| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 11/23/2011 | CN202046933U Artificial waterweeds with reinforcing ribs |
| 11/23/2011 | CN202046932U Artificial waterweeds for water purification |
| 11/23/2011 | CN202046931U Composite multifunctional reactor for water treatment |
| 11/23/2011 | CN202046930U Novel water distribution device for anoxic pond |
| 11/23/2011 | CN202046929U UASB (Upflow Anaerobic Sludge Blanket) steady-flow type water distributor |
| 11/23/2011 | CN202046928U Anaerobic reactor |
| 11/23/2011 | CN202046927U Ultra-micro power sewage treatment equipment |
| 11/23/2011 | CN202046926U Pneumatic rotary ceiling-fan micro-pore aeration device |
| 11/23/2011 | CN202046925U Double-layer high-efficiency ultrafine micropore aeration head and double-layer aerator comprising same |
| 11/23/2011 | CN202046924U Aerator for sewage treatment |
| 11/23/2011 | CN102251459A System for carrying out collection, purification and utilization on rainwater on road surfaces |
| 11/23/2011 | CN102250854A Lipase for treating oil pollutants as well as encoding gene and application thereof |
| 11/23/2011 | CN102250805A High-density culture method of composite microbial agent for papermaking wastewater treatment |
| 11/23/2011 | CN102250801A Microbial agent, and its preparation method and application |
| 11/23/2011 | CN102250798A Pseudomonas and microbial agent as well as applications thereof |
| 11/23/2011 | CN102250797A Gordoniaamicalis and microbial agent and applications thereof |
| 11/23/2011 | CN102250796A Rhodococcusruber and microbial agent and application of Rhodococcusruber and microbial agent |
| 11/23/2011 | CN102250795A Gordoniaalkanivorans, microbial agent and use thereof |
| 11/23/2011 | CN102250794A Pseudoxanthomonasjaponensis and microorganism microbial inoculum as well as applications thereof |
| 11/23/2011 | CN102250782A Method for culturing rhodobacter sphaeroides by using sweet potato cells |
| 11/23/2011 | CN102250773A Scenedesmus as well as culturing method and application thereof |
| 11/23/2011 | CN102250770A Microbial agent and preparation method and application thereof |
| 11/23/2011 | CN102249758A Comprehensive utilizing method of novel organic fertilizer processed from livestock and poultry excrement and constructed wetland |
| 11/23/2011 | CN102249500A Combined device for deeply purifying tail water of urban sewage treatment plant and operation method |
| 11/23/2011 | CN102249496A Method for advanced treatment of sewage and artificial wetland structure |
| 11/23/2011 | CN102249494A Method for improving activity of methanogens while reducing high-concentration ammonia nitrogen in anaerobic process |
| 11/23/2011 | CN102249488A Integrated garden type artificial wetland for treating rural domestic sewage |
| 11/23/2011 | CN102249487A Comprehensive processing device for wastewater and waste liquid |
| 11/23/2011 | CN102249485A Device for treating high-concentration organic wastewater and wastewater generated during production of 1,4-butanediol |
| 11/23/2011 | CN102249478A Deep nitrogen and phosphorus removal process for surface water body |
| 11/23/2011 | CN102249476A Method for removing phthalates out of water by utilizing UV (ultraviolet)/ozone/chlorella degradation composite process |
| 11/23/2011 | CN102249431A Vertical current hydraulic-drop aerating device |
| 11/23/2011 | CN102249429A Physical lung-type oxygenation organic reef and its application method |
| 11/23/2011 | CN102249428A In-situ remediation method of petroleum-polluted groundwater |
| 11/23/2011 | CN102249427A Water cube biological packet |
| 11/23/2011 | CN102249426A GET full biological enzyme water quality stabilizer applied to field of treatment of circulating cooling water |
| 11/23/2011 | CN102249425A Membrane bioreactor and method for purifying sewage by using same |
| 11/23/2011 | CN102249424A Proton exchange membrane-free microbiological fuel cell sewage treatment system and application method thereof |
| 11/23/2011 | CN102249423A Structure for simultaneously realizing ecological sewage treatment and microbiological fuel cell electrogenesis |
| 11/23/2011 | CN102249422A Ecological restoration system and method for natural water |
| 11/23/2011 | CN102249421A Method for remedying eutrophicated grass-type lake by harvesting aquatic plants |
| 11/23/2011 | CN102249420A Vertical undercurrent constructed wetland for treating polluted river water |
| 11/23/2011 | CN102249419A Combined repairing technology system for various combined technologies of regenerated water landscape riverway water body |
| 11/23/2011 | CN102249418A Antiscour ecological trench for interception of phosphorus loss |
| 11/23/2011 | CN102249417A Submerged plant cultivation tank |
| 11/23/2011 | CN102249416A Method for ecologically reconstructing lakeshore buffer zone |
| 11/23/2011 | CN102249415A Airlift internal circulation nitrogen and phosphorus removal bioreactor |
| 11/23/2011 | CN102249414A Integrated GAC (granular activated carbon)-DMBR (dynamic membrane bio-reactor) sewage treatment device and treatment process thereof |
| 11/23/2011 | CN102249413A Apparatus and method for hydrolysis and acidification with biological enzyme |
| 11/23/2011 | CN102249412A Multistage anoxic and anaerobic circulation tail section anoxic activated sludge treatment process and system |
| 11/23/2011 | CN102249411A Method for optimizing sewage treatment process |
| 11/23/2011 | CN102249410A Method and device for regenerating granule sludge activity |
| 11/23/2011 | CN102249409A Device and method for strengthening treatment of anaerobic sewage by using solar energy |
| 11/23/2011 | CN102249408A Starch-polylactic acid blend and preparation method and application thereof |
| 11/23/2011 | CN102249407A High-efficiency anaerobic ammonia oxidation reactor |
| 11/23/2011 | CN102249406A Method and deoxidization reactor for producing nitrogen by utilizing organic wastewater |
| 11/23/2011 | CN102249405A Sand-based flat membrane-bioreactor |
| 11/23/2011 | CN102249404A Magnetic carrier containing sewage treatment device and sewage treatment method |
| 11/23/2011 | CN102249403A Method for preparing modified coal gangue-pulverized fuel ash composite filling for purifying sewage |
| 11/23/2011 | CN102249402A Low-density zeolite biological aerated filter filling and preparation method thereof |
| 11/23/2011 | CN102249401A Preparation method of multipurpose compound photocatalytic biological cell vector |
| 11/23/2011 | CN102249400A Device for ecologically restoring natural water body in situ |
| 11/23/2011 | CN102249399A Nitrifying reactor suitable for low-temperature environment |
| 11/23/2011 | CN102249398A Gas distributor of biological aerated filter |
| 11/23/2011 | CN102249397A Bio-electrochemical enhanced waste water treatment device |
| 11/23/2011 | CN102249396A Biologically slow filtering filler and manufacturing method thereof |
| 11/23/2011 | CN102249385A Method for coarsening grain diameter of microorganism mineralized heavy metal ion product |
| 11/23/2011 | CN101948186B Comprehensive treatment method for repairing in-situ biological diversity in rivers and lakes |
| 11/23/2011 | CN101935621B Acidithiobacillus ferrooxidans genetic engineering bacteria and use thereof |
| 11/23/2011 | CN101928060B Liftable aeration device |
| 11/23/2011 | CN101892174B Diaphorobacter strain and application thereof |
| 11/23/2011 | CN101838623B Pseudomonas veronii ZW with alpha-pinene degradation ability and application thereof |
| 11/23/2011 | CN101774737B Method and device for treating and recycling tobacco wastewater with double-membrane process |
| 11/23/2011 | CN101746924B Tubificidae ecosystem reactor and process |
| 11/23/2011 | CN101746886B Uncoupler |
| 11/23/2011 | CN101671424B Magnetic polyurethane foaming carrier material used for biological fluidized bed and preparation method thereof |
| 11/23/2011 | CN101659498B Compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas |
| 11/23/2011 | CN101575161B High-salt-content organic wastewater treating device |
| 11/23/2011 | CN101481673B Pyridine degradable bacteria, complex bacterial agent thereof, preparation and use |
| 11/23/2011 | CN101444703B Composite film for film bioreactor and method for preparing same |
| 11/23/2011 | CN101293708B Artificial wet land and uses thereof |
| 11/22/2011 | US8062587 Apparatus and method for ultrasound treatment of aquatic organisms |
| 11/22/2011 | US8062525 Process for treating water in a treatment plant |
| 11/22/2011 | US8062524 Integrated oxidation ditch |
| 11/22/2011 | US8061531 Membrane bags with seamless membrane substance, uses thereof and filtration units therewith |
| 11/22/2011 | CA2354388C Process for the treatment of waste water containing heavy metals |
| 11/17/2011 | WO2011143667A2 High rate anaerobic digester system and method |
| 11/17/2011 | WO2011143610A2 Process and system for recovering phosphorus from wastewater |
| 11/17/2011 | WO2011143428A2 Microbial remediation system and method |
| 11/17/2011 | WO2011143169A2 Biological process for converting organic by-products |
| 11/17/2011 | WO2011142185A1 Wastewater treatment method, and wastewater treatment device |
| 11/17/2011 | WO2011065740A3 Floating purifying apparatus |
| 11/17/2011 | US20110281338 Nitrate-removing bioreactor, method for forming nitrate-removing biofilm, and nitrate-removing method |
| 11/17/2011 | US20110278222 Ultrapure water production method an apparatus therefor |
| 11/17/2011 | US20110278221 Installation for the treatment of urea-containing water, toilet, stable, and method |
| 11/17/2011 | US20110278220 Coiled continuous flow water treatment apparatus and method |
| 11/17/2011 | CA2834690A1 Process and system for recovering phosphorus from wastewater |
| 11/17/2011 | CA2799408A1 High rate anaerobic digester system and method |
| 11/17/2011 | CA2799193A1 Biological process for converting organic by-products |
| 11/16/2011 | EP2385928A2 Method for obtaining dinitrogen oxide |