Patent ID: 11857912
Assignee: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  F  Y | IPC B  C  F

Claim 4:
5. The process as claimed in claim 1, wherein the purification of step d) is carried out by adsorption by means of an adsorbent mass and comprises two sub-steps:
a first sub-step i) comprising the co-current passage of the second gas stream through the adsorbent mass so as to remove at least one portion of the impurities contained in the second gas stream, and
a second sub-step ii) comprising the passage in counter-current mode of the first gas stream through the adsorbent mass resulting from the first sub-step i) so as to desorb at least one portion of the impurities.