Process for the alkylation of organic aromtic compounds in the presence of inert aliphatic compounds
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United States of America Patent
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Aug 27, 1991
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N/A
app pub date -
Sep 17, 1990
filing date -
Sep 17, 1990
priority date (Note) -
Expired
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Abstract
An improvement in the operation to a catalytic distillation process for the alkylation of organic aromatic compounds with an olefin contained wherein aliphatic compounds are contained in either the olefin feed stream, the aromatic feed stream or both is disclosed. Aliphatic compounds are added to the upper portion of a secondary distillation column reactor wherein aromatic is being reacted with unreacted olefin from a primary distillation column reactor to polish the conversion of olefin. The additional aliphatic compound produces an equilibrium in the secondary column wherein unreacted aromatic and alkylation product are recovered as bottoms which may be recycled to the primary distillation column reactor.
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