Coal Washing Process Machine - healerskzn.co.za- coal washing is a common process ,A. Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch Read More Coal Washing, Magnetic Separation amp; ProcessingAppendix E: Coal Mining and Processing Methods | Coal ...Read chapter Appendix E: Coal Mining and Processing Methods: Coal will continue to provide a major portion of energy requirements in the United States for...