Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/2002
08/22/2002US20020113021 Fluid treatment system and radiation sources module for use therein
08/22/2002US20020113019 Method for removing toxic substances in water
08/22/2002US20020113017 Decontaminating sludge by insertion with injector pipes fluidically connected to a source of remedial water, and moving electrochemically activated water through the injectors to the sludge
08/22/2002US20020113014 Apparatus and methods for separating liquids from solids
08/22/2002US20020113012 An aerobic process to reduce unpleasant odors and toxicity is promoted by decreasing the amount of oxygen; including screening to remove a firt portion of solids and clarifying to remove a second; animal and human waste; fertilizers
08/22/2002US20020112949 Modular clear roof and dark basin solar still
08/22/2002CA2476297A1 Dental mercury abatement system
08/22/2002CA2445652A1 Buoyant electrolysis device for treating a reservoir of water
08/21/2002EP1233302A1 Method of recycling wash-water resulting from film treatment
08/21/2002EP1233004A1 Desalting aqueous streams via filled cell electrodialysis
08/21/2002EP1232997A1 Method of treating an acid treatment solution, device for treating the solution, and method of fabricating a support for a planographic printing plate
08/21/2002EP1232784A1 Device for diffusing a gas in a liquid using a blade turbine
08/21/2002EP1232779A1 Separator device
08/21/2002EP1232123A1 A biofuel cell using wastewater and active sludge for wastewater treatment
08/21/2002EP1232122A1 Method and device for purifying aqueous effluents by catalytic oxidation
08/21/2002EP1232121A1 Method of reducing harmful organisms in currents of water
08/21/2002EP1232120A1 Device suitable for treating liquids, in particular contaminated water
08/21/2002EP1232119A2 Method and device for the treatment of fluids
08/21/2002EP1232009A2 Immobilized ion exchange materials and processes for making the same
08/21/2002EP0973593A4 Systems for ameliorating aqueous hydrocarbon spills
08/21/2002EP0876198B1 Method and device for removing iron from aqueous liquids
08/21/2002CN2506632Y Pressure type water purifier
08/21/2002CN2506631Y Magnetic energy activating treating unit for liquid state material
08/21/2002CN2506630Y Flow way device for sewage treating system
08/21/2002CN2506629Y Fully automatic high oxidation electric potential sterilized water generator
08/21/2002CN2506628Y Arsenicum remover for drinking water
08/21/2002CN2506627Y All plastics automatic sewage treating machine
08/21/2002CN2506626Y Moveable sewage treatment apparatus
08/21/2002CN2506625Y Water softening apparatus
08/21/2002CN2506624Y Solar energy sea water desalinating equipment
08/21/2002CN2506623Y Evaporation trough improved structure for water distiller
08/21/2002CN1365530A Ozone generating apparatus
08/21/2002CN1365342A Method and apparatus for electrolytic disinfection of water
08/21/2002CN1089371C Normal temperature sponge iron deioxidizing agent production method
08/21/2002CN1089318C Ozone disinfecting drinking water system for use in building and its control method
08/21/2002CN1089316C Seawater desalination method and apparatus thereof
08/21/2002CN1089315C Method of purifying waste water
08/20/2002US6437021 Biocide material and method of preparation of said material
08/20/2002US6436711 Fluorometric control of aromatic oxygen scavengers in a boiler system
08/20/2002US6436698 Apparatus for automatic measuring of water toxicity
08/20/2002US6436299 Generation of electromagnetic radiation using electrical signals from controllers, which monitors emitters and filters using radio frequency
08/20/2002US6436297 Acid neutralization between basic neutralization step and decantation step, wherein acid neutralization step is performed until reaching neutral or very slightly acid ph of between 5.5 and 7
08/20/2002US6436296 Waste water treatment method and apparatus
08/20/2002US6436295 Protein skimmer
08/20/2002US6436294 Water treatment with solution containing citric acid, sodium hydroxide, and sodium azide; said solution capable of forming a complex with metal ions (sodium, potassium, and/or magnesium) for pollution control
08/20/2002US6436290 Hollow hydrophobic fibers used for recovering oils from water and soils; fuel leakages; pollution control
08/20/2002US6436289 Vertical membrane storage system and method of storing liquids using the same
08/20/2002US6436285 Laminated microporous diffuser
08/20/2002US6436283 Portable rainwater collecting and purifying system
08/20/2002US6436282 Flow control module for RO water treatment system
08/20/2002US6436281 Apparatus for treating wastewater from a chemical-mechanical polishing process used in chip fabrication
08/20/2002US6436275 Electrolysis of alkali nitrates to yield nitrites which react with amides such as urea, sulfamic acid, formamide, and acetamide to generate nitrogen; pollution control
08/20/2002US6436264 Apparatus for electrically producing deionized water
08/20/2002US6436261 Two deionizers in series; adding electrolyte such as sodium hydroxide prior to second deionization; efficient removal of silica and boron components; high resistivity; ultrapure water; semiconductors
08/20/2002US6436244 Steam distilling to remove volatile impurities; debonding pure perfluoro alkyl carboxylate or sulfonate from anion exchange resin as free acid, alkali metal salt or ammonium salt in water and organic solvent
08/20/2002US6436242 Device and method for distilling water
08/20/2002CA2241297C Apparatus for the filtering and separation of flow media with at least one permeate outlet
08/20/2002CA2003681C Transition metals as treatment chemical tracers
08/15/2002WO2002063287A2 Method and system to remotely monitor a carbon adsorption process
08/15/2002WO2002063165A1 Wind energy installation comprising a seawater or brackish water desalination plant
08/15/2002WO2002062711A1 Free atom aqueous solution producing apparatus, free-atom aqueous solution producing method, and free-atom aqueous solution
08/15/2002WO2002062710A1 Filter equipment and process for the treatment of waste water containing inorganic, organic pollution and/or pathogens
08/15/2002WO2002062709A1 Electrochemical oxidation of matter
08/15/2002WO2002062708A1 Method and device for production of distilled fluid and exergy
08/15/2002WO2002062707A1 Device for treatment and cleansing of liquids
08/15/2002WO2002062706A2 High output ozonating apparatus
08/15/2002WO2002062472A1 Method for producing gel-type cation exchangers
08/15/2002WO2002062448A2 Filter apparatus using alternate types of replaceable filter elements
08/15/2002WO2002062143A1 Use of carbonate anion in fecal pathogen treatments
08/15/2002WO2002062141A1 Microbiological control in aqueous systems
08/15/2002WO2002044091A3 A method for the purification of water by means of filtration using a micro or ultra filtration membrane
08/15/2002WO2002028783A3 In situ immobilization of metals within density variant bodies of water
08/15/2002WO2002022712A3 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof
08/15/2002WO2001085813A3 Antimicrobial, aminofunctionalised copolymers
08/15/2002WO2001037961A3 Method for continuous processing of fluids using supercritical fluids and microwave energy
08/15/2002US20020111706 Method and system for servicing and maintaining thermal equipment, water treatment equipment and the like
08/15/2002US20020110924 Device for use in detecting impurities in water
08/15/2002US20020110918 Fluorometric control of aromatic oxygen scavengers in a boiler system
08/15/2002US20020110603 For use in disinfecting a surface; for sanitizing a body of water
08/15/2002US20020110509 Treating soils and ground water with aqueous solution containing peroxide and a water-soluble chelating agent; reacting chelate compound with the peroxide to catalytically form oxidizing agent; oxidizing contaminant
08/15/2002US20020110508 Oxidation process of the wet oxidation or ozonization type
08/15/2002US20020109247 Apparatus for aerating water
08/15/2002US20020109159 Method for producing water for use in manufacturing semiconductors
08/15/2002US20020108913 Timing of spa water treatment
08/15/2002US20020108912 Oxidizing waste water including phenolic materials using ozone to produce oxalic acid; reacting oxalic Acid with ammonia and ammonium chloride to form ammonium oxalate, then reacting it with calcium salt to form calcium oxalate
08/15/2002US20020108910 Determination of multi-valent metal contamination and system for removal of multi-valent metal contaminants from water
08/15/2002US20020108909 A self-regenerating water softener, wherein an ion exchange resin, after being depleted through use in water softening, is automatically regenerated by simple act by user of turning water on for purpose of use and turning off after use
08/15/2002US20020108906 Multi-stage filtration and softening module and reduced scaling operation
08/15/2002US20020108903 Keratin protein adsorption of heavy metals
08/15/2002US20020108902 Separator device
08/15/2002US20020108901 Method and apparatus for manufacture of static filtration media
08/15/2002US20020108900 Water treatment apparatus
08/15/2002US20020108895 Laminated microporous diffuser
08/15/2002US20020108865 Apparatus and method for venting hydrogen from an electrolytic cell
08/15/2002US20020108846 Photocatalytic degradation of organic compounds
08/15/2002US20020108730 Use of strobilurins to control mildew and fungi in aqueous systems such in papermaking machines, wet-lap, and heat exchange systems; paper products with antifungal agents
08/15/2002US20020108640 Process for cleaning a surface
08/15/2002CA2438573A1 Microbiological control in aqueous systems
08/15/2002CA2370610A1 Separator device
08/14/2002EP1231384A1 Improved pumping system