| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 07/17/2013 | CN203065240U Novel biofilter wetland |
| 07/17/2013 | CN203065239U Composite biological vermiculite module system for treating town sewage |
| 07/17/2013 | CN203065238U Novel embedded integrated flow guiding biological aerated filter |
| 07/17/2013 | CN203065237U Synchronous nitrification and denitrification wastewater treatment reactor for removing ammonia and nitrogen out of wastewater |
| 07/17/2013 | CN203065236U Submerged type fixed bed biological membrane denitrifying nitrogen removal filter basin |
| 07/17/2013 | CN203065235U Compound deep-bed de-nitrification nitrogen-removal filter |
| 07/17/2013 | CN203065234U Bio-based zeolite anaerobic bioreactor |
| 07/17/2013 | CN203065233U Composite ABR (Anaerobic Baffled Reactor) |
| 07/17/2013 | CN203065232U O-shaped low-speed anaerobic reactor |
| 07/17/2013 | CN203065231U Lifting-type water decanter with buoyancy tank |
| 07/17/2013 | CN203065230U Dispensing gas circulating fluidized biofilter tank |
| 07/17/2013 | CN203065229U Novel tube for water distribution or air distribution |
| 07/17/2013 | CN203065228U Biological suspended filler for water treatment |
| 07/17/2013 | CN203065227U Honeycombed suspended ball filler |
| 07/17/2013 | CN203065226U Spiral-flow aeration biological filter for treating industrial wastewater |
| 07/17/2013 | CN203065225U Air supply system for wastewater treatment |
| 07/17/2013 | CN203065224U Weir device capable of adjusting outlet water for nitrogen and phosphorus removal sewage treatment aeration tank |
| 07/17/2013 | CN103209934A Removal of selenocyanate or selenite from aqueous solutions |
| 07/17/2013 | CN103209933A Nutrient recovery systems and methods |
| 07/17/2013 | CN103209932A Wastewater treatment |
| 07/17/2013 | CN103209931A Wastewater treatment device |
| 07/17/2013 | CN103209928A Water treatment system and water treatment method |
| 07/17/2013 | CN103205412A Immobilized microbial preparation and method of treating meat product processing waste water by utilizing same |
| 07/17/2013 | CN103205382A Microbial agent for purifying river wastewater and preparation method of microbial agent |
| 07/17/2013 | CN103205371A Denitrification microbial agent, its preparation method, immobilized particle and application thereof |
| 07/17/2013 | CN103204964A Porous magnetic carrier, preparation method and application to fixing of pollutant degrading bacteria |
| 07/17/2013 | CN103204673A Fly ash sintered material for water treatment |
| 07/17/2013 | CN103204616A Method for increasing residual sludge methane yield of sewage treatment plant |
| 07/17/2013 | CN103204591A Microbiological treatment process for pectin wastewater |
| 07/17/2013 | CN103204590A Electrochemical membrane bioreactor |
| 07/17/2013 | CN103204589A Method for biologically treating industrial circulating water and stabilizing quality thereof |
| 07/17/2013 | CN103204588A Vertical undercurrent artificial wetland system capable of reinforcing removal of total nitrogen without obstruction |
| 07/17/2013 | CN103204587A Anaerobic-aerobic alternative type granule sludge treatment sewage device and method |
| 07/17/2013 | CN103204586A Method for backwashing completely autotrophic nitrogen-removal process biofilter |
| 07/17/2013 | CN103204585A Activated sludge process for sewage treatment |
| 07/17/2013 | CN103204584A Application method of novel anaerobic water distributor in sewage processing engineering |
| 07/17/2013 | CN103204583A Novel anaerobic sewage deep phosphorus and nitrogen removal rotation fluidized bed processing method |
| 07/17/2013 | CN103204582A Closed type aeration reactor |
| 07/17/2013 | CN103204581A Channel water distribution short process MBR (Membrane Bio-Reactor) membrane biologic reaction tank |
| 07/17/2013 | CN103204580A Flow-state controllable biological culture device and special agitation air cylinder thereof |
| 07/17/2013 | CN103204579A Quick recovery method of biological deironing and manganese-removing filter technique |
| 07/17/2013 | CN103204578A High-density polyethylene tube microporous aerator with check valve |
| 07/17/2013 | CN103204577A Composite phosphorus nutritional additive for biological treatment of oligotrophic wastewater |
| 07/17/2013 | CN103203195A Gas diffusion treatment device |
| 07/17/2013 | CN103203179A Preparation method for multiple micropore negative ion far-infrared electric field biological affinity packing |
| 07/17/2013 | CN102757972B Amidase gene cmeH as well as coding protein and application of amidase gene cmeH |
| 07/17/2013 | CN102701545B System for auxiliarily treating acid mine waste water by utilizing stepped interception dams and process thereof |
| 07/17/2013 | CN102674555B Wood filler earthworm biofilter and method for processing town residue sludge |
| 07/17/2013 | CN102533715B Method for preparing biological expanded graphite with visible light catalytic activity |
| 07/17/2013 | CN102502967B Angiopteris lygodiifolia drinking water ecological restoration and filter system |
| 07/17/2013 | CN102502950B Method for improving activity of nitrification function microbiology in activated sludge through directly feeding Fe ions |
| 07/17/2013 | CN102443542B High-density culture process of autotrophic oil-producing microalgae |
| 07/17/2013 | CN102442724B Method for processing residual sludge decrement synchronous denitrification |
| 07/17/2013 | CN102432104B High-efficiency low-power multi-layer horizontal flow biomembrane sewage treatment method and equipment |
| 07/17/2013 | CN102424477B Counterflow moving bed biological advanced denitrification processing apparatus |
| 07/17/2013 | CN102417235B Continuous gas stripping biological aerated filter sewage treatment device |
| 07/17/2013 | CN102390909B Method for treating nucleic acid waste water |
| 07/17/2013 | CN102365241B Fluid purification unit, and fluid purification assembly containing same |
| 07/17/2013 | CN102286399B Rhodococcus sp.P52 capable of degrading dibenzofuran and use thereof |
| 07/17/2013 | CN102258913B Low-density ceramsite filter material for biological aerated filter, and preparation method thereof |
| 07/17/2013 | CN102216227B Process for extracting iron from an aqueous acid solution |
| 07/17/2013 | CN101952015B Wastewater treatment system and method for the treatment of wastewater |
| 07/17/2013 | CN101857334B Sewage treatment device and sewage treatment process thereof |
| 07/17/2013 | CN101519632B Device and technology for preparing engineering embedding fixing microorganism spheric bodies |
| 07/17/2013 | CN101198549B Waste water treatment device and method |
| 07/16/2013 | US8486688 Use of psychrophilic anaerobic digestion in sequencing batch reactor for degradation of prions |
| 07/16/2013 | US8486266 Bacterial cultivation system for growth of substrate specific micro-organisms for use in industrial wastewater remediation |
| 07/16/2013 | CA2617162C Wastewater flow equalization system and method |
| 07/11/2013 | WO2013103530A1 Phosphorous mitigation for green filter beds |
| 07/11/2013 | WO2013103289A1 High-capacity biological contact rotor |
| 07/11/2013 | WO2013103124A1 Biological treatment method and device for organic wastewater |
| 07/11/2013 | WO2013103083A1 Membrane separation method and membrane separation apparatus |
| 07/11/2013 | US20130175216 Phosphorous mitigation for green filter beds |
| 07/11/2013 | US20130175215 Engineered wetland device of continuous operation for wastewater treatment under low temperature |
| 07/11/2013 | US20130175208 Filtration apparatus |
| 07/10/2013 | EP2612841A1 Constructed wetland wastewater treatment equipment for continuous operation at low temperatures |
| 07/10/2013 | EP2612701A1 Rotating membrane filter disc apparatus |
| 07/10/2013 | EP2611740A2 Method for utilizing internally generated biogas for closed membrane system operation |
| 07/10/2013 | EP2492003B1 Device for mechanical treatment of a liquid composition and method for mechanical treatment of such a liquid composition |
| 07/10/2013 | CN203053955U Sewage biological toxicity on-line monitoring system |
| 07/10/2013 | CN203051180U Rotary type compound blade flow-push aeration pump |
| 07/10/2013 | CN203048739U Urban wastewater partial nitrification and anaerobic ammonia oxidation denitrification device strengthening energy recovery |
| 07/10/2013 | CN203048737U Enzymatic oxidation treatment device for interferon pharmaceutical wastewater |
| 07/10/2013 | CN203048727U Ozone active carbon biological aerated filter |
| 07/10/2013 | CN203048679U Aerating device for water body oxygenation |
| 07/10/2013 | CN203048678U Fastening tubular aerator pipe |
| 07/10/2013 | CN203048677U Microbial attachment carrier |
| 07/10/2013 | CN203048676U Horizontal subsurface flow-surface flow combined artificial wetland |
| 07/10/2013 | CN203048675U Movable artificial wetland system |
| 07/10/2013 | CN203048674U Three-dimensional combined ecological floating bed |
| 07/10/2013 | CN203048673U Artificial wetland system for treating lead-contained wastewater |
| 07/10/2013 | CN203048672U Floating island system for restoring polluted eutrophic water body |
| 07/10/2013 | CN203048671U Reclaimed water treatment device based on biological affinity hydrophilic magnetic suspended filler |
| 07/10/2013 | CN203048670U Sponge carrier bioreactor for sewage treatment |
| 07/10/2013 | CN203048669U Experimental auxiliary device of up-flow biogas digester |
| 07/10/2013 | CN203048668U Device coupling sludge fermentation in-situ denitrification with anaerobic ammonium oxidation and sludge reduction |
| 07/10/2013 | CN203048667U Novel denitrifying nitrogen removal device |
| 07/10/2013 | CN203048666U Oxidation ditch sewage treatment pool with plug flow aerator |
| 07/10/2013 | CN203048665U Small-size buried sewage treatment equipment |
| 07/10/2013 | CN203048664U Novel aerator for water treatment |