differentiate between calcinations and rousting
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Roasting is the process in which the ore is heated below its melting point in presence of air to oxidize the impurities. Calcination is the process of heating the ore below its melting point an absence of air to remove volatile impurities like arsenic etc.
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Calcination And Roasting - What Is Calcination And Roasting Roasting involves heating of ore lower than its melting point in the presence of air or oxygen. Calcination involves thermal decomposition of carbonate ores. Roasting is carried out mostly for sulfide minerals. During calcination, moisture is driven out from an ore.
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