| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/26/2009 | CN101514047A Compound biological membrane sewage treatment process |
| 08/26/2009 | CN101514046A Treatment process for manganese-containing organic wastewater membrane bioreactor |
| 08/26/2009 | CN101514045A Non-aeration water treatment equipment |
| 08/26/2009 | CN100532540C Method for acclimating, separating and screening highly effective phosphate-accumulating bacteria from intermittent circulating active sludge-membrane biological reaction system |
| 08/26/2009 | CN100532299C Garbage leachate processing process and system based on membrane bioreactor-nano filtering membrane technology |
| 08/26/2009 | CN100532298C Energy-saving method for processing leachate of middle-aged or old refuse landfill |
| 08/26/2009 | CN100532294C Method and equipment for treating microcystin-containing water |
| 08/26/2009 | CN100532293C On-line control method for optimization control system for anaerobic and aerobic biological denitrification process |
| 08/26/2009 | CN100532292C Mixed gas and liquid lift-up biological fluidized bed reactor |
| 08/26/2009 | CN100532291C Intensified denitrified phosphorous-removal sequencing batch membrane bioreactor technique |
| 08/25/2009 | US7579175 Aqueous culture product using power source; containing aldolase or synthetase |
| 08/25/2009 | US7578933 Biological filter for aquatic ecosystems |
| 08/25/2009 | US7578932 Condensate recovery and treatment system |
| 08/25/2009 | US7578398 Comprising intertwined nest-like strip having surface area shaped and sized for receiving bacteria present in liquid medium and for allowing attachment of bacteria onto surface of strip so as to promote growth of attached bacteria; use with septic tank and/or settling tank |
| 08/25/2009 | US7578397 Device for the treatment of fluids |
| 08/25/2009 | US7578248 Apparatus, system and method for remediation of contamination |
| 08/20/2009 | WO2009102386A1 Composite polymeric filtration media |
| 08/20/2009 | WO2009102186A1 Energy optimization in an anaerobic, facultative, anoxic aerobic plant, using fine bubbles, without sludge production |
| 08/20/2009 | WO2009102142A2 Nitrogen-rich waste water treatment method and method for producing struvite |
| 08/20/2009 | WO2009101528A1 Method for ecologising food industry technologies and a system for carrying out said method |
| 08/20/2009 | WO2009101168A1 Plant and process for the purification of wastewaters |
| 08/20/2009 | WO2009101090A1 Method and apparatus for biological treatment of spent caustic |
| 08/20/2009 | WO2009080912A3 Method and plant for the treatment of effluents containing nitrogen in a sequencing batch reactor |
| 08/20/2009 | US20090206033 Method for Treating Milbemycin Compounds and Avermectin Compounds with Active Sludge |
| 08/20/2009 | US20090206032 Solid Digesting Waste Treatment Unit |
| 08/20/2009 | US20090206031 Bioreactor system for multi-stage biological wastewater treatment |
| 08/20/2009 | US20090206030 Filter assembly, bioreactor catch basin and method of using the same |
| 08/20/2009 | CA2713265A1 Method and apparatus for biological treatment of spent caustic |
| 08/19/2009 | EP2090547A1 Filling for biofillter for methane oxidation |
| 08/19/2009 | CN201292299Y Water treatment system with postpositive denitrification process |
| 08/19/2009 | CN201292291Y High-efficiency co-metabolism reactor for treating organic matter hard-to-degrade in papermaking wastewater |
| 08/19/2009 | CN201292290Y Integrated inversed A2O oxidation ditch and co-constructed Orbal oxidation ditch combined apparatus for treating ethanol wastewater |
| 08/19/2009 | CN201292289Y CAST segmenting water feed reinforced denitrification process control system |
| 08/19/2009 | CN201292288Y Ecological oxidation ditch structure for low carbon/nitrogen ratio fine pollution water purification |
| 08/19/2009 | CN201292287Y Water distribution device for anaerobic sewage treatment |
| 08/19/2009 | CN201292286Y Petrified sewage processor |
| 08/19/2009 | CN201292285Y Laminated water treatment combined stuffing belt |
| 08/19/2009 | CN201292284Y Stuffing apparatus for sewage treatment |
| 08/19/2009 | CN201292283Y Baffling high-efficiency bio-filter apparatus |
| 08/19/2009 | CN201292278Y Treating device for degradation of ethyl alcohol and aromatics by using water-containing sand trap |
| 08/19/2009 | CN201292263Y Vertical flow type aerobic gas float filter chamber |
| 08/19/2009 | CN201290293Y Small biology purifier for temporarily culturing marine lives |
| 08/19/2009 | CN201290262Y Simple economic water-surface plant cultivation floating floor |
| 08/19/2009 | CN101509013A Micro-ecological formulation and preparation method thereof |
| 08/19/2009 | CN101508981A Method and apparatus for duration enzyme production of biomass carrier with organic waste water treatment |
| 08/19/2009 | CN101508514A Zero discharge recycle treatment method for garbage leachate |
| 08/19/2009 | CN101508513A Sewage sludge decrement process for reinforcing removal of nitrogen and phosphor in sewage water |
| 08/19/2009 | CN101508512A Core-three-circulation combined water treatment process |
| 08/19/2009 | CN101508511A Confervoid-biomembrane ecological treating system |
| 08/19/2009 | CN101508510A Process for treating waste water from leather rich in aldehyde with aldehyde tannage |
| 08/19/2009 | CN101508509A Interactive treating process for advance treatment and recycle of waster water from oil production |
| 08/19/2009 | CN101508508A Division point water-in and out improved AO denitrification process |
| 08/19/2009 | CN101508507A Ecological-artificial percolation filtration water treatment system and method for dispersion type domestic wastewater |
| 08/19/2009 | CN101508506A Harbor chemical wastewater processing method |
| 08/19/2009 | CN101508505A Method for removing blue algae in water and reducing algae stench |
| 08/19/2009 | CN101508504A Single-sludge inverse-nitrification dephosphorization denitrification apparatus and method |
| 08/19/2009 | CN101508503A Coupling biochemical reactor for degradation of persistent organic pollutant in wastewater |
| 08/19/2009 | CN101508491A Method for removing algae from fresh water |
| 08/19/2009 | CN101508490A Sea water resistant ecological floating bed |
| 08/19/2009 | CN101508489A Renovation method for lake aquatic ecosystem of south eutrophication city |
| 08/19/2009 | CN101508488A Sequencing batch biomembrane reaction device and sewage treatment method |
| 08/19/2009 | CN101508487A High-efficiency decolorization bacterium anaerobe filter chamber for mine stuffing |
| 08/19/2009 | CN101508486A Anaerobic reactor tridimensional flow agitating apparatus |
| 08/19/2009 | CN101508485A System and method for cultivation of aerobic particle sewage sludge and for treating organic waste water |
| 08/19/2009 | CN101508484A Denitrification water treatment system |
| 08/19/2009 | CN101508483A Stuffing for degradation of persistent organic pollutant in wastewater and method of preparing the same |
| 08/19/2009 | CN101508482A Driftage type purification apparatus for fine-pollution water body in river |
| 08/19/2009 | CN101508481A Wetland stuffing used in method for sewage treatment with artificial wetland |
| 08/19/2009 | CN101508480A Submergence type lift aeration apparatus |
| 08/19/2009 | CN101507392A Method for prolonging growth period of water hyacinth for sewage treatment |
| 08/19/2009 | CN100529058C Novel microorganism and its gene fragment order and application |
| 08/19/2009 | CN100528777C Organic waste water processing method |
| 08/19/2009 | CN100528776C Process of treating sewage with animal's excrement |
| 08/19/2009 | CN100528772C Method for removing settled organism on surface of submerged plant by using grazer |
| 08/19/2009 | CN100528771C Real-time controlling method for denitrification by reinforced circulating type active sludge process |
| 08/19/2009 | CN100528770C Integrative aerobic particle sludge membrane bioreactor sewage treatment method |
| 08/19/2009 | CN100528769C Prewarning and control method of active sludge expansion and biological foam in sewage treatment |
| 08/18/2009 | US7575686 Process for autotrophic perchlorate reduction using elemental sulfur and mollusk shells |
| 08/18/2009 | US7575685 Low oxygen biologically mediated nutrient removal |
| 08/18/2009 | US7575684 energy effective water pollution control of the waste water containing high concentrated aminoethanol from semiconductor plants discharge; biodegradation by microorganisms; denitrification, aeration, anaerobic process |
| 08/18/2009 | US7575683 Portable wetlands |
| 08/18/2009 | US7575679 Process and equipment for treating ammonium containing liquid |
| 08/18/2009 | CA2500899C Method for the chemical and biological remediation of contaminated soil and/or groundwater |
| 08/18/2009 | CA2448819C Aquarium filter system |
| 08/13/2009 | WO2009099575A2 Wastewater treatment systems and methods |
| 08/13/2009 | WO2009099209A1 Apparatus and method for treatment of radioactive nitrate salt liquid waste |
| 08/13/2009 | WO2009099208A1 Method and apparatus for treating radioactive nitrate waste liquid |
| 08/13/2009 | WO2009099207A1 Method and apparatus for treating nitrate waste liquid |
| 08/13/2009 | WO2009098066A2 Processing of water using microorganisms |
| 08/13/2009 | WO2008104997A3 A biological adsorption process for reduction of color, bod, cod and tds from distillery effluent. |
| 08/13/2009 | US20090202998 Method for the extraction of biomolecules from fixed tissues |
| 08/13/2009 | US20090200687 Treatment system for liquid |
| 08/13/2009 | US20090200231 Methods And Device For Enhancement Of Anaerobic Digestion |
| 08/13/2009 | US20090200230 Method for removing pollutants from produced water |
| 08/13/2009 | CA2713499A1 Wastewater treatment systems and methods |
| 08/12/2009 | EP2086891A2 Process and installation for anaerobic treatment of material having a high solids concentration |
| 08/12/2009 | EP1945334A4 Efficient mbr operation in wastewater treatment |
| 08/12/2009 | EP1545753B1 Membrane strip diffuser for wastewater treatment |
| 08/12/2009 | CN201288110Y Full-automatic life waste water treating device |
| 08/12/2009 | CN201288109Y Assembling modular domestic wastewater treating plant case body |