Alkylating process for alkyl benzenes
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United States of America Patent
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Oct 31, 2017
Grant Date -
Apr 30, 2015
app pub date -
Jul 4, 2013
filing date -
Jul 12, 2012
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Abstract
This invention relates to an alkylating process for alkyl benzenes, including the steps of: a) an alkyl benzene and a first stream of alkylating agent being fed into a first reaction zone, contacting with a catalyst A, to produce a process stream I; b) the process stream I and a second stream of alkylating agent being fed into at least one second reaction zone, contacting with a catalyst B, to produce a process stream II; and c) the process stream II being fed into at least one third reaction zone, contacting with a catalyst C, to produce a process stream III containing an alkylate. The present alkylating process can improve the utilization efficiency of the alkylating agent.
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