Pretreatment of oil-shale for enhanced arsenic removal

Details Pretreatment of oil-shale for enhanced arsenic removal Pretreatment of oil-shale for enhanced arsenic removal

1983-07-15

1985-01-15

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 100

Patent

active

044937636

ABSTRACT:
Disclosed is a method for pretreating oil-shale such that upon subsequent processing the shale-oil obtained is substantially free of arsenic. The pretreatment comprises heating the oil-shale in a reducing atmosphere at a temperature from about 200.degree. C. to about retorting temperature.

REFERENCES:
patent: 2908617 (1959-10-01), Murphree
patent: 3224954 (1965-12-01), Schunger et al.
patent: 3484364 (1969-12-01), Hemminger
patent: 3617472 (1971-11-01), Schlinger
patent: 4127469 (1978-11-01), Young
patent: 4159241 (1979-06-01), Simo

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