Chemical Analyses and Physical Properties of 12 Coal ,
Know More331 Appalachian region and 509 bituminous coal samples_____ 18 6 Major-, minor-, and trace-element composition of 12 coal samples from ia and West ia on a whole-coal basis_____ 20 7 Arithmetic mean, observed range, geometric mean, and geometric deviation of 38 elements in 12 coal samples from ia and West...
What are the types of coal? - USGSgov
Know MoreBituminous: Bituminous coal is a middle rank coal between subbituminous and anthracite Bituminous usually has a high heating (Btu) value and is the most common type of coal used in electricity generation in the United Stat Bituminous coal appears shiny and smooth when you first ,...