Hydrocracking in strong acid systems with palladium or iridium

Details Hydrocracking in strong acid systems with palladium or iridium Hydrocracking in strong acid systems with palladium or iridium

1975-05-14

1977-07-19

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208111, 208112, 252441, 252477R, 260667, C10G 1308

Patent

active

040367380

ABSTRACT:
Hydrocarbon feedstocks are hydrocracked by contacting the feedstock in the presence of hydrogen and under hydrocracking reaction conditions with a catalyst comprised of a metal fluoride, the metal being tantalum, niobium, boron or mixtures thereof, a fluoride containing Bronsted acid and palladium or iridium, the Bronsted acid being present in at least an equimolar amount relative to the metal fluoride and sufficient to dissolve at least a portion of the metal fluoride. The presence of palladium or iridium serves to extend the hydrocracking catalyst life of the metal fluoride and fluoride containing Bronsted acid. The catalyst can be described as a slurry or dispersion composed of the noble metal on a support in a liquid phase acid system.

REFERENCES:
patent: 2446998 (1948-08-01), Burk
patent: 3409684 (1968-11-01), Aristoff et al.
patent: 3847795 (1974-11-01), Rieve et al.
patent: 3901790 (1975-08-01), Siskin et al.

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