Process for improving low quality coal

Details Process for improving low quality coal Process for improving low quality coal

1983-02-16

1985-04-02

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 1G, 44 10L, C10L 508

Patent

active

045085390

ABSTRACT:
A process for improving low quality coal is disclosed, comprising subjecting a crushed low quality coal to a press treatment and a heat treatment. The process of the invention permits the production of improved coal from low quality coal, said improved coal having a high mechanical strength and a high density, and so forth, which realize the ease of handling in storage and transportation without a danger of spontaneous combustion.

REFERENCES:
patent: 3592617 (1971-07-01), Alpan et al.
patent: 3980447 (1976-09-01), Franke et al.
Handbook of Briquetting by Franke, vol. I, J. B. Lippincott Co., Philadelphia, 1917, pp. 279, 280.

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