System for separation of oxygen from argon/oxygen mixture

Details System for separation of oxygen from argon/oxygen mixture System for separation of oxygen from argon/oxygen mixture

1993-12-27

1995-11-28

Spitzer, Robert

Gas separation: processes

Solid sorption

Including reduction of pressure

95103, 95105, 95127, 95130, B01D 53047

Patent

active

054703786

ABSTRACT:
A process for removing argon from a feed gas stream comprising oxygen and argon to yield a high purity oxygen stream and the system for carrying out the process. The process includes the steps of: (a) providing a feed gas of oxygen and argon at a temperature between -30.degree. C. and 100.degree. C. and a pressure between 5 psia and 160 psia; and (b) passing the feed gas over an adsorbent bed comprising a Ag ion exchanged type X zeolite wherein at least 80% of the available ion sites are occupied by Ag such that at least a portion of the argon in the feed gas is adsorbed by the adsorbent bed thereby leaving an oxygen-enriched gas stream.

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