Process for improving coal

Details Process for improving coal Process for improving coal

1977-01-31

1978-10-10

Dees, Carl

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

201 17, C10L 910, C10B 5700

Patent

active

041194101

ABSTRACT:
In a process for improving coal containing elemental sulfur wherein the coal is treated with a metal containing compound in order to enhance the magnetic susceptibility of various impurities contained within the coal thereby permitting their removal by magnetic separation, the improvement comprising removing at least a portion of the elemental sulfur prior to performing the magnetic susceptibility enhancement treatment.

REFERENCES:
patent: 3938966 (1976-02-01), Kindig et al.
patent: 4052170 (1977-10-01), Yan

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