Iron And Steel Slagiron And Steel Slag Reforming Method And Iron And Steel Slag

Abstract: [Problem] The purpose of the present invention is to provide: an iron and steel slag modification method which is capable of modifying iron and steel slag so that a specific mineral phase of the iron and steel slag contains a rare earth element-enriched phase, wherein a rare earth element is concentrated, when the rare earth element in the iron and steel slag is recovered; and iron and steel slag which has a rare earth element-enriched phase. [Solution] An iron and steel slag modification method which comprises a step for melting iron and steel slag that contains a rare earth element, and a step for adding a phosphate to the iron and steel slag; and iron and steel slag which has a rare earth element-enriched phase.

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