Method for reducing caking property of coal

Details Method for reducing caking property of coal Method for reducing caking property of coal

1979-11-29

1981-07-14

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

C10L 500

Patent

active

042784425

ABSTRACT:
A method for reducing the caking property of coal, by contacting coal with sulfur dioxide in an amount at least 0.5 times the amount of the coal on a weight basis, at a temperature of at least 120.degree. C. under a pressure of at least 10 Kg/cm.sup.2, and separating the treated coal from the sulfur dioxide, whereby to reduce the caking property of the coal and to render the coal more easily pulverizable.

REFERENCES:
patent: 2336154 (1943-12-01), Wolf
patent: 2739105 (1956-03-01), Ford et al.
patent: 3536589 (1970-10-01), Voet et al.
patent: 3870237 (1975-03-01), Aldrich
patent: 3998604 (1976-12-01), Hinkley
patent: 4018654 (1977-04-01), Johnson et al.
patent: 4120664 (1978-10-01), Gleim
patent: 4169710 (1979-10-01), Jensen
patent: 4198291 (1980-04-01), Yoo et al.

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