System for separation of oxygen from argon/oxygen mixture
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United States of America Patent
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Nov 28, 1995
Issued Date -
N/A
app pub date -
Dec 27, 1993
filing date -
Sep 22, 1992
priority date (Note) -
Expired
status (Latency Note)
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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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