ASU nitrogen sweep gas in hydrogen separation membrane for production of HRSG duct burner fuel
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United States of America Patent
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Apr 2, 2013
Grant Date -
Apr 1, 2010
app pub date -
Jan 9, 2008
filing date -
Jan 10, 2007
priority date (Note) -
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Abstract
The present invention relates to the use of low pressure N2 from an air separation unit (ASU) for use as a sweep gas in a hydrogen transport membrane (HTM) to increase syngas H2 recovery and make a near-atmospheric pressure (less than or equal to about 25 psia) fuel for supplemental firing in the heat recovery steam generator (HRSG) duct burner.
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