Abstract
The feasibility of SHS immobilization of Cs in perovskite/zirconolite-based mineral-like ceramics has been explored by using a mixture non-radioactive model oxides imitating nuclear wastes. Resultant ceramics were obtained in the form of cylindrical blocks. It has been found that Cs can be completely immobilized (at 1250°C) in ceramic blocks as a synthetic analog of pollucite (CsAlSi2O6). The Cs distribution over synthesized ceramic blocks was found to be uniform. The process conditions were optimized, and the phase composition of synthesized ceramics was determined. The leach rates for Cs in bidistilled water at 20°C have been measured.
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Barinova, T.V., Borovinskaya, I.P., Ratnikov, V.I. et al. SHS immobilization of cesium in mineral-like matrices. Int. J Self-Propag. High-Temp. Synth. 16, 133–136 (2007). https://doi.org/10.3103/S1061386207030053
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DOI: https://doi.org/10.3103/S1061386207030053