Process for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation
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United States of America Patent
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May 10, 2011
Grant Date -
Jul 29, 2010
app pub date -
Apr 1, 2010
filing date -
May 24, 2006
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Abstract
Disclosed are ethylbenzene processes in which a series-arranged or combined vapor phase alkylation/transalkylation reaction zone is retrofitted to have a vapor phase alkylation reactor and a liquid phase transalkylation reactor, and in which a parallel-arranged vapor phase alkylation reactor and vapor phase transalkylation reactor is retrofitted to have a vapor phase alkylation reactor and liquid phase transalkylation reactor, wherein the xylenes content of the ethylbenzene product is less than 700 wppm.
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