[2K10-12] Recovery of U, Pu, Th

[2K10] Thermostability of Cyclic Urea Derivatives for Selective Precipitation of Uranium(VI)

*Keisuke Nishimura¹, Tomoya Suzuki², Masanobu Nogami¹, Yasuhisa Ikeda² (1. Graduate School of Science and Engineering Research, Kindai University, 2. Laboratory for Advanced Nuclear Energy, Tokyo Institute of Technology)

Keywords:Uranium, Reprocessing, Precipitation, Urea, Thermostability

Thermostability of cyclic urea derivatives, DMPU and PU, which are candidate precipitants for uranium(VI) in nitric acid media was investigated.