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  4. The extraction of which of the following metals involves bessemerisation?

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Q. The extraction of which of the following metals involves bessemerisation?

ManipalManipal 2005General Principles and Processes of Isolation of Elements

Solution:

Copper metallurgy involves bessemerisation. In Bessemer convertor the impurities of ferric oxide forms slag with silica and copper oxide is reduced to give blister copper.
$ FeO+SiO_2 \to \underset{\text{slag}}{FeSIO_3}$
$Cu_2S + 2Cu_2O \to 6Cu + SO_2$