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Extraction Of Iron

 

Extraction of Iron:
Iron metal is generally extracted from its oxide ores by reducing them with carbon in the form of coal or coke.
The reduction of the iron ore (an oxide of iron) is carried out in a blast furnace. The charge consisting of roasted ore, coke and limestone is fed into the top of the furnace. A preheated blast of air at about 1500oC, is blown into the furnace under the pressure near to the bottom. The blast oxidizes the coke to carbon dioxide.

 

The reaction is highly exothermic. Considerable heat is liberated which raises the temperature to about 1900oC in this region. As the carbon dioxide passes upwards, it reacts with more coke to form carbon monoxide.


 

 

 

 

 

 

 

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