How blister copper is obtained by bessemerisation process?
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The air is blown through the molten matte. Blast of air converts Cu2S partly into Cu2O which reacts with remaining Cu2S to give molten copper. Thecopper so obtained is called "Blister copper" because, as it solidifies, SO2 hidden in it escapes out producingblister on its surface. Blister copper is 99% pure.
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