Question

Characteristics of bituminous

Answer 1

Bituminous coal contains moisture up to approximately 17 percent. About 0.5 to 2 percent of the weight of bituminous coal is nitrogen. Its fixed carbon content ranges up to approximately 85 percent, with ash content up to 12 percent by weight.
Bituminous coal can be categorized further by the level of volatile matter it contains high-volatile A, B, and C, medium-volatile, and low-volatile. Volatile matter includes any material that is liberated from the coal at high temperature. In the case of coal, volatile matter may include sulfur and hydrocarbons.