Abstract

Salt wastes containing halides from the molten salt reactor system are unstable during storage. These waste should be immobilized. In this paper, a glass–ceramic wasteform containing SrF2 is prepared from iron phosphate glass and fluorapatite (FAP) ceramic powder by a two-step sintering process. The results of XRD and SEM showed that main crystalline phase in samples is fluorapatite with Sr, and a large number of amorphous phase wrapped around the FAP. The result of product consistency test showed that the glass–ceramic sample has a good leaching resistance for wasteform long-term storage.

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