专利名称：METHOD OF AND INSTALLATION FOR THE
FRACTIONATION OF A GASEOUS MIXTUREBY ADSORPTION
发明人：SIMONET G,FR,PIVARD C,FR申请号：US3796022D申请日：19721120公开号：US3796022A公开日：19740312
摘要：A method of fractionation of a gaseous mixture by adsorption, utilizing at leastone adsorption line including an adsorption zone having an adsorbent mass adsorbingprimarily a first constituent and secondarily a second constituent of said mixture, saidmethod employing at least one elementary adsorption cycle employing said adsorptionline, and further comprising an adsorption phase in which said mixture is introduced intothe adsorption zone at an adsorption pressure, an elution phase in which a gaseousfraction enriched in said first constituent circulates in the adsorption zone at a pressurelower than said adsorption pressure while enriching said fraction in said second desorbedconstituent, a desorption phase in which a gaseous fraction enriched in said firstconstituent is extracted from the inlet of said adsorption zone under a pressure lowerthan said elution pressure, and a pressure-rise or inflation phase in which the pressure inthe adsorption zone is increased to the adsorption pressure. The invention also coversthe installations for carrying the method and its alternatives into effect, and is especiallyapplicable to the fractionation of atmospheric air into nitrogen, oxygen and water.
申请人：L AIR LIQUIDE SA POUR ETUDE EXPLOITATION PROCEDES GEORGE
CLAUDE,FR
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