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Bigger markets mean more preparation for lignite and subbituminous coal.
Ellman RC; Belter JW
Min Eng 1970 Mar; 22(3):47-50
Present and future preparation of western fuels is described and physical characteristics of these fuels discussed. Substantial improvements in quality can be achieved if processes being studied are commercially feasible and economically attractive.
OP; Journal Article
Issue of Publication
Page last reviewed: December 23, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division