Product Description
When used for many industrial processes, bituminous coal must first be "coked" to remove volatile components. Coking is achieved by heating the coal in the absence of oxygen, which drives off volatile hydrocarbons such as propane, benzene and other aromatic hydrocarbons, and some sulphur gases. This also drives off a considerable amount of the contained water of the bituminous coal.
Coking coal is used in the manufacture of steel, where carbon must be as volatile-free and ash-free as possible.
Coking coal is heated to produce coke, a hard, grey, porous material which is used to blast in furnaces for the extraction of iron from the iron ore.
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