Process for reducing the water content of coal containing bound

Details Process for reducing the water content of coal containing bound Process for reducing the water content of coal containing bound

1982-04-26

1983-08-23

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 1G, 44 6, C10L 902

Patent

active

044001762

ABSTRACT:
An improved process for reducing the water content of coal containing bound water by releasing at least a portion of the bound water by maintaining the coal at a temperature from about 220.degree. to about 500.degree. F. in the presence of water at a pressure sufficient to maintain at least a portion of the water in a liquid phase for a time sufficient to release at least a portion of the bound water wherein the improvement comprises contacting the coal during such treatment with an acidic material selected from the group consisting of carboxylic organic acids containing up to about 6 carbon atoms, phenol, phenolic acids and inorganic acids.

REFERENCES:
patent: 1748335 (1930-02-01), Farley et al.
patent: 2922705 (1960-01-01), Dohmen

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