Catalyst for the hydrodealkylation of alkylaromatic compounds

Details Catalyst for the hydrodealkylation of alkylaromatic compounds Catalyst for the hydrodealkylation of alkylaromatic compounds

1983-10-07

1984-05-29

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By dealkylation

C07C 358

Patent

active

044516878

ABSTRACT:
An alkylaromatic hydrocarbon feed stream is hydrodealkylate in the presence of a catalyst having a reduced rate of deactivation, or a lower coking tendency. The catalyst comprises a gamma-alumina support containing 8 to 12 wt. % Cr.sub.2 O.sub.3 and 0.2 to 0.7 wt. % Na.sub.2 O and having a surface area from 175 to 275 m.sup.2 /g and a pore volume from 0.5 to 1.2 cc/g. The catalyst is also useful in the hydrodesulfurization of thiophene containing hydrocarbon streams.

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patent: 3900430 (1975-08-01), Beaty
patent: 3992486 (1976-11-01), Cosyns et al.

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