Fuels and Combustion
As the equilibrium moisture content of the coal increases, its

Swelling number decreases
Swelling number increases
Bulk density decreases
Calorific value increases

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Fuels and Combustion
Anthracite coal

Is essentially a coking coal
Contains more volatile matter than bituminous coal
Burns with short, bluish, yellow-tipped flame producing very little smoke
Ignites more easily than bituminous coal

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