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Asked by Atith Adhikari · 2 years ago

Differentiate: roasting and calcination

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Arpit Sundas Arpit Sundas · 1 year ago
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Solution

Differences between roasting and calcination are:

RoastingCalcination
  • Roasting is the heating of a metal ore in the presence of excess oxygen.
  • Calcination is the heating of a metal ore in the absence or presence of limited oxygen.
  • It is done for sulphide ores.
  • It is done for carbonate ores.
  • \(\rm SO_{2}\) gas is released and metal oxide is obtained.
  •  \(\rm CO_{2}\) gas is released and metal oxide is obtained.
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