Exxon Research and Engineering Company

John C Roarty

James L Carter

Ramdas Venkatram

Theodorus M Wortel

Malcolm L Campbell

A zeolite-based catalyst containing a metal oxide or oxide complex is dried by heating while in contact with the gas. Heat input to the catalyst and hence the rate of catalyst temperature increase are controlled so as to limit the rate of water evolution from the catalyst and the water vapor concentration in the gas, thereby to maintain the metal oxide or complex in dispersed form within the pores of the zeolite.

Catalyst drying and activation methods

A process for reforming a full boiling range naptha feed to enhance benzene yield is disclosed which first separates the feed into a C.sub.6 fraction containing at least 10% by volume of C.sub.7 + hydrocarbons and a C.sub.7 + fraction, then subjecting the C.sub.6 fraction to a catalytic aromatization process and subjecting the C.sub.7 + fraction to a catalytic reforming process, followed by recovering the aromatics produced.

Reforming process for enhanced benzene yield

A process is disclosed for improving the recovery of benzene from a reforming process by adding to the reformer effluent a heavy oil, then recovering the benzene in a flash drum.

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Rockaway, NJ, United States of America

John C Roarty