| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 09/03/2008 | CN101254981A Device and method for distributing water-inlet carbon source of sewage treatment plant |
| 09/03/2008 | CN101254980A Biological denitrification system and method for low C/N ratio high strength ammonia chemical comprehensive wastewater |
| 09/03/2008 | CN101254979A Domestic sewage dispersant type anaerobic contact treatment technique |
| 09/03/2008 | CN101254978A Hollow fiber curtain type film assembly |
| 09/03/2008 | CN101254977A Hollow fiber film assembly |
| 09/03/2008 | CN101254976A Magnetic bio-carrier for treating sewage water and preparation method thereof |
| 09/03/2008 | CN101254975A Method for manufacturing artificial float grass and uses thereof |
| 09/03/2008 | CN101254974A Method for processing arsenic-containing wastewater by pteris vittata artificial wet land |
| 09/03/2008 | CN101254955A Water circulation systems for ponds, lakes, and other bodies of water |
| 09/03/2008 | CN101254954A Water circulation systems for ponds, lakes, and other bodies of water |
| 09/03/2008 | CN101254409A Both-end water-generating immersed hollow fiber film component |
| 09/03/2008 | CN100415767C Pollution-free production method for processing saponin from dioscorea zingibernensis |
| 09/03/2008 | CN100415666C Combined process of reinforced biochemical flocculation and artificial wet land treatment of sewage |
| 09/03/2008 | CN100415663C High-load self-circulating in vitro anaerobic granular sludge suspended bed reactor |
| 09/03/2008 | CN100415662C System and process for sawage treating with baffling wet land filtering tank and rateral underflow wet land bed |
| 09/03/2008 | CN100415655C High hydraulic loading underground infiltration sewage treatment multiplex system |
| 09/02/2008 | US7419595 Multiple barrier biological treatment process |
| 09/02/2008 | US7419594 Apparatus and method for controlling biomass growth in suspended carrier bioreactor |
| 09/02/2008 | US7419589 Adaptable water purification apparatus |
| 08/28/2008 | WO2008102784A1 Bubble treatment device and water treatment device |
| 08/28/2008 | WO2008102478A1 Methane fermentation apparatus and method for operating the apparatus |
| 08/28/2008 | WO2008102131A1 Bioremediation |
| 08/28/2008 | WO2008101633A1 Horizontal agitator and method for producing a flow in a clearing basin using the horizontal agitator |
| 08/28/2008 | WO2008101632A1 Horizontal agitator and method for producing a flow in a clearing basin using the horizontal agitator |
| 08/28/2008 | WO2007089481A3 Conditioning system for activated sludge wastewater treatment processes |
| 08/28/2008 | US20080206842 Method of Conversion of Biodegradable Hygienically Non-Stabilized Substrate Into Hygienically Stabilized Product |
| 08/28/2008 | US20080203015 System and method for enhancing an activated sludge process |
| 08/28/2008 | US20080203014 Integrated cogeneration wastewater sewage and waste polar fats/ oils/ greases/waxes (fog) waste treatment method and facility |
| 08/28/2008 | US20080203003 Device for Purifying Anaerobic Biological Wastewater |
| 08/28/2008 | US20080203000 Air injection into the vadose zone to aerobically degrade volatile organic compounds in groundwater and inhibit subsurface landfill gas migration |
| 08/28/2008 | US20080202999 Leach Field Form and Method of Use |
| 08/28/2008 | US20080202995 Flow-through oxygenator |
| 08/28/2008 | DE102007009491A1 Heating system for scraper track cover of clarification basin overlying on basin top, comprises a centrifugal pump that takes waste water from the basin, conveys through a tube system and allows at the end of pipeline into the basin |
| 08/27/2008 | EP1961815A1 Plant capable of accumulating inorganic phosphate at high level and use of the plant |
| 08/27/2008 | EP1960316A1 Process and installation for treating waste water |
| 08/27/2008 | EP1960315A1 Composition and bioremediation method for water polluted by hydrocarbons |
| 08/27/2008 | CN201106009Y Photocatalysis and multi-medium deep treatment system for country single-family living sewage |
| 08/27/2008 | CN201106008Y Unified multifunctional sewage water biological-purification reusing apparatus |
| 08/27/2008 | CN201106006Y Device for treating sewage water by using aquatic plants |
| 08/27/2008 | CN201106005Y Eutrophic water ecological treatment device |
| 08/27/2008 | CN201106004Y Combined aerating biologic filtering pool |
| 08/27/2008 | CN201106003Y Integral self-reflux multi-stage biochemical sewage water processing unit having sludge scraper |
| 08/27/2008 | CN201106002Y Sewage treatment equipment for city construction |
| 08/27/2008 | CN201106001Y Water distribution system of energy-saving type sewage water anaerobic treatment reactor |
| 08/27/2008 | CN201105223Y Spherical stuffing |
| 08/27/2008 | CN101250555A Biological method for generating hydrogen by continuous wastewater treatment and special bio-hydrogen production fermentation liquor |
| 08/27/2008 | CN101250491A Streptomycesalbidoflavus having new metabolic characteristics and its use in biological degradation |
| 08/27/2008 | CN101250068A Method for producing photosynthetic bacterium biological fertilizer by using livestock house sewage water |
| 08/27/2008 | CN101250064A Microorganism coated brick and method for making same |
| 08/27/2008 | CN101250017A Purification technique for methyl stannum mercaptide industrial sewage |
| 08/27/2008 | CN101250016A Integrated processing technique for retting-hemp waste water and equipment thereof |
| 08/27/2008 | CN101250014A Tower earthworm ecological filter tank system |
| 08/27/2008 | CN101250009A Device and method for realizing shortcut nitrification of sludge digestive fluid by continuous flow suspended carrier |
| 08/27/2008 | CN101250008A Device and method for developing interior carbon source of sewage treatment plant |
| 08/27/2008 | CN101250007A Denitrification nitrogen and phosphorus removal urban sewage treatment method and device |
| 08/27/2008 | CN101250006A Aerobic-anaerobic cycling treatment fluidized bed reactor for landfill leachate |
| 08/27/2008 | CN101250005A Cassava grain stillage anaerobic treatment method |
| 08/27/2008 | CN101250004A Device and method for improving function of CH4 production by UASB and removal rate of phosphate by using zero-valent iron |
| 08/27/2008 | CN101250003A Hollow fiber film assembly |
| 08/27/2008 | CN101250002A Intermittent activated sludge process technology |
| 08/27/2008 | CN101250001A Novel V-shaped strip type microporous tube aeration device with uniform gas distribution |
| 08/27/2008 | CN101250000A Advanced treatment method for removing iron-manganese in water |
| 08/27/2008 | CN101249999A Decentralized type sewage and sludge biochemical treatment system |
| 08/27/2008 | CN101249998A Artificial wet-land pulse water distribution method and system thereof |
| 08/27/2008 | CN100413794C Ecological milk cow grassland wastes treating system and method |
| 08/27/2008 | CN100413789C Compound filling for sewage treatment and preparing method thereof |
| 08/27/2008 | CN100413788C Intelligent environment-protection ecological toilet |
| 08/26/2008 | US7416882 Treatment of soil impurities; coarse particle sizes; biooxidation |
| 08/26/2008 | US7416669 Biological nutrient removal process and process control system for same |
| 08/26/2008 | US7416668 water apparatus using sludge dewatering, in conjunction with bioremediation; treating waste water by applying it to land for plant consumption; passing it through an aqueous plant or microbial reduction of dissolved solids and ammonia for oxygen demand compliance and effluent discharge requirements |
| 08/21/2008 | WO2008100723A1 Method of and system for supporting denitrification |
| 08/21/2008 | WO2008098322A1 Method for biological cleaning of water from reservoirs |
| 08/21/2008 | US20080197074 Method of and system for supporting denitrification |
| 08/21/2008 | US20080197073 Treating Pollutants By Photoleaching |
| 08/21/2008 | DE102007007721A1 Verfahren und Vorrichtung zur Behandlung von Klärschlamm, Abwasser oder einer Suspension partikulärer Substanzen Method and apparatus for treatment of sewage sludge, waste water or a suspension of particulate substances |
| 08/20/2008 | EP1957626A2 Rapid non-equilibrium decompression of microorganism-containing waste streams |
| 08/20/2008 | EP1957415A1 Product for the treatment of wastewaters and sewage |
| 08/20/2008 | EP1957414A1 Sewage treatment plant comprising a membrane unit |
| 08/20/2008 | EP1957413A1 Sewage treatment |
| 08/20/2008 | CN201102925Y Underwater combined water plant purifier |
| 08/20/2008 | CN201102924Y Combined water plant purifier |
| 08/20/2008 | CN201102923Y High-efficiency denitriding water-treating fluidized filling material |
| 08/20/2008 | CN201102922Y Circulating water-treating fluidized filling material |
| 08/20/2008 | CN201102921Y Aerating biological filter |
| 08/20/2008 | CN201102914Y Filtering membrane package for membrane bioreactor |
| 08/20/2008 | CN101245328A Bacillus foecalis alkaligenes and method for catalysis degradation of phynol wastewater |
| 08/20/2008 | CN101244884A Wastewater treatment method using magnetism biological carrier and magnetic separation technique |
| 08/20/2008 | CN101244883A High-efficiency low-consumption retexture method for urban sewage |
| 08/20/2008 | CN101244882A Method for reducing sewage sludge in biological sewage treatment process by using ultrasound wave |
| 08/20/2008 | CN101244881A Biological reaction pool for wastewater treatment |
| 08/20/2008 | CN101244880A Advanced treatment method for garbage percolate |
| 08/20/2008 | CN101244877A Treatment for wastewater of technique for producing spaston and cyclic utilization method for recycled organic matter |
| 08/20/2008 | CN101244873A Aeration machine impeller |
| 08/20/2008 | CN101244868A Optimization design method for jet aeration wastewater treatment reactor |
| 08/20/2008 | CN101244867A Downflow double-layer filter material aerating biological filter and method for using the filter chamber to process raw water |
| 08/20/2008 | CN101244866A Single-slice single-layer hollow fiber film component |
| 08/20/2008 | CN101244865A Combined biological trickling filter of denitrification and dephosphorization |
| 08/20/2008 | CN101244859A Method for processing heavy metal wastewater |
| 08/20/2008 | CN100412192C Artificial biological film and preparation method |
| 08/20/2008 | CN100412187C Microecological preparation-tetragenous viable bacteria preparation and method for preparing same |