Rendement thermodynamique, établissement du schéma de traitement et sélection des membranes pour la séparation des gaz.

The paper discusses several ways of improving thermodynamic efficiency membrane separation other than pressure ratio optimization, such as optimal process flow-sheet design and membrane selection, and explains the relationship between the various factors affected by these measures and thermodynamic efficiency. The author showed that a membrane with a higher selectivity (and lower permeance as a consequence) should be used for separation of mixtures with higher concentration of the more permeable component and vice versa. The concept of separation ability was introduced as a tool to relate membrane area to thermodynamic efficiency.