Hoʻopilikia ʻia ke kumukūʻai o ka carburizer coke sulfur haʻahaʻa e ka koi o ka lalo o ka mākeke.ʻO ke kiʻekiʻe o ke koi o ka mākeke, ʻoi aku ka kiʻekiʻe o ke kumukūʻai, a ʻoi aku ka haʻahaʻa o ke kumukūʻai.

No ka hana ʻana i ka coke calcined haʻahaʻa haʻahaʻa, he mea nui nā mea maka.Inā calcined ʻia ka coke ʻaila haʻahaʻa haʻahaʻa ma 1250 ℃ no ka liʻiliʻi o 48 mau hola, ua hoʻopau ʻia nā mea haumia e like me ka wai, ka lehu a me nā mea volatile i loko o ka petroleum coke, no laila ua pili pū ke kumukūʻai o ka carburizer coke haʻahaʻa-sulfur calcined i ke kumukūʻai o mea maka.