Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1997
11/20/1997WO1997043216A1 Method and apparatus for treating and disinfecting water and/or wastewater
11/20/1997WO1997043215A1 Method for sanitizing swimming pools and recirculating water systems
11/20/1997WO1997043026A1 Apparatus and method for manipulating particles in a liquid medium by ultrasonic waves
11/20/1997WO1997043024A1 Liquid chromatography column
11/20/1997WO1997042924A1 Dental unit water purifier
11/20/1997WO1997035808A3 An electro-flocculation process
11/20/1997DE19621142A1 Sludge de-watering using computer-controlled process
11/20/1997DE19610345C1 Catalysts used with peracid(s or hydrogen peroxide to remove dyes from textile effluent
11/20/1997CA2255928A1 Method for sanitizing swimming pools and recirculating water systems
11/20/1997CA2255048A1 Liquid chromatography column
11/20/1997CA2253923A1 Beverage stabilization
11/19/1997EP0807635A1 Water treatment compositions
11/19/1997EP0807607A1 Process for working up spent photographic processing baths
11/19/1997EP0807606A1 Process for working up of photographic baths resulting from colour processing
11/19/1997EP0807605A2 Device for desalinating and treating water
11/19/1997EP0807463A2 Reusable mat for removing liquid contaminants
11/19/1997EP0807457A1 Process for removing selenium from a selenium ion containing liquid
11/19/1997EP0807089A1 Device and process for thickening and conveying waste water sludges
11/19/1997EP0807087A1 Water purifying machine having membrane chamber flushing
11/19/1997EP0757589A4 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/19/1997EP0756581A4 Dewatering of wet particulate material
11/19/1997EP0715605B1 Electrolytic solid metal hydroxide preparation and water purification method and device
11/19/1997EP0690674A4 Halogen compositions for water treatment and method of preparation thereof
11/19/1997EP0689521A4 Compact clarifier system for municipal waste water treatment
11/19/1997CN2268028Y Electric-heating type filtering water purifying machine
11/19/1997CN2268026Y Bath health-care water generater
11/19/1997CN2268025Y Domestic running-water softening device
11/19/1997CN2268024Y Freon recovering-purifying device
11/19/1997CN1165507A Method of regenerating aqueous process fluid from the amine oxide process
11/19/1997CN1165115A Synthetic chalcoalumite compounds and process for producing thereof
11/18/1997US5688588 Water purification device
11/18/1997US5688515 Tablets for disinfecting recirculated water systems
11/18/1997US5688403 Removal of metal ions from solution
11/18/1997US5688401 Apparatus for removing silver from spent photoprocessing solution
11/18/1997US5688399 Means for separation and removal of impurities from liquids
11/18/1997US5688397 Combination bottle cap and filter
11/18/1997US5688393 In electrolytic cell
11/18/1997US5688387 Turbo electrochemical system
11/18/1997US5688385 Apparatus for producing chlorine on-site
11/18/1997US5688378 Oxidation of arsenic in solution in presence of photoabsorber
11/18/1997US5688076 High-vacuum groundwater and soil remediation system and related method and apparatus
11/18/1997US5688074 Oil barrier
11/18/1997CA2050241C Heterocyclic-amine aldehyde reaction products useful for the suppression of hydrogen sulfide
11/18/1997CA2034746C Method of neutralizing hazardous products and composition therefor
11/17/1997CA2204575A1 Reusable mat for removing liquid contaminants
11/15/1997CA2205144A1 Water treatment compositions
11/15/1997CA2176518A1 Sport and recreational water bottle cap possessing a housing apparatus designed to accommodate and operate a replaceable filter insert cartridge
11/13/1997WO1997041961A1 Flotation plant
11/13/1997WO1997041960A1 Drinking water filtration system
11/13/1997WO1997041949A1 Mobile water purification unit with modular dechlorination input stage
11/13/1997DE19619022A1 Small drinking water tank has submerged UV light emitter
11/13/1997DE19618458A1 Active sorbent materials used for water purification
11/13/1997DE19618428A1 Treating water to remove biological pollution
11/13/1997DE19618217A1 Electrochemical treatment has vibrating electrodes
11/13/1997DE19617528A1 Apparatus for controlling addition of flocculent to sludge
11/13/1997DE19617467A1 Apparatus for water disinfection comprises ultra violet emitters in quartz tube
11/12/1997EP0806526A2 Device for the delivery of water
11/12/1997EP0806474A1 Beverage stabilization
11/12/1997EP0806399A1 Process and device for purifying waste water
11/12/1997EP0806398A2 Installation for disinfection of fluids such as water
11/12/1997EP0806237A2 Degassing liquids apparatus and method
11/12/1997EP0805782A1 Method of and apparatus for treating fluids to alter their physical characteristics
11/12/1997EP0805713A1 Process and apparatus for purification of contaminated acids
11/12/1997EP0755363A4 Rejuvenative catalytic oxidation of waste water, particularly for removal of cyanide and sulfur compounds
11/12/1997EP0680604B1 Control of dewatering processes
11/12/1997CN2267244Y Domestic water treatment apparatus by water circulation purification method
11/12/1997CN2267242Y Scal-retardent, slow-corrosion agglutinate aid device
11/12/1997CN2267241Y Automatic control, independent and reverse osmosis water purification equipment
11/12/1997CN2267240Y Ultraviolet rays sterilizer for daily used water
11/12/1997CN2267239Y Water purification machine with hollow fiber
11/12/1997CN2267238Y Grid for removing garbadge from wastewater
11/12/1997CN1164857A Process for recovery and recycle of methanesulfonic acid and phosphorous acid
11/12/1997CN1164811A Electronic driver for water treatment system UV bulb
11/12/1997CN1164546A Absorbent
11/12/1997CN1164514A Technological process for removing SO4(-2) and NH4(+)-N and recovering ammonia from waste water of aginomoto industry
11/12/1997CN1164513A Sewage treatment method for paper-making and textile, printing and dyeing industry
11/12/1997CN1164512A Seal washer for ternery electrode electric tank and said electrode electric tank and water treatment method
11/12/1997CN1164510A Process for preparation of basic polyaluminium chloro sulphates and applications thereof
11/12/1997CN1164343A Process for extracting thallus protein
11/12/1997CN1036387C Method for producing water purifying agent
11/11/1997US5686378 Iron and titanium containing oxidation catalysts, water treatment
11/11/1997US5686297 Enzyme and amine oxide surfactant
11/11/1997US5686231 Process for disposing of developer for pigment-containing non-silver-salt photo sensitive material, apparatus therefor and automatic developing system
11/11/1997US5686051 Ozone water production apparatus
11/11/1997US5685994 Method for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes
11/11/1997US5685986 Adsorbent body including activated carbon and inorganic binder for bonding together activated carbon grains, and method of producing the adsorbent body
11/11/1997US5685981 Water filter
11/11/1997US5685980 Miniaturized handheld desalination field unit
11/11/1997US5685976 Removing hazardous contaminants from water
11/11/1997US5685975 Device for distributing and channeling liquid within a water treatment
11/11/1997CA2082368C Biocidal decylnonyl and decylisononyl dimethylammonium compounds
11/11/1997CA2055328C Combination sterilized hot-water producer and incineration system
11/10/1997CA2203051A1 Degassing liquids: apparatus and method
11/06/1997WO1997041188A1 Absorbent fibrous granules
11/06/1997WO1997041073A1 Ultraviolet light irradiated ebullating mass transfer system
11/06/1997WO1997041072A1 Domestic and autonomous ioniser 'sylva' and variants
11/06/1997WO1997041071A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
11/06/1997WO1997041069A1 Sink-and-float body for purification and purificator
11/06/1997WO1997041068A1 Apparatus and method for treating storm water runoff
11/06/1997WO1997041067A1 Three zone dissolved air flotation clarifier with improved efficiency