Stable, high-yield reforming catalyst

Details Stable, high-yield reforming catalyst Stable, high-yield reforming catalyst

1995-05-22

1997-03-25

Caldarola, Glenn A.

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 74, 208138, B01J 2960, B01J 2968

Patent

active

056144547

ABSTRACT:
A reforming process, selective for the dehydrocyclization of paraffins to aromatics, is effected using a catalyst containing multiple Group VIII (8-10) noble metals having different gradients within the catalyst and a nonacidic large-pore molecular sieve. The use of this bed of catalyst results in greater selectivity of conversion of paraffins to aromatics and improved catalyst stability, particularly in the presence of small amounts of sulfur.

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