Metallurgical coke | Source: Ming Shan

Metallurgical coke is a solid, porous, high-carbon material produced by the destructive distillation (carbonization) of low-ash, low-sulphur bituminous coal (coking coal) at temperatures of 900–1,100°C in the absence of air. During carbonization, volatile matter is driven off, leaving behind a fused, cellular carbon structure with high mechanical strength and thermal stability. The residue obtained from carbonizing non-coking coals such as sub-bituminous coal, lignite (brown coal), or anthracite is distinct and is referred to as char.

Read the detailed metallurgical coal profile here.

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