Process for hydrotreating heavy hydrocarbon oils

Details Process for hydrotreating heavy hydrocarbon oils Process for hydrotreating heavy hydrocarbon oils

1984-01-19

1986-09-23

Hearn, Brian E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208211, 208216PP, 208251H, C10G 6504

Patent

active

046134255

ABSTRACT:
A two-stage process for hydrotreating asphaltenes and metallic contaminants-containing heavy hydrocarbon oils which comprises a demetallization step using a catalyst composition which is smaller in pore size and less in active metal amount than the conventional demetallization catalysts, and a hydrotreating step using a catalyst composition which is larger in pore size and more in active metal amount than the conventional hydrodesulfurization catalysts or hydrocracking catalysts, said hydrotreating step being located downstream of said demetallization step.

REFERENCES:
patent: Re30155 (1979-11-01), Gustafson
patent: 3814682 (1974-06-01), Christman et al.
patent: 4008149 (1977-02-01), Itoh et al.
patent: 4297242 (1981-10-01), Hensley, Jr. et al.
patent: 4419275 (1983-12-01), Yoshida et al.
patent: 4500645 (1985-02-01), Fuchikami et al.

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