Arsenic removal from shale oils

Details Arsenic removal from shale oils Arsenic removal from shale oils

1982-06-25

1985-11-05

Dixon, Jr., William R.

Mineral oils: processes and products

Refining

Metal contaminant removal

208293, C10G 700

Patent

active

045512370

ABSTRACT:
Shale oil produced from arsenic-containing oil shale is treated with an aqueous solution of one or more sulfide materials and separated therefrom, yielding an oil fraction of reduced arsenic content. Preferred sulfide materials include ammonium sulfide and ammonium polysulfide.

REFERENCES:
patent: 2683683 (1954-07-01), Mills
patent: 2779715 (1957-01-01), Murray et al.
patent: 2854399 (1958-09-01), Weller
patent: 2951804 (1960-09-01), Juliard
patent: 4046674 (1977-09-01), Young
patent: 4083924 (1978-04-01), Styring
patent: 4430206 (1984-02-01), Rankel
Evans et al, Semimicro Qualitative Analysis, 1940, p. 53.

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