Oil shale retorting process

Details Oil shale retorting process Oil shale retorting process

1977-08-22

1978-11-28

Levine, Herbert

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 20, 208253, C10G 102

Patent

active

041274695

ABSTRACT:
The concentration of arsenic in shale oil produced from retorting arsenic-containing oil shale in a conventional retorting kiln is reduced by blending with said oil shale a nickel-containing additive. During retorting, the amount of arsenic released in vaporous form from the oil shale is reduced, thereby decreasing the amount of arsenic which collects with the produced liquid shale oil. Thus, a shale oil is produced having a significantly lower arsenic content than is obtainable without the use of the nickel additive.

REFERENCES:
patent: 1773839 (1930-08-01), Zieley
patent: 3804750 (1974-04-01), Myers et al.

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