Process, including membrane separation, for separating hydrogen from hydrocarbons
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United States of America Patent
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Jul 24, 2001
Issued Date -
N/A
app pub date -
May 21, 1999
filing date -
May 22, 1998
priority date (Note) -
Expired
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Abstract
Processes for providing improved methane removal and hydrogen reuse in reactors, particularly in refineries and petrochemical plants. The improved methane removal is achieved by selective purging, by passing gases in the reactor recycle loop across membranes selective in favor of methane over hydrogen, and capable of exhibiting a methane/hydrogen selectivity of at least about 2.5 under the process conditions.
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