Question

difference between roasting and calcination???????????

Answer 1

difference between roasting and calcination

Answer 2

hi!!

here is your answer:

Roasting:

1) this process done in presence of oxygen.

2)This method is applied for sulphide ores.

3) Sulphur dioxide is produced along with metal oxide.

4)Example: 2ZnS+3O2-->2 Zno+ 2SO2

Calcination:

1) this process is done in absence of oxygen.

2) This method is applied for carbonate ores.

3) Carbon dioxide is produced along with metal oxide.

4) example: ZnCO3--> ZNO+ C02