Method for contaminants removal in the olefin production process
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United States of America Patent
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Nov 13, 2012
Grant Date -
Jun 16, 2011
app pub date -
Dec 15, 2009
filing date -
Dec 15, 2009
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Abstract
The present invention provides a method and reactor system for hydrogenating acetylenes present in the olefin stream derived from the following streams, alone or in combination: petroleum catalytic cracking process and/or oxygenate-to-olefin reactor, such as methanol-to-olefin (MTO) reactor, in an olefin production plant before the distillation steps, wherein the acetylene hydrogenation occurs before or just after the acid gas removal step.
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