Antimony Production Prosses In Iran

The process mainly used is based on sulfide concentrates roasting which is then followed by antimony oxide reduction with a carboncontaining reducing agent 2Sb 2 S 3 9O 2 2Sb 2 O 3 6SO 2 1 Sb 2 O 3 3C 2Sb 3CO 2 The rough antimony is refined from the impurities to give the branded metal