Method for recovering ethylbenzene from alkylation product of fluidized catalytic cracking off-gas and benzene
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United States of America Patent
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May 19, 2020
Grant Date -
Dec 20, 2018
app pub date -
Jun 4, 2018
filing date -
Jun 16, 2017
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Abstract
The present disclosure provides a process for effectively separating and removing by-products (light gas, C5-C6 hydrocarbon oil fraction, polyethylbenzene) contained in a substantial amount in addition to ethylbenzene as a target compound in an alkylation reaction product of a fluidized catalytic cracking off-gas to prepare ethylbenzene having high purity, and process economical efficiency may be secured by utilizing the polyethylbenzene as an absorbent or gasoline fraction, without requiring a transalkylation reaction for further producing ethylbenzene from polyethylbenzene.
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