ALKYLATION/TRANSALKYLATION PROCESS FOR SELECTIVE PRODUCTION OF MONOALKYLATED AROMATICS

ALKYLATION/TRANSALKYLATION PROCESS FOR SELECTIVE PRODUCTION OF MONOALKYLATED AROMATICS

An alkylation-transalkylation process for the selective production of a monoalkylated aromatic compound is disclosed which maximizes the production of desirable monoalkylaromatic compounds, while limiting transalkylation catalyst deactivation. The process entails the combination of an alkylation rea...

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Hauptverfasser: PAUL T. BARGER, RAYMOND R. HERBER, GREGORY J. THOMPSON, TAMOTSU IMAI
Format: Patent
Sprache:eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator PAUL T. BARGER
RAYMOND R. HERBER
GREGORY J. THOMPSON
TAMOTSU IMAI
description An alkylation-transalkylation process for the selective production of a monoalkylated aromatic compound is disclosed which maximizes the production of desirable monoalkylaromatic compounds, while limiting transalkylation catalyst deactivation. The process entails the combination of an alkylation reaction step, a first separation step, a second separation step, and a transalkylation reaction step wherein the alkylation catalyst is comprised of phosphoric acid material and the transalkylation catalyst is comprised of a crystalline aluminosilicate material. A key feature involves reducing transalkylation catalyst deactivation by transalkylating only dialkylated aromatic compounds.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title ALKYLATION/TRANSALKYLATION PROCESS FOR SELECTIVE PRODUCTION OF MONOALKYLATED AROMATICS
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