Manufacture of ethylbenzene

Chemistry of hydrocarbon compounds – Plural serial diverse syntheses – To produce aromatic

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585467, 585474, 585906, 585314, C07C 352, C07C 362

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active

041691113

ABSTRACT:
Benzene is alkylated with ethylene in the presence of a crystalline zeolite catalyst to produce ethylbenzene and polyethylbenzenes. At least a portion of the diethylbenzene fraction is recycled to the alkylation zone while the remainder thereof plus the higher polyethylbenzenes are subjected to transalkylation with benzene in a separate transalkylation zone to produce additional ethylbenzene.

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