B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/22 (2006.01) B01D 71/64 (2006.01) C08F 10/06 (2006.01) C08F 210/06 (2006.01)
Patent
CA 2522599
The invention relates to a method of treating a gas mixture (1) comprising at least propylene and propane, such as to separate the propylene from the propane. The inventive method consists in bringing the aforementioned gas mixture into contact with a membrane which enables selective permeation of the propylene in relation to the propane, such as to produce a propylene-enriched permeate (3) and a propane-enriched retentate (2). The invention is characterised in that the propylene concentration of the permeate in the membrane is reduced using a flushing gas (4).
L'invention concerne un procédé de traitement d'un mélange gazeux (1) comprenant au moins du propylène et du propane de manière à séparer le propylène du propane, dans lequel on met le mélange gazeux en contact d'une membrane assurant la perméation sélective du propylène par rapport au propane de manière à obtenir un perméat (3) enrichi en propylène et un rétentat (2) enrichi en propane, caractérisé en ce qu'on diminue la concentration en propylène du perméat dans la membrane au moyen d'un gaz de balayage (4).
Bromet Emmanuelle
de Souza Guillaume
Riu Olivier
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
L'air Liquide Societe Anonyme A. Directoire Et Conseil de Survei
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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