Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
08/2012
08/22/2012CN102642926A Sewage treatment system and sewage treatment method of anaerobic fluidized bed-micro aerobic membrane bioreactor
08/22/2012CN102642925A Annular aeration biological filter sewage low carbon treatment reactor
08/22/2012CN102642924A Method for quickly starting completely autotrophic nitrogen removal over nitrite process on sewage on conditions of constant temperature and low ammonia nitrogen
08/22/2012CN102642923A Improved expanded granular sludge bed (EGSB) reactor and method utilizing improved EGSB reactor to improve organic wastewater treatment efficiency
08/22/2012CN102642922A External anaerobic membrane bioreactor
08/22/2012CN102642921A Surface aeration machine
08/22/2012CN102642920A Membrane bioreactor system for studying improvement on membrane pollution of filler, quantitative test method and application
08/22/2012CN102642919A Application of hollow glass bead biological membrane carrier in wastewater treatment
08/22/2012CN102642918A Coupled plate membrane component
08/22/2012CN102642917A Displacement type flat master boot record (MBR) membrane assembly
08/22/2012CN102642916A Master boot record (MBR) membrane biological reactor
08/22/2012CN102642915A Stainless steel water collection pipe
08/22/2012CN102642914A Device for catalyzing degradation of sludge
08/22/2012CN102211818B Improved design method of horizontal subsurface flow wetland for coping with substrate clogging
08/22/2012CN102153251B External anaerobic membrane bioreactor and waste water purification technology thereof
08/22/2012CN102153197B Internal circulation anaerobic reactor
08/22/2012CN102107924B Method for comprehensively recovering and treating furfural industrial wastewater
08/22/2012CN102092848B Anaerobic reactor of horizontal flow fixed bed
08/22/2012CN102092841B Pulse aeration biological contact oxidation water treatment device
08/22/2012CN102060384B Underwater lawn capable of removing phosphorous and inhibiting algae and construction method thereof
08/22/2012CN102040311B Oil field polymer flooding produced water treatment method
08/22/2012CN102010066B Method for purifying sewage in vertical-flow artificial wetland
08/22/2012CN101960951B Submerged macrophytes restoring process guided by water conservation fishery
08/22/2012CN101948181B Method for treating thick oil sewage and application of thermophile bacteria in method
08/22/2012CN101891357B Natural power sewage biological purifier
08/22/2012CN101853955B Two-chambered alga microbial fuel cell and treatment wastewater method of low energy consumption thereof
08/22/2012CN101838046B Method for treating sewage by using biological membrane and equipment thereof
08/22/2012CN101830563B Anti-wave ecological floating bed
08/22/2012CN101734783B Method and device for purifying combined-flow artificial floating island water body
08/22/2012CN101731450B Preparation method of single cell protein feed by taking acetone butanol fermentation wastewater as raw materials
08/22/2012CN101525204B Method for treating village sewage and specific device thereof
08/22/2012CN101405227B Diffuser for aeration
08/22/2012CN101058458B Water purifying device and system for hanging swinging type biochemical reactor
08/21/2012US8246831 Digesting and continuously self-cleaning aquarium filter
08/21/2012US8246830 Method and device for removing biological nitrogen and support therefor
08/21/2012US8246829 Systems and methods for water treatment and remediation
08/21/2012US8246828 Methods for selectively producing hydrogen and methane from biomass feedstocks using an anaerobic biological system
08/18/2012CA2732052A1 Variable speed drive for horizontal anaerobic digester
08/16/2012WO2012108438A1 Method for treating 1,4-dioxane-containing wastewater, and treatment device
08/16/2012WO2012108437A1 Method for treating 1,4-dioxane-containing wastewater, and treatment device
08/16/2012WO2012108035A1 Sewage treatment system in sewerage system
08/16/2012WO2012108008A1 Membrane air diffuser
08/16/2012WO2012107817A1 A method and a device for treating effluent seawater from a seawater scrubber
08/16/2012WO2012107227A1 Separator installation and monitoring device
08/16/2012WO2012068236A3 Novel fungal oxidoreductases
08/16/2012US20120208261 Method of removing heavy metals in soils and water
08/16/2012CA2731834A1 Stacked digester tanks for horizontal anaerobic digester
08/15/2012EP2487139A1 Additive used in a membrane-separation activated sludge process
08/15/2012EP2486969A1 A method and a device for treating effluent seawater from a seawater scrubber
08/15/2012EP2485986A1 Device for cleaning wastewater comprising contaminants and that can be or is installed in a watercraft
08/15/2012EP2485985A1 Method and apparatus for cleaning wastewater
08/15/2012EP2485984A1 Method for enhancing biological water treatment
08/15/2012CN202379855U New treatment device for Kluyveromyces fragilis wastewater
08/15/2012CN202379852U Two-stage membrane filter device
08/15/2012CN202379845U Efficient-denitrification manual under soil percolated sewage treatment composite system
08/15/2012CN202379815U Automatic oxygenator utilizing river dynamic power to oxygenate river water
08/15/2012CN202379812U Biological vector for treating sewage
08/15/2012CN202379811U Microorganism antifouling and deodorizing generator
08/15/2012CN202379810U Novel multiple-effect ecological field
08/15/2012CN202379809U Vegetation purification system for purifying mine sewage
08/15/2012CN202379808U Terminal garbage percolate shortcut nitrification and anaerobic ammonia oxidation combination denitrification device
08/15/2012CN202379807U Device for recycling methane of sewage treatment pool
08/15/2012CN202379806U Biogas recycling and utilizing device of domestic sewage
08/15/2012CN202379805U Plastic digestion tank
08/15/2012CN202379804U High-efficiency jet biochemical reactor
08/15/2012CN202379803U Staggered flow type aeration, sediment and filter device
08/15/2012CN202379802U Air lift type underwater aeration device based on high pressure air pump system
08/15/2012CN202379801U Accurate aeration and low oxygen integration bioreactor
08/15/2012CN202379800U Polyurethane foam perforated carrier
08/15/2012CN202379799U Suspended filler rapid film forming device and sequencing batch biofilm reactor comprising same
08/15/2012CN202379798U Unpowered biological tricking filter
08/15/2012CN202379797U Expansion type gas blocking device applied to underground-water air injection technology
08/15/2012CN202379796U Coal gasification waste water advanced treatment device
08/15/2012CN202379795U Mixed solution interception device for water outlet well of seguencing batch reactor activated sludge process (SBR) tank
08/15/2012CN202379794U Silk cube biological suspended filler
08/15/2012CN102639450A Low concentration wastewater treatment system and process
08/15/2012CN102639449A Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes
08/15/2012CN102639448A Fluidized membrane bioreactor
08/15/2012CN102637044A Energy-saving intermittent aeration control system
08/15/2012CN102635237A Method for pouring ABR (Acrylate Butadience Rubber) reaction tank baffle
08/15/2012CN102635099A Water-surface efficient wave-preventing and wave-reducing floating island net technology for planting higher plants to restrain algal bloom
08/15/2012CN102634475A Preparation and application methods of transgenic nitrifying bacteria
08/15/2012CN102633413A Process for treating oilfield alkaline-surfactant-polymer flooding produced water
08/15/2012CN102633412A Dynamic membrane anaerobic-aerobic circular integration sewage treatment method
08/15/2012CN102633370A Artificial light source allocating method for purifying cow manure wastewater by using microalgae
08/15/2012CN102633369A Method for repairing micro-polluted water body by utilizing bottom mud biological agent
08/15/2012CN102633368A Light quality and illumination intensity deployment strategy method by utilizing microalga-purified biogas slurry
08/15/2012CN102633367A Ecological restoration method for treating eutrophic water body by utilizing Nuphar sinensis
08/15/2012CN102633366A Mountainous urban artificial wetland sewage treatment system capable of controlling methane emission
08/15/2012CN102633365A Wind-energy superimposed-negative-pressure ventilation reoxygenation wastewater treatment system for artificial wetland
08/15/2012CN102633364A Ecological floating bed for carrying out underwater lighting by utilizing optical fiber
08/15/2012CN102633363A Sewage treatment system with stacked artificial wetlands
08/15/2012CN102633362A Artificial wetland sewage treatment device capable of running continuously at low temperature
08/15/2012CN102633361A Acid wastewater anaerobic treatment process for reducing alkali dosage
08/15/2012CN102633360A MBR (membrane biochemical reactor) integrated device for alleviating membrane pollution by utilizing microorganism electrogenesis
08/15/2012CN102633359A Method for treating total nitrogen of nitrogen-containing chemical wastewater
08/15/2012CN102633358A Upflow-type hydrolysis acidification pool with one hole and one pipe
08/15/2012CN102633357A Membrane separation active sludge system and membrane separation active sludge method
08/15/2012CN102633356A Filler for double-velvet type water treatment and production method thereof
08/15/2012CN102633355A Biological disk, biological revolving drum and integrated revolving drum type domestic sewage treater