Innovative Methodology for Sulfur Release from Copper Tailings by the Oxidation Roasting Process

Table 1

Chemical composition of the copper tailings (wt. %).

Components	Fe2O3	SO3	SiO2	Al2O3	Na2O	ZnO	CaO	K2O	MgO	TiO2	CuO	P2O5	Co3O4	PbO	ZrO2	MnO	SrO	Total
Content	36.35	27.82	22.81	6.03	2.12	1.61	1.16	0.93	0.47	0.25	0.22	0.10	0.05	0.03	0.02	0.02	0.01	100%