Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
06/2007
06/28/2007WO2007071000A1 A mixer having multiple gas inlets
06/28/2007US20070144966 Automatically controlling a rate at which a feed chemical such as methanol is provided to microbes in a filtration bed based on influent flow rate and influent concentrations of nitrates, nitrites, and dissolved oxygen
06/28/2007US20070144965 Low oxygen biologically mediated nutrient removal
06/28/2007US20070144963 Comprising intertwined nest-like strip having surface area shaped and sized for receiving bacteria present in liquid medium and for allowing attachment of bacteria onto surface of strip so as to promote growth of attached bacteria; use with septic tank and/or settling tank
06/28/2007US20070144962 Comprising intertwined nest-like strip having surface area shaped and sized for receiving bacteria present in liquid medium and for allowing attachment of bacteria onto surface of strip so as to promote growth of attached bacteria; use with septic tank and/or settling tank
06/28/2007DE202007001587U1 Vorrichtung zum Einleiten von Gasen in Flüssigkeiten An apparatus for introducing gases into liquids
06/27/2007EP1801077A1 Method for treating a contaminated fluid, system for treating a contaminated fluid, and method for making a biomass carrier suitable for treating a contaminated fluid
06/27/2007EP1801076A1 Membrane reactor and processes carried out therein
06/27/2007EP1799618A1 Method and device for low-emission storage of biologically-degradable materials
06/27/2007CN2915846Y Intermediate aeration and water-outlet film bioreactor
06/27/2007CN2915845Y Decanter for water
06/27/2007CN2915844Y Cascade type aerating biological filter pool
06/27/2007CN1986789A Composite immobilized enzyme material for repairing polluted water source and its preparing process
06/27/2007CN1986774A Industrial preparing process, fermented liquid and use of spheroidal erythrocyte
06/27/2007CN1986461A Method of treating domestic sewage dispersively and its reactor
06/27/2007CN1986460A Process of treating waste water from artificial leather base cloth production
06/27/2007CN1986459A Process of treating waste water from thermosensitive material production
06/27/2007CN1986455A Constant water level sequencing batch active sludge process and system for treating sewage
06/27/2007CN1986454A High efficiency autoflow domestic-sewage purifying treatment unit
06/27/2007CN1986453A UASB biological pneumatic circulation stirring technique
06/27/2007CN1986452A Vane wheel of surface aerator
06/27/2007CN1986451A Mixed aeration type biological treating system
06/27/2007CN1986450A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
06/27/2007CN1986449A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
06/27/2007CN1986448A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
06/27/2007CN1986447A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
06/27/2007CN1986446A Nitrobacteria growth promoter
06/27/2007CN1986445A Nitrobacteria culture promoter
06/27/2007CN1986444A Nitrobacteria culture promoter
06/27/2007CN1986443A Nitrobacteria growth promoter
06/27/2007CN1986442A Domestic sewage ecologically treating system
06/27/2007CN1323042C Printing and dyeing wastewater recovery and disposal method
06/27/2007CN1323039C Apparatus and method for disposing refuse leachate from household refuse burning factory
06/27/2007CN1323038C Biological reactor for treating sewage
06/27/2007CN1323037C Method and apparatus for removing viruses
06/26/2007US7235398 Method for degrading polylactide resins
06/26/2007US7235271 Cheese-like dairy products and process for producing the same
06/26/2007US7235178 Pretreating by surface filtration and collection in a mixing tank; continuous feeding into a three stage bioreactor; denitrification and sedimentation of the solids in a third tank; the sludge is recirculated and disinfected, and then fine filtered in a fourth tank
06/26/2007US7235174 Method of sludge recycling
06/26/2007CA2410541C An oriented structure for treating a fluid
06/21/2007WO2007069899A1 Anaerobic oxidation of methane and denitrification
06/21/2007WO2007068945A1 Cell culture and mixing vessel with gas circulation
06/21/2007WO2007068446A1 Plant and process for generating biogas from biodegradable material containing liquid and solid components, in particular waste products, and also biogas generation container for use in the plant
06/21/2007WO2007050613A3 Double-sided self-cleansing media
06/21/2007WO2007045718A3 Apparatus for the cooling, condensation, aeration and or mixing of water and method for its use
06/21/2007US20070138091 Waste water treatment method and waste water treatment apparatus
06/21/2007US20070138090 Method and apparatus for treating wastewater
06/21/2007DE20221745U1 Vorrichtung zur Schlammführung aus einer Schmutzwasserbehandlungsanlage Apparatus for sludge management of a waste water treatment plant
06/21/2007CA2628323A1 Plant and process for generating biogas from biodegradable material containing liquid and solid components, in particular waste products, and also biogas generation container for use in the plant
06/20/2007EP1798205A1 Small scale water purification plant with outflow jack
06/20/2007EP1797014A1 System and method for treating wastewater
06/20/2007CN2913353Y Bamboo raft floating bed apparatus using wall fern
06/20/2007CN2913352Y City preposed warehouse engineering system
06/20/2007CN2913351Y Laminated push-flow type anaerobic filter
06/20/2007CN2913350Y Purifying device for centralization discharge area-source pollution
06/20/2007CN1984847A Method of wastewater treatment with excess sludge withdrawal reduced
06/20/2007CN1984710A Apparatus for treating fluids
06/20/2007CN1982237A Quick-decomposing biological sewage treatment and treating system
06/20/2007CN1982235A Method for purifying biological settled bed water quality
06/20/2007CN1982234A Method and apparatus for repairing plant in water polluted by arsenic
06/20/2007CN1982233A Self-oxygen-supplying biomimetic sewage purifying reactor
06/20/2007CN1981574A Aquiculturing system process for works with circulating water
06/20/2007CN1321919C Technological process and apparatus of serial gas stripping inner circulation reactor
06/20/2007CN1321918C Fixed microbial suspension ceramic carrier and production thereof
06/20/2007CN1321917C Composite medicament for preventing membrane pollution
06/20/2007CN1321911C Process and apparatus for removing ferromanganese from underground water
06/19/2007CA2276760C Device for stirring and aerating a liquid and eliminating the foam in a vat for treating this liquid
06/19/2007CA2250890C Process for the biological purification of waste water
06/14/2007WO2007066388A1 Floating-type water-quality improvement device
06/14/2007WO2007065956A1 Process and installation for treating wastewater
06/14/2007US20070131613 Water treatment
06/14/2007US20070131605 Hollow fiber membrane module, hollow fiber membrane module unit, and water treatment method
06/14/2007US20070131596 Oxygen-supply-capable cooling water equipment, filtration equipment and filtration-function-equipped cooling water equipment incorporated with these equipment
06/14/2007DE102006001603A1 Biological waste water treatment reactor has cross-flow bio-membrane filter located immediately before reactor outlet
06/13/2007EP1794094A2 Apparatus, system and method for remediation of contamination
06/13/2007EP1794093A1 Method and apparatus for the purification of ground water
06/13/2007EP1230173B1 Apparatus for processing fluids
06/13/2007CN2910919Y Water surface grass blanket
06/13/2007CN2910918Y Program control device for batching substrate inlet of SBR deep nitrogen contd. substances removing process
06/13/2007CN2910917Y Anaerobic biochemical reactor able to enhance bio-degradation of wastewater
06/13/2007CN2910916Y Mobile biological filtration tank
06/13/2007CN2910915Y Multi-media filtration biological treatment equipment for removing nitrogen-contained matter from water
06/13/2007CN2910906Y Union equipment for treating wastewater contg. difficult degradation substances combined membrane biological reactor and reverse osmosis
06/13/2007CN2910902Y Gas dissolving apparatus
06/13/2007CN1980864A 水处理 Water Treatment
06/13/2007CN1980728A Method and apparatus providing improved throughput and operating life of submerged membranes
06/13/2007CN1978639A Method for preparing immobilized thallus and its use
06/13/2007CN1978347A Movable cabinet type water treatment system
06/13/2007CN1978346A Refuse leachate treatment technology
06/13/2007CN1978343A Composite bioreactor for treating high-concentration hardly-degradable waste water
06/13/2007CN1978342A Comhined-flow artificial wet land and its application system
06/13/2007CN1978341A Efficient treatment porous net-like biofiller preparation and its use method
06/13/2007CN1978340A BMBR (biomembrane bioreactor) sewage treatment process and equipment
06/13/2007CN1978339A Method and reactor for quick nitrosation of ammonia nitrogen in low carbon-nitrogenration high ammonianitrogen waste water
06/13/2007CN1978329A T-shape dam upper stross potential-flow wet ground
06/13/2007CN1978039A Horizontal oscillation jet-flow mixing integrated device
06/13/2007CN1321173C 枯草芽孢杆菌制剂 Bacillus subtilis preparation
06/13/2007CN1321076C Aquaculture sewage purifier using large-sized algae as fillings
06/13/2007CN1321075C Plant floating island and preparation method thereof
06/13/2007CN1321074C Novel active sludge process with reduced excess sludge