B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/047 (2006.01) B01D 53/04 (2006.01) B01J 20/18 (2006.01)
Patent
CA 2360717
The present invention discloses a process for separating a feed gas containing oxygen, nitrogen and at least one of water and carbon dioxide into at least one product gas (e. g. oxygen). The process includes: (a) providing a gas separation apparatus with at least one adsorption layer including a lithium-exchanged FAU adsorbent having water desorption characteristics, defined by drying curves, similar to those for the corresponding fully sodium-exchanged FAU, a heat of adsorption for carbon dioxide equal to or lower than that for the corresponding fully sodium-exchanged FAU at high loadings of carbon dioxide, and onto which said adsorption layer water and/or carbon dioxide adsorb; (b) feeding into the gas separation apparatus a feed gas including nitrogen, oxygen, and at least one of water and carbon dioxide; and (c) collecting from a product end of the gas separation apparatus at least one product gas comprising oxygen.
Chiang Robert Ling
Dee Douglas Paul
Gondecki Gregory John
Ostroski Jane Elizabeth
Whitley Roger Dean
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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