| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 04/12/2011 | US7922907 Process for water treatment |
| 04/12/2011 | US7922906 Septic system cleaning method |
| 04/12/2011 | US7922902 Hollow fiber membrane module, hollow fiber membrane module unit, and water treatment method |
| 04/12/2011 | US7922901 System for water treatment |
| 04/12/2011 | CA2323635C Burkholderia cepacia production process in the presence of tert-butanol or tert-amyl alcohol, the inoculum produced and the process of degradation of these alcohols |
| 04/07/2011 | WO2011041458A1 Green synthesis of nanometals using fruit extracts and use thereof |
| 04/07/2011 | WO2011039832A1 Organic wastewater treatment method and treatment device |
| 04/07/2011 | WO2011039831A1 Biotreatment method for water containing organic substance |
| 04/07/2011 | WO2011039387A1 Degradation of hydrocarbons originating from petroleum by means of scenedesmus obtusus |
| 04/07/2011 | WO2011019304A3 Method for immobilizing cells of microorganisms into a sorbent used for oil pollution cleanup |
| 04/07/2011 | WO2010129940A3 Archael laccases and multicopper oxidases (mcos) and their uses thereof |
| 04/07/2011 | US20110082040 Composition and method for delivery of substances in a dry mode |
| 04/07/2011 | US20110079555 Aquarium Filter |
| 04/07/2011 | US20110079554 Method for treating mixed wastewater from pharmaceutical chemical industry park |
| 04/07/2011 | DE102009041926A1 Operating a biological sewage treatment device, useful for waste-water treatment of households which are not connected to public sewage system, comprises reducing oxygen entry in clarification chamber when there is decline in filling level |
| 04/06/2011 | CN201785293U Sewage treatment system |
| 04/06/2011 | CN201785292U Hospital sewage treatment system based on MBR |
| 04/06/2011 | CN201785291U Contact oxidation and sand filtration integrated processing system for light polluted water treatment |
| 04/06/2011 | CN201785290U Composite type artificial wetland water purification system in riverway |
| 04/06/2011 | CN201785287U System for treating leachate of refuse sanitary landfill site |
| 04/06/2011 | CN201785286U Coking waste water complete denitrification treatment system adopting biological membrane method |
| 04/06/2011 | CN201785284U Biological aerated filter |
| 04/06/2011 | CN201785250U Curtain-shaped ecological base for purifying sewage |
| 04/06/2011 | CN201785249U Free body ecological base for purifying river landscape water |
| 04/06/2011 | CN201785248U Umbrellalike ecological matrix for purifying micro-polluted water |
| 04/06/2011 | CN201785247U Short-range constant water level sequencing sewage treating device |
| 04/06/2011 | CN201785246U CAFT high-efficiency anaerobe reactor for processing sewage |
| 04/06/2011 | CN201785245U Compound biological packing and bioreactor thereof |
| 04/06/2011 | CN201785244U Biofilter treatment system capable of switching treatment reaction types |
| 04/06/2011 | CN201785243U Liftable aeration device |
| 04/06/2011 | CN201785242U Lifting and locating device of aeration equipment |
| 04/06/2011 | CN201785241U Lifting device of aeration equipment |
| 04/06/2011 | CN201785240U Submersible microporous aerator pipe |
| 04/06/2011 | CN201785239U Ornamental water quality improving ecological base |
| 04/06/2011 | CN201785231U Multifunctional high-efficiency sewage treatment reactor |
| 04/06/2011 | CN102007076A A phytosystem for treatment of sewage |
| 04/06/2011 | CN102007075A Energy optimization in an anaerobic, facultative, anoxic aerobic plant, using fine bubbles, without sludge production |
| 04/06/2011 | CN102003807A Suspended water tank |
| 04/06/2011 | CN102003541A Sewage treatment aeration flow regulating valve |
| 04/06/2011 | CN102002847A Electrochemical CF (Carbon Fiber) surface modification method |
| 04/06/2011 | CN102002466A Oscillatoria for treating petroleum pollutants, preparation method and application thereof |
| 04/06/2011 | CN102001802A Nitrification and denitrification combined integral biological filter |
| 04/06/2011 | CN102001800A Method for purifying wastewater containing organosilicon |
| 04/06/2011 | CN102001799A Efficient anaerobic-aerobic combined treatment device for high-concentration organic wastewater |
| 04/06/2011 | CN102001798A Method and system for deep purification of drinking water by adopting oxidation-resistant film |
| 04/06/2011 | CN102001797A Stepwise function-intensified biological and ecological oxidation pond and method for deeply purifying water quality |
| 04/06/2011 | CN102001796A Novel membrane bioreactor and treatment process thereof for industrial waste |
| 04/06/2011 | CN102001795A Treatment process of membrane bioreactor in nondegradable industrial wastewater |
| 04/06/2011 | CN102001793A Method and system for treating sewage of tidal flow and horizontal subsurface flow combined wetland |
| 04/06/2011 | CN102001790A Upflow type oxidation ditch organic waste water treatment method |
| 04/06/2011 | CN102001789A Process for treating coal chemical waste water |
| 04/06/2011 | CN102001785A Compound biological film integrated reactor for treatment of domestic sewage and application method |
| 04/06/2011 | CN102001784A High efficiency low energy consumption urban sewage dephosphorization denitrification treatment method |
| 04/06/2011 | CN102001759A Mobile aerator |
| 04/06/2011 | CN102001756A Stable surface flow wetland for preventing silting and sewage treatment method |
| 04/06/2011 | CN102001755A Landscaping type modularized multilayer combination biological floating island for purifying water quality of rivers and lakes of city |
| 04/06/2011 | CN102001754A Shallow layer construction method suitable for various reed-type artificial wet lands |
| 04/06/2011 | CN102001753A Ecological corridor for removing nitrogen and phosphorus of micro-polluted river water and construction method thereof |
| 04/06/2011 | CN102001752A Method for building ecological interception ditch plant community by taking Phalaris canariensis as dominant species |
| 04/06/2011 | CN102001751A Continuous backwashing aeration biofilter |
| 04/06/2011 | CN102001750A Sequencing batch reactor (SBR) nitrosation-denitrosation implementation method at low temperature by controlling accumulation of free ammonia |
| 04/06/2011 | CN102001749A Method for improving efficiency of anaerobic baffled reactor and pulse-type anaerobic baffled reactor |
| 04/06/2011 | CN102001748A Vortex flow, laminar flow and pulse flow anaerobic bioreactor |
| 04/06/2011 | CN102001747A Biological contact oxidizer with semi-fixed filler type and method for repairing open micro-pollution water |
| 04/06/2011 | CN102001746A Semicoke bacteria filter and method for advanced treatment of coal gasification wastewater using same |
| 04/06/2011 | CN102001745A Low-energy consumption aeration-free membrane bioreactor |
| 04/06/2011 | CN102001744A Integral Orbal oxidation ditch combination type aeration system |
| 04/06/2011 | CN102001743A Sewage aerobic land treatment system |
| 04/06/2011 | CN102001742A Submersible stirring type hydrolytic acidification membrane bioreactor |
| 04/06/2011 | CN102001741A Biochemical water treatment experimental device and process |
| 04/06/2011 | CN102001719A Micron-nano-sized aerator |
| 04/06/2011 | CN102000519A Jet type hydraulic blender |
| 04/06/2011 | CN101999289A Method for preventing and controlling water contamination in karst regions on basis of vegetation measures |
| 04/06/2011 | CN101638264B Sponge anti-clogging strengthening compound flow constructed wetland domestic sewage treatment device |
| 04/06/2011 | CN101544423B A/O denitrification sewage treatment process and device capable of realizing sludge reduction |
| 04/06/2011 | CN101540008B Analogy method based on activated sludge purification process of HPP cellular automaton model |
| 04/06/2011 | CN101492550B Micropore aeration pipe |
| 04/06/2011 | CN101492203B Ecological pond simulating system for cultivation of advanced waste treatment |
| 04/06/2011 | CN101450830B Multi-stage aerobic and anoxic coupling bioreactor and sewage disposal method |
| 04/06/2011 | CN101434437B Processing method for wastewater from cephalosporin synthesis pharmaceutical production |
| 04/06/2011 | CN101358177B Chlorpyrifos degrading bacteria and use thereof |
| 04/06/2011 | CN101343132B Treatment method for wastewater of polyvinyl chloride (PVC) anticentripetal mother solution |
| 04/06/2011 | CN101108749B Comprehensive treatment method of city reservoir project process flow system |
| 04/06/2011 | CN101078307B Method for constructing sewage treatment facilities penetrating into building |
| 04/05/2011 | US7919304 Using microorganism laden filter media bed to separate volatile organic compounds (VOC'S) from effluent gas; pollution control |
| 04/05/2011 | US7919299 Trichoderma reesei glucoamylase and homologs thereof |
| 04/05/2011 | US7919000 Reactor comprising a supply distribution system for anaerobic waste water treatment |
| 04/05/2011 | US7918348 Filter device and method for the periodic cleaning of a filter |
| 03/31/2011 | WO2011038113A1 Denitrification process |
| 03/31/2011 | WO2011036317A1 System and devices for assisting in planting and growing floating macrophyte-type plant species in uses for the purification of water |
| 03/31/2011 | WO2011036222A1 Method and device for biologically cleaning wastewater |
| 03/31/2011 | WO2011036221A1 Device for cleaning wastewater |
| 03/31/2011 | WO2011035949A2 Organic uncoupling agents |
| 03/31/2011 | WO2011015852A3 Anaerobic digestion process and apparatus |
| 03/31/2011 | WO2011005531A3 Biofilm remediation of metal containing wastewater |
| 03/31/2011 | WO2010137796A3 Sewage and wastewater treatment device comprising a rectangular upstream anaerobic/oxygen-free reaction tank, and a sewage and wastewater treatment method using the same |
| 03/31/2011 | US20110076750 Process for the treatment of liquid effluents laden with hydrocarbons |
| 03/31/2011 | US20110076749 Microalgae with high-efficient ability to remove carbon dioxide and use thereof |
| 03/31/2011 | US20110076738 Solvent-borne polymeric bioactive coatings for the facilitated removal of bioorganic stains |
| 03/31/2011 | US20110073545 Treatment of aqueous liquid |