Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2001
05/10/2001WO2001032561A1 Process for the purification of industrial waste water from a propylene oxide production process
05/10/2001WO2001032560A2 Filtration device for liquids
05/10/2001WO2001032287A1 Filter for removing fine particles
05/10/2001WO2001032286A1 Filling out-flow preventing filter and absorber attached with it
05/10/2001DE19954680A1 Ship borne water effluent treated by high concentration bio-process for membrane separation and re-use under rapidly changing conditions
05/10/2001DE19953459A1 Waste water treatment combined biological reactor and filter module membrane surfaces self-cleaned by rising low-energy particles
05/10/2001DE19953331A1 Preventing lime deposition on the UV source during irradiation of liquids by addition of carbon dioxide so that eg processes for water sterilisation can be carried out continuously
05/10/2001DE19953285A1 Verfahren zur Rückgewinnung fluorierter Emulgatoren A process for the recovery of fluorinated emulsifiers
05/10/2001DE19952732A1 Reductive dehalogenation of organo-halogen compounds in water, by catalytic reaction with hydrogen using a noble metal catalyst together with a protecting and supporting polymer membrane
05/10/2001DE19950064A1 Filteranlage für Wasser Filter system for water
05/10/2001DE19949154A1 Water treatment apparatus for raising oxygen solubility in high purity drinking water comprises high-pressure pump, closed container, ozone injector, cooler, and supersonic vibrator
05/10/2001CA2427191A1 Improvements in flotation/fractionation systems for treating liquids and in separation of liquids to be treated thereby
05/10/2001CA2387781A1 Method for recovering fluorinated emulsifiers
05/09/2001EP1097908A1 Circuit purification for the papermaking industry
05/09/2001EP1097907A1 A process for the treatment of liquid effluents by means of clean catalytic oxidation, using hydrogen peroxide and heterogeneous catalysis
05/09/2001EP1097906A1 Process for eliminating solid particles, especially silicon and /or aluminium particles, from aqueous effluents
05/09/2001EP1097905A2 Membrane magnetic separating apparatus
05/09/2001EP1097368A1 Detection and removal of copper from wastewater streams from semiconductor and printed circuit board processing
05/09/2001EP1096996A1 Device for absorbing or collecting a liquid
05/09/2001EP1096984A2 Removable filters and water heating vessels incorporating such
05/09/2001EP1096982A1 Process for the treatment of waste water
05/09/2001EP1096958A1 Irradiation of a liquid in a rotating cylinder
05/09/2001CN2429521Y Liquid aeration apparatus with improved disc structure
05/09/2001CN2429520Y Separate sealed water purifier
05/09/2001CN2429519Y Column pressure differential apparatus for desalinating and purifying water from deep well
05/09/2001CN2429518Y Automatic computer controlled water softening apparatus
05/09/2001CN2429517Y Household water treating apparatus
05/09/2001CN2429516Y Floatation purifying apparatus with jet for gas dissolution
05/09/2001CN2429515Y Minerized water purifier
05/09/2001CN1294565A Method and appts. for water sanitisation
05/09/2001CN1294564A Electric desalting appts.
05/09/2001CN1294235A Toilet with chlorine remover
05/09/2001CN1294091A Process and equipment for treating organic waste water and sewage
05/09/2001CN1065656C Wet processing appts. having individual reactivating feedback paths for anode and cathode water
05/09/2001CN1065515C Method for improving bottom and water quality in water areas and a set of agents used in method
05/09/2001CN1065514C Tandem waste stream treatment for removal of nitroaromatics and nitrophenolics compounds
05/09/2001CN1065513C Oxidation of ammonium ions and organic carbon in waste waters
05/08/2001US6228964 Flocculant for dewatering municipal sewage sludge
05/08/2001US6228950 High purity acrylic homo or copolymer for treating blowdown water stream to prevent metal-oxide deposits on steam generator tubes in the secondary side of pressurized nuclear steam generator
05/08/2001US6228333 Device for catalytically dissolving hydrogen peroxide
05/08/2001US6228332 Deactivation of organisms using high-intensity pulsed polychromatic light
05/08/2001US6228273 Useful for controlling rate of a solid chemical dissolution into a liquid which does not rely on varying the flow rate of the liquid across the solid chemical material; dissolving chlorine at consistent levels in small amount of water
05/08/2001US6228272 Method and device for disinfecting pool water in a branched circuit thereof
05/08/2001US6228270 Process for reducing selenium and mercury from aqueous solutions
05/08/2001US6228269 A waste water containing dissolved heavy metals and photoresist polymer, paint waste renders water infiltrable can be detackified and metals simultaneously removed by additon of iron salt and a sulfide material
05/08/2001US6228267 Waste water treatment method and equipment being able to economically treat both a waste water and an exhaust gas respectively containing fluorine and organic matter
05/08/2001US6228266 Water treatment apparatus using plasma reactor and method thereof
05/08/2001US6228264 Introducing sludge containing microorganisms into a treatment tank, introducing waste water containing fluorine into the treatment tank, treating the waste water biologically using microorganisms which accumulates the fluorine of the water
05/08/2001US6228263 Treatment of sulphate- and metal-containing water
05/08/2001US6228259 Oxygenated water cooler
05/08/2001US6228258 Sewage treatment system with chlorinator
05/08/2001US6228255 Portable water treatment facility
05/08/2001US6228251 Electrolytic water producing apparatus and cleaning method for the same
05/08/2001US6228240 Method and apparatus for producing deionized water
05/08/2001US6227463 Water treating device for attachment directly to a hydrant outlet
05/08/2001US6227382 Water filtration apparatus
05/03/2001WO2001031658A2 Method and device for reducing cationic impurities and for dosing lithium in the cooling water of a light-water reactor and a cooling water system of a light-water reactor having such a device
05/03/2001WO2001030997A2 Microbe, microbial exopolysaccharide, and uses thereof
05/03/2001WO2001030996A2 Microbial exopolysaccharide and uses thereof
05/03/2001WO2001030754A2 Micro-cluster liquids and methods of making and using them
05/03/2001WO2001030708A1 Clarification treatment apparatus and method for clarification treatment
05/03/2001WO2001030707A1 Device and method for treating dental waste streams
05/03/2001WO2001030706A1 Improved method and apparatus for water treatment
05/03/2001WO2001030705A1 Sequential disinfectant treatment for waste water
05/03/2001WO2001030704A1 Improved process for water treatment
05/03/2001WO2001030703A1 Improvements in water generating devices
05/03/2001WO2001030496A1 Multicomponent ion exchange resins
05/03/2001WO2001030495A1 Ion exchange resins and methods of making the same
05/03/2001WO2001030473A1 Cyanide detoxification process
05/03/2001WO2001030229A1 Household appliance using water, namely a washing machine, with improved device for softening the water
05/03/2001WO2001030159A1 Bio-supportive matrices, methods of making and using the same
05/03/2001WO2001012559B1 On premise water treatment system and method
05/03/2001US20010000601 The spryaing motion causes bubble formation and the contaminant in water attach themselves to the bubble, and rises to the surface of water, the hollow foam riser attached on the top of water bubble chamber provides exit to the foam
05/03/2001DE19952757A1 Filtereinrichtung für Flüssigkeiten Filter device for liquids
05/03/2001DE19922628C1 Reverse osmosis assembly for treating water has a control system to set the working cycle of inflows and outflows at the buffer vessel so that the concentration of separated matter is not recirculated with the concentrate
05/03/2001CA2388934A1 Micro-cluster liquids and methods of making and using them
05/03/2001CA2388203A1 Microbe, microbial exopolysaccharide, and uses thereof
05/03/2001CA2375774A1 Sequential disinfectant treatment for waste water
05/03/2001CA2356902A1 Device and method for treating dental waste streams
05/02/2001EP1095911A1 Method and device for treating manganese containing water
05/02/2001EP1095910A1 All-in-one water treatment system
05/02/2001EP1095909A1 Active-water producing apparatus
05/02/2001EP1095664A2 Method for disinfecting contact lenses
05/02/2001EP1095004A1 A process for the isolation of aromatic hydroxycarboxylic acids
05/02/2001EP1094988A1 Method for mineralization of organic pollutants in water by catalytic ozonization
05/02/2001EP1094987A1 Stable oxidizing bromine formulations, methods of manufacture thereof and methods of use for microbiofouling control
05/02/2001EP1094986A1 Activated carbon filter, ceramic filter element and water purification system comprising both filters
05/02/2001EP1073610A4 Curb-inlet storm drain systems for filtering trash and hydrocarbons
05/02/2001EP0904253B1 Method for desalinating and demineralising solutions containing acids and/or metal salts
05/02/2001EP0851905B1 Method of manufacturing an absorption substrate
05/02/2001CN2428479Y Integrated up-flowing filter
05/02/2001CN2428478Y Water-purifying apparatus
05/02/2001CN2428477Y Water-activating purifying apparatus
05/02/2001CN2428476Y Powderlike active-carbon negative-pressure feeding device
05/02/2001CN2428475Y Semiconductor refrigerating water tank
05/02/2001CN2428474Y Water-purifying device
05/02/2001CN2428473Y Environment-protection water-saving water machine for travelling
05/02/2001CN2428472Y Sewage treating and rausing device
05/02/2001CN1293643A Method and apparatus for electrocoagulation of liquids
05/02/2001CN1293587A Improvements to solid-liquid separating equipment in particular for biological purification of waste water