| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/04/2009 | CN100457653C Method for purifying biological settled bed water quality |
| 02/04/2009 | CN100457652C Five-factor wastewater treating apparatus |
| 02/04/2009 | CN100457651C High-efficient treatment method for waste water |
| 02/04/2009 | CN100457650C Integrated bubble-free aeration biological composite film film-separation biological reactor |
| 02/04/2009 | CN100457649C Static pressure type device for decanting water |
| 02/04/2009 | CN100457645C Zero discharge and circular utilization method of industrial effluent in regeneration treatment |
| 02/04/2009 | CN100457244C Gas-liquid dissolution apparatus |
| 02/04/2009 | CN100456925C Oxygen increasing disc |
| 02/03/2009 | US7485232 Water treatment method and water treatment apparatus |
| 02/03/2009 | US7485231 Activated sludge process using downflow sludge blanket filtration |
| 02/03/2009 | US7485230 Integrated cogeneration wastewater sewage and waste polar fats/ oils/ greases/waxes (FOG) waste treatment method and facility |
| 02/03/2009 | US7485229 Closed sulfur circulation system |
| 02/03/2009 | US7485228 Suited for waste water with high contaminant loads and operates with little trouble and is comparatively inexpensive; the food processing industry and the feeding stuff industry as well as in the paper industry and the textile industry; loop-type column reactor comprising a central flow channel |
| 02/03/2009 | US7485224 Mobile bioremediation systems |
| 01/29/2009 | WO2009014697A2 Enhanced biodegradation of non-aqueous phase liquids using surfactant enhanced in-situ chemical oxidation |
| 01/29/2009 | WO2009014346A2 Plant for aerobic and anaerobic digestion treatment by pfr |
| 01/29/2009 | WO2008125684A3 Method for converting a septic tank into a biological wastewater treatment plant |
| 01/29/2009 | US20090029442 Estrogenic substance degradable microorganism and use thereof |
| 01/29/2009 | US20090026135 without formation of toxic metabolites; groundwater and wastewater treatment |
| 01/29/2009 | US20090026134 In-situ groundwater nitrification and de-nitrification remediation system |
| 01/29/2009 | US20090026133 Treatment system may include primary treatment system, secondary treatment system, disinfection treatment system, solids treatment system, one or more fluid treatment systems, an anaerobic digestion unit configured to remove at least a portion of pathogens |
| 01/29/2009 | US20090026132 OMNI RSF™ treatment system for enhanced water and wastewater nutrient removal |
| 01/29/2009 | DE102007035253A1 Vorrichtung zum Dispergieren eines Feststoffs in Abwasser Apparatus for dispersing a solid in wastewater |
| 01/28/2009 | EP2018905A1 Strip diffuser |
| 01/28/2009 | EP2018417A2 Novel microorganism for treating wastewater and corresponding method |
| 01/28/2009 | CN201187902Y Building community integrative energy-saving environment protection system |
| 01/28/2009 | CN201186890Y Diving current generating biochemical processor |
| 01/28/2009 | CN101353636A Production method of lactobacillus micro-ecological preparation for cultivation water regulation |
| 01/28/2009 | CN101353626A Cultivation method of golden algae |
| 01/28/2009 | CN101353271A Manure diversity type toilet, and innocent treatment and reclaiming system |
| 01/28/2009 | CN101353214A Box type combined type carwash circulating water processing system |
| 01/28/2009 | CN101353203A Short-cut denitrification synchronous denitrifying phosphorus removal process and apparatus |
| 01/28/2009 | CN101353202A Gauze bio-packing apparatus |
| 01/28/2009 | CN101353201A Novel wastewater treatment method |
| 01/28/2009 | CN101353200A Method for reducing carbon dioxide discharge amount in seprobia dephosphorization denitrification process |
| 01/28/2009 | CN101353196A Fur nitro dyeing wastewater treatment and cyclic utilization method |
| 01/28/2009 | CN101352633A Stephanoporate grain slag filtering material and method for preparing the same |
| 01/28/2009 | CN100455526C Aeration inner circulation type garbage infiltration liquid two-phase treatment reactor |
| 01/28/2009 | CN100455525C Aminonitrogen treatment system for garbage landfil leachate |
| 01/28/2009 | CN100455524C Modified microbial membrane carrier |
| 01/27/2009 | US7482151 Alleviating or preventing the accumulation of ammonia in a medium via microorganisms that oxidize ammonia to nitrite; bioremediation; biodegradation |
| 01/27/2009 | US7481935 Waste water treatment process |
| 01/27/2009 | US7481934 physically removing colloidal and suspended volatile solids through adsorption and enhanced floc-formation and settling during pretreatment; adsorbing toxic substances and elements that interfere with biological processes |
| 01/27/2009 | US7481933 Process to improve the efficiency of a membrane filter activated sludge system |
| 01/27/2009 | CA2424563C In situ immobilization of metals within density variant bodies of water |
| 01/22/2009 | WO2009011920A1 Enzymatically active compositions for suppressing sulfide generation and methods of use thereof |
| 01/22/2009 | WO2009010204A1 Method for stirring and/or aerating fluids, particularly sewage, particularly using a floodable aerator |
| 01/22/2009 | US20090020474 Wastewater treatment equipment and method of wastewater treatment |
| 01/22/2009 | DE102007034133A1 Operating a purification plant with a longitudinally-flowable aerated activated-sludge tank and controlling dissolved oxygen concentration in the tank using a controller, comprises supplying an amount of air to the activated-sludge tank |
| 01/22/2009 | DE102007033483A1 Tauchbelüfter Submersible aerator |
| 01/21/2009 | EP2015862A2 Filter unit for sewage treatment and drinking water provision |
| 01/21/2009 | CN201183766Y Diatomite jet strength aeration bioreactor |
| 01/21/2009 | CN101351412A Apparatus and method for treating organic-containing wastewater |
| 01/21/2009 | CN101348781A Micro-capsule embedded with immobilized dominant bacteria, preparation and use thereof |
| 01/21/2009 | CN101348772A Comamonas aquatica LNL3 and use thereof in waste water biological denitrification |
| 01/21/2009 | CN101348768A Method for cultivating yeast with beer waste water |
| 01/21/2009 | CN101348383A Ceramic particle for water treatment and preparation thereof |
| 01/21/2009 | CN101348314A Catalytic ion reduction and anaerobic hydrolytic acidification cooperated industrial wastewater pretreatment method |
| 01/21/2009 | CN101348313A Papermaking waste water processing technological process based on membrane biological reactor |
| 01/21/2009 | CN101348312A Processing apparatus and processing method of oil-containing waste water |
| 01/21/2009 | CN101348311A Lipin processing sewage disposal process |
| 01/21/2009 | CN101348309A Kitchen solid wastes and sewerage integrated processing system |
| 01/21/2009 | CN101348308A Novel town sewerage mixed treatment process |
| 01/21/2009 | CN101348306A Process for degrading cultivation waste water nitrite using immobilized nitrifying bacteria |
| 01/21/2009 | CN101348305A Method for treating phenol-containing wastewater using wood chip immobilized Alcaligenes faecalis |
| 01/21/2009 | CN101348304A Improved process of activated sludge and biological film composite type A2/O |
| 01/21/2009 | CN101348303A Micro-power integrated purifier for living waste water |
| 01/21/2009 | CN101348302A Biological film type internal circulation anaerobic reactor |
| 01/21/2009 | CN101348301A Circulation processing method for poultry and livestock manure |
| 01/21/2009 | CN101348300A Method for removing aquaculture water nitrite nitrogen by aerobic denitrification |
| 01/21/2009 | CN100453503C Biohaydite filter material and its prepn |
| 01/21/2009 | CN100453481C Treating agent for lincomycin hydrochloride production waste water and its preparation method and usage method |
| 01/21/2009 | CN100453480C Inner aeration type aeration method and device |
| 01/21/2009 | CN100453479C Probiotic bacterium compound formulation preparation method |
| 01/21/2009 | CN100453478C Intelligent type mid-water reuse device and cleaning method thereof |
| 01/21/2009 | CN100453477C Active sludge processing system |
| 01/21/2009 | CN100453476C Method for purifying sewage in artificial wet land by northern vertical subcurrent method |
| 01/21/2009 | CN100452966C Nitrifying water treatment device for aquaria |
| 01/20/2009 | US7479230 Process for reduction of inorganic contaminants from waste streams |
| 01/20/2009 | US7479226 System for removal of contaminants from aqueous solution |
| 01/20/2009 | US7479224 Purification plant to biologically purify waste water |
| 01/20/2009 | US7479220 Plant for the removal of metals by biosorption from mining or industrial effluents |
| 01/20/2009 | CA2360425C Immersed membrane element and module |
| 01/20/2009 | CA2342247C Process and apparatus for treating biosolids from wastewater treatment |
| 01/15/2009 | WO2009008094A1 Feedstuff conversion method for benthos, cleaning method for cultivation pond or shallow ocean water on tideland, and feedstuff conversion agent for benthos |
| 01/15/2009 | WO2008127933A3 Methods of improving the yield and/or quality of aquatic or marine animals |
| 01/15/2009 | WO2008094872A3 Microbial degradation of water-borne paint containing high levels of organic solvent |
| 01/15/2009 | US20090017526 Method of using endophytic fungi to decontaminate and decompose human and animal wastes |
| 01/15/2009 | US20090014384 Novel microorganism and process for treatment of organic solid matter using the microorganism |
| 01/15/2009 | US20090014383 On/off site water reclamation system |
| 01/15/2009 | DE102004045318B4 Verfahren und Vorrichtung zum Aufbereiten einer Wirkstofflösung zum Behandeln eines Schlammes Method and apparatus for preparing a drug solution for treating a sludge |
| 01/14/2009 | EP2012905A2 Gas treatment systems and methods |
| 01/14/2009 | EP1763396B1 Device and method for gassing liquids, particularly waste water |
| 01/14/2009 | CN201180106Y Apparatus for treating carbonized waste water |
| 01/14/2009 | CN201180105Y Dispersion type sewage water and sewage sludge biochemical treatment system |
| 01/14/2009 | CN201180102Y Biological reaction pool for wastewater treatment |
| 01/14/2009 | CN201180101Y Apparatus for treating waste water of high-load aerating biological filter |
| 01/14/2009 | CN201180100Y Upflow type aerating biological filter water exit and recoil water exit system |
| 01/14/2009 | CN201180099Y Drum-cage shaped suspending filling material |
| 01/14/2009 | CN201178617Y Plant solution culture floating bed made of plastic bottle |