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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 in to Silica lined convertor. Some silica is also added and hot air blast is blown to convert remaining `FeS, FeO & Cu_(2)S//Cu_(2)O` to metalic copper.
`2FeS+3O_(2)rarr 2FeO+2SO_(2)`
`FeO+SiO_(2)rarr FeSiO_(3)`
`2Cu_(2)S+3O_(2)rarr2Cu_(2)O+2SO_(2)`
`2Cu_(2)O+Cu_(2)Srarr 6Cu+SO_(2)`
The solidified copper obtained has blistered appearance due to the evolution of `SO_(2)`.
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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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