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)
07/1981
07/08/1981EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them
07/07/1981US4277458 Catalyst of vanadium and silver oxides
07/07/1981US4277453 Waste gas purification reactor and method
07/07/1981US4277452 Carbon monoxide absorbing liquid
07/07/1981US4277451 Wet process for the desulfurization of exhaust gas
07/07/1981US4277450 Removal of sulfur dioxide from gas
07/07/1981US4277442 Catalytic exhaust cleaner
07/07/1981US4277376 Process for the manufacture of a monolithic support for catalysts suitable for use in controlling carbon monoxide emissions
07/07/1981US4277374 For automobile catalytic exhaust systems
07/01/1981EP0031209A1 Purification of hydrogen
07/01/1981EP0031006A1 A multiple vessel cascade gas enrichment adsorber
06/1981
06/30/1981US4276327 Process for depositing alumina onto a substrate and alumina regeneration
06/30/1981US4276272 Preconditioning by hydration of anhydrous product followed by drying
06/30/1981US4276271 Process for the removal of hydrogen sulfide from gas mixtures
06/30/1981US4276249 Processes for sealing hollow fiber membranes arranged in the form of a bundle
06/30/1981US4276244 Tower or column
06/30/1981US4276242 Vapor-liquid contact grid apparatus
06/30/1981US4276224 Anthraquinone sulphonamide compounds and preparation
06/30/1981US4276203 Enhanced surface area and secure adhesion to support
06/30/1981US4276187 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same
06/30/1981US4276125 Rectification, hydrogen cyanide
06/30/1981US4276068 For separating isotope or gas mixtures
06/30/1981US4276063 Formation of carbon or silicon carbide, chlorinated hydrocarbons
06/30/1981US4276058 Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures
06/30/1981US4276057 Methane, propane
06/30/1981CA1104112A1 Method of preparing activated graphite and catalysts based thereon
06/30/1981CA1104111A1 Catalyst supports
06/30/1981CA1104086A1 Shutdown of co-combustion devices
06/30/1981CA1104068A1 Pressure buildup technique in pressure swing adsorption process
06/30/1981CA1104067A1 Method for separating gases
06/30/1981CA1103902A1 Recovery of hydrocarbon vapors from air
06/30/1981CA1103901A1 Disposal of waste gases from production of aluminum chloride
06/30/1981CA1103899A1 Process for separating so.sub.2 from a current of gas containing the same, and plant for carrying out such process
06/30/1981CA1103898A1 No translation available
06/24/1981EP0030921A1 Process for the separation of nitrobenzene, di- and/or trichlorobenzene from waste vapours
06/24/1981EP0030863A1 An exchange element for a heat and/or moisture exchange and an exchanger for heat and/or moisture
06/23/1981US4275044 Sulfur dioxide disposal system
06/23/1981US4275021 Gas-liquid contacting tray with improved inlet bubbling means
06/23/1981US4274981 Catalyst for purifying exhaust gas and the process for manufacturing thereof
06/23/1981US4274863 Method of treating pollutant-laden gases, especially from a steel-making or coking plant
06/23/1981US4274848 Gas-venting filter for collection appliance
06/23/1981US4274842 Method of purifying gas containing gaseous mercury
06/23/1981US4274841 Acetylene recovery process and apparatus
06/23/1981US4274373 Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode
06/23/1981CA1103427A1 Catalytic incineration of hydrogen sulfide from gas streams
06/17/1981EP0030447A1 High pressure process for recovery of sulphur from gases
06/16/1981US4273751 Removal of acidica contaminants from gas streams by caustic impregnated activated carbon
06/16/1981US4273750 Flue gas desulfurization apparatus and method
06/16/1981US4273749 Refining process of hot gas containing hydrogen sulfide and ammonia
06/16/1981US4273748 Process for removing harmful components from gas
06/16/1981US4273747 Atomizing water
06/16/1981US4273681 Alternating layers of coated and/or corrugated steel panels
06/16/1981US4273652 Installation for filtration of a contaminated fluid
06/16/1981US4273620 Process for reconcentrating moist glycol
06/16/1981CA1103146A1 Installation for protecting of reactors
06/16/1981CA1103105A1 Method of manufacturing supports for porous filters
06/16/1981CA1103004A1 Process for separating polymeric contaminants from aqueous absorbent solutions used to treat organic gas- containing gas streams
06/16/1981CA1103003A1 Total deaciodizing process of industrial gaseous mixtures with a physical solvant
06/16/1981CA1103002A1 Process for treatment of residual gas
06/10/1981EP0030123A1 Intumescent sheet material
06/09/1981US4272497 Method for treating a nitrogen oxide- and sulphur oxide-containing waste gas
06/09/1981US4272266 Apparatus for the separation of gas mixtures
06/09/1981US4272265 Apparatus for pressure swing generation of oxygen
06/09/1981US4272261 Air purifying device
06/09/1981US4272259 Gas gettering system
06/09/1981US4272257 Liquid-vapor separator
06/09/1981US4272026 Sprinkling device for absorption towers
06/09/1981CA1102786A1 Heat extractor
06/03/1981EP0029784A2 Process for separating ethylene oxide and dichlorodifluoromethane from a mixture containing air in addition thereto
06/03/1981EP0029600A1 Process for the separation of fluids by permeation
06/03/1981EP0029564A1 Process for separating gaseous components from a gas current, particularly a current of flue gas
06/03/1981EP0029513A1 Process for the separation of olefines from gases containing olefines
06/02/1981US4271134 Treatment of effluent gases from the manufacture of fertilizer
06/02/1981US4271133 From synthesis gas using relatively alkali or alkaline earth-free zinc oxide adsorbent
06/02/1981US4271132 Two-stage absorption desorption process using a potassium salt and an amine
06/02/1981US4271044 Carrier matrix for catalysts and process for its production
06/02/1981US4271043 Pillared interlayered clay products
06/02/1981US4270937 Absorbing sulfur-containing gases with carbon dioxide
06/02/1981CA1102300A1 Molybdenum catalyst and method for increasing the selectivity of a catalyst and catalyst system
06/02/1981CA1102299A1 Platinum-rhodium catalyst for automotive emission control
06/02/1981CA1102256A1 Apparatus for the adsorptive cleaning of gases
06/02/1981CA1102255A1 Methods for removing radioactive isotopes from contaminated gas streams
06/02/1981CA1102231A1 Device for extracting moisture from a space
06/02/1981CA1102096A1 Method and device for washing and aerating gaseous mixes
06/02/1981CA1102095A1 Vapor-liquid contacting system
06/02/1981CA1102094A1 Process for removal of hydrogen sulfide from gas streams
05/1981
05/27/1981EP0029258A1 Apparatus for regenerating a scrubbing liquid and process for its operation
05/27/1981EP0029033A1 Process for purifying the exhaust gases of a combustion engine driving a heat pump and purifying device for carrying out such process
05/26/1981US4269813 Crystalline borosilicate and process of preparation
05/26/1981US4269812 Decreasing the interfering density of drops of aqueous absorbent sprayed vertically downward; efficiency
05/26/1981US4269806 Scrubber for removal of sulfur dioxide from exhaust gas
05/26/1981US4269611 Apparatus for drying or dehumidifying gases
05/26/1981US4269609 Absorption of hydrogen fluoride and silicon tetrafluoride by scrubbing with an aqueous solution of fluosilicic acid
05/26/1981CA1101640A1 Process and apparatus for treatment of waste gases
05/26/1981CA1101639A1 Method for increasing the hydrogen sulphide concentration in an acid gas
05/26/1981CA1101638A1 Process
05/26/1981CA1101633A1 Crystalline borosilicate (ams-1b) and process use
05/19/1981US4268489 Process for the removal of sulfur dioxide from gases
05/19/1981US4268488 Contacting nitrogen oxide stream with ammonia and two catalysts
05/19/1981US4268487 Method of minimizing manganese dioxide sludge formation