Methods of cleaning coal

Details Methods of cleaning coal Methods of cleaning coal

1980-12-22

1984-07-24

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

431 2, C10L 902

Patent

active

044616252

ABSTRACT:
Methods of and apparatus for cleaning coal in which halogenated hydrocarbons are used as parting liquids. Various novel techniques, components, and combinations thereof are employed to maximize efficiency; to minimize costs and adverse environmental impacts; to make it possible to recover coal of a character which has heretofore been economically unrecoverable; to produce a superior product; and to reach other worthwhile goals.

REFERENCES:
patent: 4226601 (1980-10-01), Smith

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