Reducing metal content of oil feeds

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

1982-01-04

1984-01-10

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, 208253, 208348, C10G 1706, C10G 2910

Patent

active

044252250

ABSTRACT:
A method for reducing the metal contaminant concentration in a petroleum fraction containing an asphaltene component and a metal contaminant is disclosed. The petroleum feedstock is contacted with vapor phase SO.sub.2 or a vapor phase SO.sub.2 precursor at an elevated temperature after which the petroleum fraction is deasphalted. The petroleum fraction is separated into a first fraction relatively lean in the asphaltene component and the metal contaminant and a second phase relatively rich in the asphaltene component and the metal contaminant.

REFERENCES:
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patent: 2411958 (1946-12-01), Dietrich et al.
patent: 2926129 (1960-02-01), Kimberlin
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), Espenschied et al.
The Oil and Gas Journal, May 5, 1972, "Deposited Metals Poison FCC Catalyst", Ambalo et al.

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