Coke types: petcoke, metallurgical coke, calcinated petcoke, needle coke

Coke is a solid, high-carbon fuel and industrial reductant produced by the thermal treatment of carbonaceous feedstocks — primarily coal or petroleum — in the absence of air, a process known as destructive distillation or carbonisation. The process drives off volatile matter (water, hydrocarbons, tar, and gases), leaving behind a dense, porous carbon mass with a carbon content typically ranging from 85% to over 99% depending on the type and degree of processing.​

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