Patents Assigned to L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitaton des Procedes Georges
  • Process for treating a gas mixture by pressure swing adsorption
    Patent number: 5772737
    Abstract: Process for treating a gas mixture by pressure swing adsorption wherein for each adsorber (1), the duration (T.sub.R) of the countercurrent recompression step is much less than that (T.sub.D) of the cocurrent decompression step. The process is particularly useful in the production of oxygen from atmospheric air.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: June 30, 1998
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitaton des Procedes Georges
    Inventors: Philippe Andreani, Christian Monereau, Pierre Petit