Subbituminous coal - A coal whose properties range from those of
lignite to those of
bituminous coal and used primarily as
fuel for
steam-electric power
generation. It may be dull, dark brown to black, soft and crumbly, at the lower end of the range, to bright, jet black, hard, and relatively strong, at the upper end.
Subbituminous coal contains 20 to 30 percent inherent
moisture by
weight. The heat content of subbituminous coal ranges from 17 to 24 million Btu per ton on a moist,
mineral -matter-free basis. .
Ref: 120704/2006-10-01
Other Database Pages Exist for this Phrase:
Coal (Coal is formed from plant and animal matter that ...)
Bituminous coal (A Bituminous coal is a dense, black, soft coal, ...)
Bituminous coal (Bituminous coal is characterized as a dense coal ...)
Coal (Coal refers to a combustible black or brownish ...)
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