Coal briquetting methods

Details Coal briquetting methods Coal briquetting methods

1979-01-15

1980-09-23

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 15A;24, C10L 500, C10L 540

Patent

active

042240395

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: 1562876 (1925-11-01), Edser et al.
patent: 2769538 (1956-11-01), Reerink et al.
patent: 3027306 (1962-03-01), Muschenborn et al.
patent: 3637464 (1972-01-01), Walsh et al.
patent: 3775070 (1973-11-01), Messer et al.
patent: 4076505 (1978-02-01), Dessau

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