules |
| 12/27/2012 | WO2012174985A1 Water body ecological restoration method using rotenone |
| 12/27/2012 | WO2012174984A1 Water body ecological restoration method using plecostomus punctatus |
| 12/27/2012 | WO2012174983A1 Method for planting aquatic weeds by underwater suspension and suspended aquatic weed bed apparatus for recovery of aquatic ecology |
| 12/27/2012 | WO2012174982A1 Method for modular planting of aquatic weeds and module for aquatic weed cultivation for recovery of aquatic ecology |
| 12/27/2012 | WO2012150296A3 Effluent treatment process and plant |
| 12/27/2012 | WO2012139917A3 Process and plant for biological purification of coking plant wastewater |
| 12/27/2012 | WO2012135150A3 Production of cyanobacterial or algal biomass using chitin as a nitrogen source |
| 12/27/2012 | WO2012122437A3 Mesoporous catalysts of magnetic nanoparticles and free-radical-producing enzymes, and methods of use |
| 12/27/2012 | WO2012112569A3 Method and system for controlling carbon source feed to denitrification filters |
| 12/27/2012 | WO2012107936A3 A devise and method to separate at entry polluted water from clean water and treat it inside a river and inside a lake |
| 12/27/2012 | US20120325740 Organism metabolites for removal of pollutants from brine |
| 12/27/2012 | DE102007034133B4 Verfahren zum Betrieb einer Kläranlage Method for operating a wastewater treatment plant |
| 12/27/2012 | CA2837884A1 Method for the sequenced biological treatment of water implementing biomass granules |
| 12/26/2012 | EP2537810A2 Method and apparatus for generating fresh water, and method and apparatus for desalinating sea water |
| 12/26/2012 | EP2537809A2 Method and apparatus for generating fresh water, and method and apparatus for desalinating sea water |
| 12/26/2012 | EP2537808A2 Method and apparatus for generating fresh water, and method and apparatus for desalinating sea water |
| 12/26/2012 | EP2536667A1 Installation for treating digestates from at least one chamber for the methanation of essentially organic materials |
| 12/26/2012 | EP2536666A2 Device for cleaning waste water containing a bioreactor and filter modules arranged in parallel |
| 12/26/2012 | EP2536665A1 Bioretention module, method and system for treating water |
| 12/26/2012 | CN202627166U Novel water-discharging ecological zone for town road |
| 12/26/2012 | CN202626176U Urine resource recovery and energy regeneration treatment device |
| 12/26/2012 | CN202625987U Integral reclaimed water reusing device for Northern residential districts |
| 12/26/2012 | CN202625975U Device for strengthening synchronous nitrification and denitrification (SND) biological nitrogen and phosphorus removal through step-feeding process |
| 12/26/2012 | CN202625940U Submerged aerator |
| 12/26/2012 | CN202625935U Environmental microbial degradation discharge water purifying device |
| 12/26/2012 | CN202625934U Combined floating bed used for constructing river channel ecosystem |
| 12/26/2012 | CN202625933U Solar energy water body remedying and landscaping device in floating island form |
| 12/26/2012 | CN202625932U Rainwater ecological purification use system for compound type medium |
| 12/26/2012 | CN202625931U Purification device for ecological recovery of water body |
| 12/26/2012 | CN202625930U System for treating production sewage of jujube processing industry |
| 12/26/2012 | CN202625929U Anaerobic-anoxic-aerobic biological denitrification dephosphorization process testing device |
| 12/26/2012 | CN202625928U Sewage biological treatment device |
| 12/26/2012 | CN202625927U Integration internal circulation type denitrification decarburization biological membrane reactor |
| 12/26/2012 | CN202625926U Bioreactor |
| 12/26/2012 | CN202625925U Anaerobic reactor with floating roof |
| 12/26/2012 | CN202625924U High-compression-resistance intensive integral septic tank mold with wave crest structural wall |
| 12/26/2012 | CN202625923U Unpowered anaerobic device |
| 12/26/2012 | CN202625922U Environment-friendly spherical septic tank |
| 12/26/2012 | CN202625921U Gas injection self-priming bidirectional adjustable high-efficiency low-consumption jet aeration system |
| 12/26/2012 | CN202625920U Sewage treatment system |
| 12/26/2012 | CN202625919U Curtain type biological vector |
| 12/26/2012 | CN202625918U Novel filler aeration biofilter |
| 12/26/2012 | CN202625917U Composite filler biological aerated filter |
| 12/26/2012 | CN202625916U Microorganism fixing device and sewage treatment tank provided with same |
| 12/26/2012 | CN202625915U Upward flow aeration biofilter |
| 12/26/2012 | CN202625914U Water distribution device |
| 12/26/2012 | CN202625913U Unpowered aerating device |
| 12/26/2012 | CN202625912U Carbon fiber biological filler combined structure |
| 12/26/2012 | CN202617798U Plant aquatic planter |