Coating agent for inhibiting oxidation of sulfide mineral and Method for coating the sulfide mineral using the same

摘要

The present invention is intended to prevent oxidation of a waste stone or ore by causing it to be applied to a waste lime or mine tail that is capable of generating acidic drainage to form an inert film. The coating composition according to the present invention is a coating composition for preventing the oxidation of sulfide minerals by covering the surface of iron sulfide minerals. The coating composition comprises an oxidizing agent for generating trivalent iron by oxidizing the sulfide minerals, And a pH fixing agent for maintaining the pH of the silicate solution within a predetermined range. The pH adjusting agent is added to the silicate solution so as to form a silicate on the surface of the sulfide mineral.