Pet Coke Coal Vertical Mill
Coke (fuel) ikipedia. Coke is a fuel with a high carbon content and few impurities, usually made from coal It is the ... The form known as petroleum coke, or pet coke, is derived from oil refinery coker units or other cracking processes. .... around 1817 at Isaac Meason's Plumsock puddling furnace and rolling mill in Fayette County, Pennsylvania.