Large-pore hydrodemetallization catalyst and process employing s

Details Large-pore hydrodemetallization catalyst and process employing s Large-pore hydrodemetallization catalyst and process employing s

1977-06-30

1978-10-10

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Metal contaminant removal

252465, 252466PT, 252466J, C10G 1700

Patent

active

041195310

ABSTRACT:
There is disclosed a catalyst for the hydrodemetallization of petroleum hydrocarbon streams containing asphaltenes and large quantities of metals. This catalyst consists essentially of a small amount of a single hydrogenation metal selected from the group consisting of metals from Group VIB of the Periodic Table of Elements and metals from Group VIII of the Periodic Table deposed on a large-pore alumina. The hydrogenation metal may be present in the elemental form, as an oxide, as a sulfide, or mixtures thereof. The catalyst is characterized by a surface area of at least 120 square meters per gram, a pore volume of at least 0.7 cc per gram, and an average pore diameter of at least 125 Angstrom units. Suitable examples of a hydrogenation metal are nickel and molybdenum. Also disclosed is a process for the hydrodemetallization of a hydrocarbon stream containing asphaltenes and a substantial amount of metals, which process comprises contacting said hydrocarbon stream in a reaction zone under suitable operating conditions and in the presence of hydrogen with the catalyst described hereinabove.

REFERENCES:
patent: 3882049 (1975-05-01), Berolacini et al.
patent: 3898155 (1975-08-01), Wilson
patent: 3931052 (1976-01-01), Oleck et al.
patent: 3989645 (1976-11-01), Long et al.

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