Question
What is Roasting?
Answer
Roasting is the process of heating ore strongly in the presence of excess of air. This process is used for concentration of sulphide ores. This process helps to remove volatile impurities of S, as and Bi as their oxides 2ZnS + 3O2 → 2ZnO + 2SO2
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Topicसंबंधित विषय
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