Enhanced removal of nitrogen and sulfur from oil-shale

Details Enhanced removal of nitrogen and sulfur from oil-shale Enhanced removal of nitrogen and sulfur from oil-shale

1982-12-27

1984-02-14

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 100

Patent

active

044315112

ABSTRACT:
Disclosed is a method for enhancing the removal of nitrogen, sulfur, or both from oil-shale. The oil-shale is treated with either (i) steam at a temperature from about 250.degree. C. to about 350.degree. C. to remove nitrogen; or (ii) water at a temperature from about 200.degree. C. to about 350.degree. C. to remove both nitrogen and sulfur.

REFERENCES:
patent: 1674420 (1928-06-01), Trumble
patent: 1958918 (1934-05-01), Karrick
patent: 2435746 (1948-02-01), Jones
patent: 3051644 (1962-08-01), Friedman et al.
patent: 3118746 (1964-01-01), Stratford
patent: 4166022 (1979-08-01), Tsai

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