Increasing Coke Impurities – Is this Really a Problem for Metal Quality?

The History and Future Challenges of Calcined Petroleum Coke Production and Use in Aluminum Smelting

“…For some alloys, higher V levels may even be advantageous. 25,26 The situation with CPC S increases is similar to V, but less dramatic. Most smelters have a hard limit on SO 2 emissions, which typically sets an upper limit on the CPC S specification unless the smelter has the ability to scrub SO 2 from the baking furnace and potrooms.…”