Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/1992
09/08/1992CA1307203C Microbicidal/microbistatic composition for industrial use
09/08/1992CA1307202C Microbicidal/microbistatic composition
09/03/1992WO1992014681A1 Device for treating a liquid, in particular water
09/03/1992WO1992014534A1 Water purification device
09/03/1992WO1992014533A1 Water remediation
09/03/1992WO1992014531A1 Distillation
09/03/1992DE4106138A1 Treating water contg. particles of concrete - by pumping water collecting tank via flocculant dosing point into settling tank having overflow weir and conical floor with outlet valve
09/02/1992WO1992015539A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances
09/02/1992EP0501708A1 Method for the combined removal and destruction of nitrate ions
09/02/1992EP0501229A1 Photographic processing method
09/02/1992EP0501113A1 Membraneless chlorine gas generating apparatus
09/02/1992EP0500712A1 Combatting slime-forming microorganisms
09/02/1992EP0500657A1 A method of removing heavy metals form soil, sludge, compost and similar materials
09/02/1992EP0500592A1 Low effluent replenishment system for colour negative developers.
09/02/1992EP0500559A1 Method of processing used paper in the presence of hydroxysulphonate salts
09/02/1992EP0324804B1 Water purification system
09/02/1992EP0192718B1 Process and device for the production of ozone
09/02/1992CN2114659U Ozone steriliser for drinking mineral water
09/02/1992CN2114658U Oxidation reacting tower for water treatment
09/02/1992CN2114657U Wave plate labyrinth automatic water purifier
09/02/1992CN2114656U Multi-purpose float magnetizer
09/02/1992CN2114655U Lolunz effect sea water dosalination system
09/02/1992CN2114654U Water cod treatment filter for oil and gas field
09/02/1992CN2114451U Steam magnetization device
09/02/1992CN2114366U Health pot
09/02/1992CN2114364U Magnetization food & drink device
09/02/1992CA2081307A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances
09/01/1992USRE34050 Filtering system
09/01/1992US5144146 Method for destruction of toxic substances with ultraviolet radiation
09/01/1992US5143625 Method and apparatus for clarifying liquid using a pulsating sludge bed and part of concentrated sludge
09/01/1992US5143624 Adding poly(diallylamine) and poly(methylolacrylamide) to water used to form curtain
09/01/1992US5143623 Precipitation
09/01/1992US5143611 Apparatus for separating oil from water
09/01/1992US5143607 Arrangement for driving out volatile impurities from ground water
09/01/1992US5143481 Method of treating municipal sewage sludge and product produced thereby
09/01/1992CA1307059C Method of treating waste water and equipment therefor
08/1992
08/27/1992DE4106430A1 Improving quality of water e.g. tap water - by isopathic potentiation, for use in agriculture, forestry, swimming pools
08/27/1992DE4105987A1 In-situ treatment of contaminated ground water - by forming slit shaped zones free from solids and treating water flowing through zones
08/27/1992DE4105600A1 Freeing waste water or waste air from aromatic cpd. carrying functional gp. - by contact with synthetic carrying carboxamide gp. with high specific surface
08/27/1992CA2061464A1 Laundry wash water treatment and wash process
08/27/1992CA2037083A1 Device and process for cleaning waste water
08/27/1992CA2037061A1 Water treatment apparatus and method
08/26/1992WO1992014544A1 Ionotropic gel lacking a gelling ionic entity, process for the preparation of such a gel and use thereof especially in a process for producing a sparkling wine
08/26/1992EP0500266A2 A method of and composition for retarding corrosion of metal surfaces in contact with boiler water systems
08/26/1992EP0499928A1 Process for removal of copper ions from aqueous effluent
08/26/1992EP0499732A1 Dual system using three electrodes to treat fluid
08/26/1992CN2113976U Stirring device for treatment of acid waste water
08/26/1992CN2113975U Energy-saving magnetotherapy water purifier
08/26/1992CN2113687U Convenient tea infuser
08/26/1992CN1017987B Method for treatment of phenolic and aldehyde-contg. wastewater
08/26/1992CN1017986B Process for preparation of inorganic coagulant
08/26/1992CA2081314A1 Ionotropic gel lacking a gelling ionic entity, process for the preparation of such a gel and use thereof especially in a process for producing a sparkling wine
08/26/1992CA2061723A1 Method for the combined removal and destruction of nitrate ions
08/26/1992CA2036979A1 Solar distiller
08/25/1992US5142002 Compositions for germ removal from water
08/25/1992US5141754 Zebra mussel control chemical
08/25/1992US5141653 Apparatus and method for treating a fluid
08/25/1992US5141652 Biocidal solution of bromine chloride, water ans halogen containing stabilizer
08/25/1992US5141647 Control of odor and septicity of sewage
08/25/1992US5141646 Process for sludge and/or organic waste reduction
08/25/1992US5141636 Purification system
08/25/1992US5141531 Hydrating anhydrous salt; dehydrating pure water
08/25/1992CA1306662C Biocide
08/25/1992CA1306661C All-in-one boiler water treatment composition
08/25/1992CA1306654C Low-foaming compositions
08/23/1992WO1992014677A1 Method and apparatus for producing ozone by corona discharge
08/23/1992CA2081014A1 Method and apparatus for producing ozone by corona discharge
08/22/1992CA2053814A1 Method of retarding corrosion of metal surfaces in contact with boiler water systems which corrosion is caused by dissolved oxygen
08/22/1992CA2046971A1 System for treating waste organic solvent and thin membrane distillation apparatus incorporated therein
08/21/1992CA2041205A1 Dual system using three electrodes to treat fluid
08/20/1992WO1992013807A1 Composition and methods for removing or preventing biofilm
08/20/1992WO1992013805A1 Catalytic oxidation of aqueous organic contaminants
08/20/1992WO1992013797A1 Trichloroisocyanuric acid compositions which rapidly disintegrate
08/20/1992WO1992013644A1 Method and device for water-soluble paint overspray recycling
08/20/1992WO1992013623A1 Portable air-water generator
08/20/1992DE4201362A1 Treating abattoir waste water to reduce COD - by adding sodium bentonite, polyvalent metal flocculating agent and flocculation auxiliary, e.g. acrylamide-acrylate] copolymer
08/20/1992DE4105036A1 Treatment of effluent water contg. cement or concrete solids - by incorporating an antisticking agent for the cement, removing coarse solids and pumping the water contg. the fine solids to a filter unit
08/20/1992DE4104756A1 Purificn. of water contg. chlorinated or halogenated hydrocarbon(s) - comprises extn. of hydrocarbon(s) by bubbling air through water and air is then purified using a biological treatment procedure
08/19/1992EP0499358A1 Water treatment agent and process
08/19/1992EP0499356A1 A low profile water distiller
08/19/1992EP0499351A1 Method for treating a solution used for the regeneration of a denitration catalyst
08/19/1992EP0499187A1 Valve assembly for a dental evacuation system
08/19/1992EP0498913A1 Household water filter
08/19/1992EP0483157A4 Removal of contaminants
08/19/1992EP0375683B1 Method and apparatus for cleaning freight containers as well as for treating and circulating the fluids used
08/19/1992CN2113585U Multifunctional magnetic thermostat
08/19/1992CN2113270U Sterilization disinfection purifier
08/19/1992CN2113269U Combined water purifier
08/19/1992CN2113101U Drinking purifier
08/19/1992CN2113020U Magnetization vacuum bottle
08/19/1992CN1063666A Volatile toxic sewage processing method by negative pressure and waste heat
08/19/1992CN1017875B Metallic ion adsorbent and method for adsorbing metallic ion with it
08/18/1992USRE34031 Easily inserted disposable filters
08/18/1992US5139945 Thermostable alginate lyase from bacillus steraothermophilus
08/18/1992US5139682 Absorption of impurities onto zeolites, then incubation of zeolites in bacterial cultures for biodegradation of impurities
08/18/1992US5139679 Exposing a mixture containign hydrogen peroxide, a ferrous ion catalyst and waste water to ultraviolet radiation to decompose citric acid and triethanolamine
08/18/1992US5139676 Bacteriostatic water and method for producing the same
08/18/1992US5139675 Dialyzer reprocessing device wherein cleaning fluids are pretreated by injecting electromagnetic radiation having a preselectted frequency through a non-electrically insulated conductor
08/18/1992US5139666 Bottle and filter
08/18/1992US5139663 Discharge valve for dissolved air flotation