Xylene producing process having staged catalytic conversion of e

Details Xylene producing process having staged catalytic conversion of e Xylene producing process having staged catalytic conversion of e

1987-02-09

1987-09-29

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

585475, 585478, 585481, C07C 522

Patent

active

046970398

ABSTRACT:
A process is disclosed for the production of a desired xylene isomer, preferably paraxylene, and high quality benzene. The desired isomer is recovered from the feed and recycle streams in a xylene separation zone. The net effluent or raffinate from the separation zone is passed into a catalytic xylene isomerization zone. The isomerization zone effluent stream is passed into a high severity transalkylation zone. Ethylbenzene in the feed stream is subjected to staged conversion in the two catalytic reaction zones and thereby converted to both xylenes and benzene.

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