Catalyst for the hydrodealkylation of alkylaromatic compounds

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

B - Operations, Transporting

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252/101, 260/677

B01J 23/26 (2006.01) C07C 4/12 (2006.01) C07C 4/18 (2006.01) C07C 7/163 (2006.01)

Patent

CA 1197830

ABSTRACT An alkylaromatic hydrocarbon feed stream is hydro- dealkylate 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% Cr2O3 and a 0.2 to 0.7 wt% Na2O and having a surface area from 175 to 275 m2/g and a pore volume from 0.5 to 1.2 cc/g. The catalyst is also useful in the hydrodesulfurization of thiophene containing hydro- carbon streams.

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