| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/05/2009 | WO2009029500A1 Application of anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source for oil recovery |
| 03/05/2009 | WO2009029312A1 Method for activated sludge wastewater treatment with high dissolved oxygen levels |
| 03/05/2009 | WO2009029311A1 System for activated sludge wastewater treatment with high dissolved oxygen levels |
| 03/05/2009 | WO2009028481A1 Activated sludge material, reduction method of excess sludge amount in bioreactor, and maintenance method of bioreactor |
| 03/05/2009 | WO2009026686A1 Liquid-solid fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 03/05/2009 | WO2008053353A3 Energy production with hyperthermophilic organisms |
| 03/05/2009 | US20090057215 Low concentration sewage treatment system combined with landscape |
| 03/05/2009 | US20090056426 Apparatus, System and Method for Remediation of Contamination |
| 03/05/2009 | DE102007041828A1 Vorrichtung und Verfahren zum Abbau von Schadstoffen in einer Flüssigkeit sowie Verwendung einer solchen Vorrichtung Apparatus and method for degradation of pollutants in a liquid and using such a device |
| 03/05/2009 | CA2703065A1 Liquid-solid fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 03/05/2009 | CA2697366A1 Method for activated sludge wastewater treatment with high dissolved oxygen levels |
| 03/05/2009 | CA2697365A1 System for activated sludge wastewater treatment with high dissolved oxygen levels |
| 03/05/2009 | CA2695378A1 Application of anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source for oil recovery |
| 03/05/2009 | CA2694914A1 Method for identification of novel anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source |
| 03/04/2009 | EP2030952A1 Method for biologically treating waste waters and recycling sludge |
| 03/04/2009 | EP2029494A2 System and methods for biological selenium removal from water |
| 03/04/2009 | EP1379623B1 Bacteria used for oxidising arsenic, method for selecting same and uses thereof for treating media containing arsenic |
| 03/04/2009 | CN201201921Y Up-flow type anaerobic sludge blanket reactor |
| 03/04/2009 | CN201201920Y Double stage anaerobic methane system |
| 03/04/2009 | CN201201919Y Revolving submergence-surfacing type aeration machine |
| 03/04/2009 | CN201201918Y Composite filling for bio-filter |
| 03/04/2009 | CN101378998A Process and reactor for anaerobic waste water purification |
| 03/04/2009 | CN101376896A Dry type fermentation process and apparatus |
| 03/04/2009 | CN101376877A Compound microecological preparation for purifying cultivation water, preparation formulation thereof and preparation processes of the preparation and the preparation formulation |
| 03/04/2009 | CN101376556A Ozone oxidation sterilizing and downflow type aerating biological filter combined waste water treatment apparatus |
| 03/04/2009 | CN101376555A Multi-stage biochemical domestic sewage processing method and processing unit thereof |
| 03/04/2009 | CN101376554A Dynamic control method and apparatus for sewage disposal |
| 03/04/2009 | CN101376553A Method for processing low temperature sewerage using low-intensity ultrasonic strengthened membrane bioreactor |
| 03/04/2009 | CN101376552A Process for processing high concentration refractory organic wastewater containing paratoluidine |
| 03/04/2009 | CN101376544A Microbial degradation method of biomass gasification waste water |
| 03/04/2009 | CN101376543A Helical flute circular current type subsurface flow constructed wetland |
| 03/04/2009 | CN101376542A Circular current type surface flow constructed wet land |
| 03/04/2009 | CN101376541A Sewage disposal method and apparatus |
| 03/04/2009 | CN101376540A Active sludge device and processing method |
| 03/04/2009 | CN101376539A Combined jet impeller underwater aeration machine |
| 03/04/2009 | CN101376538A Powdered activated charcoal strengthened built-in beam type membrane bioreactor |
| 03/04/2009 | CN101376531A MAP (guano) crystal precipitating stuffing and preparation thereof |
| 03/04/2009 | CN101375673A Industrialized artificial seedling cultivation method for rockfishes |
| 03/04/2009 | CN100465267C A microorganism agent for controlling harms of oil field sulfate reductive bacterium and an application thereof |
| 03/04/2009 | CN100465112C A technological method of treating papermaking waste water for reusing based on a membrane integrating technique |
| 03/04/2009 | CN100465109C A sewage treatment device with a denitrification function |
| 03/04/2009 | CN100465108C A multifunctional nitration back nitration integrated type automatic dynamic film bioreactor |
| 03/04/2009 | CN100465107C An aeration biology filter in a U-shaped flow |
| 03/04/2009 | CN100465106C A preparation method and an application of a composite man-made fiber material |
| 03/04/2009 | CN100465105C A method for treating domestic sewage combined by an aerobic biological fluid-bed and a micro electrolysis technology |
| 03/04/2009 | CN100465104C A method for reusing synthesized middle water |
| 03/04/2009 | CN100464812C A treatment apparatus of artificial reinforced land percolation sewage |
| 03/03/2009 | US7498163 Process for reducing solid waste volume and landfill mass |
| 03/03/2009 | US7497949 System and method for oxygenating an aerobic sludge digester |
| 03/03/2009 | US7497948 Method for remediation of soil and groundwater |
| 03/03/2009 | US7497947 Devices for water treatment |
| 02/26/2009 | WO2009026211A2 Process, adapted microbes, composition and apparatus for purification of industrial brine |
| 02/26/2009 | WO2009005397A3 Method for biological cleaning of oil-contaminated bottom sediments |
| 02/26/2009 | WO2009000845A3 Method of using contaminated water from an oilwell effluent stream |
| 02/26/2009 | US20090050562 Method for activated sludge wastewater treatment with high dissolved oxygen levels |
| 02/26/2009 | US20090050561 System and method for processing wastewater |
| 02/26/2009 | US20090050560 apparatus for lipid degradation; converte into biogas methane (CH4) and carbon dioxide (CO2) as renewable energy source; maintain sludge inside the reaction vessel; water pollution control; environmentally friendly |
| 02/26/2009 | US20090050552 System for activated sludge wastewater treatment with high dissolved oxygen levels |
| 02/26/2009 | US20090050549 Microporous Diffusion Apparatus |
| 02/26/2009 | DE102007039644A1 Device for aerating sewage in biological clarification plants and reactors, comprises a pressure chamber, an injector nozzle, an air suction pipe, a pressure pipe, and a jet pipe, which opens in an opening of the pressure chamber |
| 02/25/2009 | EP2028162A1 Reactor for the anaerobic production of biogas from pre-treated wet waste and stirring method in such reactor |
| 02/25/2009 | EP2028160A2 Modular floating helophyt filter |
| 02/25/2009 | EP2027073A1 Treatment of aqueous liquid |
| 02/25/2009 | EP2026900A1 Aerating device for a water filtering system with immersed membranes, including a floor provided with means for injecting a gas and at least one pressure balancing system |
| 02/25/2009 | CN201198462Y Ecological water cycle plant for residential district |
| 02/25/2009 | CN201198460Y Biological reaction tank for treating sewage |
| 02/25/2009 | CN201198459Y Anaerobic treatment tank |
| 02/25/2009 | CN201198458Y Aerobic particle sludge filter |
| 02/25/2009 | CN201198457Y Two-grid alternate running sequencing batch biofilm reactor |
| 02/25/2009 | CN201198452Y Biofiltration adsorption drift belt for purifying water |
| 02/25/2009 | CN101374773A Method and bioreactor for producing synfuel from carbonaceous material |
| 02/25/2009 | CN101374772A Method of biologically treating organic waste water |
| 02/25/2009 | CN101374771A Method of treating drainage water using fixation support |
| 02/25/2009 | CN101374770A Water purification apparatus |
| 02/25/2009 | CN101374591A Contaminated inflow treatment with membrane distillation bioreactor |
| 02/25/2009 | CN101372379A Double membrane processing method for organic wastewater |
| 02/25/2009 | CN101372378A Method for using SBR for quick start of continuous flow double sludge denitrification dephosphorization process |
| 02/25/2009 | CN101372377A Hydraulic-circulating fermentation process and apparatus |
| 02/25/2009 | CN101372376A Combined type blast aeration system |
| 02/25/2009 | CN101372375A Waste water treatment method and waste water treatment device |
| 02/25/2009 | CN101372374A Control method for decreasing N2O in sewerage denitrification process |
| 02/25/2009 | CN101372373A Socket wedge-shaped plug flow rotary aeration disc |
| 02/25/2009 | CN101372372A Efficient denitrification water treatment fluidized packing |
| 02/25/2009 | CN101371971A Filtering film bag and film bioreactor using the filtering film bag |
| 02/25/2009 | CN100463869C Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method |
| 02/25/2009 | CN100463601C Silver carp, bighead carp, cladophora oligoclona and daphnia hyaline cooperated algae control method |
| 02/24/2009 | US7494588 Using batch activated sludge ; controlling pH; aeration; computer control |
| 02/19/2009 | WO2009022093A1 Method and apparatus for aeration |
| 02/19/2009 | WO2009021552A1 Improved separation/purification method / installation for aqueous liquid dispersions of organic material, and use of such method / installation in an integrated treatment of manure and/or organic disgestates |
| 02/19/2009 | WO2009021502A1 Lattice sphere |
| 02/19/2009 | US20090045134 Ballast water intake and treatment system |
| 02/19/2009 | DE102007037179A1 Processing of organically loaded wastewater with high portions of mineral oils, surfactants and surface-active protective components from autoworkshops, comprises supplying the wastewater into bioreactor after flowing through settling tank |
| 02/18/2009 | EP2025647A2 Method for storing or transporting entrapping immobilization pellets |
| 02/18/2009 | EP2025646A2 Device for dispersing a solid in waste water |
| 02/18/2009 | EP2025391A1 Cell culture and mixing vessel with gaz circulation |
| 02/18/2009 | EP2024490A2 Novel chlorella species and uses therefor |
| 02/18/2009 | CN201195706Y Aeration hose support |
| 02/18/2009 | CN201195705Y Improved barrel type rotational flow aeration device |
| 02/18/2009 | CN201195704Y Immersion type hollow fiber film assembly with through upper edge |
| 02/18/2009 | CN201195703Y Ecological floating bed for tidal river |