Demetalation and desulfurization of oil in separate catalytic zo

Details Demetalation and desulfurization of oil in separate catalytic zo Demetalation and desulfurization of oil in separate catalytic zo

1974-08-28

1976-10-12

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Sulfur removal

208251H, C10G 2300

Patent

active

039856437

ABSTRACT:
An improved process for desulfurization of metals and sulfur containing petroleum oils, preferably those containing residua hydrocarbon components, comprising passing the sulfur containing petroleum oils through a bed of substantially aged desulfurization catalyst at a temperature not less than 770.degree.F preceeding conventional hydrodesulfurization treatment.

REFERENCES:
patent: 2174510 (1939-10-01), Gwynn
patent: 3291721 (1966-12-01), Schuman
patent: 3607725 (1971-09-01), Irvine et al.
patent: 3809644 (1974-05-01), Johnson et al.

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