Question

what is the reaction of refining iron in calcination process?

Answer 1

Heya,

The reaction is THERMAL DECOMPOSITION REACTION.

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Answer 2

hello friend ..☺

here is your answer ..

#Calcination. The concentrated are is heated strongly in the presence of air. This is called calcination. During calcination following changes take place:

Moisture is driven out.Sulphur, arsenic and phosphorus impurities are expelled as their volatile oxides.Carbonate are changes into oxide are.

FeCO3  →  FeO + CO2

Ferrous oxide changes into ferric oxide.

4FeO + O2    -------->    2Fe2O3
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