Patents
Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933)
08/1979
08/21/1979CA1060634A1 Method for purifying industrial exhaust gases
08/21/1979CA1060633A1 Process for regenerating absorbing solution used for exhaust gas purification
08/21/1979CA1060623A1 Contact packing
08/21/1979CA1060605A1 Regenerated cellulose softener recovery method and apparatus
08/14/1979US4164556 Reduction with methanol
08/14/1979US4164555 Pollution control system and method for the removal of sulfur oxides
08/14/1979US4164554 Method for converting calcium sulfoxy compounds into calcium carbonate compounds
08/14/1979US4164549 Lime scrubbing process for sulfur dioxide removal from gases
08/14/1979US4164548 Process for removing SO2 from gases
08/14/1979US4164547 Sulfur dioxide reactant scrubber and fly ash, computer monitoring, ph control, circulation
08/14/1979US4164546 Contacting mixture of nitrogen oxide sulfur dioxide and oxygen with ammonia under oxidizing conditions, copper or vanadium oxide catalyst, contacting catalyst with reducing gas
08/14/1979US4164545 Use of manganese dioxide absorbent in treating waste gases
08/14/1979US4164544 Using sintered manganese oxide-aluminum oxide pellets, regeneration of desulfurization agent by heating in oxidizing gas
08/14/1979US4164543 Process for regenerating brines containing sodium sulfites and sulfates
08/14/1979CA1060431A1 Liquid distributor for thin-film, tube-bundle apparatus
08/14/1979CA1060337A1 Tower packing saddle
08/14/1979CA1060184A1 Method for reducing molybdenum trioxide content of cases issuing from reactors containing molybdenum-based catalysts
08/14/1979CA1060183A1 Process for treating gases containing sulphur compounds
08/14/1979CA1060182A1 Method for removal of gaseous sulfur and nitrogen compounds from gas streams
08/14/1979CA1060166A1 Shaping and heat treating compositions of decomposable aluminium compounds
08/09/1979WO1979000516A1 Soluble compound of vanadium
08/07/1979US4163776 Multistage removal of sulfur oxides
08/07/1979US4163648 Process for separation of ammonia and carbon dioxide
08/07/1979US4163373 Device for extracting moisture from a space
08/07/1979CA1059976A1 Exhaust gas reduction and catalysts and method of making same
08/07/1979CA1059927A1 Gas purification method and apparatus
08/07/1979CA1059765A1 Process for purifying gases produced by gasification of solid or liquid fossile fuels, by treatment with water vapor and oxygen under superatmospheric pressure
08/07/1979CA1059736A1 Method of producing fibre-containing building members
08/07/1979CA1059731A1 Method for the operation of a plant in which sulphur oxides are accepted in combination with a plant for the conversion of sulphur dioxide
07/1979
07/31/1979US4163044 Absorbing with an alkali metal hydroxide, treatment with hydrogen peroxide to produce environmentally harmless reaction products
07/31/1979US4163043 Treatment with ammonia and alkali metal hydroxide to form sulfides and carbonates, reaction with copper oxide to form copper sulfide, roasting
07/31/1979US4162986 Transitional metal compounds reacted with organic carboxylic and sulfonic acids, oxidation
07/31/1979US4162934 Method of producing sorption bodies
07/31/1979US4162903 Washing, stripping
07/31/1979US4162901 Vortex gas separator
07/31/1979CA1059663A1 Metal cyanide complex compound disposal
07/31/1979CA1059429A1 Gas-liquid scrubber with resilient flexible grids
07/25/1979EP0003207A1 Processes and apparatuses for drying pulverulent metallic waste such as sludge and chips
07/25/1979EP0003022A1 Multi-chamber adsorbent gas fractionator with non-jamming shuttle valve
07/24/1979US4162299 Scrubbing with an aqueous solution of an aluminate and aluminum sulfate or alum
07/24/1979US4162298 Method of immobilizing carbon dioxide from gas streams
07/24/1979US4162289 Filter unit for avoiding environmental pollution in cemeteries
07/24/1979US4162235 Redox catalysts of platinum group metals
07/24/1979US4162207 Process for the conversion of sulfur dioxide
07/24/1979US4162150 Apparatus for separating water and steam in a nuclear steam generator
07/24/1979US4162146 Multi-chamber adsorbent gas fractionator with non-jamming effluent flow control valve
07/24/1979CA1059159A1 Anisotropic cordierite monolith
07/24/1979CA1059040A1 Oxygen enriched air
07/24/1979CA1059039A1 Flow reversing regenerative air dryer
07/24/1979CA1058830A1 Removal of nitrogen oxides in form of ammonium sulfate from nitrogen oxides-containing gas
07/24/1979CA1058829A1 Removal of nitrogen oxides from gas containing same by conversion to harmless nitrogen
07/17/1979US4161426 Absorbents
07/17/1979CA1058605A2 Catalysts, apparatus, and process using same
07/17/1979CA1058383A1 Endothermal carbon dioxide absorption
07/11/1979EP0003003A1 System and method for dispensing volatile airtreating agents
07/11/1979EP0002880A2 Regeneration of an absorbent liquid
07/11/1979EP0002791A1 Conversion of hydrocarbons and carbon monoxide in exhaust gas streams
07/10/1979US4160810 Removal of acid gases from hot gas mixtures
07/10/1979US4160805 Boiler containing denitrator
07/10/1979US4160744 Coating iron hydroxides or oxides with aluminum sulfate
07/10/1979US4160651 Methods of treating a gaseous mixture of adsorption
07/10/1979CA1058143A1 Activation of water soluble amines by halogens for trapping radioiodine from air streams
07/10/1979CA1057950A1 Continuous air drying in alternate dessicating towers
07/10/1979CA1057935A1 Process for the production of sulfur from mixtures of hydrogen sulfide and fixed nitrogen compounds
07/03/1979US4160059 Adsorptive nonwoven fabric comprising fused fibers, non-fused fibers and absorptive material and method of making same
07/03/1979US4160013 Process for the oxidation of nitric oxide to nitrogen dioxide
07/03/1979US4160009 Boiler apparatus containing denitrator
07/03/1979CA1057736A1 Method and apparatus for performing reactions in a substantially horizontal elongated tubular reactor allowing substantially plug-flow of fluids therethrough
07/03/1979CA1057728A1 Spill control composition and use thereof
06/1979
06/27/1979EP0002636A1 Process for fixing iodine and its industrial preparation
06/27/1979EP0002568A1 Mass transfer apparatus and its use
06/26/1979US4159310 Process for recovering aluminum and other metal values from fly ash
06/26/1979CA1057229A1 Reclamation apparatus
06/26/1979CA1057029A1 Method and apparatus for purifying blister furnace effluent
06/26/1979CA1057028A2 Process for producing sulfur from sulfur dioxide
06/26/1979CA1057026A1 Reduction of aqueous thiosulfate solutions
06/19/1979US4158702 Gas cleansing means
06/19/1979US4158643 Catalytic carbon for oxidation of carbon monoxide in the presence of sulfur dioxide
06/19/1979CA1056797A1 Catalyst for purification of waste streams
06/19/1979CA1056715A1 Grids for fluid contact apparatus
06/19/1979CA1056578A1 Method and apparatus for removing pollutants from a gaseous mixture
06/13/1979EP0002422A1 Filtration device
06/13/1979EP0002325A1 A compressed air dehumidifier
06/13/1979EP0002235A1 Vertical separator for a mixture of vapour and liquid
06/12/1979US4158045 Scrubbing with hexamethylenetetramine, ammonium hydroxide and ammonia
06/12/1979US4158044 Reacting nitric oxide with a ferrous chelate complex to form a nitrosyl ligand
06/12/1979US4157988 Method and composition for removing sulfur dioxide from flue gases
06/12/1979CA1056127A1 Removal of sulfur compounds from gas streams
06/09/1979WO1979000642A1 A device preferably for driers for compressed air
06/05/1979US4157380 Recovery of hydrogen chloride and chlorine from chlorine-containing organic wastes
06/05/1979US4157376 Anion-exchange polymer fibers, regenerated with water
06/05/1979US4157375 In situ zeolitic catalyst
06/05/1979US4157374 Disposal of waste gases from production of aluminum chloride
06/05/1979US4157316 Catalytic exhaust systems, oxidation and reduction, alumina, platinum, metal oxide
06/05/1979US4157315 Silica and nickel, chromium, copper or alloy
06/05/1979US4157248 Method for treating gaseous nuclides and gas system for ventilating tanks containing radioactive liquid
06/05/1979US4157247 Corrosion control process
06/05/1979CA1055920A1 Supported cobalt sulfate desulfurization catalyst
06/05/1979CA1055858A1 Discharge apparatus for filter assembly for radioactive contaminants
06/05/1979CA1055856A1 Separation of gases