Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/1982
04/20/1982US4325798 Self-energizing water treatment accessory
04/20/1982US4325788 Distillation apparatus with solar tracker
04/13/1982US4324667 Process for purification of waste waters from aromatic amines
04/13/1982US4324666 Precipitation of manganous ferrocyanide by addition of manganese compound
04/13/1982US4324665 Nonexplosive treatment with chlorine
04/13/1982US4324656 Installation for the withdrawal and purification treatment of waters and aqueous effluents
04/13/1982US4324635 Generation of chlorine-chlorine dioxide mixtures
04/13/1982CA1121555A1 Destabilization of sludge with hydrolyzed starch flocculants
04/07/1982EP0049055A1 Apparatus for altering the concentration of a preselected component of a feedstock by filtration or ultrafiltration
04/07/1982EP0048949A1 Method and apparatus for the treatment of waste water for analytic techniques
04/06/1982US4323810 Irradiation apparatus including a low-pressure mercury lamp with fluid medium duct means
04/06/1982US4323462 Process for purifying water containing fluoride ion
04/06/1982US4323461 Process of inhibiting scale formation in aqueous systems using di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
04/06/1982US4323460 Process of inhibiting scale formation in aqueous systems using α-1,4-thiazine alkanephosphonic acids
04/06/1982US4323459 Process of inhibiting scale formation in aqueous systems using quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
04/06/1982US4323458 Process for removing heavy-metal ions from aqueous solution
04/06/1982US4323455 Comprising two different types of cells in an alternating arrangement
04/06/1982US4323450 Apparatus for separating a solid or viscous liquid component from a mixture
04/06/1982US4323430 Process for separating ammonia and acid gases from streams containing fixed ammonia salts
04/06/1982US4323052 Solar energy system
04/06/1982CA1121527A1 Process for chrome recovery from industrial waste and the like, including pollution control of the same
04/06/1982CA1121307A1 Method and apparatus for extracting polar substances from solution
03/1982
03/31/1982EP0048664A1 Process for the treatment of a liquid resulting in solid wastes by the action of a fluid and at least one gas phase
03/31/1982EP0048603A1 Mixing and reaction chamber for liquid decontamination
03/31/1982EP0048596A1 Apparatus for removing salts and foreign matter from liquids (water)
03/31/1982EP0048448A1 Apparatus for purifying industrial waste water and the like
03/31/1982EP0048339A1 Process for avoiding penetration or sticking of crude oil or oil-bearing hydrocarbons on earth, sand or objects
03/31/1982EP0048286A1 Process of preparing homogeneous resin-polyiodide disinfectants
03/31/1982EP0048257A1 Procedure for impriving the ecological state of a thermally and/or chemically stratified water basin
03/30/1982US4322291 Water-dispensers
03/30/1982US4321938 Dosing device
03/30/1982US4321802 Ice and water-making refrigeration apparatus
03/30/1982CA1120890A1 Converting oxygen to ozone by radiation from ionized deuterium gas
03/24/1982EP0047925A1 Method and apparatus for treating water by means of ozone
03/24/1982EP0047773A1 Magnetic water conditioner apparatus
03/23/1982US4321235 Process for the treatment of alkaline liquors containing sulfate ions
03/23/1982US4321149 Process for removing multivalent metals from waste effluents
03/23/1982US4321144 Process for producing fully desalted process water
03/23/1982US4321143 Sewage treatment
03/23/1982US4321137 Apparatus for processing liquids such as water and the like by reverse osmosis
03/23/1982US4321125 Apparatus for electrochemical purification of contaminated liquids
03/23/1982CA1120647A1 Flocs for filtration and deionization prepared from cationic and anionic emulsion ion exchange resins
03/23/1982CA1120618A1 Bio-surface separation process
03/23/1982CA1120426A1 Electrolytic treater
03/23/1982CA1120424A1 Producing foam with vertical, closely spaced pair of electrodes
03/23/1982CA1120408A1 Apparatus for clarifying waste water
03/23/1982CA1120237A1 Process and apparatus for contacting substances which occur in the form of at least two different phases
03/18/1982WO1982000817A1 Wastewater treatment process
03/18/1982WO1982000775A1 Fluid treatment apparatus
03/17/1982EP0047716A2 Process for bleaching textiles and for combating microorganisms
03/17/1982EP0047595A1 Electrochemical cell
03/17/1982EP0007366B1 A method and an agent for chemical purification of water by means of chemical precipitation and magnetic sludge separation
03/16/1982US4320085 Method of inhibiting and eliminating chlorophyceae in water in tank
03/16/1982US4320012 Neutralization of phosphoric acid waste waters
03/16/1982US4320011 Oil-containing waste water treating material consisting of modified active carbon
03/16/1982US4320004 Anti-rust water treatment apparatus
03/16/1982US4320003 Bypass water conditioner
03/16/1982US4319979 Electrical process resembling evaporation
03/16/1982US4319973 Hydrogen peroxide electrolysis
03/16/1982US4319968 Electrolytically decomposing method for iron-cyanide complex
03/16/1982US4319965 Barometric distillation system
03/16/1982US4319964 Apparatus for high volume distillation of liquids
03/16/1982CA1120001A1 Treatment of cyanide
03/16/1982CA1119970A1 Water purification process and system
03/16/1982CA1119948A1 Apparatus and process for dissolution of gases in liquid
03/16/1982CA1119782A1 Wet oxidation of waste liquor
03/16/1982CA1119767A1 Process and apparatus for purifying liquid media
03/16/1982CA1119766A1 Water treatment apparatus
03/10/1982EP0047044A1 Method of decolorizing sewage
03/09/1982US4319020 Polyquaternary flocculants
03/09/1982US4319013 Powdered cationic polyelectrolytes, based on acrylamide and quaternized or salified dimethyl-aminoethyl acrylate, process for producing them
03/09/1982US4318891 Automatic toilet bowl cleaner
03/09/1982US4318883 Process for combating micro-organisms, and novel phthalocyanine compounds
03/09/1982US4318789 Electrochemical removal of heavy metals such as chromium from dilute wastewater streams using flow through porous electrodes
03/09/1982US4318788 From chromium-iron hydroxide sludge
03/09/1982US4318781 Desalinazation apparatus
03/09/1982US4318780 Multi-stage flash evaporator design
03/03/1982EP0046603A1 An apparatus for producing chlorine by electrolysis
03/03/1982EP0046459A1 Method for reducing the formation of trihalomethanes in drinking water
03/02/1982US4317813 Disinfection
03/02/1982US4317802 Process for separating molybdenum and/or other metals contained in residual organic effluents
03/02/1982US4317733 Water purification equipment
03/02/1982US4317722 Waste solvent recovery apparatus
03/02/1982US4317721 Water cleaner
03/02/1982CA1119324A1 Water softening system
03/02/1982CA1119103A1 Device and process for removing pyrogens from aqueous solutions
02/1982
02/24/1982EP0046390A2 Method of concentrating aqueous solutions by extraction of water with a polar organic liquid
02/24/1982EP0046276A1 Purification apparatus for waste water
02/24/1982EP0046155A1 Process and apparatus for slime and sludge dewatering
02/23/1982US4317041 Multichamber photoreactor
02/23/1982US4316938 High density carbon adsorbent composite
02/23/1982US4316806 Method and demulsifier composition
02/23/1982US4316787 High voltage electrolytic cell
02/23/1982US4316774 Thermoelectric integrated membrane evaporation system
02/23/1982US4316725 Method and apparatus for deaerating liquid
02/23/1982CA1118918A1 Method and apparatus for treating water
02/23/1982CA1118744A1 Process for cleaning surfaces polluted by hydrocarbons, greases, oils and like substances; compositions for cleaning said surfaces
02/23/1982CA1118713A1 Selective multiple electrode waste water treating system
02/18/1982WO1982000459A1 Method and device for purifying waste water
02/17/1982EP0046070A2 A separator
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