Hydrodesulfurization of oil feedstock with presulfided catalyst

Details Hydrodesulfurization of oil feedstock with presulfided catalyst Hydrodesulfurization of oil feedstock with presulfided catalyst

1978-06-29

1980-07-22

Crasanakis, George J.

Mineral oils: processes and products

Refining

Sulfur removal

252439, C10G 2302

Patent

active

042138507

ABSTRACT:
Hydrofining catalysts comprising cobalt and/or nickel oxides plus molybdenum and/or tungsten oxides are presulfided with mixed sulfiding agents comprising (1) a liquid phase heavy mineral oil fraction containing native organic sulfur and (2) a gaseous mixture of hydrogen and H.sub.2 S, the contacting being carried out at temperatures sufficiently high to convert some but not more than about 90% of the organic sulfur in the mineral oil fraction to H.sub.2 S.

REFERENCES:
patent: 2758957 (1956-08-01), Nozaki
patent: 2761816 (1956-09-01), Sweetser et al.
patent: 3000816 (1961-09-01), Vernon et al.
patent: 3140994 (1964-07-01), Derr, Jr. et al.
patent: 3269938 (1966-08-01), Lefrancois
patent: 3423307 (1969-01-01), McKinney et al.
patent: 3441500 (1969-04-01), Wunderlich
patent: 3933683 (1976-01-01), Hilfman
patent: 3948763 (1976-04-01), Christman et al.

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