Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/2002
09/24/2002US6454949 Water, ferrous sulfate, aluminum sulfate, sulfuric acid, aluminum salt and a cationic polyelectrolyte coagulant; measuring flow rate and oxidation reduction potential; industrial wastewater
09/24/2002US6454946 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration
09/24/2002US6454941 Gravity-flow water filtration device
09/24/2002US6454937 UV light reactor
09/24/2002US6454190 Water mist cooling system
09/24/2002US6453938 Warm drinking water conduit system
09/24/2002US6453799 Automatic vending machine with functional water generator
09/24/2002CA2254406C Process for accelerating reaction of ozone with am catalyst
09/24/2002CA2235523C Method of treating sludge containing arsenic
09/24/2002CA2182171C Oil recovery systems
09/24/2002CA2108142C Zirconium oxide ceramics for surfaces exposed to high temperature water oxidation environments
09/23/2002CA2377379A1 Process for the conditioning of polluted water
09/21/2002CA2376731A1 Treatment of water containing organic wastes with aromatic amine nitrate salts
09/21/2002CA2376725A1 Treatment of water containing organic wastes with aromatic amine nitrate salts
09/19/2002WO2002072921A2 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
09/19/2002WO2002072918A1 Process and apparatus for pickling a metal piece after welding
09/19/2002WO2002072895A1 A method for the removal of calcium from a zinc process sulfate solution
09/19/2002WO2002072813A1 Monochromatic fluid treatment systems
09/19/2002WO2002072563A1 Extraction of metal salts from aqueous solution
09/19/2002WO2002072485A2 Methods and apparatus for biological treatment of waste waters
09/19/2002WO2002072484A1 Methods of treating water using combinations of chlorine dioxide, chlorine and ammonia
09/19/2002WO2002072483A1 Elimination of metal ions from aqueous effluents
09/19/2002WO2002072482A2 Process for flocculating suspensions
09/19/2002WO2002072481A1 Method and apparatus for generating ozone by electrolysis
09/19/2002WO2002072480A1 Uv-irradiation water purification apparatus with turbulent flow
09/19/2002WO2002072479A1 Methods and apparatus for molecular induction technology to create changes in the energetic characteristics of various materials, and their use in the production of molecular changes in other media
09/19/2002WO2002072478A2 Ballast water treatment for exotic species control
09/19/2002WO2002072247A1 Hollow fiber membrane, hollow fiber membrane module, and water purifier
09/19/2002WO2002072228A1 Combined filter manifold and shut-off valve for a water purification system
09/19/2002WO2002072207A1 Electrochemical method for wet oxidation of pcb's
09/19/2002WO2002062707A8 Device for treatment and cleansing of liquids
09/19/2002WO2002056095A3 Modification of soy flour proteins for producing coagulants in papermaking and waste water treatment applications
09/19/2002WO2002055628A3 Oil absorption and reclamation methods
09/19/2002WO2002045192A3 Method for mineralizing water using a fuel cell system
09/19/2002WO2002026633A8 Adsorption container and iron oxide adsorber
09/19/2002WO2001044118A3 Combined process vessel apparatus
09/19/2002US20020133003 Method of preparing and uses of cucurbituril devices
09/19/2002US20020132143 Fuel cell system and microorganism inhibiting method
09/19/2002US20020132103 Flexible graphite capacitor element
09/19/2002US20020131924 Process for the reduction of concentration of nitrates and/or nitrogen-containing compounds by means of SO2
09/19/2002US20020131923 Reduction in mineral salt deposition
09/19/2002US20020131906 For the production of drinking water, wherein the water is exposed to ultraviolet radiation from a tubular watertight UV source
09/19/2002US20020130091 Providing flow of fluid containing ozone; passing fluid over object to be disinfected or sterilized inside confined space; continuously monitoring concentration of ozone in flowing fluid; terminating flow of fluid containing ozone
09/19/2002US20020130089 Using aluminum chlorohydrate polymer blends for the removal of color in pulp and paper mill effluents
09/19/2002US20020130088 Colloidal solids removal and improved seawater desalting
09/19/2002US20020130087 Inorganic composition, process of preparation and method of use
09/19/2002US20020130086 Adding to sludge flowing in a sludge treatment line a flocculating agent for flocculating materials such as dissolved solid, suspended solid or fine floating solid in sludge in the midway of sludge treatment line; stirring
09/19/2002US20020130085 Contacting matter with a substrate modified with complexing element(s) selected from Group IIIB, lanthanides, and Group IVB elements for remediating matter by removing phosphorus and oxyanion pollutants
09/19/2002US20020130084 Thiacrown polymers for removal of mercury from waste streams
09/19/2002US20020130083 Reusable storm water sampler and pollutant filter insert
09/19/2002US20020130080 Water filtration using immersed membranes
09/19/2002US20020130078 Use of a membrane in the purification of water containing least one of suspended solids, dissolved solids, pollutants, salts and biological materials, wherein membrane separates and permits a differential transfer of water vapor
09/19/2002US20020130069 Water quality monitoring and transmission system and method
09/19/2002US20020130037 System for the electrodialytic regeneration of an electroless bath electrolyte
09/19/2002US20020130030 Method of decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds and apparatus to be used for the same as well as method of clarifying exhaust gas and apparatus to be used for the same
09/19/2002US20020130029 Has no moving parts, thereby increasing reliability while reducing noise and maintenance
09/19/2002DE10118165A1 Vorrichtung zum Zersetzen von Schadstoffen mit Hilfe eines Photokatalysators Apparatus for decomposing pollutants using a photocatalyst
09/19/2002DE10113278A1 Pressure die-casting wash water purification involves reverse osmosis and membrane filtration to separate acrylates and methacrylates before ecologically acceptable directing to public drainage system
09/19/2002DE10113113A1 Nitratreduktion durch SO¶2¶ Nitrate reduction by SO¶2¶
09/19/2002DE10112085A1 Device used in water treatment for dosing substances into a liquid stream, comprises a reservoir holding a substance solution, a dosing channel for the liquid stream, and a microporous separating wall
09/19/2002CA2476614A1 Methods and apparatus for biological treatment of waste waters
09/19/2002CA2440390A1 Methods and apparatus for molecular induction technology to create changes in the energetic characteristics of various materials, and their use in the production of molecular changes in other media
09/19/2002CA2439914A1 A method for the removal of calcium from a zinc process sulfate solution
09/19/2002CA2439700A1 Combined filter manifold and shut-off valve for a water purification system
09/19/2002CA2439061A1 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
09/18/2002EP1241521A1 Improved composite material for treating photographic effluents
09/18/2002EP1241140A2 Process for reducing scaling while collecting and drawing off water
09/18/2002EP1240938A1 Reverse osmosis plant
09/18/2002EP1240483A2 Optical radiation sensor system
09/18/2002EP1240391A2 Fluid control systems
09/18/2002EP1240109A1 Methods for treating wastewater sludge
09/18/2002EP1240107A1 Method for recovering fluorinated emulsifiers
09/18/2002EP1240076A1 Desalination system of sea water for ship
09/18/2002EP1239978A2 Microporous diffuser
09/18/2002EP1239943A1 Improved membrane filtration
09/18/2002EP1239933A1 Apparatus and process for purifying a liquid by thermoelectric peltier means
09/18/2002EP1239890A2 Odor neutralizers
09/18/2002EP1239888A2 Radiation source module
09/18/2002EP0958248B1 Process for the preparation of water purification solutions containing ferric iron and the use of the product as of obtained
09/18/2002EP0909447B1 method for producing nickel or cobalt hexacyanoferrates
09/18/2002EP0841852B1 Biguanide composition and method for treating water
09/18/2002CN2511673Y Energy-saving ozone sewage sterilled treating apparatus
09/18/2002CN2511672Y Automatic dissolving and adding device for solid chemicals for water treatment
09/18/2002CN2511671Y Automatic chemicals supplier with ratio of flow
09/18/2002CN1370134A Point-of-use water treatment system
09/18/2002CN1369443A Waste water treatment process and treatment appts.
09/18/2002CN1369440A Process for treating sewage with zeolite filler in aerated biologic filter pool and zeolite filler
09/18/2002CN1369439A Apparatus for processing health-care water with channel and collateral information
09/18/2002CN1369438A Process and apparatus for cyclic use of life sewage
09/18/2002CN1369437A Process for preparing Fe-modified montmorillonite used to remove phosphorus and nitrous-state nitrogen from culturing water
09/18/2002CN1369436A Process for treating alkaline sewage
09/18/2002CN1369203A Disinfecting corrosion inhibitor
09/18/2002CN1091078C Film process and its equipment for reuse of oil refining sewage
09/18/2002CN1091076C Process for treating sewage containing Zn and Cd
09/18/2002CN1091028C Composite particulate material and process for preparing same
09/17/2002US6451612 Storing liquid; mixing with manufactured ozonized mother solution; water treatment in aquaculture; food washing
09/17/2002US6451328 Free radical scavenger for skin; aging resistance; cancer prevention; cosmetics; electropositivity, electronegativity
09/17/2002US6451281 Blending hydrated lime and water to form a mixture, mixing the hydrated lime and water mixture under high shear to form a slurry and storage. adjusting the percent weight solids of the hydrated lime and water slurry to a predetermined weight
09/17/2002US6451212 Monitoring variations in electrical potentials
09/17/2002US6451211 On premise water treatment method for use in a post mix beverage dispenser