| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/12/2011 | WO2011055092A1 Method for anaerobic treatment of wastewater and associated device |
| 05/12/2011 | WO2011054401A1 Bacterial composition for treating blood-containing fatty effluents |
| 05/12/2011 | WO2011054298A1 Method and apparatus for integratedly treating domestic wastewater and organic garbage |
| 05/12/2011 | WO2011054180A1 Method for preparing macroporous polymer-immobilized quinonoid compound |
| 05/12/2011 | US20110108479 Wastewater treatment system |
| 05/12/2011 | US20110108472 Floating treatment streambed |
| 05/12/2011 | CA2804965A1 Method for recovering inert or living microparticles and use and installation of same |
| 05/12/2011 | CA2780185A1 Method for anaerobic treatment of wastewater and associated device |
| 05/12/2011 | CA2686250A1 Floating treatment streambed |
| 05/11/2011 | EP2319809A1 Scum guard and sewage system with scum guard for reducing activated sludge in inflow for secondary sedimentation |
| 05/11/2011 | EP2319808A2 Method for treatment of water |
| 05/11/2011 | EP2319286A1 Stirring assembly and method for stirring and pumping liquids containing solids |
| 05/11/2011 | EP2318127A1 Apparatus and process for treatment of wastewater and biological nutrient removal in activated sludge systems |
| 05/11/2011 | EP1463687B1 Biological water treatment process involving post-denitrification mechanism and a membrane filter |
| 05/11/2011 | CN201828788U Automatic dissolved oxygen measuring and controlling system and aerobic organism treatment equipment |
| 05/11/2011 | CN201825823U Activated sludge process treatment system for automatically adjusting dissolved oxygen content |
| 05/11/2011 | CN201825821U Sewage treatment tank for ecological restoration |
| 05/11/2011 | CN201825820U Self oxygenating and stirring purification device for domestic sewage |
| 05/11/2011 | CN201825817U Device for removing nitrate nitrogen in aquatic water |
| 05/11/2011 | CN201825794U Surface aeration machine |
| 05/11/2011 | CN201825790U Sewage reprocessing unit for pigsty septic tank |
| 05/11/2011 | CN201825789U High-efficiency infiltration undercurrent type complete equipment for artificial ecological wet land |
| 05/11/2011 | CN201825788U Vertical flow underflow type artificial wetland sewage treatment system |
| 05/11/2011 | CN201825787U Multistage-drippage composite filtering tank |
| 05/11/2011 | CN201825786U Novel biological floating bed |
| 05/11/2011 | CN201825785U Water treatment experimental device for environmental plants |
| 05/11/2011 | CN201825784U Sewage treating pond for phytoremediation of constructed wetlands |
| 05/11/2011 | CN201825783U Horizontal baffling composite type sewage processing system for artificial wetland |
| 05/11/2011 | CN201825782U Concentric circle type AAT (anaerobic-anoxic-alternative circulation flow) biochemical water treatment tank |
| 05/11/2011 | CN201825781U Anaerobic solid reactor |
| 05/11/2011 | CN201825780U Biological sewage treatment device |
| 05/11/2011 | CN201825779U Biochemical aeration treatment system using activated sludge method |
| 05/11/2011 | CN201825778U Manual pressurizing and oxygenating system for sewage water efficient land treatment technology |
| 05/11/2011 | CN201825777U Speed regulation aeration machine for sewage treatment |
| 05/11/2011 | CN201825776U Filtering device for biological fluidized bed for totally-enclosed circulating water aquiculture |
| 05/11/2011 | CN201825775U Biochemical water treating experimental device |
| 05/11/2011 | CN201825774U Automatic defoaming device for sewage treatment biochemistry pool |
| 05/11/2011 | CN201825746U Stepped water treatment experimental facility |
| 05/11/2011 | CN102050551A Water spray type filter bed type wastewater treatment apparatus |
| 05/11/2011 | CN102050550A Method for preparing sterile water by utilizing biotechnology |
| 05/11/2011 | CN102050549A Integrated sewage treatment device |
| 05/11/2011 | CN102050548A Treatment and reuse method of waste water in methanol-to-olefin process |
| 05/11/2011 | CN102050547A Pretreatment method of organic wastewater difficult to biochemically degrade |
| 05/11/2011 | CN102050544A Treatment method for high-concentration organic wastewater and device used thereby |
| 05/11/2011 | CN102050543A Ecological-floating island type pond water purification method |
| 05/11/2011 | CN102050542A Deep treatment method for high-concentration organic wastewater |
| 05/11/2011 | CN102050524A 水质改良剂 Water conditioner |
| 05/11/2011 | CN102050523A Method for treatment and in-situ ecological restoration of black and stink riverway by using microorganism |
| 05/11/2011 | CN102050522A Waste water treatment method |
| 05/11/2011 | CN102050521A Method for treating ammonia containing wastewater through simultaneous nitrification and denitrification |
| 05/11/2011 | CN102050520A Process for culturing active sludge |
| 05/11/2011 | CN102050519A Method for treating high concentration wastewater of oil refinery |
| 05/11/2011 | CN102050518A Film forming method for biological carrier in internal circulation bioreactor |
| 05/11/2011 | CN102050517A Granular filter material for treating wastewater and preparation method and device thereof |
| 05/11/2011 | CN102050516A Method for preparing selective microbial packing |
| 05/11/2011 | CN101700930B Automatic spraying defoaming device for waste leachate |
| 05/11/2011 | CN101696059B Ecological canal for preventing and controlling agricultural area source pollution |
| 05/11/2011 | CN101693583B Biochemical comprehensive treatment method for 1, 3-propylene glycol fermentation organism waste water |
| 05/11/2011 | CN101693576B Technology for rapidly treating domestic sewage discharged without residual mud by second-stage adsorption |
| 05/11/2011 | CN101671079B Method of constructing ntaxial system ecology for fishes, grasses and shellfishes in fresh-water substance |
| 05/11/2011 | CN101643716B Pseudomonas nitroreducens and application thereof |
| 05/11/2011 | CN101628754B Two-phase integrated anaerobic digestion reaction vessel |
| 05/11/2011 | CN101624235B Application of acetobacter aceti for processing copper-containing etching waste solution |
| 05/11/2011 | CN101585651B Organic waste water processing method with synchronously carbon, nitrogen and sulfur removal in one reactor |
| 05/11/2011 | CN101585601B Monomer ultra-large volume steel post cone high-temperature anaerobic fermentation system |
| 05/11/2011 | CN101560017B Method for treating waste water by short-cut denitrification and desulfurization |
| 05/11/2011 | CN101555068B Culture method of aerobic granular sludge for simultaneous denitrification and dephosphorization of domestic sewage at low and normal temperature |
| 05/11/2011 | CN101549906B Method for synchronously denitrification, dephosphorization and filtering |
| 05/11/2011 | CN101531437B Compound treatment method of wastewater in pig farm |
| 05/11/2011 | CN101486501B Hogpen diatomite biological film sewage treatment process |
| 05/11/2011 | CN101481178B Sewage treatment process and apparatus for synchronous electrogenesis desalinisation |
| 05/11/2011 | CN101445297B Method for deeply treating papermaking wastewater |
| 05/11/2011 | CN101439905B Foaming extrusion molding thermoplastic composite material stuffing for biological treatment of waste water |
| 05/11/2011 | CN101423315B Repair method and device of lake water body |
| 05/11/2011 | CN101319194B Rhodotorula mucilaginosa with novel metabolic characteristic and application of the same in biodegradation |
| 05/11/2011 | CN101215193B Bionic peat coal, artificial wet land plate and preparing method thereof |
| 05/11/2011 | CN101082026B Preparation of holothurian-nourishing bacterium and method for restoring sea cucumber cultivation pool environment |
| 05/11/2011 | CN101082025B Preparation of holothurian-protecting bacterium and method for restoring sea cucumber cultivation pool environment |
| 05/10/2011 | US7938965 Biofilm reactor |
| 05/05/2011 | WO2011053034A2 Water purification system and water purification method employing biological activated carbon and granular activated carbon |
| 05/05/2011 | WO2011052838A1 Lake purification device |
| 05/05/2011 | WO2011050639A1 Reaction apparatus for simultaneous denitrification and dephosphorization with two-sludge and biofilm processes |
| 05/05/2011 | WO2011050604A1 Intermittent filtering procedure controller for membrane bioreactor module |
| 05/05/2011 | WO2011005522A3 Biofilm remediation of fracture fluid |
| 05/05/2011 | US20110100908 Waste Water Treatment |
| 05/05/2011 | US20110100907 Membrane cleaning with pulsed arilift pump |
| 05/05/2011 | US20110100906 Biofilm remediation of acid mine drainage |
| 05/05/2011 | US20110100905 River water purification apparatus and method using treatment soil layer and permeable filtering medium layer |
| 05/05/2011 | US20110100904 Method and unit for the purification of wastewater with aerobic granular sludge |
| 05/05/2011 | US20110100903 Method for determining physiological state of microbial community and wastewater treatment method |
| 05/05/2011 | US20110100902 Mixing device, system and method for anaerobic digestion |
| 05/04/2011 | EP1441990B1 Incubation treatment of sludge for pathogen reduction prior to digestion |
| 05/04/2011 | CN201817365U Vehicle-mounted onsite quick cleaning device for septic tank |
| 05/04/2011 | CN201817361U Printing and dyeing wastewater treatment system |
| 05/04/2011 | CN201817360U EPS waste water treatment system |
| 05/04/2011 | CN201817359U Efficient wastewater treatment system for farm |
| 05/04/2011 | CN201817357U Full-reuse treatment device for coking wastewater through Fenton oxidation and double-membrane process |
| 05/04/2011 | CN201817355U Domestic sewage treatment device |
| 05/04/2011 | CN201817330U Checkerboard type buoyant box for spatial complex planting of emerging-submerged plants |
| 05/04/2011 | CN201817329U PVC (polyvinyl chloride) tube bonded biological floating bed with injection molded planting baskets |