Process for producing propylene oxide
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United States of America Patent
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Jan 4, 2011
Grant Date -
Jul 10, 2008
app pub date -
Jun 20, 2006
filing date -
Jun 29, 2005
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Abstract
The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (GI) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (GI) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.
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