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Manufacture Of Iron By Blast Furnace Process Iron is a naturally occurring element in its ore form (Haematite), however for iron to be of any use the impurities must be removed. This is done by a process involving a blast furnace. Extremely high temperature in the range of 870°C are reached within the blast furnace and this heat causes reactions to occur within the blast furnace that remove some of the impurities from the iron ore. The materials placed in the blast furnace are iron ore, coke and limestone. Coke is the reducing agent [substance that causes the substance it is reacting with to be reduced and in turn is oxidised], when hot air is blasted into the furnace it reacts with the coke to form carbon monoxide, this carbon monoxide then goes on to react with the iron oxides which are present in the iron ore to reduce [removal of...

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