Table 2: Chemical composition of the charge constituents.

ConstituentsChemical composition, mass content in %
Calcinated dolomiteFluorsparRare earth metalsLimestoneQuartziteBauxiteFeSiAl

SiO21.412.63.88956.43
Fe2O31.450.350.50.2
CaO62.4151.78
MgO33.610.60.3
L.O.I. at 1000°C0.4341.3
Al2O312.40.82.585
Na2O11.64
K2O0.35
CaF282
CaCO32.2
P2O30.01
CeO2/ReO45
Fe0.0050.340.1423.3
Pb0.001
P2O50.001
SO30.03
FeO1.8
C0.09
S0.003
P0.031
Al1.4199
Ca0.31
Si74.8