Reducing metal content of oil feeds

Details Reducing metal content of oil feeds Reducing metal content of oil feeds

1982-01-04

1985-08-27

Gantz, D. E.

Mineral oils: processes and products

Refining

Metal contaminant removal

208252, 208253, 208348, C10G 1706, C10G 2910

Patent

active

045376760

ABSTRACT:
A method for reducing the concentration of metal contaminants, such as vanadium and nickel, in the distillate from a petroleum fraction is disclosed. The method comprises contacting the petroleum fraction in a contacting zone with an effective amount of sulfur dioxide of a sulfur dioxide precursor at a temperature ranging between about 200.degree. C. and 450.degree. C. for a period of time ranging between about 0.01 and 5 hours after which the fraction is passed to a vacuum separation zone and separated into a distillate having a relatively low metals content and a bottoms having a relatively high metals content.

REFERENCES:
patent: 2009710 (1935-07-01), Goodwin et al.
patent: 2411958 (1946-12-01), Dietrich et al.
patent: 2926129 (1960-02-01), Kimbertem
patent: 2969320 (1961-01-01), Shapiro
patent: 3095368 (1963-06-01), Bieber
patent: 3294678 (1966-12-01), Gleim
patent: 3511774 (1970-05-01), Long et al.
patent: 4035287 (1977-07-01), Espenscheid et al.
The Oil and Gas Journal, May 15, 1972, "Deposited Metals Poison FCC Catalyst", Cumbalo et al.
"Physical Properties of Chemical Compounds-III", No. 29, Advances in Chemistry Series, American Chemical Society, Washington, DC, (1961), pp. 5 & 472.

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