Zeolite catalyst and process for using said catalyst (C-1591)

Details Zeolite catalyst and process for using said catalyst (C-1591) Zeolite catalyst and process for using said catalyst (C-1591)

1986-03-10

1987-01-06

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

585409, 585407, C10G 3506

Patent

active

046345175

ABSTRACT:
A class of catalysts which exhibit superior activity maintenance in dehydrocyclization reactions are defined as a type L zeolite having exchangeable cations of which at least 75% are selected from Group IA and calcium and barium cations and containing well dispersed particles of at least one Group VIII noble metal where at least 90% of the noble metal prior to reduction thereof is dispersed in the form of particles having a diameter less than 7 .ANG.. The catalysts may also be identified as type L zeolites loaded with at least one Group VIII noble metal which have a terminal cracking index (as a measure of production of pentanes versus butanes from hexane) of at least 1.5.

REFERENCES:
patent: 4104320 (1978-08-01), Bernard et al.
patent: 4347394 (1982-08-01), Detz et al.
patent: 4435283 (1984-03-01), Buss et al.
patent: 4443326 (1984-04-01), Field
patent: 4447316 (1984-05-01), Buss
patent: 4456527 (1984-06-01), Buss et al.
patent: 4478706 (1984-10-01), Cohen

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