B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/22 (2006.01) C01B 21/04 (2006.01)
Patent
CA 2072722
ABSTRACT OF THE DISCLOSURE A cascade-sweep process for the production of a high purity gas using two or more membranes in combination, which entails: a) collecting a non-permeate stream of a stage N and using the same as a feed stream for a stage N+1, b) collecting a permeate stream of said stage N+1 and feeding the same to a permeate stream of a stage N by counter- current sweep, and c) collecting a permeate of a first stage and a non- permeate of a last stage.
Barbe Christian
Masurel Dominique
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
Smart & Biggar
LandOfFree
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