Module 2: Mineral processing, Unit processes
  Lecture 16: Material balance in roasting
 



Problem

Ore concentrate of the composition  and gangue is roasted with oxygen (derived from air). is  excess. In the concentrate all  is in form of  and sulphur also forms pyrite. Calculate per 1000 Kg concentrate

  1. Amount of  and gangue in concentrate
  2. Theoretical amount of oxygen
  3. Actual amount of air
  4. Volume of  and amount of .

Answer

  1.  and
  4.  and