C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/1997
10/28/1997	CA2105514C Method of removing water soluble organics from oil process water
10/28/1997	CA2084129C Separation of solids from aqueous suspensions using modified amine functional polymers
10/23/1997	WO1997039165A1 System and method for carrying out sterilization
10/23/1997	WO1997038945A1 Anaerobic treatment process
10/23/1997	WO1997038944A1 Process for the preparation of water purification solutions containing ferric iron and the use of the product as of obtained
10/23/1997	WO1997038943A2 Apparatus and method for oxidizing organic materials
10/23/1997	WO1997038942A1 Electrochemical cell
10/23/1997	WO1997038941A1 Water purification device
10/23/1997	WO1997038815A1 Electrolytic treatment apparatus
10/23/1997	WO1997038582A1 Biocidal composition and method for treating raw materials, products and means of production
10/23/1997	DE19615620A1 A variety of biological and chemical impurities in water are removed
10/23/1997	DE19615417A1 Wash plant, for large heavy vehicles and construction machines
10/23/1997	DE19615102A1 Water purification system producing potable water and suitable for e.g. household use
10/23/1997	CA2251823A1 Biocidal composition and method for treating raw materials, products and means of production
10/23/1997	CA2250133A1 Process for the preparation of water purification solutions containing ferric iron and the use of the product as of obtained
10/23/1997	CA2249295A1 Water purification device
10/22/1997	EP0802360A2 Rotary flow control valve
10/22/1997	EP0802165A1 Method of treating waste water to remove harmful ion by coagulating sedimentation
10/22/1997	EP0802164A1 Process for producing bactericide, apparatus therefor, and bactericide
10/22/1997	EP0802163A1 Water treatment
10/22/1997	EP0802155A1 Method and device for cooling and carbonating of drinking water
10/22/1997	EP0801897A1 Composition and method for preparing that composition, and raw materials, products and production maens
10/22/1997	CN2265370Y Domestic water-purifier with noval cleaning device
10/22/1997	CN2265368Y High-efficiency magnetized inner tube for mineral pot
10/22/1997	CN2265367Y Plate-type fluid magnetizer
10/22/1997	CN2265366Y Circulation purifying water storage device
10/22/1997	CN2265365Y Drinking-water purifying storage device
10/22/1997	CN2265364Y Drinking-water purifying storage device
10/22/1997	CN2265229Y Filter for water treatment
10/22/1997	CN1162664A Method for both pulp producing and papermaking
10/22/1997	CN1162573A Pollutionless water treatment method with high availability of water and continous operation
10/22/1997	CN1162571A Wet oxidizing process
10/22/1997	CN1162570A Water purifier
10/22/1997	CN1162569A Purity indicator of water purifier
10/21/1997	US5680055 Method and apparatus to sense changes in the state of a resin bed
10/21/1997	US5679740 Forming water in oil monomer emulsion, free radical polymerizing monomer to form polymer water in oil emulsion, mixing with an inverting surfactant mixture
10/21/1997	US5679364 Compositions and methods for reducing the amount of contaminants in aquatic and terrestrial environments
10/21/1997	US5679274 Circuit and method for controlling electrical heater in a distiller
10/21/1997	US5679265 Method and device for the separation of a contaminated top layer
10/21/1997	US5679261 Using diallyldimethylammonium chloride cationic polymer having vinyl alkoxysilane component as coagulant
10/21/1997	US5679259 Method for recovering metals from solutions
10/21/1997	US5679257 Industrial waste water treatment
10/21/1997	US5679256 Pumping contaminated water uniformly across top surface of bed of granulated zeolite provided in trench having water barrier lining to filter out radionuclides, removing treated water from bottom of bed
10/21/1997	US5679254 Adding nonionic surfactant to aqueous salt solution to form homogeneous mixture having first cloud point, adjusting temperature to cause phase separation, separating salt-free phase, adjusting temperature again to separate surfactant
10/21/1997	US5679243 Water purifier having a filter replacement indicator including a circuit board and lamps
10/21/1997	US5679239 Process and apparatus for generating bromine
10/21/1997	US5679229 Electrodialysis including filled cell electrodialysis (electrodeionization)
10/21/1997	US5679228 Removing silica from water by increasing ph, passing through diluting compartments of electrodialysis stack containing ion exchange granules, passing direct current through stack, recovering effluent
10/16/1997	WO1997038272A1 Portable/potable water recovery and dispensing apparatus
10/16/1997	WO1997037942A1 Process and device for treatment of water from a biodegradeable process
10/16/1997	WO1997037941A2 Process for the biological purification of waste water
10/16/1997	WO1997037939A1 Self-regulating water purification composition
10/16/1997	WO1997037938A1 Apparatus and processes for non-chemical plasma ion disinfection of water
10/16/1997	WO1997037937A1 Ultrasound device for sterilising liquids
10/16/1997	WO1997037936A1 A photocatalytic reactor for water purification and use thereof
10/16/1997	WO1997037784A1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
10/16/1997	WO1997037757A1 Oil-sorbing article and methods for making and using same
10/16/1997	WO1997037742A1 Extraction of organic compounds from aqueous surfactant-containing solutions
10/16/1997	DE19633574A1 Drinking water supply process and assembly
10/16/1997	DE19630089C1 Process and assembly treats waste water and tensides separately by nano-filtration
10/16/1997	DE19614674A1 Laundry waste water treatment process decants fluid from sludge
10/16/1997	DE19614383A1 Humic aluminium formed in flocculation waste water-treatment stage
10/16/1997	DE19614306A1 Treating highly polluted industrial waste water, especially waste tips water
10/16/1997	DE19614214A1 Verfahren und Vorrichtung zur Aufbereitung von Wasser aus einem biologischen Abbauprozeß Method and apparatus for treatment of water from a biological degradation process
10/16/1997	CA2251004A1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
10/16/1997	CA2248156A1 Oil-sorbing article and methods for making and using same
10/16/1997	CA2224159A1 Process and device for treatment of water from a biodegradeable process
10/15/1997	EP0801032A1 Stabilizers for additives in aqueous systems containing ozone
10/15/1997	EP0801031A1 Device for treating water in a magnetic field
10/15/1997	EP0801029A1 Method for the treatment of impure aluminium oxide
10/15/1997	EP0800853A2 Process and electrolytic cell for purifying gases
10/15/1997	EP0800849A1 Device for separation of dispersive liquid-liquid and liquid-solid systems
10/15/1997	EP0800845A1 Biodegradation of an organic compound and process for upgrading the environment by removing the aforesaid compound
10/15/1997	EP0800622A1 Compressor installation
10/15/1997	EP0800481A2 Process and device for reducing the nitrate content of water
10/15/1997	EP0800407A1 Method and apparatus for treatment of fluids
10/15/1997	CN1162272A Vessel for filtering liquid, especially for water
10/15/1997	CN1161940A Method for treating dinitro-diazo-phenol waste liquid and equipment thereof
10/15/1997	CN1161939A High-effective sewage purifying agent
10/15/1997	CN1161938A Method for comprehensively treating waste liquid from paper-making
10/15/1997	CN1161937A Electric sludge-dewatering and sewage-treating method and apparatus thereof
10/14/1997	US5678242 Contacting aqueous solution of metal ions with one side of porous membrane having organic soluble complexing agent in pores to extract metal ions, contacting other side with aqueous solution of second complexing agent to remove
10/14/1997	US5677340 Method of using gluconic acid or gluconolactone for treating wrinkles
10/14/1997	US5677339 Method of using mandelic acid for treating wrinkles
10/14/1997	US5676846 Oxidation of cyanide with hydrogen peroxide and magnesium compound
10/14/1997	US5676845 Contacting effluent with hydrogen and noble metal catalyst on catalyst support containing inorganic oxide and carbon
10/14/1997	US5676844 Mixture of calcium hypochlorite and borate salt
10/14/1997	US5676839 Floatable oil and debris collection device
10/14/1997	US5676836 Cultivation bed; aquatic plants; microorganisms; decomposition malodorous gas
10/14/1997	US5676824 Water purifier with means for indicating when filter replacement is due and for automatically initiating a membrane washing step
10/14/1997	US5676805 SPA purification system
10/14/1997	US5676802 Apparatus for treating waste water
10/14/1997	US5676800 Distilling apparatus
10/14/1997	US5676760 Method for wet processing of a semiconductor substrate
10/14/1997	CA2022385C Formed organosiloxane-amine copolycondensates, process of producing same and their use (ii)
10/14/1997	CA2001186C Toilet bowl cleaners containing iodophors
10/09/1997	WO1997036829A1 Method for treating acidic waste water
10/09/1997	WO1997036828A1 Appliance for preparation of solid fluids or gaseous materials
10/09/1997	WO1997036827A1 Gasification device
10/09/1997	WO1997036826A1 Method and device for reducing formation of salt deposits in fluid use systems

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