Process for treating arsenic-containing hydrocarbon feedstocks

Details Process for treating arsenic-containing hydrocarbon feedstocks Process for treating arsenic-containing hydrocarbon feedstocks

1976-09-20

1978-02-21

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Metal contaminant removal

C10G 2904

Patent

active

040750850

ABSTRACT:
Oil-soluble nickel, cobalt, or copper-containing additives are blended with a hydrocarbon feedstock containing arsenic, and the resulting solution is heated to at least 300.degree. F to convert a large proportion of the arsenic to forms removable by conventional filtration or desalting techniques. Preferably, the feedstock-additive solution is heated to at least 500.degree. F and is then distilled so as to produce one or more distillate fractions consisting of components that boil at atmospheric pressure at temperatures in the range 400.degree.-900.degree. F; such distillate fractions will contain arsenic in a concentration less that 20% of that of the feedstock.

REFERENCES:
patent: 1826146 (1931-10-01), Lachman
patent: 1826147 (1931-10-01), Lachman
patent: 3161584 (1964-12-01), Gleim
patent: 3165463 (1965-01-01), Gleim et al.
patent: 3933624 (1976-01-01), Myers

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