METHOD OF SEPARATION BY SUBSTANTIALLY ISOTHERMAL SELECTIVE ADSORPTION OF A GASEOUS MIXTURE
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Abstract
A method of separation by substantially isothermal adsorption of a gaseous mixture in the presence of an impurity, with desorption by the sole action of a vacuum, in which there is admitted through a first zone of a chamber, a gaseous mixture to be separated, a gaseous fraction enriched in the less adsorbable main constituent being extracted through a second zone of the chamber by expansion, a gaseous fraction enriched in the more adsorbable main constituent and in impurity is extracted through the first zone by the action of a vacuum, and the gaseous fraction enriched in the less adsorbable main constituent separated out during the previous cycle is admitted through the second zone.
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