Hydrotreating of heavy hydrocarbon oils in supercritical fluids

Details Hydrotreating of heavy hydrocarbon oils in supercritical fluids Hydrotreating of heavy hydrocarbon oils in supercritical fluids

1995-02-08

1996-03-05

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208145, 208431, 208435, C10G 4734, C10G 4500, C10G 106

Patent

active

054964644

ABSTRACT:
A process is described for hydrotreating a heavy hydrocarbon oil containing a substantial portion of material which boils above 524.degree. C. to form lower boiling materials, which comprises adding to the heavy hydrocarbon oil as solvent a paraffinic, isoparaffinic or cyclic paraffinic hydrocarbon which is also hydrogen-rich and has a critical temperature of less than 500.degree. C. to thereby form a diluted feedstock mixture and subjecting said feedstock mixture to hydrotreating in the presence of activated carbon catalyst at a temperature and pressure substantially at or greater than the critical temperature and pressure of the solvent.

REFERENCES:
patent: 4406772 (1983-09-01), Sasaki et al.
patent: 4434045 (1984-02-01), Vernon et al.
patent: 4483761 (1984-11-01), Paspek, Jr.

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