Sellers of ultra low sulphur, calcined petroleum coke from
The raw coke directly out of coker is called green petcoke (GPC), green meaning unprocessed. This type of petcoke is called fuel grade petroleum coke and has higher sulphur content. The further processing of green petroleum coke by calcining produces Calcined Petcoke (CPC). This grade is used in the aluminum, steel and titanium smelting industry.