Selective catalytic reforming with high-stability catalyst

Details Selective catalytic reforming with high-stability catalyst Selective catalytic reforming with high-stability catalyst

1992-12-28

1994-11-22

Dees, Carl F.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208138, C10G 3509, C10G 35095

Patent

active

053666178

ABSTRACT:
A reforming process, selective for the dehydrocyclization of paraffins to aromatics, is effected using a catalyst containing a platinum-group metal, a nonacidic large-pore molecular sieve, and a metal modifier which is positioned on the catalyst to be extrinsic to the pores of the molecular sieve. The use of this catalyst results in greater selectivity converting paraffins to aromatics and improved catalyst stability particularly when processing feedstocks containing small amounts of sulfur compounds.

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patent: 4795549 (1989-01-01), Coughlin et al.
patent: 4914068 (1990-03-01), Cross et al.
patent: 5211837 (1993-05-01), Russ et al.

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