| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/05/2013 | US8388989 Articles of clothing treated with ammonia oxidizing bacteria to produce nitric oxide |
| 03/05/2013 | US8388845 Wastewater treatment method and wastewater treatment apparatus |
| 03/05/2013 | US8388844 Intimate coupling of photocatalysis and biodegradation in a photocatalytic circulating-bed biofilm reactor |
| 03/05/2013 | CA2778141C Method and apparatus for treatment of wastewater |
| 02/28/2013 | WO2013028776A1 Method for treating animal waste |
| 02/28/2013 | WO2013027713A1 Fresh water generation method |
| 02/28/2013 | WO2012155086A3 Anaerobic digester for the production of methane gas from organic gas |
| 02/27/2013 | EP2561922A1 Membrane unit and membrane separation device |
| 02/27/2013 | EP2560923A1 Anaerobic purification of waste water in an upflow reactor, and method of implementing same |
| 02/27/2013 | EP2560922A1 Methods and systems for treating wastewater |
| 02/27/2013 | CN202758178U Intelligent dynamic aeration control system |
| 02/27/2013 | CN202755376U Steel tube pile foundation used for defusing storm and fixing fence in big water surface |
| 02/27/2013 | CN202754874U Combined biological filter device |
| 02/27/2013 | CN202754854U Aerator equipment for biological aerated filter or biological contact oxidation pond |
| 02/27/2013 | CN202754852U Small unpowered buried domestic sewage integrated device |
| 02/27/2013 | CN202754851U Clamshell padding biological filter sewage dephosphorization device |
| 02/27/2013 | CN202754850U Efficient biological nitrogen removal reactor for landfill leachate |
| 02/27/2013 | CN202754849U Trickling filter for biofilm process |
| 02/27/2013 | CN202754848U Water distribution system for anaerobic sludge bed reactor |
| 02/27/2013 | CN202754847U Three-phase separator folded plate |
| 02/27/2013 | CN202754846U Oxidation ditch simulation run device |
| 02/27/2013 | CN202754845U Membrane bio-reactor (MBR) membrane module structure |
| 02/27/2013 | CN202754844U Visible flexible pipe special for membrane bio-reactor (MBR) technology |
| 02/27/2013 | CN202754843U Built-in MBR (membrane bioreactor) membrane treating device |
| 02/27/2013 | CN202754842U Wheel disk type biological bean reactor |
| 02/27/2013 | CN202754841U Processing device of deep well aeration wastewater |
| 02/27/2013 | CN202754840U Biological aerated filters in two-stage serial connection |
| 02/27/2013 | CN202754839U Biochemical pool |
| 02/27/2013 | CN102947230A Decontamination treatment of water contaminated by emergent pollutants and/or micropollutants, especially by organochlorine compounds |
| 02/27/2013 | CN102943044A Scenedesmus sp. and use thereof |
| 02/27/2013 | CN102942293A Tidal current wetland coupled electrochemical reinforced denitrification and dephosphorization method and system |
| 02/27/2013 | CN102942286A Combined process of high-carbon and high-nitrogen organic wastewater treatment |
| 02/27/2013 | CN102942256A Intermittent batching type sewage treatment method |
| 02/27/2013 | CN102942255A Method for removing benzene series |
| 02/27/2013 | CN102942254A River island ecological purification system |
| 02/27/2013 | CN102942253A Constructed wetland sewage treatment method and system |
| 02/27/2013 | CN102942252A Combined zoology purifying cage |
| 02/27/2013 | CN102942251A Multi-nozzle jet-flow micro-nano bubble aerator |
| 02/27/2013 | CN102942250A Membrane module for novel efficient membrane bioreactor |
| 02/27/2013 | CN102942249A Biological filtering device for moving bed |
| 02/27/2013 | CN102942248A Method for removing phenol pollutants with carrier-free immobilized enzyme |
| 02/27/2013 | CN102941071A Preparation method of biodegradable oil absorption microsphere with nitrogen nutrient element slow release function |
| 02/27/2013 | CN102941029A Bevel-wheel deceleration submersible water impeller for mixing and impelling liquids |
| 02/27/2013 | CN102295382B Treatment method of two-step wet acrylic fiber production wastewater |
| 02/27/2013 | CN102295348B Removing method of salt in recession of saline and alkaline land |
| 02/27/2013 | CN102259975B Bio-augmentation technique for treating high ammonia nitrogen waste water under low temperature condition |
| 02/27/2013 | CN102225804B Filter-type biological module reactor for rapid emergency treatment of eutrophicated water body and application thereof |
| 02/27/2013 | CN102172154B Method for culturing submerged plant seeds |
| 02/27/2013 | CN101985602B Method for treating eutrophicated water body by using microalgae |
| 02/27/2013 | CN101885538B Membrane bioreactor process for removing phosphorus without mud discharge |
| 02/27/2013 | CN101857840B Biological flora suspending agent for degrading petroleum and preparation method and application method thereof |
| 02/27/2013 | CN101748078B Novel Bacillus amyloliquefaciens strain and application thereof |
| 02/26/2013 | US8382985 Apparatus, system and process for wastewater purification |
| 02/26/2013 | US8382984 Method and installation for biologically treating waste water |
| 02/26/2013 | US8382983 Systems and methods for converting gaseous byproducts of wastewater treatment into energy |
| 02/26/2013 | US8382982 Apparatus merging wetland plants with a floating substrate to treat pollution in any river, lake or body of water |
| 02/26/2013 | US8382075 Air stripper |
| 02/24/2013 | CA2750392A1 Anaerobic fermentation to produce biogas |
| 02/21/2013 | WO2013025423A1 Biological wastewater system having a screen structure for confining biofilm carriers to a reactor forming a part of the system |
| 02/21/2013 | WO2013025389A2 Control of immersed membrane system considering energy cost fluctuations |
| 02/21/2013 | WO2013025162A1 System for treating water |
| 02/20/2013 | EP2559667A1 Treatment method of wastewater containing persistent substances |
| 02/20/2013 | EP2558551A1 Process for the production of bio-oil from municipal solid waste |
| 02/20/2013 | EP2558422A1 Anaerobic membrane bioreactor for treating a waste stream |
| 02/20/2013 | EP2558421A1 An anaerobic wastewater treatment system |
| 02/20/2013 | EP2558420A1 Membrane bioreactor having mixed liquor and air conduits in a filtration tank |
| 02/20/2013 | EP2558189A1 A microbubble generator |
| 02/20/2013 | EP2558188A1 End seals for aeration diffuser assembly |
| 02/20/2013 | CN202749457U Double-cylinder type microbial fuel cell using waste water in pig farm as fuel |
| 02/20/2013 | CN202744430U Anaerobic ammonia oxidation granule sludge storing device |
| 02/20/2013 | CN202744423U Integrated bio-contact oxidation device for treating rural domestic sewage |
| 02/20/2013 | CN202744419U Ecological purification device for treating biogas slurry for breeding livestock and poultry |
| 02/20/2013 | CN202744390U Self-locating mounting device of aerator |
| 02/20/2013 | CN202744387U Riverway unpowered ecological purification system |
| 02/20/2013 | CN202744386U Biochemical device for treating sewage |
| 02/20/2013 | CN202744385U Integration membrane bioreactor |
| 02/20/2013 | CN202744384U Baffling device and reaction pond |
| 02/20/2013 | CN202744383U Anaerobic granular sludge circulating bed reactor |
| 02/20/2013 | CN202744382U Combined machine of aerator and mixer |
| 02/20/2013 | CN202744381U Aeration apparatus of flat sheet membrane assembly |
| 02/20/2013 | CN202744380U Filler support barrel |
| 02/20/2013 | CN202744379U 溢流堰 Weir |
| 02/20/2013 | CN202744378U High-efficiency ammonia-nitrogen removal biological aerated filter |
| 02/20/2013 | CN202744377U Baffling bed biological membrane reactor |
| 02/20/2013 | CN202744376U Membrane bioreactor |
| 02/20/2013 | CN202744375U Biological reaction settling pond for sewage treatment |
| 02/20/2013 | CN202741012U Master boot record (MBR) flat sheet membrane assembly |
| 02/20/2013 | CN102939267A Improvement of activated sludge process in wastewater treatment |
| 02/20/2013 | CN102939143A Alcohol production process |
| 02/20/2013 | CN102936565A Organic waste sewage and biogas pool integrated treatment device |
| 02/20/2013 | CN102936083A Device and method for removing refractory organics and total nitrogen in waste water simultaneously |
| 02/20/2013 | CN102936079A Method for removing aniline from industrial high salt-containing aniline wastewater |
| 02/20/2013 | CN102936076A Water self-circulating emission-free complete decomposing type bio-environmental protection toilet |
| 02/20/2013 | CN102936060A Method for degrading organic pollutant through nanometer material photo-reduction and assisted by electricigens |
| 02/20/2013 | CN102936059A Method for improving domestic sewage treatment efficiency by allocating inlet-water carbon pollution load concentration |
| 02/20/2013 | CN102936058A Wastewater treatment method and device with annularly arranged microorganism carriers |
| 02/20/2013 | CN102399721B Marine sulfur oxidizing halothiobacillus bacterial strain HGMS18 (Homeotic Genic Male Sterile) and application thereof |
| 02/20/2013 | CN102211821B Ecological jellyfish device for water body treatment |
| 02/20/2013 | CN102086075B Deep treatment process of landfill leachate |
| 02/20/2013 | CN101267880B Reactor and method for anoxia treatment of a substance in a fluid reaction medium |