Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...
Patent
1998-04-09
1999-10-05
Griffin, Walter D.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By condensation of entire molecules or entire hydrocarbyl...
585323, 585449, 585470, 585483, C07C 100, C07C 264, C07C 522, C07C 412
Patent
active
059627581
ABSTRACT:
Ethylbenzene is produced from benzene and ethylene in an alkylation reactor wherein the feedstocks also contain propylbenzenes and/or components that produce propylbenzene. Polyethylbenzenes are also produced in the process. The ethylbenzene product and unreacted benzene are separated and then the propylbenzenes are separated from the polyethylbenzenes by distillation. The propylbenzenes are destroyed in a vapor-phase reactor and the polyethylbenzenes are transalkylated with benzene in a liquid or partial liquid phase at a lower temperature.
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patent: 5476978 (1995-12-01), Smith, Jr. et al.
patent: 5689025 (1997-11-01), Abichandani et al.
Sy Angel S.
Wilcox Richard J.
ABB Lummus Global Inc.
Dang Thuan D.
Griffin Walter D.
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