Regenerant recycle process for oxygenate removal
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United States of America Patent
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Apr 23, 1996
Grant Date -
N/A
app pub date -
Dec 12, 1994
filing date -
Dec 12, 1994
priority date (Note) -
Expired
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Abstract
In methyl tertiary butyl ether (MTBE) plant n-butane is used to regenerate a molecular sieve adsorption bed of an oxygen removal unit, and contaminated n-butane is purified by distillation and recycled for further regeneration. The requirement for n-butane is thus reduced and little or no contaminated n-butane need be diverted for use as fuel gas.
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