Stable coal-water suspensions and their preparation

Details Stable coal-water suspensions and their preparation Stable coal-water suspensions and their preparation

1981-11-02

1984-03-06

Kittle, John E.

Compositions

Water-softening or purifying or scale-inhibiting agents

252134, 252164, 2523635, 44 51, C10L 132

Patent

active

044353065

ABSTRACT:
A non-settling, coal-water slurry stabilized with an alkali metal soap of a fatty acid. The soap stabilizing agent is preferably prepared by saponification of a fat or fatty oil of either animal or vegetable origin and is diluted with water to the desired concentration without separation of by-products such as glycerine. Thereafter, pulverized coal is added with mixing to form a pumpable slurry which is non-settling at temperatures below the soap gel point.

REFERENCES:
patent: 2668757 (1954-02-01), Hansley
patent: 3342733 (1967-09-01), Robbins
patent: 3762887 (1973-10-01), Clancey
patent: 3996026 (1976-12-01), Cole
patent: 4164472 (1979-08-01), Cheng et al.
patent: 4309191 (1982-01-01), Hiroya
Tyler Standard Screen Scale Sieves, Handbook of Chemistry and Physics, p. 3402, 43rd Ed., The Chemical Rubber Pub. Co., Cleveland, Ohio.
Fatty Acids in Soap Oils, Soaps and Detergents, E. G. Thomssen, pp. 4-82, MacNair-Dorland Company, New York, 1949.

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