Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...
Patent
1983-09-02
1984-07-31
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By condensation of entire molecules or entire hydrocarbyl...
585456, 585464, C07C 266
Patent
active
044632053
ABSTRACT:
A process is disclosed for the production of alkylaromatic hydrocarbons by the alkylation of an aromatic hydrocarbon, such as benzene, with a C.sub.8 -plus acyclic olefin which preferably is a normal olefin. The hydrocarbonaceous effluent of the alkylation reaction zone is separated by fractional distillation to yield both a product stream containing monoalkylated aromatics and a small bottoms stream containing dialkylated aromatics and other high boiling compounds but which is substantially devoid of the product monoalkylated aromatics. The product stream is a portion of a sidecut stream withdrawn from the first of two vacuum columns, with a second portion of the sidecut being passed into the second column. The bottoms stream of the first column is also passed into the second column and the overhead vapor of the second column enters an upper portion of the first column.
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Davis Curtis R.
Hoatson Jr. James R.
Page II William H.
Spears Jr. John F.
UOP Inc.
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