Pyrite removal from coal

Details Pyrite removal from coal Pyrite removal from coal

1980-03-05

1982-04-13

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

201 17, 209172, 241 20, C10L 902

Patent

active

043245609

ABSTRACT:
Pyrite is removed from coal by crushing, air classification and organic heavy medium separation. A superior method is taught wherein only a fraction of the total coal treated need be treated with organic media separation.

REFERENCES:
patent: 3252769 (1966-05-01), Nagelvoort
patent: 3540662 (1970-11-01), Abel et al.
patent: 4076505 (1978-02-01), Dessau
patent: 4081251 (1978-03-01), Colli

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