Process for improving coal

Details Process for improving coal Process for improving coal

1974-03-25

1976-02-17

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 1C, C10L 902

Patent

active

039389669

ABSTRACT:
A process for improving coal wherein the raw coal is reacted with substantially undecomposed iron carbonyl which alters the apparent magnetic susceptibility of certain impurity components contained in the raw coal thereby permitting their removal by low intensity magnetic separators. The process is especially effective for removing pyrite from coal, while at the same time reducing ash and increasing the calorific value.

REFERENCES:
patent: 3348932 (1967-10-01), Kukin
patent: 3595965 (1971-07-01), Franz et al.
patent: 3736233 (1973-05-01), Sass et al.

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