Propylene and isoprene production
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United States of America Patent
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Oct 19, 2010
Grant Date -
Feb 12, 2009
app pub date -
Aug 7, 2007
filing date -
Aug 7, 2007
priority date (Note) -
Expired
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Abstract
A process for producing propylene and isoprene from a feed stream comprising 1-butene and isobutene is disclosed. The feed stream is reacted in a catalytic distillation reactor containing an olefin isomerization catalyst to produce an overhead stream comprising 2-butene and isobutene and a bottoms stream comprising 2-butene. The overhead stream is reacted in the presence of a metathesis catalyst to produce propylene and isoamylenes. Isoprene is produced by dehydrogenation of isoamylenes.
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