Preparation of Cementitious Material Using Smelting Slag and Tailings and the Solidification and Leaching of Pb²⁺

Table 1

Chemical composition of raw materials/%.

Composition	CaO	SiO2	Al2O3	MgO	Fe2O3	MnO	K2O	TiO2	FeO	Pb	Zn	Na2O	S	LOI
Gangue	2.19	69.92	10.41	1.39	1.89	0.51	2.17	0.57	5.38	0.17	0.12	0.51	0.55	3.68
Smelting slag	13.54	27.72	11.32	6.12	1.69	1.79	1.12	0.6	25.28	0.92	3.2	3.25	2.15	0.57