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)
08/1981
08/25/1981CA1107634A1 Gas-liquid contacting tray with improved inlet bubbling means
08/25/1981CA1107588A1 Scavenging of throttled msr tube bundles
08/25/1981CA1107587A1 Moisture separator reheater with thermodynamically enhanced means for substantially eliminating condensate subcooling
08/25/1981CA1107510A1 Method and apparatus for preparing molten glass
08/25/1981CA1107479A1 Process for synthesizing ammonia from nitrogen and hydrogen
08/20/1981WO1981002257A1 Method for retrieving heat,ash,and sulfur oxides from gas discharged from boiler of power plant equipment
08/20/1981WO1981002256A1 Impregnated charcoal for removing radioactive molecules from gases
08/19/1981EP0034054A1 Process for the separation of three components from a mixture by solid-bed adsorption and desorption
08/19/1981EP0034037A1 Method of preparation of material for adsorbing iodine
08/19/1981EP0033808A1 NOx reduction in multisolid fluidized bed combustors
08/19/1981EP0033784A2 Multilayered gas filter
08/18/1981US4284608 Process for regenerating sulfur dioxide gas scrubbing solutions
08/18/1981US4284513 Process for preventing encrustations on surfaces which are in constant contact with aqueous solutions containing matter prone to crystallize
08/18/1981US4284494 Control of emissions in FCC regenerator flue gas
08/18/1981US4284418 Particle separation method and apparatus
08/18/1981US4283937 Method of detecting broken window foil of apparatus for treating waste gas with irradiation
08/18/1981CA1107203A1 Multicomponent membranes for gas separation
08/18/1981CA1107037A1 Process for treating combustion gases
08/18/1981CA1107036A1 Method of removing sulphur dioxide from gases, more particularly industrial waste gases
08/18/1981CA1107009A1 Device for recovering sodium chemicals from green liquor and flue gases
08/12/1981EP0033460A1 Process for the elimination of acid gases from hydrogen-rich flue gases in the catalytic reforming of petrol hydrocarbons
08/12/1981EP0033424A1 Removal of sulfur and/or sulfur compound from industrial process streams using metal alumina spinel
08/12/1981EP0033413A1 Vapour-liquid contact apparatus and method of fabricating grid-elements for use in such apparatus
08/12/1981EP0033401A2 Process for the removal of H2S, CO2, COS and mercaptans from gases by absorption
08/11/1981US4283380 Absorption by alumina to form sulfates, reducing to elemental sulfur
08/11/1981US4283379 Washing solution of solubilized vanadium, water soluble nonquinone aromatic compounds, thiocyanate ions, and a carboxylate complexing agent
08/11/1981US4283374 Regenerable manganese oxide hot gas desulfurization process
08/11/1981US4283373 Treatment with alkali metal salts of sulfonamides
08/11/1981US4283308 Auto exhaust gas catalyst, and process for production thereof
08/11/1981US4283255 Distillation
08/11/1981US4283212 By absorption of condensable' monomer from carrier gas, desorption
08/11/1981US4283204 Process for the separation of contaminants from feed streams using magnetic beds
08/11/1981CA1106776A1 System for removing pollutants from gases having internal bypass capability
08/11/1981CA1106754A1 Liquid-gas contacting tray with high angle inlet slotting
08/11/1981CA1106576A1 Process for removing so.sub.2 from effluent gases and for removing heat stable salts from systems in which they accumulate using an anion exchange resin
08/11/1981CA1106575A1 Treatment of gases
08/05/1981EP0033202A1 Ferritic stainless steel substrate for catalytic system
08/05/1981EP0033029A1 Method of concentrating and removing hydrogen sulfide from a contaminated gas mixture
08/04/1981US4282194 Process for converting cyclic urea to corresponding diamine in a gas treating system
08/04/1981US4282193 Carbonylation, cyclization
08/04/1981US4282115 Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases
08/04/1981US4282017 Exhaust gas purifier, water
08/04/1981US4282015 Method of and apparatus for regenerating an adsorption agent
08/04/1981US4281518 Method and apparatus for separating particular components of a gas mixture
08/04/1981CA1106348A1 Process for the regeneration of spent aqueous solutions of sodium, potassium and/or ammonium sulfides
08/04/1981CA1106153A1 Removal of acid gases from hot gas mixtures
08/04/1981CA1106152A1 Process for removing so.sub.2 from effluent gases and for removing heat stable salts from systems in which they accumulate
08/04/1981CA1106151A1 Desulfurization process for so.sub.2 containing gas
08/04/1981CA1106150A1 Nickel sulfide process for the removal of h.sub.2s
08/04/1981CA1106149A1 Process for the elimination of hydrogen sulfide contained in a gaseous mixture
08/04/1981CA1106148A1 Pretreatment of raw natural gas prior to liquefaction
08/04/1981CA1106147A1 Recovering sulfur from gas streams containing hydrogen sulfur
08/04/1981CA1106112A1 Process and apparatus for the removal of ammonia in a liquid ammonia fabric treating system
07/1981
07/29/1981EP0032803A1 Fission product adsorbent impregnated with quinuclidine
07/29/1981EP0032523A2 Process and device for recovering and reutilizing heat from hot gases, especially from the exhaust gases of metallurgical processes and the use of this process
07/28/1981US4280990 High pressure process for recovery of sulphur from gases
07/28/1981US4280926 Method for producing a catalyst and a carrier therefor
07/28/1981US4280909 Microporous member with interconnected, oriented tapered voids
07/28/1981US4280845 Cordierite ceramic
07/28/1981US4280824 Process for providing a feed gas for a chemical reaction and for the separation of a gaseous reaction product
07/28/1981US4280416 Rotary valve for a regenerative thermal reactor
07/28/1981CA1106030A1 Automatic control of an absorption/stripping process
07/28/1981CA1105680A1 Autocirculation process and apparatus
07/28/1981CA1105678A1 Sequential removal of sulfur oxides from hot gases
07/28/1981CA1105677A1 Process for removing sulfur dioxide in a wet scrubber
07/28/1981CA1105676A1 Process of regenerating alkali carbonate solutions formed by the desulfurization of hot gases
07/23/1981WO1981001995A1 Storage device for bodies,which shall be exposed to the environment such as hygroscopic bodies for the absorption of humidity
07/23/1981WO1981001963A1 Method and device for cleaning air fed into a protection booth or vehicle cabin
07/23/1981WO1981001962A1 Air cleaner
07/23/1981WO1981001961A1 Method and separator for isolating a liquid from a gas-liquid mixture
07/21/1981US4279874 Cu(1) Acetylacetonate complexes for CO separation
07/21/1981US4279873 Process for flue gas desulfurization
07/21/1981US4279872 Method of scrubbing acid gases from gas mixtures
07/21/1981US4279855 Method for the casting of ultrathin polymer membranes
07/21/1981US4279782 Application of an alumina coating to oxide whisker-covered surface on Al-containing stainless steel foil
07/21/1981US4279678 Hollow fiber apparatus for the fractionation of fluid especially useful as an artificial kidney
07/21/1981US4279630 Air cleaning means for internal combustion engine
07/21/1981US4279628 Apparatus for drying a natural gas stream
07/21/1981CA1105373A1 Combined separator vessel and gas absorber vessel
07/21/1981CA1105372A1 Quick opening removable tray sections for fluid contact trays
07/21/1981CA1105371A1 Flue gas scrubbing additive utilization
07/21/1981CA1105369A1 Recovery of hydrogen and ammonia from purge gas
07/21/1981CA1105241A1 Process for co.sub.2 removal
07/21/1981CA1105240A1 Method for purification of air containing carbon monoxide
07/21/1981CA1105238A1 Treatment of gases and vapors from sulfuric acid digestion of titaniferous materials
07/21/1981CA1105237A1 Process for the incineration of chlorinated organic materials
07/14/1981US4278774 Block-copolymers of vinyltrialkylsilane-hexaorganocyclotrisiloxanes and method for producing same
07/14/1981US4278646 Chelated ferric ion, aminocarboxylic acid compounds
07/14/1981US4278645 Method of purifying hot gases
07/14/1981US4278621 Vapor-liquid contacting system
07/14/1981CA1104996A1 Process for the regeneration of an alkanolamine-based absorbent for gases containing co.sub.2 and/or cos
07/14/1981CA1104995A1 Adsorbent for ethylene and process for preparation thereof
07/14/1981CA1104921A1 Air washer, particularly for paint spray booths
07/14/1981CA1104795A1 Odorous gas purification
07/14/1981CA1104794A1 Purification of nitrogen trifluoride atmosphere
07/14/1981CA1104793A1 Removal of phosphine from phosphine-contaminated carbon monoxide gas streams
07/14/1981CA1104792A1 Pollution control system and method for the removal of sulfur oxides
07/09/1981WO1981001873A1 No x reduction in multisolid fluidized bed combustors
07/09/1981WO1981001801A1 Method and apparatus for separating gases with ventilated blades
07/08/1981EP0031725A2 Process for producing an ultrathin solid membrane and its use for concentrating a specified gas in a gaseous mixture