TWO BED LIQUID PHASE ISOMERIZATION PROCESS

A process for ethylbenzene conversion and xylene isomerization of an alkylaromatic feed mixture is described. A C8 alkylaromatic feed mixture can be contacted with two catalyst beds successively in the liquid phase in a C8 aromatic hydrocarbon isomerization zone. The first catalyst comprises a passi...

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Hauptverfasser:	DEAK, Veronica, G, JAN, Deng-Yang, KUZMANICH, Gregory, B
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	A process for ethylbenzene conversion and xylene isomerization of an alkylaromatic feed mixture is described. A C8 alkylaromatic feed mixture can be contacted with two catalyst beds successively in the liquid phase in a C8 aromatic hydrocarbon isomerization zone. The first catalyst comprises a passivated zeolite containing a ten-membered ring channel framework for the conversion of ethylbenzene. The second catalyst comprises UZM-54 zeolite for selective isomerization of the xylenes.