Write the different reaction involved in blast furnace
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the different reaction involved in blast furnace:
(1) 3Fe2O3 + CO → 2Fe3O4 + CO2
(2) Fe3O4 + 4CO → 3Fe + 4CO2
(3) Fe2O3 + CO → 2Fe3 + CO2
The reactions taking place in the higher temperature range (900 - 1500 K) in the blast furnace are:
(4) C +CO2 → 2CO
(5) FeO + CO → Fe + CO2
The silicate impurity of the ore is removed as slag by calcium oxide (CaO), which is formed by the decomposition of limestone (CaCO3).
(6) CaCO3 → CaO + Co2
(7) CaO + SiO2 → CaSiO3
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reaction takes can take place at a normal temperature but in blast furnace reaction takes place at high temperature
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