Nkà na ụzụ
A na-eme usoro carbon a na-arụ ọrụ site na coal.
The A na-arụzu usoro carbon arụ ọrụ site na iji otu ngwakọta nke usoro ndị a:
1.) Carbonization: Ihe nwere carbon ọdịnaya bụ pyrolyzed na okpomọkụ na nso nke 600-900 ℃, na-enweghị oxygen (na-emekarị na inert ikuku na gas dị ka argon ma ọ bụ nitrogen).
2.) Ịgbalite / Oxidation: A na-ekpughe ihe ndị na-emepụta ihe ma ọ bụ carbonized na ikuku oxidizing (carbon monoxide, oxygen, ma ọ bụ uzuoku) na okpomọkụ n'elu 250 ℃, na-emekarị na okpomọkụ nke 600-1200 ℃.