Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
10/2008
10/29/2008CN100429157C Method for treating ammonia nitrogen wastewater
10/29/2008CN100428982C Immersion type membrane module and membrane filtering device
10/28/2008US7442313 Treating a site contaminated with toxic organic compounds by assessing for the presence or absence of suitable ozonphilic bacteria at the site and introducing ozone to the site to stimulate growth of the ozonphilic bacteria
10/28/2008US7442307 Method and apparatus for the biological activated sludge treatment of wastewater
10/28/2008US7442306 Autotrofic sulfur denitration chamber and calcium reactor
10/28/2008US7442305 Downwash process bioremediation system
10/28/2008US7442304 In-situ ballast water treatment method
10/28/2008US7442298 High-denitrification shared type orbal oxidation ditch
10/28/2008US7442295 Water purification and treatment apparatus and treatment process using the apparatus
10/28/2008CA2301450C Water treatment system and method
10/23/2008WO2008128032A2 Wastewater treatment
10/23/2008WO2008127933A2 Methods of improving the yield and/or quality of aquatic or marine animals
10/23/2008WO2008127357A2 Upflow bioreactor with septum and pressure release mechanism
10/23/2008WO2008126300A1 Method of regenerating organic waste water and apparatus therefor
10/23/2008WO2008124883A1 Method of determining the amount of carbon dioxide sequestered into the ocean as a result of ocean nourishment
10/23/2008WO2008081292A3 Production of hydrogen and methane from wastewater streams
10/23/2008WO2008008816A3 Method for removing volatile organic compounds (vocs) from an air stream
10/23/2008US20080257820 Apparatus and Method for Treating Fgd Blowdown or Similar Liquids
10/23/2008US20080257812 Jet Loop Wastewater Treatment System
10/23/2008US20080257810 Water or Wastewater System and Method for Removing BOD and Suspended Solids Through an Activated Sludge Process and a Ballasted Flocculation Process
10/23/2008US20080257809 System and Method for Processing Organic Waste Material
10/23/2008US20080257805 High Rate Filtration System
10/23/2008US20080257804 High Rate Filtration System
10/23/2008CA2684058A1 "in-situ" ballast water treatment system and method
10/23/2008CA2682864A1 Wastewater treatment
10/23/2008CA2672932A1 Upflow bioreactor with septum and pressure release mechanism
10/22/2008EP1982962A1 Method of converting a septic tank into a biological waste water treatment plant.
10/22/2008EP1981814A2 Novel anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater
10/22/2008EP1259466B1 A method for processing lignocellulosic material
10/22/2008CN201136829Y Biological-ecological composite sewage treatment pool
10/22/2008CN201136828Y Ozone treatment system for oil-containing alkaline waste water
10/22/2008CN201136825Y Biochemical treatment device for high ammonia and nitrogen-containing waste water
10/22/2008CN201136824Y Denitrification phosphorus removal device through anaerobic- anoxic oxidation channel process
10/22/2008CN201136823Y Aerobic-anaerobic circulating treatment device for waste water
10/22/2008CN201136822Y High efficiency waste water treatment device by peristalsis fermentation of solar heated biological stomach
10/22/2008CN201136821Y Cavltation aerator
10/22/2008CN201136820Y Device for treatment of sewage by biochemical method
10/22/2008CN201136819Y Pressurized fixed bed biological film reactor
10/22/2008CN201136818Y Immersed hollow fiber film assembly
10/22/2008CN201136817Y Water distributing mechanism for water distributing of biological filter
10/22/2008CN201136816Y Broad leaf type deceleration-driving submersible water impeller
10/22/2008CN101289264A Combined denitrification apparatus and method by shortcut nitrification and anaerobic ammonium oxidation of sludge-digestion liquid
10/22/2008CN101289263A Integral sewage disposal process for strengthening sludge filtrating technology
10/22/2008CN101289261A Reactor for removing nitrogen and phosphorus of lake and river water phase by biological and physical synergistic method
10/22/2008CN101289255A Reactive barrier technology for high-efficiency repairing organic pollution deposit in water
10/22/2008CN101289254A Membrane bioreactor effluent treatment process for increasing denitrification effect
10/22/2008CN101289253A Raising and adverse current anaerobic filter
10/22/2008CN101289252A Sludge acclimation method for adapting bacteria in activated sludge to high salinity environment
10/22/2008CN101289251A Simulation method of adsorbing and settling process of activated sludge based on PCA model
10/22/2008CN101289250A Carbon-storing sequencing batch activated sludge reactor and application thereof
10/22/2008CN101289249A Combination treatment method for combined HMBR and device
10/22/2008CN101289248A Operation method of non-anaerobic segment biological dephosphorization of sequencing batch reactor
10/22/2008CN101289247A Single-stage aerobic biological denitrification operation method of sequencing batch reactor
10/22/2008CN101289246A Applications of pectic enzyme for restraining algal tufa and method
10/22/2008CN101289236A Vegetative sewage water filtration filler and preparation thereof
10/22/2008CN101288828A Hollow fiber membrane assembly
10/22/2008CN100427595C Biology diatom water treatment agent and method of producing the same
10/22/2008CN100427197C Complex type internal circulation bioreactor
10/21/2008US7439054 Sequencing batch reactor tank for on-site bio-degradation of oily sludge; bacteria biodegrade hydrocarbons in oily sludge; after five day degradation cycle, a recirculation pump and aeration system are turned off and solids are allowed to settle to the bottom of the tank; ultrafiltration
10/21/2008US7438816 Method for treating water containing ammonium-nitrogen
10/21/2008US7438815 Inhibiting ammonia volatilization and/or reducing phosphorous solubility in a slurry of manure and/or urine by covering with a lipid such a vegetable oil and optionally a acidic proton donor
10/21/2008US7438814 Feeding contaminated raw water through horizontal pipes into a basin containing natural filter material; adding water containing oxygen, O2-releasing substances, metabolic substrates, or microorganisms through satellite wells around extraction well, where pure water is extracted using negative pressure
10/21/2008US7438813 Ammonia oxidation and pipe denitrification
10/21/2008US7438805 Apparatus for reducing volume of sludge
10/21/2008CA2358415C Method for treating an effluent using simultaneous nitrification/denitrification in a biofilter
10/16/2008WO2008124514A2 Fixed film bioprocess for removing carbon compounds in oil and gas drilling sludge
10/16/2008WO2008124425A1 Process for treating waste water
10/16/2008WO2008123972A1 Improved infiltration/inflow control for membrane bioreactor
10/16/2008WO2008123467A1 Aerating unit, aerating apparatus equipped therewith and method of aerating
10/16/2008WO2007093398A3 Process and biogas plant for producing biogas from organically loaded liquids
10/16/2008US20080253977 Nucleic acid encoding plant lipase polypeptide isolated from Deschampsia antarctica; host cell from Pichia containing expression vector; genetic engineering; waste water cleaning; sunscreen agents
10/16/2008US20080251455 Cyclic Aeration System for Submerged Membrane Modules
10/16/2008US20080251453 waste water treatment; passing the liquid bavk and forth between primary and secondary pressurizable aeration chambers
10/16/2008US20080251452 "In-situ" ballast water treatment system and method
10/16/2008US20080251451 Microbial treatment of waste; degrading organic waste
10/16/2008US20080251450 Waste water treatment
10/16/2008US20080251449 Fixed film bioprocess for removing carbon compounds in oil and gas drilling sludge
10/16/2008US20080251448 In line wetland water treatment system and method
10/16/2008US20080251439 Methods and Apparatus For Biological Treatment of Waste Waters
10/16/2008CA2683435A1 Fixed film bioprocess for removing carbon compounds in oil and gas drilling sludge
10/16/2008CA2682707A1 Improved infiltration/inflow control for membrane bioreactor
10/15/2008EP1979273A1 Process and reactor for anaerobic waste water purification
10/15/2008EP1979063A2 Method of removal of heavy metal ions from water
10/15/2008EP1480513B1 Integrated closed loop system for industrial water purification
10/15/2008EP1434648A4 Air diffuser membrane treated with biocide
10/15/2008CN201134469Y Animalcule fuel battery recovering electric energy from wastewater treatment
10/15/2008CN201132804Y Submersible centrifugal aeration machine with stirring device
10/15/2008CN201132803Y Fine air bubble aeration pipe for sewage disposal
10/15/2008CN201132800Y Highly effective mixing upwash reactor for anaerobic solid
10/15/2008CN201132799Y Impeller inhaling jet aerator for oxidating ditch
10/15/2008CN201132798Y Device for treatment of sewage by circling activated sludge process
10/15/2008CN201132797Y Fixed water-decanting device
10/15/2008CN201132796Y Bar gate type water-decanting device
10/15/2008CN201132795Y Frame type bio packed bed
10/15/2008CN201132794Y Bionic aquatic
10/15/2008CN201132793Y Suspended combined fillers
10/15/2008CN201132792Y Novel floating oxygenating and plug flow aerator
10/15/2008CN201132773Y Replacement-in-situ device for treating polluted water
10/15/2008CN101287682A SAF system and method involving specific treatments at respective stages
10/15/2008CN101284705A Tower type earthworm and ecological filter for treating sewage