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Sulfatization of manganiferous carbonate slates in a fluidized bed reactor
Differential sulfatizing process for the recovery of ferrograde manganese
Sulfatization of manganese minerals and selected gangue materials
Magnetic roasting of iron ores with ferrous scrap
Reduction roasting of steep rock iron-bearing materials
Reduction roasting of nonmagnetic taconites with automobile scrap
Selective oxidation of automobile scrap
Kinetics of CO reduction of hematite to magnetite and the effect of silica