High-purity graphitized petroleum coke (GPC) yog tsim los ntawm cov roj av zoo coke nyob rau hauv qhov kub ntawm 2,500-3,500 ° C. Raws li cov khoom siv high-purity carbon, nws muaj cov yam ntxwv ntawm cov ntsiab lus siab ruaj khov, tsis tshua muaj sulfur, tsis tshua muaj tshauv, tsis tshua muaj porosity thiab lwm yam.Nws tuaj yeem siv los ua cov pa roj carbon monoxide (Recarburizer) los tsim cov hlau zoo, cam khwb cia hlau thiab alloy.Nws kuj tseem siv tau rau hauv cov yas thiab roj hmab los ua cov khoom siv ntxiv.