Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
10/2008
10/15/2008CN101284700A Treatment of heavy metal and organic matter in water with bio- adsorbent prepared from mushroom
10/15/2008CN101284699A Micro-aeration vertical flow wetland sewage purification technology
10/15/2008CN101284698A Method and device of jet airlift recirculated membrane bioreactor
10/15/2008CN101284697A Device and method for realizing shortcut nitrification of sludge-digestion liquid by combined control of FA and FNA
10/15/2008CN101284696A Biloded wheel aeration machine under water
10/15/2008CN101284695A High-performance fillers for promoting biological growth in water and system stability
10/15/2008CN101284694A Hydrophilic active biological film suspend carrier and method for making the same
10/15/2008CN101284689A Water processing reactor integrating photocatalysis and biological degradation and method thereof
10/15/2008CN100425554C Treatment method of acrylic acid production waste water
10/15/2008CN100425551C Mining area acid water treating process in the source
10/15/2008CN100425550C Method for the biological breakdown of effluent containing nitroaromatics
10/15/2008CN100425549C Aeration biological filter tank and arraying method of aeration filtering head
10/15/2008CN100425548C Non-blocking aeration biological filter
10/15/2008CN100425547C Water clarifying agent inducing catalytic reaction and method of clarifying water through activation of microorganism
10/15/2008CN100425543C Electric biological processing device and method for waste water containing heavy metal ion and non-degradable organism
10/15/2008CN100425540C Oil and fat-containing waste water treating apparatus for grease trap and grease separator
10/14/2008US7435349 System for treating wastewater containing organic compounds
10/14/2008CA2264053C Method of treating ammonia-comprising waste water
10/11/2008CA2628771A1 Process for treatment of organic contaminated water
10/09/2008WO2008121833A1 Materials for removing contaminants from fluids using supports with biologically-derived functionalized groups and methods of forming and using the same
10/09/2008WO2008121079A1 Bioremediation of hydrocarbon sludge
10/09/2008WO2008121078A1 Treatment of hydrocarbon-contaminated aqueous solutions
10/09/2008US20080245731 Woven and non-woven textiles; flexible; elongation; expansion surface
10/09/2008US20080245730 Process and Apparatus for Treating Nitrogeneous Liquor
10/09/2008US20080245729 Process and Device for Aerobic-Thermophilic Stabilization and Disinfection of Sludge
10/09/2008US20080245714 Plant-Based Sewage Treatment System for Purifying Wastewater
10/09/2008DE102007017540A1 Procedure for de-coloring wastewater containing dye, comprises bringing the wastewater having brown coal granules, which is loaded with microorganisms and/or fungus and is used as substrate for the growth of the microorganisms or fungus
10/09/2008CA2682444A1 Phage receptor binding proteins for antibacterial therapy and other novel uses
10/09/2008CA2682192A1 Materials for removing contaminants from fluids using supports with biologically-derived functionalized groups and methods of forming and using the same
10/08/2008EP1976984A1 Environmental biotreatment product
10/08/2008EP1976804A1 Ozonation of wastewater for reduction of sludge or foam and bulking control
10/08/2008EP1976803A1 Process and apparatus for the purification of waste water
10/08/2008CN201130472Y Reinforced circulation type activated sludge process denitriding teaching experimental equipment
10/08/2008CN201128708Y External membrane method life waste water treating device for ship
10/08/2008CN201128704Y Centrifugal type activating aeration automatic aerator
10/08/2008CN201128703Y Subsurface flow and surface flow alternate constructed wetland
10/08/2008CN201128702Y Efficient biological sewage treatment system for oxidation ditch
10/08/2008CN201128701Y Mud-water separator for integrated oxidation ditch
10/08/2008CN201128700Y Integrated oxidation ditch for sewage disposal
10/08/2008CN201128699Y Guide wall of integrated oxidation ditch
10/08/2008CN201128698Y Main ditch encircling type integrated comprehensive
10/08/2008CN201128697Y Membrane method bubble-free aeration machine
10/08/2008CN201128696Y Lotus seed shell biofilm sewage disposal bed
10/08/2008CN201128695Y Moving bed biofilm reactor
10/08/2008CN201128694Y Water body static oxygenation and purification apparatus
10/08/2008CN201128693Y Biological filter cell for processing cesspool drain
10/08/2008CN101280322A Anaerobic fermentation method and device of alcohol waste Liquid
10/08/2008CN101280278A Separation method and application of algicadal bacteria
10/08/2008CN101280277A Trametes gallica, culture method and application thereof
10/08/2008CN101280273A Industrialized culture method and device for photosynthetic autotroph
10/08/2008CN101279809A Biological filler swimming-bed reactor
10/08/2008CN101279808A Method for processing nitrobenzene and aniline waste water
10/08/2008CN101279796A Domestic sewage process method
10/08/2008CN101279795A Chemical phosphorus removal method and apparatus based on anoxic-anaerobic-oxidation ditch
10/08/2008CN101279794A Enhanced endogenous denitrification process and device for denitrification and phosphorus removal by using film-bioreactor
10/08/2008CN101279793A High-concentration activated sludge sewage disposal process
10/08/2008CN101279792A Forming method of magnetic biological carrier for sewage disposal
10/08/2008CN100424024C Photochemical oxidation method for increasing oilfield sewage prepared polymer solution viscosity
10/08/2008CN100424022C Biological/enzymatic wet land sewage processing method
10/07/2008US7431850 One of 1) flocculation sedimentation, flotation, or filtration; 2) electrolytic oxidation reduction; and 3) simultaneous treatment with microwave and an inorganic material followed by purification by a complementary supercritical treatment or subcritical treatment
10/07/2008US7431843 Process for the purification of silicone based solvents
10/07/2008US7431840 Denitrification process
10/07/2008US7431839 Low oxygen biologically mediated nutrient removal
10/07/2008US7431834 Waste water and sludge treatment apparatus
10/07/2008US7431832 Systems for reducing water contamination
10/07/2008US7430834 Membrane-covered reservoir having a hatchway therein
10/07/2008CA2393086C Treatment of aqueous media containing electrically charged compounds
10/02/2008WO2008118749A2 Preventing and reducing biofilm formation and planktonic proliferation
10/02/2008WO2008117096A2 Method and apparatus for processing biomass waste
10/02/2008WO2008097299A3 Improved density current baffle for a clarifier tank
10/02/2008WO2008025030B1 Method and system for point of use treatment of substrate polishing fluids
10/02/2008US20080237901 Water Purifying Apparatus
10/02/2008US20080237122 Single reactor under aeration conditions; environmentally adapted biomass causes concurrent reactions for biological oxygen demand removal, nitrification and denitrification
10/02/2008US20080237106 Subsurface drip disposal system
10/02/2008CA2682102A1 Method and apparatus for processing utility waste with organic material content
10/02/2008CA2680370A1 Preventing and reducing biofilm formation and planktonic proliferation
10/02/2008CA2653967A1 Lyase enzymes, nucleic acids encoding them and methods for making and using them
10/01/2008EP1973853A2 Wastewater treatment using activated sludge and ballasted flocculation
10/01/2008EP1973852A2 Biomedia apparatus and method of use
10/01/2008EP1474608B1 Disposal of waste fluids
10/01/2008CN201125202Y Device for treatment of sewage
10/01/2008CN201125195Y Improved type four-segment water inlet A/O deep denitrification and process control apparatus
10/01/2008CN201125194Y Four segment water inlet A/O process water inlet flow allocating process control apparatus
10/01/2008CN201125193Y Ammonia nitrogen sewage disposal anaerobic pond
10/01/2008CN201125192Y Tall building methane septic sewage disposal system apparatus
10/01/2008CN201125191Y Aerator
10/01/2008CN201125190Y Rotary disk type membrane bioreactor
10/01/2008CN201125189Y Multidirectional baffling filler
10/01/2008CN201125188Y Ammonia nitrogen sewage disposal aerobic pond
10/01/2008CN201125187Y Three-phase internal circulation biochemical reaction apparatus
10/01/2008CN201125186Y Landscape water processing apparatus
10/01/2008CN201124094Y High adsorption rate fluidization stuffing
10/01/2008CN101277906A Use of sulphate-reducing thermophilic archaea for carrying out a hydrocarbon degradation process
10/01/2008CN101277905A Dynamic control of membrane bioreactor system
10/01/2008CN101277904A A multi-phase process and plant for treatment of wastewater
10/01/2008CN101275119A Application of bdellovibrio to eliminating pathogen in freshwater product and culture water thereof
10/01/2008CN101274809A Treatment apparatus for organic wastewater
10/01/2008CN101274808A Treatment process for waste water in Methyl stannum mercaptide production
10/01/2008CN101274805A Hydraulic oxygen increasing water self-cleaning screen
10/01/2008CN101274804A Comprehensive energy-saving method for sewage disposal