Calcined Petroleum Coke (CPC) is a high-purity carbon material produced by heating green petroleum coke at elevated temperatures to remove moisture, volatile matter, and impurities. It is widely used in cathodic protection systems as a carbonaceous backfill around impressed current anodes to enhance current distribution and reduce anode-to-earth resistance. With its high electrical conductivity, chemical stability, and excellent porosity, CPC ensures efficient current discharge and long-term system performance. It is also used in metallurgical processes, aluminum smelting, and steel industries due to its superior carbon content and low ash properties.

