Reforming with selective multimetallic multigradient catalyst

Details Reforming with selective multimetallic multigradient catalyst Reforming with selective multimetallic multigradient catalyst

1999-03-23

2000-10-17

Yildirim, Bekir L.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208139, 585481, 585482, 585486, 502 66, C10G 3509

Patent

active

061325953

ABSTRACT:
A reforming process, selective for the dehydrocyclization of paraffins to aromatics, is effected using a catalyst containing a uniformly distributed platinum-group metal component, a surface-layer metal component comprising one or more of the Group IVA metals, indium, Group VIIB (IUPAC 7) metals, iron, zinc, gold and bismuth 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 in improved catalyst stability.

REFERENCES:
patent: 3259589 (1966-07-01), Michalko
patent: 4104320 (1978-08-01), Bernard et al.
patent: 4677094 (1987-06-01), Moser et al.
patent: 4786625 (1988-11-01), Imai et al.
patent: 4914068 (1990-04-01), Cross et al.
patent: 5880051 (1999-03-01), Chen et al.

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