| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/04/2011 | CN201817328U Aeration biological filter with hollow porous fiber filler and flow baffle plate |
| 05/04/2011 | CN201817327U Multifunctional micro-pore aerator |
| 05/04/2011 | CN201817326U Hollow filter ultrafiltration membrane component for integrated water treatment device |
| 05/04/2011 | CN201817325U Biological contact oxidation module chain arranged in riverway in a staggered way |
| 05/04/2011 | CN201817324U Cylinder-type aerator |
| 05/04/2011 | CN102046538A Catalytic wet oxidation systems and methods |
| 05/04/2011 | CN102046256A Backwashing unsaturated wastewater filter |
| 05/04/2011 | CN102041291A Method for screening denitrifying bacterium |
| 05/04/2011 | CN102040315A Method for treating high ammonia nitrogen wastewater by two-stage A/O process |
| 05/04/2011 | CN102040313A Process for treating high-concentration printing and dying waste water |
| 05/04/2011 | CN102040311A Oil field polymer flooding produced water treatment method |
| 05/04/2011 | CN102040310A Sewage treatment method for reinjection of produced water from oil field to low-permeability oil field |
| 05/04/2011 | CN102040309A Combined treatment process for urban garbage percolate |
| 05/04/2011 | CN102040308A Method for treating wastewater by combining catalytic oxidation with biological aerated filter |
| 05/04/2011 | CN102040307A Sewage treatment system |
| 05/04/2011 | CN102040306A Blue-green algae sewage treatment device and method |
| 05/04/2011 | CN102040284A Large benthos and submerged plant combined eutrophication control method |
| 05/04/2011 | CN102040283A Oligodynamic courtyard type landscaped treating device for rural domestic sewage through artificial wetland |
| 05/04/2011 | CN102040282A Alga control method for freshwater environment based on cultivation of barracudas and mullets |
| 05/04/2011 | CN102040281A Method for culturing denitrogenized granular sludge |
| 05/04/2011 | CN102040280A Pulse ejection internal-circulation anaerobic reactor |
| 05/04/2011 | CN102040279A Urban domestic sewage treatment device |
| 05/04/2011 | CN102040278A Biological rotating disk and disk unit thereof |
| 05/04/2011 | CN102040277A Solar energy and wind energy integrated sewage treatment micro-aeration device |
| 05/04/2011 | CN101767880B Application of bird nest fern in treatment of livestock and poultry breeding waste water |
| 05/04/2011 | CN101723552B Treatment method of garbage leachate |
| 05/04/2011 | CN101708899B Anti-clogging clay pipe packing subsurface flow artificial wetland |
| 05/04/2011 | CN101704612B Integrated treatment process of enhanced flocculation and bio-contact oxidation for high-salt oil-containing wastewater |
| 05/04/2011 | CN101700929B Soil ditch for purifying domestic wastewater and construction method thereof |
| 05/04/2011 | CN101671090B Combined processing technique of garbage percolates |
| 05/04/2011 | CN101665304B Solar anaerobic granular sludge circulation reactor |
| 05/04/2011 | CN101624234B Microorganism water treatment agent in culturing water and preparation technique thereof |
| 05/04/2011 | CN101580304B Method for united removal of heavy metal pollutants from landscape water body by plant material sorbent and limnodrilus organism and device thereof |
| 05/04/2011 | CN101560486B Achromobacter xylosoxidans strain for biological denitrificaion and application thereof |
| 05/04/2011 | CN101555086B Biological treatment method of leather wastewater |
| 05/04/2011 | CN101538104B Improved A2N denitrifying dephosphatation and deep denitrification device and method |
| 05/04/2011 | CN101531983B Method for cultivating aerobic short-cut nitrification granular sludge for treating domestic sewage |
| 05/04/2011 | CN101531436B Treatment method of wastewater anaerobic digestive fluid in pig farm |
| 05/04/2011 | CN101475362B Biochemical ceramic as well as preparation method and application thereof |
| 05/04/2011 | CN101433190B Method for promoting growth of Habrotrocha sp. using bee honey residue |
| 05/04/2011 | CN101429486B Brood cell bacillus MK3-1 for purification of heavy metal pollution and uses thereof |
| 05/04/2011 | CN101367595B Apparatus for and method for filtering, treating and recycling seprobia |
| 05/04/2011 | CN101302485B Heterotrophic nitrification microbial preparation, cultivation method and use thereof |
| 05/04/2011 | CN101302073B Electroplating sewerage advanced treatment process |
| 05/04/2011 | CN101134945B Ascendant bacterium and for lead waste water treatment |
| 05/03/2011 | US7935257 Absorbing azo or anthraquinone dyes, phthalocyanine dyes with a fungal biomass |
| 05/03/2011 | US7935256 Method for the treatment of waste water from florfenicol production |
| 04/29/2011 | CA2719471A1 Mixing device, system and method for anaerobic digestion |
| 04/28/2011 | WO2011048681A1 Method for immersion-type washing of separation membrane device and system for immersion-type washing of separation membrane device |
| 04/28/2011 | WO2011047809A1 Algaculture method |
| 04/28/2011 | DE102009044208A1 Verfahren zur Behandlung von Wasser A method of treating water |
| 04/28/2011 | CA2814641A1 Hydrothermal processing (htp) of algae grown in htp waste streams |
| 04/28/2011 | CA2774307A1 Cleaning process for immersion-type separating membrane device, and cleaning system for immersion-type separating membrane device |
| 04/27/2011 | EP2314368A2 Process control for an immersed membrane system |
| 04/27/2011 | EP2313347A1 Novel systems and methods for wastewater treatment |
| 04/27/2011 | EP2129627B1 Method of and system for supporting denitrification |
| 04/27/2011 | CN201809343U Biogas collecting system for garbage landfill |
| 04/27/2011 | CN201809262U Optimized integrated device for high effective biological and advanced treatment of garbage leachate |
| 04/27/2011 | CN201809260U Fully automatic farm and livestock area source water pollution treatment device |
| 04/27/2011 | CN201809258U Integral sewage treatment equipment convenient to overhaul |
| 04/27/2011 | CN201809256U Stereoscopic purification device |
| 04/27/2011 | CN201809255U Oil shale waste water treatment system |
| 04/27/2011 | CN201809252U High-concentration refractory organic wastewater two-phase anaerobic membrane biological treatment pool |
| 04/27/2011 | CN201809250U Novel biological treatment removal tank for total nitrogen in landfill leachate |
| 04/27/2011 | CN201809249U Artificial filler underground infiltration domestic sewage treatment system |
| 04/27/2011 | CN201809226U Biofilm belt purification device for riverway water quality treatment |
| 04/27/2011 | CN201809225U Grading rapid infiltration system |
| 04/27/2011 | CN201809224U Grading-type vertical current constructed wetland system |
| 04/27/2011 | CN201809223U Ecological padding structure of man-made land sewage treatment system |
| 04/27/2011 | CN201809222U A/O reactor of recirculating air lift and rotating mixed reflux |
| 04/27/2011 | CN201809221U Energy-saving efficient anaerobic reactor |
| 04/27/2011 | CN201809220U Flow-forming aeration machine |
| 04/27/2011 | CN201809219U Wastewater treatment biological filler |
| 04/27/2011 | CN201809218U Three-dimensional grading aeration biofilter |
| 04/27/2011 | CN201809217U Super nozzle reactor |
| 04/27/2011 | CN201809216U Ceramic micropore aerator |
| 04/27/2011 | CN102036922A Decentralized source separation sewage system |
| 04/27/2011 | CN102036550A System for feeding aquatic organisms and cleaning unit for water tank |
| 04/27/2011 | CN102031230A Bacillus amyloliquefacien and preparation method of polluted water reparation agent by using same |
| 04/27/2011 | CN102031228A Pseudomonas sp. XQ23 capable of efficiently degrading multiple phenolic compounds |
| 04/27/2011 | CN102030444A Method for processing sewage and rainwater in rural villages |
| 04/27/2011 | CN102030443A Terrace type composite vertical flow forest wetland and domestic sewage treatment method thereof |
| 04/27/2011 | CN102030442A Discharge and standard reaching treatment method for thick oil sewage of oilfields |
| 04/27/2011 | CN102030425A Suspended microporous pipe aeration gate |
| 04/27/2011 | CN102030424A Suspended macromolecular micropore pipe aeration grid |
| 04/27/2011 | CN102030423A Macromolecular microporous tube aeration gate |
| 04/27/2011 | CN102030422A Porous pipe aeration grid |
| 04/27/2011 | CN102030418A Method for preparing carbon-based synthetic modified sewage purifier |
| 04/27/2011 | CN102030417A Method for performing hydrolytic treatment on waste liquid during production of biofuel ethanol |
| 04/27/2011 | CN102030416A Ecological floating island |
| 04/27/2011 | CN102030415A Application of dracaena deremensis 'compacta' in treatment of livestock and poultry breeding wastewater |
| 04/27/2011 | CN102030414A Box spring filler for constructed wetland system |
| 04/27/2011 | CN102030413A Urban river step ecological revetment facility for purifying overflowed sewage and building method thereof |
| 04/27/2011 | CN102030412A Rotary dephosphorization and denitrification membrane biological treatment device and technique method thereof |
| 04/27/2011 | CN102030411A Self-circulation anaerobic reactor |
| 04/27/2011 | CN102030410A Improved magnetic powder high concentration activated sludge process for sewage treatment |
| 04/27/2011 | CN102030409A Sewage treatment device and process for large modularized gravity-flow self-forming dynamic membrane bio-reactor (MBR) |
| 04/27/2011 | CN102030408A Multi-medicament synergistic online cleaning device for micro-porous aeration system |
| 04/27/2011 | CN102030407A Aeration device of aeration tank |
| 04/27/2011 | CN102030406A Biological aeration tank |