Process to remove iron sulfide from coal to reduce pollution

Details Process to remove iron sulfide from coal to reduce pollution Process to remove iron sulfide from coal to reduce pollution

1976-10-01

1978-03-28

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 1G, C10L 910

Patent

active

040812510

ABSTRACT:
A method for reducing the amount of sulfur present in coal which comprises rinding the coal to less than 100 microns, physically separating the fine coal rich fraction from the coarse pyrite rich coal fraction, diluting the coarse pyrite rich coal fraction with a liquid hydrocarbon carrier and then separating the high pyrite coal from the low coarse pyrite coal by passing the particles through a magnetic separator.

REFERENCES:
patent: 1420164 (1922-06-01), Trent
patent: 3160496 (1964-12-01), Vaccari et al.
patent: 3938966 (1976-02-01), Kindig et al.

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