Process for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation
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United States of America Patent
Stats
-
Jul 10, 2012
Grant Date -
Jul 21, 2011
app pub date -
Mar 31, 2011
filing date -
May 24, 2006
priority date (Note) -
Expired
status (Latency Note)
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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.
First Claim
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