Synthesis of Fe-MCM-41 Using Iron Ore Tailings as the Silicon and Iron Source

Table 1

Chemical composition of iron ore tailings (IOT).

Compound	SiO2	Fe2O3	Al2O3	CaO	MnO	TiO2
Content (wt%)	82.26	14.37	0.8	0.57	0.034	0.016
IOT (mol/100 g)	1.371	0.090	0.008	0.010	<0.001	<0.001