Theko ea coke carburizer e tlase ea sulphur calcined e angoa ke tlhoko ea 'maraka o tlase oa mmaraka.Ha tlhokahalo ea 'maraka e phahame, theko ea eona e phahame,' me theko e tla fokotseha.

E le ho hlahisa coke e nang le sebabole e tlaase ea calcined, lisebelisoa tse tala li bohlokoa haholo.Haeba coke e tlase ea sulfur petroleum coke e calcined ho 1250 ℃ bonyane lihora tse 48, litšila tse kang mongobo, molora le likarolo tse sa tsitsang tsa petroleum coke lia tlosoa, kahoo theko ea coke carburizer e tlaase-sulfur calcined e boetse e amana haufi-ufi le theko ea lisebelisoa tse so fetoloe.