MetallurgyHard
Question
The chemical process in the production of steel from haematit ore involve :
Options
A.reduction
B.oxidation
C.reduction followed by oxidation
D.oxidation followed by reduction
Solution
The FeO present in haematite ore or obtained during roasting is first oxidised to Fe2O3 and Fe2O3 is reduced finally to Fe.
2FeO +
O2 
Fe2O3 (osidation during roasting)
Reduction, upper most part of blast furnace.
2FeO +
O2 Fe2O3 (osidation during roasting)Reduction, upper most part of blast furnace.
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