A different face of coal than that seen by miners. Focusses on the conversion of coal to a liquid and the clean utilization of coal. Among topics discussed are surface phenomena involved in the beneficiation processes, flotation and spherical agglomeration, the modification of coal-fluid interfaces, coal dust and control technology, and mineral removal from coal-derived liquids. Over 150 diagrams, tables, and photographs. Annotation copyright Book News, Inc. Portland, Or.