CHLORINATION OF IRON SULFIDES TO PRODUCE FERRIC CHLORIDE AND SUBSEQUENT OXIDATION TO PRODUCE IRON OXIDE AND CHLORINE

摘要

A process for decomposing iron sulfides in which finely ground iron sulfide is chlorinated with five to eight times the stoichiometrically required amount of liquid S2Cl2 containing dissolved elemental sulfur. After the chlorination, the solid material rich in ferric chloride is removed by decantation, filtration, etc., and the liquid consisting of excess S2Cl2 with elemental sulfur dissolved therein is cooled to crystallize out some of the elemental sulfur.