Alkaline Activation of Basic Oxygen Furnace Slag Modified Gold Mine Tailings for Building Material

Table 1

Elemental analysis of GMT and BOFS.

Component (mass %)	GMT	BOFS
SiO2	57.9	10.2
Al2O3	12.2	3.96
Fe2O3	10.4	29.6
CaO	5.52	46.0
MgO	4.63	3.30
K2O	4.14	0.069
SO3	2.59	0.819
MnO	0.243	4.23
TiO2	0.705	0.337
As2O3	0.517	—
Na2O	0.500	0.161
Cr2O3	0.266	0.338
P2O5	0.071	0.799
NiO	0.061	0.015
V2O5	0.038	0.127
ZrO2	0.023	0.008
Rb2O	0.018	—
As2O3	0.018	—
Cl	0.016	0.032
ZnO	0.015	—
CuO	0.013	—
ZrO2	—	0.009
Nb2O5	—	0.019