| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/04/2010 | WO2009118304A3 Method for processing domestic sewage from households |
| 02/04/2010 | US20100025327 Cyclic aeration system for submerged membrane modules |
| 02/04/2010 | US20100025326 Method of Supporting Denitrification |
| 02/04/2010 | US20100025325 System and Method for the Renovation of Process Water |
| 02/04/2010 | CA2732681A1 Three stage, multiple phase anaerobic digestion system and method |
| 02/04/2010 | CA2732262A1 Radial flow membrane biofilm reactor |
| 02/03/2010 | EP2148840A2 Water treatment device having discs and a rotary drum filter, and corresponding process |
| 02/03/2010 | CN201396407Y Planet reduction gear for farming machine |
| 02/03/2010 | CN201395549Y Disposing device for garbage percolate |
| 02/03/2010 | CN201395548Y Device for treating suspended sludge of compound alkali-surfactant-polymer oil extraction sewage |
| 02/03/2010 | CN201395547Y Sewage treatment device |
| 02/03/2010 | CN201395546Y Circulating-water four-stage biochemical treatment device of biomass centralized gas supply system |
| 02/03/2010 | CN201395545Y Device for treating coal chemical wastewater through anaerobic co-metabolism |
| 02/03/2010 | CN201395544Y Naked vertical beam column-shaped air-blowing type membrane bioreactor in multiple geometric shapes |
| 02/03/2010 | CN201395543Y Aeration and sedimentation type sewage treatment system |
| 02/03/2010 | CN201395530Y Wave-elimination floating bed for technology of raising water hyacinth in open water body in controlled manner |
| 02/03/2010 | CN201393475Y Flora and fauna symbiotic system used for aquiculture |
| 02/03/2010 | CN101638270A System for biochemically treating wastewater with high ammonia nitrogen concentration |
| 02/03/2010 | CN101638269A Method for treating excess sludge |
| 02/03/2010 | CN101638268A Preparation method of fossilized active sludge and micro-sewage treatment method |
| 02/03/2010 | CN101638267A Method for quickly starting shortcut nitrification of ammonia-containing wastewater |
| 02/03/2010 | CN101638266A Unround ceramsite and preparation system thereof |
| 02/03/2010 | CN101638265A Rhombic biogenic packing device |
| 02/03/2010 | CN101638264A Sponge anti-clogging strengthening compound flow constructed wetland domestic sewage treatment device |
| 02/03/2010 | CN100586879C Biological filter dephosphorizing technique employing alternative aeration |
| 02/03/2010 | CN100586878C High-efficiency biological treatment method of high-organic matter high-kjeldahl type nitrogen chemical industry wastewater |
| 02/03/2010 | CN100586877C Method for treating leachate in domestic refuses landfill site by tower type aged-refuse bioreactor |
| 02/03/2010 | CN100586876C Equipment for water purification |
| 02/02/2010 | US7655455 Method of producing a nitrification carrier containing ammonia-oxidizing bacteria for removing nitrogen |
| 02/02/2010 | US7655148 Water treatment compositions and methods of making and using |
| 02/02/2010 | US7655144 Method for the treatment of wastewater |
| 02/02/2010 | US7655143 Carbon dioxide stimulation of nitrification in activated sludge reactors |
| 02/02/2010 | US7655142 determining a control algorithm based on the relationship between the value of a parameter of the influent provided to the membrane bioreactor system and an optimal performance measurement parameter of the system and controlling operating parameters using determined control algorithm; reduced energy use |
| 01/28/2010 | WO2010011554A1 Methods and apparatus for processing organic waste |
| 01/28/2010 | US20100021968 Novel chlorella species and uses therefor |
| 01/28/2010 | US20100018919 System for treating recirculation nutrient using floating media |
| 01/28/2010 | US20100018918 Method and device for the aerobic treatment of waste water |
| 01/28/2010 | US20100018917 Methods and apparatus for processing organic waste |
| 01/28/2010 | DE202009014465U1 Vorrichtung in Form eines Drucklufthebers Device in the form of a compressed air jack |
| 01/28/2010 | DE102008033293A1 Floating switch valve useful as float switch and control valve or switching valve for the regulation of the water levels in purification plants or other liquid media, comprises a floating body, a pipeline, and two valve seats |
| 01/28/2010 | CA2730513A1 Methods and apparatus for processing organic waste |
| 01/27/2010 | EP2147714A1 Membrane filter unit |
| 01/27/2010 | EP2147711A1 Water purification system using flocculation and biological filtration |
| 01/27/2010 | EP2146935A2 Wastewater treatment using microbial strains |
| 01/27/2010 | CN201390687Y Advanced treatment device for super heavy crude oil sewage |
| 01/27/2010 | CN201390686Y Mobile sewage treatment station adopting unit type membranes and biological decomposition |
| 01/27/2010 | CN201390685Y Rural sewage treatment station adopting unit type membranes and biological decomposition |
| 01/27/2010 | CN201390678Y Biological floating island |
| 01/27/2010 | CN201390677Y Glass fiber reinforced plastic domestic sewage purifier |
| 01/27/2010 | CN201390676Y Micro-grid dynamic membrane bioreactor for continuously updating dynamic membrane |
| 01/27/2010 | CN201390675Y V-shaped-groove type cubic micro-grid assembly for continuously updating dynamic membrane |
| 01/27/2010 | CN201390674Y Mixing aeration equipment with advertising lamp box |
| 01/27/2010 | CN201390673Y Bamboo packing for water treatment |
| 01/27/2010 | CN201390672Y Continuous movement linear back wash and distribution vibration reduction micro-grid component |
| 01/27/2010 | CN201390671Y Highly-effective self-adjusting aerator bracket |
| 01/27/2010 | CN201390670Y Adjustable cavitation aerator |
| 01/27/2010 | CN101633532A Nitrogen removal processing method and nitrogen removal processing apparatus |
| 01/27/2010 | CN101633531A Sewage treatment reactor for alternately operating intermittent flow and continuous flow |
| 01/27/2010 | CN101633530A Modularized anaerobe reaction vessel |
| 01/27/2010 | CN101633529A Method for manufacturing ionic enzymatic suspended filler for highly difficult waste water treatment |
| 01/27/2010 | CN100584941C Biological demanganization functional bacterium |
| 01/27/2010 | CN100584778C Method for modifying eutrophication water body water quality |
| 01/27/2010 | CN100584777C Method and reactor for removing organic matter, sulfide, and nitrate in wastewater synchronously |
| 01/27/2010 | CN100584776C Process method for stairway composite ecological bed clarified sewage and ecological bed thereof |
| 01/27/2010 | CN100584775C Sewage treatment plant and process by suspending biological filter |
| 01/27/2010 | CN100584774C Heterotrophic nitrification aerobic granule sludge, culture method thereof and use |
| 01/27/2010 | CN100584773C Decentralized type sewage and sludge biochemical treatment system |
| 01/27/2010 | CN100584771C Method for processing heavy metal wastewater |
| 01/26/2010 | US7651618 Adding protective oxidizing agent to aqueous waste, filtering through inert film then activated carbon prior to ion exchanging and reverse osmosis treatment |
| 01/26/2010 | US7651615 Loading organic material into vessel, supplying ozone and water into vessel, separating organic material into solid material and liquid material, and reconditioning water from liquid material for use again; ozone oxidizes and breaks down at least a portion of organic material |
| 01/26/2010 | US7651614 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 |
| 01/26/2010 | US7651608 System for denitrification of treated water from aerobic wastewater treatment systems |
| 01/26/2010 | CA2425426C Wastewater treatment |
| 01/21/2010 | WO2010009148A1 Novel systems and methods for wastewater treatment |
| 01/21/2010 | WO2010008268A1 A process for treating wastewater |
| 01/21/2010 | WO2010008197A2 Lake water purification apparatus using microbubbles |
| 01/21/2010 | WO2010008132A1 Wastewater treatment apparatus with two-stage multimedia biological filtration process |
| 01/21/2010 | WO2010007766A1 Liquid treatment apparatus |
| 01/21/2010 | WO2010006383A1 Process for the treatment of water and production of biomass and associated systems |
| 01/21/2010 | WO2009134996A3 Method of conditioning a mixed liquor containing nonionic polysaccharides and/or nonionic organic molecules |
| 01/21/2010 | WO2009134023A3 Biofilm reactor containing spiral structure and water treatment device using the same |
| 01/21/2010 | WO2009129533A3 Bi-phasic bioretention system |
| 01/21/2010 | US20100015688 Novel microorganism capable of degrading diphenylarsinic acid |
| 01/21/2010 | US20100012582 Method and apparatus for biological wastewater purification |
| 01/21/2010 | US20100012581 Denitrification treatment system and method |
| 01/21/2010 | US20100012580 Novel systems and methods for wastewater treatment |
| 01/21/2010 | DE102008033292A1 Arrangement for waste water purification with biological purification plant, comprises pretreatment chamber, reactor chamber, line, pump and stop valve |
| 01/21/2010 | DE102008033291A1 Fixed-bed body for sewage purification in biological sewage treatment plant, comprises movable foils and central support substrate, where foils are arranged perpendicular to support substrate standing around foils in unilateral radiant |
| 01/21/2010 | DE102004006084B4 Verfahren und Anordnung zur Behandlung saurer und sulfathaltiger Abwässer des Bergbaus Method and apparatus for treatment of acid and sulfate-containing wastewaters of mining |
| 01/20/2010 | EP2144994A2 Fixed film bioprocess for removing carbon compounds in oil and gas drilling sludge |
| 01/20/2010 | EP2144859A1 System for processing organic waste using insect larvae |
| 01/20/2010 | EP2144855A2 Process for biostabilization and humification of biological sludge in planted filtering beds |
| 01/20/2010 | EP1999075B1 Apparatus for taking off process water |
| 01/20/2010 | CN201386046Y Aeration device with wind energy and solar energy as power to increase oxygen for water body |
| 01/20/2010 | CN201386044Y Efficient device for treating sewage water through hydrolysis acidification |
| 01/20/2010 | CN201386043Y Air diffuser of aeration biofilter |
| 01/20/2010 | CN201386042Y Adjustable siphon water decanter |
| 01/20/2010 | CN201386041Y Membrane bioreactor system for aerobic granular sludge |
| 01/20/2010 | CN201386040Y Aeration rotating brush |
| 01/20/2010 | CN201386039Y Solar falling water aeration device for water oxygen-increasing |