F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/04 (2006.01) B01D 53/22 (2006.01)
Patent
CA 2044314
ABSTRACT The present invention involves an efficient process for separating selected components of a gas stream by integrating a cryogenic separation unit and a membrane separation unit. Two embodiments provide for the concurrent generation of an argon-rich stream in the gas or liquid phase, along with a nitrogen-rich product stream, both being produced from a stream normally comprising oxygen, nitrogen, and argon, e.g., air. Broadly, the novel system uses a membrane means to preferentially reject the oxygen component from the recycle stream of the cryogenic unit, concurrently accumulating the argon component to allow its separation as an argon-enriched product stream.
Thorogood Robert M.
Tsai Wilman
Weimer Robert F.
Ying David H. S.
Air Products And Chemicals Inc.
Mcfadden Fincham
Thorogood Robert M.
Tsai Wilman
Weimer Robert F.
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