Reactions used in Creating Iron
Sunday 7 April 2013
Creating Iron
To get iron, we first need to create coal coke. This is done by burning coal in the absence of air.
The coal coke is then burnt with oxygen to make carbon dioxide:
Carbon+Oxygen -> Carbon Dioxide,
C+O2 -> CO2.
The carbon dioxide is then burnt with more coal coke to get Carbon Monoxide:
Carbon Dioxide+Carbon -> Carbon Monoxide,
CO2+C -> 2CO.
The carbon monoxide is now used to reduce the iron ore (Haemotite/Iron III Oxide):
Carbon Monoxide+Haemotite -> Iron+Carbon Monoxide,
Fe2O3+3CO -> 2Fe+3CO2.
The carbon dioxide is reused to create more carbon monoxide, ant the process continues. The iron ore can be burnt with coal coke to get iron in the following reaction with the coal coke being the reducing agent instead of carbon monoxide:
Coal Coke+Haemotite -> Iron+Carbon Monoxide,
2Fe2O3+3C -> 4Fe+3CO2.
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