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Chlorination of UO$$_{2}$$, PuO$$_{2}$$ and rare earth oxides using ZrCl$$_{4}$$ in LiCl-KCl eutectic melt

Sakamura, Yoshiharu*; Inoue, Tadashi*; Iwai, Takashi; Moriyama, Hirotake*

A new chlorination method using ZrCl$$_{4}$$ in a molten salt has been investigated for the pyrometallurgical reprocessing of spent oxide fuels. UO$$_{2}$$, PuO$$_{2}$$ and rare earth oxides(La$$_{2}$$O$$_{3}$$, CeO$$_{2}$$, Nd$$_{2}$$O$$_{3}$$ and Y$$_{2}$$O$$_{3}$$) were allowed to react with ZrCl$$_{4}$$ in a LiCl-KCl eutectic salt at 500$$^{circ}$$C to give a metal chloride solution and a precipitate of ZrO$$_{2}$$. By keeping the system quite still, the solution settled so that the ZrO$$_{2}$$ precipitate could be separated.



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Category:Materials Science, Multidisciplinary



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