Direct formation of lanthanide trichloride from lanthanide oxide

In a pyrochemical process, uranium dioxide, actinide dioxide, and lanthanide oxide have been converted to their trichloride forms for their dissolutions and electrodepositions. However, we reported that the lanthanide oxides such as Nd2O₃, Gd2O₃, etc. are not fully reduced to their metallic form during an electro-reduction process so that the lanthanide elements may not be dissolved during an electro-refining process. In this work, in order to fully dissolve the lanthanide oxide into molten salt, we studied its direct dissolving method as the form of the lanthanide trichloride and report the results in the conference. In this work, we reported that lanthanide trichlorides can be directly formed from lanthanide oxide by the addition of NH4Cl. The color of the transparent sky blue of the melt and CV results indicated that the NdCl₃ was successfully formed in the LiCl-KCl. In the conference, we report the results that are concerning the other lanthanide elements as well