Catalyst for the hydrodealkylation of alkylaromatic compounds

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

1982-07-06

1984-03-13

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

585489, B01J 2104, B01J 2304, B01J 2326

Patent

active

044368364

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.

REFERENCES:
patent: 2692293 (1954-10-01), Heinemann
patent: 2773917 (1956-12-01), Coonradt et al.
patent: 2951886 (1960-09-01), Paulsen
patent: 3178486 (1965-04-01), Maerker et al.
patent: 3277197 (1966-10-01), Notari
patent: 3560584 (1971-02-01), Duhaut et al.
patent: 3760023 (1973-10-01), Patrick et al.
patent: 3900430 (1975-08-01), Beaty, Jr.
patent: 3992468 (1976-11-01), Cosyns et al.

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