Process for producing phenol
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United States of America Patent
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Oct 4, 2016
Grant Date -
Jan 15, 2015
app pub date -
Dec 4, 2012
filing date -
Feb 29, 2012
priority date (Note) -
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Abstract
In a process for producing phenol, benzene is reacted with a source of hydrogen containing methane in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction effluent comprising cyclohexylbenzene, benzene, hydrogen, and methane. A first stream comprising hydrogen, methane, and benzene is removed from the hydroalkylation reaction effluent and the first stream is washed with a second stream containing cyclohexylbenzene to produce a benzene-depleted hydrogen stream containing hydrogen and methane and a wash stream containing cyclohexylbenzene and benzene.
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