| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/13/2013 | CN101993175B Nitrosification treatment method of ammonia nitrogen in high-concentration ammonia nitrogen wastewater |
| 02/13/2013 | CN101935136B Zero energy consumption low sludge yield municipal sewage dephosphorization and denitrification treatment method |
| 02/13/2013 | CN101918327B Anti-microbial matrix and filtration systems |
| 02/12/2013 | US8372285 Method and apparatus for the bio-remediation of aqueous waste compositions |
| 02/12/2013 | US8372284 Plant for aerobic and anaerobic digestion treatment by PFR |
| 02/12/2013 | US8372283 Treatment method reducing wastewater influent chemical/pharmaceuticals before biological reduction to enhance sewage treatment |
| 02/12/2013 | US8372282 Mixing chamber |
| 02/12/2013 | US8372277 Floating treatment streambed |
| 02/12/2013 | US8372276 Membrane cleaning with pulsed airlift pump |
| 02/12/2013 | US8372274 Wastewater treatment system and method |
| 02/12/2013 | CA2771637A1 Apparatus for treating wastewater |
| 02/07/2013 | WO2013020131A1 Aeration system |
| 02/07/2013 | WO2013018400A1 Settling tank and method for treating waste water using same |
| 02/07/2013 | WO2013017243A1 A method and a system for out-competing glycogen-accumulating organisms in a substance |
| 02/07/2013 | US20130032533 Integrated membrane system for distributed water treatment |
| 02/07/2013 | US20130032532 Water treatment method and method for producing ultrapure water |
| 02/07/2013 | US20130032519 Biological sewage treatment device |
| 02/06/2013 | EP2552839A1 Mainstream wastewater treatment |
| 02/06/2013 | EP2552838A2 Method of wastewater treatment and apparatus for its realization in sequencing batch reactors |
| 02/06/2013 | EP2552837A1 Methods of conditioning mixed liquor using water soluble quaternary ammonium starches |
| 02/06/2013 | CN202717676U Hydraulic-driven biological rotary disk reaction pool and biological rotary disk treatment system |
| 02/06/2013 | CN202717633U Sewage treatment equipment |
| 02/06/2013 | CN202717632U Carbon source enrichment device for low-carbon sewage treatment |
| 02/06/2013 | CN202717631U Carbon-oxygen combined regulation and control denitrification system of horizontal subsurface-flow wetland |
| 02/06/2013 | CN202717630U Split sewage treatment device |
| 02/06/2013 | CN202717629U High-efficiency energy-saving hydrolysis acidification tank |
| 02/06/2013 | CN202717628U Waste water treatment system |
| 02/06/2013 | CN202717627U Water distribution device of active sand filter |
| 02/06/2013 | CN202717626U Biological stuffing sewage treatment unit |
| 02/06/2013 | CN202717625U Biological activated carbon filter |
| 02/06/2013 | CN202717624U Biological sewage treatment filler |
| 02/06/2013 | CN202715362U Hollow fiber ultrafiltration membrane component |
| 02/06/2013 | CN102913006A Seawater swimming pool filtered and purified by organisms |
| 02/06/2013 | CN102912944A Collecting and utilizing control system for rain and sewage on balcony and roof of building |
| 02/06/2013 | CN102911897A Cultural method for paracoccus denitrificans and application of same to purifying aquaculture water |
| 02/06/2013 | CN102911892A Petroleum degrading strain and application of petroleum degrading strain in tertiary oil recovery wastewater treatment |
| 02/06/2013 | CN102911872A Scenedesmus sp. strain and application thereof |
| 02/06/2013 | CN102911857A Device for automatically skimming sewage to generate methane for increasing value |
| 02/06/2013 | CN102910780A Device and method for processing high-salinity degradation-resistant waste water |
| 02/06/2013 | CN102910778A Terylene alkali reduction water resource recovery process |
| 02/06/2013 | CN102910777A Treatment method for wastewater generated in cellulosic ethanol production |
| 02/06/2013 | CN102910743A Method for microcystis algae bloom treatment in earth pond cultivation process |
| 02/06/2013 | CN102910742A Preparation method of biological dredging ball for rural trench |
| 02/06/2013 | CN102910741A Frame type wet ecological floating bed |
| 02/06/2013 | CN102910740A System for treating constructed wetland fillers of organic composite slag |
| 02/06/2013 | CN102910739A Purification method of drainage outside rice field in estuarine area |
| 02/06/2013 | CN102910738A Soil infiltration bed technical method for treating rural domestic waste water under all-season condition |
| 02/06/2013 | CN102910737A Device and method for culturing and separating chironomus larvas for reducing sludge |
| 02/06/2013 | CN102910736A Construction technology of ecological sewage discharging ditch |
| 02/06/2013 | CN102910735A Water purification device and operation method thereof |
| 02/06/2013 | CN102910734A Method for rapidly recovering efficiency of anaerobic treatment of wastewater generated in coal chemical industry |
| 02/06/2013 | CN102910733A Novel anaerobic ammoxidation denitrification system |
| 02/06/2013 | CN102910732A Method for rapidly starting anaerobic reactor by high-concentration organic wastewater |
| 02/06/2013 | CN102910731A Gas, liquid and solid three-phase separator for sewage anaerobic biological treatment |
| 02/06/2013 | CN102910730A Thermophilic anaerobic digestion biological reaction system |
| 02/06/2013 | CN102910729A Longitudinal axis-type aeration device |
| 02/06/2013 | CN102910728A Biofilm reactor using coarse-mesh filter components as carriers and operation method of biofilm reactor |
| 02/06/2013 | CN102910727A 一种生物滤料及其制备方法 A biological filter and its preparation method |
| 02/06/2013 | CN102910726A Coupling processing method for oil-contained sewage of oil field |
| 02/06/2013 | CN102907277A Device for planting submerged vascular plants and floating plants in suspension manner |
| 02/06/2013 | CN102433277B Chryseobacterium sp. for removing phosphorus in sewage at low temperature and separation culture method |
| 02/06/2013 | CN102381765B Technical process for efficient construction of vertical current constructed wetland |
| 02/06/2013 | CN102190367B Filter material cutting device and biological aerated filter provided with same |
| 02/06/2013 | CN102126813B System and process for treating oxytetracycline waste water by anaerobic bio-treatment method |
| 02/06/2013 | CN102079579B Artificial wetland with combined fillers and treating process thereof |
| 02/06/2013 | CN102079574B High-efficiency acid-resistant anaerobic baffled reactor for treating high-concentration organic wastewater |
| 02/05/2013 | US8366933 Method for bacterial treatment of effluents containing 2-ethylhexyl nitrate |
| 02/05/2013 | US8366932 Micro-aeration of sulfide removal from biogas |
| 01/31/2013 | WO2013016438A2 Wastewater treatment plant online monitoring and control |
| 01/31/2013 | WO2013015128A1 Biological treatment method and treatment device for amine-containing waste water |
| 01/31/2013 | WO2013015090A1 Upper-layer purification device for water treatment device, and method for purifying water treatment device filter layer |
| 01/31/2013 | WO2013014456A2 A fluid cleaning medium and a fluid cleaning device |
| 01/31/2013 | WO2013013689A1 Method and installations for the semi-centralized treatment, preparation and use of biogenous substance streams in agro-urban settlement systems on the model of a recycling economic system that make sparing use of resources |
| 01/31/2013 | WO2013013585A1 Thifensulfuron-methyl hydrolysis enzyme gene tsme and use thereof |
| 01/31/2013 | WO2012168531A3 System for purifying polluted water and purification method |
| 01/31/2013 | WO2012162527A3 Method for the remediation of salt containing wastewater streams |
| 01/31/2013 | US20130026760 Method for treating organic waste and method and apparatus for producing solid fuel/compost using zero discharge ace system |
| 01/31/2013 | US20130026094 Septic System |
| 01/31/2013 | US20130026093 Method for removing ionic species contained in an aqueous phase using a sol gel-derived composite material |
| 01/31/2013 | CA2842824A1 Wastewater treatment plant online monitoring and control |
| 01/30/2013 | CN202710505U Device for detecting electron transfer in electrically facilitated biological denitrification process |
| 01/30/2013 | CN202705191U High-efficiency composite biological pond |
| 01/30/2013 | CN202705126U External two-stage pressurizing efficient jet aerator |
| 01/30/2013 | CN202705121U Underwater biological purification floating bed |
| 01/30/2013 | CN202705120U Novel ecological floating island |
| 01/30/2013 | CN202705119U Integrated dephosphorization and denitrification sewage treatment unit |
| 01/30/2013 | CN202705118U Water distributing device and reactor thereof |
| 01/30/2013 | CN202705117U Enhanced anaerobic hydrolysis acidification reactor for wastewater treatment |
| 01/30/2013 | CN202705116U Composite fiber in wrapping structure for water treatment |
| 01/30/2013 | CN202705115U Concurrent air-water backwashing MBR (Membrane Bio-Reactor) |
| 01/30/2013 | CN202705114U Biological reaction tank of sewage treatment liquids |
| 01/30/2013 | CN202705113U Integral oxidation ditch in shape of regular polygon |
| 01/30/2013 | CN202705112U Umbrella flow cutting type aerator |
| 01/30/2013 | CN202705111U Biological filter tower for advanced treatment of landfill leachate |
| 01/30/2013 | CN202705110U Novel quick fermentation device |
| 01/30/2013 | CN202705109U Water distributing device |
| 01/30/2013 | CN202697337U Lotus-leaf-shaped aquatic plant cultivation tank |
| 01/30/2013 | CN202697336U Water planting and breeding combined device |
| 01/30/2013 | CN202697335U Water lifting cultivation device |
| 01/30/2013 | CN202697334U Water plant cultivation device |