METHOD FOR TREATING ARSENIC

摘要

PROBLEM TO BE SOLVED: To provide a method for treating arsenic capable of treating arsenic included in arsenic-containing copper ore into a stable form capable of withstanding storage and preservation over a long period.SOLUTION: Provided is a method for treating arsenic comprising: a roasting step of roasting arsenic-containing copper ore in an inert gas atmosphere and separating the same into copper pyrite and an arsenic sulfide-containing volatile matter; and a heat treating step of adding sulfur and an age resister to the volatile matter obtained in the roasting step, thereafter heat-treating the same in an inert gas atmosphere and dissolving the arsenic sulfide in the volatile matter.