Calcined petroleum coke (CPC) yog ib daim ntawv siab-purity ntawm carbon uas yog tsim los ntawm thermal kho (calcining) ntawm ntsuab petroleum coke (GPC), uas nws tus kheej yog ib tug byproduct ntawm roj refining. Cov txheej txheem ntawm calcination suav nrog cua sov cov roj av coke rau qhov kub siab (feem ntau nyob ib ncig ntawm 1200 txog 1400 degrees Celsius) thaum tsis muaj huab cua, uas ua rau cov khoom tsis hloov pauv, ua rau cov khoom siv roj carbon ntau ntom ntom.
CPC paub txog nws cov ntsiab lus carbon siab (feem ntau nyob ib ncig ntawm 98-99%) thiab qis qis ntawm impurities, ua rau nws yog ib qho tseem ceeb raw khoom nyob rau hauv ntau yam kev lag luam kev siv.
