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blast furnace

Blast Furnace  
Part of the National cirriculum

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Smelting furnace used to extract metals from their ores, chiefly pig iron from iron ore. The temperature is raised by the injection of an air blast.

In the extraction of iron the ingredients of the furnace are iron ore (iron(III) oxide), coke (carbon), and limestone (calcium carbonate). The coke is the fuel and provides the agent (carbon monoxide) for the reduction of the iron ore.

© RM 2009. Helicon Publishing is division of RM.


 
 

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