| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/09/2013 | CN102863080A Bi-circulating multistage anaerobic reaction device |
| 01/09/2013 | CN102863079A Improved aeration settling tank |
| 01/09/2013 | CN102863078A Method for treating chemical industrial wastewater |
| 01/09/2013 | CN102863077A Automatic monitoring system for treatment of papermaking sewage with activated sludge process and control method thereof |
| 01/09/2013 | CN102863076A Spiral-arm hydraulic push-rod decanting device |
| 01/09/2013 | CN102863075A External membrane bioreactor with self-suction jet nozzle aerating function |
| 01/09/2013 | CN102863074A Intelligent control method of blast aeration system of municipal sewage plant |
| 01/09/2013 | CN102863073A Multi-cell vertical flow granular sludge breeder |
| 01/09/2013 | CN102863072A Special bioreactor for analyzing and treating blue-green algae pollution |
| 01/09/2013 | CN102862653A Sewage treatment boat |
| 01/09/2013 | CN102861514A Offline cleaning method for removing pollutants of SPG (shirasu porous glass) membrane used in biological wastewater treatment |
| 01/09/2013 | CN102381762B Plastic septic tank |
| 01/09/2013 | CN102351315B Comprehensive control method of polluted riverway |
| 01/09/2013 | CN102349434B High-yield method for cultivating land mater convolvulus by floating on river water which enters lake |
| 01/09/2013 | CN102329045B Livestock/fowl wastewater biological treatment device |
| 01/09/2013 | CN102328996B Device and method for optimized control over carbon source feeding in denitrification biofilter process |
| 01/09/2013 | CN102211819B Method for biological resource recovery of industrial marine fish aquaculture wastewater |
| 01/09/2013 | CN102190411B Treatment method for acidic organic chemical wastewater with high COD (chemical oxygen demand) and high concentration sulfate radical |
| 01/09/2013 | CN102020354B Artificial wetland device for accurately grasping uniformly-collected water and internal mechanism |
| 01/09/2013 | CN101973680B Integrated A2-O oxidation ditch |
| 01/09/2013 | CN101830559B Magnetic porous environmental-conscious ceramic filter material for water treatment and preparation method thereof |
| 01/09/2013 | CN101774679B Frequency searching and controlling method of ultrasonic biological treatment |
| 01/09/2013 | CN101767912B Method for treating coking biochemical effluent by microwave-oxidation-coagulation technology |
| 01/09/2013 | CN101759298B Rapid manual land infiltration treatment system and method for purifying river water by applying the same |
| 01/09/2013 | CN101405222B Process and device for the anaerobic treatment of waste water |
| 01/09/2013 | CN101274809B Treatment apparatus for organic wastewater |
| 01/08/2013 | US8349184 Lowering viscosity of biosolids |
| 01/08/2013 | CA2701786C Method and plant for the treatment of effluents containing nitrogen in a sequencing batch reactor |
| 01/08/2013 | CA2591522C Up-flow multi-stage anaerobic reactor (umar) |
| 01/08/2013 | CA2554958C Dissimilatory sulfate reduction as a process to promote denitrification in marine recirculating aquaculture systems |
| 01/08/2013 | CA2515113C Biological purification of water |
| 01/08/2013 | CA2448674C Anaerobic digestion apparatus, methods for anaerobic digestion and for minimizing the use of inhibitory polymers in digestion |
| 01/03/2013 | WO2013002435A1 System for treating sewage/waste water and method for treating sewage/waste water based on pre-predictive control |
| 01/03/2013 | WO2013002242A1 Film separation activated sludge method film surface cleaning method |
| 01/03/2013 | WO2013001555A1 Sewage water depuration plant, comprising a vertical reactor |
| 01/03/2013 | WO2013001554A1 Sewage water depuration plant, comprising a vertical reactor, with improved nitrogen treatment |
| 01/03/2013 | WO2013000178A1 Bacillus subtilis mutant strain and use thereof in rapid and high efficiency decolorization treatment of dyeing wastewater |
| 01/03/2013 | WO2013000115A1 Ozone treatment of wastewater |
| 01/03/2013 | WO2013000088A1 Method for reducing water usage in a cellulosic conversion process |
| 01/03/2013 | WO2013000010A1 Pre-treatment of sludge |
| 01/03/2013 | WO2012123767A3 Integrated water treatment system |
| 01/03/2013 | US20130005013 Compositions of matter and uses thereof in the treatment of waste materials |
| 01/03/2013 | US20130001160 Method for the biological purification of ammonium-containing wastewater |
| 01/03/2013 | US20130001159 Method for wet weather wastewater treatment |
| 01/03/2013 | US20130001158 Bioretention module, method and system for treating water |
| 01/03/2013 | US20130001142 Advanced control system for wastewater treatment plants with membrane bioreactors |
| 01/03/2013 | CA2840551A1 Sulfide generation via biological reduction of divalent, tetravalent or pentavalent sulfur containing combustion flue gas or liquor |
| 01/03/2013 | CA2838756A1 Method for reducing water usage in a cellulosic conversion process |
| 01/02/2013 | EP2539286A2 Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
| 01/02/2013 | EP2539285A2 Method for the treatment of industrial waste |
| 01/02/2013 | CN202649825U Energy-saving type intermittent aeration control system |
| 01/02/2013 | CN202643687U 生物发酵固定床反应器 Fermentation fixed bed reactor |
| 01/02/2013 | CN202643517U Plastic septic tank |
| 01/02/2013 | CN202643508U Multistage A-O intensified denitrification dephosphorization constant water level sequencing batch activated sludge treatment sewage system |
| 01/02/2013 | CN202643494U Biological deoxidation denitrification device used in oxidative environment groundwater |
| 01/02/2013 | CN202643447U Multifunctional aeration oxygenator |
| 01/02/2013 | CN202643443U Water filtering device with combined functions of bio-filters and bio-films |
| 01/02/2013 | CN202643442U Continuous flow composite type plant denitrification device |
| 01/02/2013 | CN202643441U Water purification ecological floating bed |
| 01/02/2013 | CN202643440U Underwater light supplementing system for recovering submerged vegetation |
| 01/02/2013 | CN202643439U Mountain city constructed wetland sewage treatment system capable of controlling methane emission |
| 01/02/2013 | CN202643438U Two-section type jet flow biological nitrogen removal reactor |
| 01/02/2013 | CN202643437U Jet-type gas stripping ultrafiltration membrane device |
| 01/02/2013 | CN202643436U Integrated anaerobic aerobic bioreactor |
| 01/02/2013 | CN202643435U Sewage denitrification device |
| 01/02/2013 | CN202643434U SBR pool |
| 01/02/2013 | CN202643433U Reactor for treating industrial wastewater |
| 01/02/2013 | CN202643432U Central anaerobic treatment three-phase separator |
| 01/02/2013 | CN202643431U Peripheral type anaerobic treatment three-phase separator |
| 01/02/2013 | CN202643430U Ordered internal circulation anammox reactor |
| 01/02/2013 | CN202643429U Upflowing anaerobic sludge biochemical reactor |
| 01/02/2013 | CN202643428U Double-internal-recycle anaerobic granule sludge biochemical reactor |
| 01/02/2013 | CN202643427U Separating type anaerobic baffled reactor (ABR) |
| 01/02/2013 | CN202643426U Anaerobic digestion reactor for sewage |
| 01/02/2013 | CN202643425U Anaerobic baffled reaction device for divisional multi-point pulse influent |
| 01/02/2013 | CN202643424U Anaerobic denitration fluidized bed reactor |
| 01/02/2013 | CN202643423U Mobile sewage treatment device |
| 01/02/2013 | CN202643422U Bean product factory sewage treatment system-dedicated solid liquid gas three-phase separator |
| 01/02/2013 | CN202643421U External jet membrane bioreactor |
| 01/02/2013 | CN202643420U Immersed type jet flow membrane bioreactor |
| 01/02/2013 | CN202643419U Zeolite carrier aerobic granular sludge reactor |
| 01/02/2013 | CN202643418U Gas-water self-cleaning type backflow sludge grid |
| 01/02/2013 | CN202643417U Disc through jet aerator |
| 01/02/2013 | CN202643416U Aerobic biological fluidized bed reactor |
| 01/02/2013 | CN202643415U Solar watercourse sewage self-purification device |
| 01/02/2013 | CN202643414U Waterweed simulated type water purification device |
| 01/02/2013 | CN202643413U Jet aeration machine |
| 01/02/2013 | CN202643412U Lifting type aeration device |
| 01/02/2013 | CN202643411U Fenton fluidized bed adopting plug screens to filter |
| 01/02/2013 | CN202643410U Fenton fluidized bed with separator |
| 01/02/2013 | CN202643409U Novel aeration structure of membrane biological reactor (MBR) |
| 01/02/2013 | CN202643408U Underwater scooter |
| 01/02/2013 | CN102858696A Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
| 01/02/2013 | CN102858695A Wastewater processing method, system, and method for measuring pollutant-decomposition activity |
| 01/02/2013 | CN102858694A Mixed liquor filterability treatment in a membrane bioreactor |
| 01/02/2013 | CN102858693A Ballasted sequencing batch reactor system and method for treating wastewater |
| 01/02/2013 | CN102858440A Membrane unit and membrane separation device |
| 01/02/2013 | CN102852124A Composite alga retaining enclosure for floating plants |
| 01/02/2013 | CN102851251A Genetically engineered bacteria for degrading phenol in petrochemical wastewater |
| 01/02/2013 | CN102851236A Acinetobacter and construction method and application thereof |