Graphitized Petrole Coke ikozwe muri kokiya ya peteroli yo mu rwego rwo hejuru munsi yubushyuhe bwa 2800ºC.Kandi, ikoreshwa cyane nkubwoko bwiza bwa recarburizer kugirango ikore ibyuma byujuje ubuziranenge, ibyuma bidasanzwe cyangwa izindi nganda zijyanye na metallurgjiya, kubera ibirimo karubone bihamye, ibirimo sulfure nkeya hamwe n’igipimo cyinshi cyo kwinjizamo.