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Explain the process of obtaining "bliste...

Explain the process of obtaining "blister copper" from "copper matte" with equations.

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Copper matte is charged into silica lined convertor Some silica is also added and hot air blast is blown to convert the remaining `Fes, FeO and Cu_2s//Cu_2O` to the metallic copper.
Following reaction takes place:
`2FeS + 3O_2 to 2FeO + 2SO_2`
`FeO + SiO_2 to FeSiO_3`
`2Cu_2S + 3O_2 to 2Cu_2O + 2SO_2`
`2Cu_2 O + Cu_2S to 6Cu + SO_2`
The solidified copper obtained has blistered appearance due to the evolution of `SO_2` and so it is called blister copper.
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Knowledge Check

  • The composition of copper matte is

    A
    `Cu_2S+FeO`
    B
    `Cu_2S+FeS`
    C
    `Cu_2O+FeS`
    D
    `Cu_2S+Cu_2O`

  • The composition of copper matte is

    A
    `Cu_2S +FeO`
    B
    `Cu_2S+FeS`
    C
    `Cu_2O+FeS`
    D
    `Cu_2S +Cu_2O`

  • The composition of copper matte is

    A
    `CU_(2)S+ FeS`
    B
    `CU_(2)S+Cu_(2)O`
    C
    `Cu_(2)S+ FeO`
    D
    `Na_(2)AlO_(2)`

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