EB/SM splitter heat recovery
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United States of America Patent
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Apr 12, 2011
Grant Date -
May 6, 2010
app pub date -
Nov 2, 2009
filing date -
Jun 12, 2002
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Abstract
Improved methods and related apparatus are disclosed for efficiently recovering the heat of condensation from overhead vapor produced during separation of various components of dehydrogenation reaction effluent, particularly in ethylbenzene-to-styrene operations, by the use of at least a compressor to facilitate azeotropic vaporization of an ethylbenzene and water mixture within a preferred range of pressure/temperature conditions so as to minimize undesired polymerization reactions.
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