Table 3: Concentrations (wt %) of target compounds and elements in magnetic and non-magnetic concentrates of BA and FA.

BA
0.1-0.2 mm
FA >0.1 mm
Non-magnetic Magnetic Non-magnetic Magnetic
Na2O 0.20 0.22 0.29 0.28
MgO 1.12 1.59 1.47 1.45
Al2O3 24.45 21.38 25.65 25.56
SiO2 46.06 36.03 44.6 44.28
P2O5 0.186 0.120 0.350 0.353
K2O 1.89 1.27 1.65 1.60
CaO 13.18 4.05 10.77 10.58
TiO2 1.55 0.90 1.93 1.90
MnO 0.060 0.313 0.143 0.149
Fe2O3 2.98 28.59 5.62 6.28
SO3 5.60 1.37 4.01 3.77
As 0.0205 0.0145 0.0517 0.0575

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