| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/18/2009 | CN201195702Y Water caltrop charred leather stuffing biomembrane moving bed |
| 02/18/2009 | CN201195700Y Dynamic state film supporting body for implementing water supply/wastewater treatment |
| 02/18/2009 | CN101370739A Process and reactor for anaerobic waste water purification |
| 02/18/2009 | CN101370738A Wastewater treatment through an activated sludge process and a ballasted flocculation process |
| 02/18/2009 | CN101367595A Apparatus for and method for filtering, treating and recycling seprobia |
| 02/18/2009 | CN101367594A Treatment method for cellulose fermentation wastewater |
| 02/18/2009 | CN101367593A Treatment method and system for wastewater from amide phytocides production |
| 02/18/2009 | CN101367585A Novel water course aeration device, mounting, using method and uses thereof |
| 02/18/2009 | CN101367581A Composite microorganism formulation for controlling excessive multiplication of blue-green algae and preparation method thereof |
| 02/18/2009 | CN101367580A Method for accelerating biotransformation of organic matter hard-to-degrade with co-immobilized amboceptor and thalli |
| 02/18/2009 | CN101367579A High-efficiency hollow grid shaped spherical suspending filling material |
| 02/18/2009 | CN101367576A Method for removing Cr(VI) in water |
| 02/18/2009 | CN101367575A Method for resourceful treatment of cadmium polluted wastewater |
| 02/18/2009 | CN101367561A Treatment method and apparatus for purifying water with sewage sludge adsorption |
| 02/18/2009 | CN101367001A Methods of using transformed plants expressing plant-derived acyl-coenzyme-A-binding proteins in phytoremediation |
| 02/18/2009 | CN100462312C Biomembrane draining treament system and treating method |
| 02/17/2009 | US7491336 Process for treating industrial effluent water with activated media |
| 02/17/2009 | US7491332 Method and device for physical and biological treatment of biomass |
| 02/17/2009 | US7491331 Methods for total nitrogen removal |
| 02/17/2009 | US7491325 Biological treatment system and assembly |
| 02/17/2009 | US7491323 Water distributor device for aquariums, ponds and the like provided with a possible biological filter |
| 02/17/2009 | CA2515299C Method for biologically purifying waste water |
| 02/12/2009 | WO2009018873A1 Stirring device for activated sludges |
| 02/12/2009 | WO2009018745A1 A system for feeding gas into liquid |
| 02/12/2009 | WO2009018686A1 A method for removing the contamination of c, n utilizing heterotrophic ammonia-oxidizing bacteria |
| 02/12/2009 | WO2008037743A3 Apparatus and method for face cutting extrusion of tubular pellts |
| 02/12/2009 | US20090039017 Packing for a Bioreactor |
| 02/12/2009 | US20090039016 Environmental Remediation Method |
| 02/12/2009 | US20090039015 Method of Wastewater Treatment with Excess Sludge Withdrawal Reduced |
| 02/12/2009 | US20090038999 System for treating wastewater and a controlled reaction-volume module usable therein |
| 02/11/2009 | EP2022763A1 Method and apparatus for biologically treating organic discharged water |
| 02/11/2009 | EP2021290A1 Bacterial composition for the treatment of sludge containing animal fats |
| 02/11/2009 | CN201193211Y Double-layer frame floating island capable of adjusting plant water level |
| 02/11/2009 | CN201193210Y Water distribution device for anaerobic reactor |
| 02/11/2009 | CN201193209Y Internal circulating anaerobic reactor |
| 02/11/2009 | CN101364083A Sewage treatment control device and method and sewage treatment system using the same |
| 02/11/2009 | CN101363037A Xanthan polysacchdride culture medium, preparation and application method thereof |
| 02/11/2009 | CN101362624A Dispersive high-efficiency purification treatment equipment of sewage |
| 02/11/2009 | CN101362622A Combined vertical sedimentation tank |
| 02/11/2009 | CN101362621A Composite treatment technical method of native rubber processing waste water |
| 02/11/2009 | CN101362593A Chemical phosphorus recovery method from biological sewage treatment process |
| 02/11/2009 | CN101362592A Chemical phosphorus recovery method from biological sewage treatment process |
| 02/11/2009 | CN100460611C Microbial degradation environment protection toilet apparatus |
| 02/11/2009 | CN100460500C Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage |
| 02/11/2009 | CN100460499C Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage |
| 02/11/2009 | CN100460498C Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage |
| 02/11/2009 | CN100460347C Composite method of treating oil-containing sewage and waste water |
| 02/11/2009 | CN100460345C Application of chlorine resisting strain No.1 |
| 02/11/2009 | CN100460344C Artificial marshland composite vegetation water treatment system |
| 02/11/2009 | CN100460343C Artificial wetland effluent collector |
| 02/11/2009 | CN100460342C Method of treatment of and circulation utilization of hoggery sewage by using earthworm biological filter cell |
| 02/11/2009 | CN100460341C Biological sewage-treating process |
| 02/11/2009 | CN100460340C Process for high performance treatment of organic sewage and reduction of excess sludge output |
| 02/10/2009 | US7488424 Method for fluid treatment having multiple cycles |
| 02/10/2009 | US7488413 Waste water treatment plant and method |
| 02/05/2009 | WO2009017810A1 Biological enhancement of hydrocarbon extraction |
| 02/05/2009 | WO2009017773A1 Biological wastewater treatment apparatus and methods using moving belt contactor |
| 02/05/2009 | WO2009017380A2 Filteration module and the dirty/waste water treatment system and method using the filteration module as high concentration |
| 02/05/2009 | WO2009017306A2 Advanced water reclamation method and system thereof |
| 02/05/2009 | WO2009015683A1 Device for filtering activated sludge with an electro-flocculation cell |
| 02/05/2009 | WO2009015405A1 Method of treating biosolids |
| 02/05/2009 | WO2007039910A3 Method and system for treating organically contaminated waste water |
| 02/05/2009 | WO2003016220A3 Vertical phase separation in anaerobic digestion |
| 02/05/2009 | US20090032460 Wastewater treatment method and wastewater treatment equipment |
| 02/05/2009 | US20090032459 adjusting pH of wastewater and filtering through mixture of acid-treated sawdust produced from sawdust which has been disposed of after being used for fungi production, and charcoal to remove a color component fraction from wastewater, and through filter material such as acid-treated rice husk charcoal |
| 02/05/2009 | US20090032451 Aeration-less water treatment apparatus |
| 02/05/2009 | DE102007035707A1 Method for oxygenization and pollutant absorption in aquatic systems, comprises cultivating micro algae in photo bioreactors, separating and concentrating the cells, immobilizing concentrate in polymer carriers, and collecting aggregates |
| 02/05/2009 | CA2695273A1 Biological enhancement of hydrocarbon extraction |
| 02/04/2009 | CN201190130Y Aeration pipe arranging structure |
| 02/04/2009 | CN201190129Y Fence apparatus of floating plants |
| 02/04/2009 | CN201190128Y Mechanical hoisting type double circulation anaerobic reactor |
| 02/04/2009 | CN201190127Y Three-phase separator of anaerobic internal circulation reactor |
| 02/04/2009 | CN201190126Y Apparatus for implementing shortcut nitrification of sludge nitrification liquid by suspension filling of continuous flow |
| 02/04/2009 | CN201190125Y Counter washing bag type filtrating unit |
| 02/04/2009 | CN201190124Y Fast locking apparatus |
| 02/04/2009 | CN101360687A Method and apparatus for anaerobic digestion of organic waste liquid |
| 02/04/2009 | CN101358209A Technique for preparing biogas by high-temperature anaerobic zymosis method using animal manure as raw material |
| 02/04/2009 | CN101358177A Chlorpyrifos degrading bacteria and use thereof |
| 02/04/2009 | CN101358172A Culture method of golden algae and application thereof in controlling water-bloom algae aspect |
| 02/04/2009 | CN101357815A EH-BFB biochemical denitrification dephosphorization technique |
| 02/04/2009 | CN101357814A Linkage processing method and apparatus of circulatory flow multiplex biochemistry and filtrating |
| 02/04/2009 | CN101357813A Processing method for domestic garbage leachate |
| 02/04/2009 | CN101357812A Processing method for domestic garbage leachate |
| 02/04/2009 | CN101357811A Organic waste water recovery and utilization apparatus |
| 02/04/2009 | CN101357806A Nitrification-anammox processing method and equipment of poultry-livestock culture waste waters |
| 02/04/2009 | CN101357805A Biological treatment process for processing high concentration aniline or amine (ammine )-containing organic waste water |
| 02/04/2009 | CN101357804A Low concentration sewage anaerobic treatment process |
| 02/04/2009 | CN101357803A Organic sulfur compound-containing water treatment method and treatment apparatus |
| 02/04/2009 | CN101357802A Liquid gas injection system |
| 02/04/2009 | CN101357801A Aeration system |
| 02/04/2009 | CN101357800A Sewage disposal system |
| 02/04/2009 | CN101357787A High-pressure multi phase interface simulation reactor |
| 02/04/2009 | CN101357784A Water treatment apparatus and method for ship |
| 02/04/2009 | CN101356927A Use of Bdellovibrio in eliminating pathogenicity vibrio in marine products and breeding water body thereof |
| 02/04/2009 | CN101356881A Liftable submerged plant growth bed and production and use method thereof |
| 02/04/2009 | CN100457986C Efficient treatment porous net-like biological filler preparation and its use method |
| 02/04/2009 | CN100457893C Nitro-reductive pseudomonads and its use |
| 02/04/2009 | CN100457886C Combined temperature increasing device and method by anaerobic degesting greenhouse |
| 02/04/2009 | CN100457690C Method for producing agriculture fertilizer by sludge in water treatment plant |
| 02/04/2009 | CN100457655C Integrated sewage treating process in flocculant biological flow bed |