method and device for gas from a gas mixture of easy win

摘要

1381112 Separating gases by absorption PETROCARBON DEVELOPMENTS Ltd 12 April 1972 [20 April 1971] 10189/71 Heading B1L A light gas is separated from admixture with at least one heavier gas by combining low temperature separation (LTS) with pressure swing adsorption. (PSA) in which an intermediate concentrated stream is recycled to one of the units being either a partially purified light gas stream from the LTS or the regeneration stream of the PSA. The direction of the recycle will depend upon the concentration of the light component in the original stream.