Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
07/2006
07/27/2006US20060163158 Apparatus and method for treating wastewater using contact media
07/27/2006US20060163157 Hollow gas transfer fibre arranged in tows and potted into module, for treating wastewater by supplying hydrogen containing gas; oxygen demand; pollution control
07/27/2006US20060163156 Degradation treatment process and system for organics in organically-polluted water
07/27/2006US20060163155 solubilizing the sludge, then a liquid-solid separation process, partially digesting the liquid fraction and directing it to a biological treatment system; solubilizing the solid fraction
07/27/2006US20060163154 Compositions and methods for the treatment of wastewater and other waste
07/26/2006EP1683766A1 Method of reducing the pollution load of purines
07/26/2006EP1683764A1 Waste water treatment system by superconductive magentic separation
07/26/2006CN2799548Y Automatic controller for reclaimed water treatment system
07/26/2006CN2799546Y Supporting frame for underwater lawn
07/26/2006CN2799545Y Lifting device for underwater lawn
07/26/2006CN2799544Y Hydraulic lifting device for underwater lawn
07/26/2006CN2799543Y Electrode biomembrane-SBR denitrification and phosphorus-removing equipment
07/26/2006CN2799542Y Dynamic aeration device
07/26/2006CN2799541Y Improved diaphragm type micro-hole aeration device
07/26/2006CN2799540Y Bidirectional filter of upward flow aeration biological filtering tank
07/26/2006CN2799539Y Ecological sewage bio- treatment device
07/26/2006CN2798573Y Floating bed for water cultivation
07/26/2006CN1807594A Separation and authentication method for denitrifying bacteria with anaerobic ammoxidation activity
07/26/2006CN1807593A Separation and authentication method for Planctomyces with anaerobic ammoxidation activity
07/26/2006CN1807588A Composite bacillus subtilis and lactic acid bacteria microbe formulation preparation method
07/26/2006CN1807585A Highly effective phosphorus removal bacteria and its produced bacteria formulation
07/26/2006CN1807285A Multistage yeast low-oxidation processing method for treating high concentrated organic wastewater
07/26/2006CN1807284A Yeast low oxygen SBR process and device aimed to high concentrated organic wastewater
07/26/2006CN1807283A High denitrification shared type oxidation ditch
07/26/2006CN1807282A Sewage treatment method and filtering pool
07/26/2006CN1807281A circulating type aerobe reactor for treating organic waste
07/26/2006CN1807280A Impulse active biofiltration device
07/26/2006CN1807279A High-pass flexible bionic dynamic membrane assembly and its production method and uses
07/26/2006CN1807278A Pretreatment process for ulti-stage bioreactor removing blue algae and its toxin
07/26/2006CN1807277A Dropping, aeration and biological pretreatment- super filtering combined drinking water purification process
07/26/2006CN1807276A Sludge outer circulation type sewage treatment method of denitrifying and recovering phosphor using composite membrane bioreactor
07/26/2006CN1807275A Dynamic micro filter membrane assembly and water treatment process method
07/26/2006CN1806537A Ecological energy-saving level dual-cycle water treatment system for industrialized fish culture
07/26/2006CN1266403C Air pipe switching device
07/26/2006CN1266269C Acinetobacter for denitrification and decomposing ammonia in wastewater
07/26/2006CN1266267C Naegleria sp. and its application
07/26/2006CN1266056C Coating waste water treatment method
07/26/2006CN1266054C Modifying agent for microorganism breeding water and preparing method thereof
07/26/2006CN1266053C Biological denitrification technique for waste water of bean products and fuzzy control device and method
07/25/2006USRE39203 Current and aeration system for wastewater plant
07/25/2006US7081203 For the treatment of sewage via biological processes in on-site systems
07/25/2006US7081199 Aerobic digester for bodily waste material
07/25/2006US7080828 Clarification basin membrane
07/20/2006WO2006075452A1 Microbubble producing device, vortex breaking nozzle for microbubble producing device, spiral flow producing blade body for microbubble producing device, microbubble producing method, and microbubble applied device
07/20/2006WO2006075414A1 Anaerobic treatment apparatus and method of anaerobic treatment
07/20/2006US20060157407 Method and apparatus for the anaerobic treatment of waste
07/20/2006DE202006007524U1 Airlift device for withdrawing clarified water from a small treatment unit comprises an integrated disinfecting reactor with an ultraviolet radiation source
07/19/2006EP1680367A1 Gassing device
07/19/2006EP1680366A1 A water filtration system and its use
07/19/2006EP1680365A2 Waste water treatment system and process
07/19/2006EP1679963A1 Drip tray tablet
07/19/2006EP1207743A4 Method of sequestering carbon dioxide
07/19/2006CN2797356Y Biological streamer water quality purifier
07/19/2006CN2797355Y Multifunctional biological chinampa water quality purifier
07/19/2006CN2797354Y Space 3-D netty filler
07/19/2006CN2797353Y Power pendulum type hanging inflating device
07/19/2006CN1806041A Odor control compositions and methods
07/19/2006CN1804023A Microorganisms for assimilating oils or fats, etc. and methods for treating waste liquids and deodorizing by using the same
07/19/2006CN1803676A Photochemical oxidation method for increasing oilfield sewage prepared polymer solution viscosity
07/19/2006CN1803675A Method and apparatus for advanced treatment and reclamation of industrial wastewater
07/19/2006CN1803671A Optimized control method of anaerobic-anoxic-aerobic process denitrifying phosphorus removal
07/19/2006CN1803670A Method for pretreatment of sulphate-contained high concentration organic wastewater by micro-aerobic hydrolysis and acidification
07/19/2006CN1803669A Method for treating middle section water of alkaline straw pulp
07/19/2006CN1803668A Multi-phase internal circulating anaerobic reactor
07/19/2006CN1803667A Method for improving operation stability of anaerobic reactor
07/19/2006CN1803666A Production method of non-woven biological carrier and finished product thereby
07/19/2006CN1803665A Highly efficient water treatment method by aerobic circulating biological expansion bed and reactor thereof
07/19/2006CN1803664A Novel active sludge process with reduced excess sludge
07/19/2006CN1803663A Multi-medium filtering biological denitrification process and apparatus thereof
07/19/2006CN1803228A Biological restoration method for p-chloronitrobenzene compound polluted environment
07/19/2006CN1264970C Compound type biological flocculating agent two-stage fermentation method
07/19/2006CN1264763C Self-closing perforated aeration pipe
07/19/2006CN1264762C Blade type surface aeration device
07/19/2006CN1264598C Differential injector
07/18/2006US7077959 Packaged wastewater treatment unit
07/18/2006US7077958 Sewage treatment plant
07/18/2006US7077952 Aerobic wastewater treatment system
07/13/2006WO2006072845A2 Gram positive bacterial cells comprising a disrupted flagellin gene, flagellin-based fusion proteins and use in removal of metal ions from a liquid
07/13/2006WO2006072629A1 Method for treating and reaction for decomposition of organic material in a fluid and/or for decontamination of liquid loaded with metals
07/13/2006WO2006072396A2 Apparatus for the aerobic biological purification of wastewater
07/13/2006WO2006052014A3 Organic waste water treatment method and apparatus for reducing amount of generated excess sludge
07/13/2006WO2006050685A3 Packing for a bioreactor
07/13/2006WO2001014257A9 Microbiological water filter
07/13/2006US20060151390 Method for anaerobic sludge digestion and digester
07/13/2006US20060151389 Method for supplying oxygen to a water purification process
07/13/2006US20060151388 Method of sludge recycling
07/13/2006US20060151387 Multiple soil-layering system for wastewater purification
07/13/2006US20060151386 adding yeast comprising Rhodotorula to water, in a quantity that is sufficient to grow and thereby reduce the oxygen level in the water, to a growth inhibitory or lethal level for microorganisms such as algae or molluscs
07/13/2006US20060150491 Flow-through oxygenator
07/13/2006DE202006007963U1 Mobile root zone clarification plant for water purification, e.g. at camp sites, comprises movable container, transport frame and plant module with root mat
07/13/2006DE102004063721A1 Vorrichtung zur Klärung von Abwasser Apparatus for treatment of waste water
07/13/2006CA2588871A1 Gram positive bacterial cells comprising a disrupted flagellin gene, flagellin-based fusion proteins and use in removal of metal ions from a liquid
07/12/2006EP1679287A1 Wastewater treatment method utilizing white rot and brown rot fungi
07/12/2006EP1679112A1 Air diffusing device
07/12/2006EP1678090A1 A method and a plant for waste water treatment
07/12/2006EP1678089A1 Reactor and method for anaerobic wastewater treatment
07/12/2006EP1678088A1 Reactor for anaerobic wastewater treatment
07/12/2006CN1802322A Method for purifying coke waste water using a gas-permeable membrane.
07/12/2006CN1802321A Ejector for aeration
07/12/2006CN1802320A Small-scale treatment unit for waste water