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Electrolytic Reduction Characteristics of Titanium Oxides in a LiCl-Li2O Molten Salt

LiCl-Li2O 용융염에서 타이타늄 산화물의 전해환원 특성

Lee, Jeong;Kim, Sung-Wook;Lee, Sang-Kwon;Hur, Jin-Mok;Choi, Eun-Young
이정;김성욱;이상권;허진목;최은영

  • Received : 2015.07.29
  • Accepted : 2015.09.01
  • Published : 2015.11.30

Abstract

Experiments using a metal oxide of a non-nuclear material as a fuel are very useful to develop a new electrolytic reducer for pyroprocessing. In this study, the titanium oxides (TiO and $TiO_2$) were selected and investigated as the non-nuclear fuel for the electrolytic reduction. The immersion tests of TiO and $TiO_2$ in a molten 1.0 wt.% $Li_2O$-LiCl salt revealed that they have solubility of 156 and 2100 ppm, respectively. Then, the Ti metals were successfully produced after the separate electrolytic reduction of TiO and $TiO_2$ in a molten 1.0 wt.% $Li_2O$-LiCl salt. However, Ti was detected on the platinum anode used for the electrolytic reduction of $TiO_2$ unlike TiO due to the dissolution of $TiO_2$ into the salt.

Keywords

titanium oxide;electrolytic reduction;LiCl;molten salt

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Acknowledgement

Supported by : 한국연구재단