Hiki ke hoʻokaʻawale ʻia ka coke petroleum calcined i loko o ka coke sulfur kiʻekiʻe, nona ka nui o ka sulfur ma mua o 3%, a me ka coke sulfur haʻahaʻa, nona ka nui o ka sulfur ma lalo o 3%. Hoʻohana nui ʻia ka coke petroleum calcined haʻahaʻa no ka hoʻoheheʻe ʻana i ka silicon ʻoihana a me ka hana ʻana i nā plastics anode. Hoʻohana nui ʻia ka coke sulfur kiʻekiʻe ma ke ʻano he wahie i nā hale hana sima a me nā hale hana mana.
