Patent ID: 6328880
Filing Date: 2001-12-11
Classification: C10G

Abstract:
A process for hydrotreating a hydrocarbon oil which comprises hydrotreating crude oil from which the naphtha fraction is optionally removed, in the presence of a catalyst (A) comprising at least one metal selected from the group consisting of the metals each belonging to any of the groups 6, 8, 9 and 10 of the Periodic Table, said metal being supported on at least one carrier selected from the group consisting of alumina/boria carrier and a carrier containing an iron-containing aluminosilicate, wherein the metal content of the catalyst (A) ranges from 1-35% by weight expressed in terms of the oxide thereof; and (B) a demetallization catalyst in combination with catalyst (A), said crude oil containing at most 135 ppm by weight of at least one metallic component selected from the group consisting of vanadium, nickel and iron, and at most 12% by weight of asphaltenes.