[2A14-17] Stabilization and Immobilization 2

[2A15] Study of low temperature solidification
of radioactive waste liquid by freeze drying method

*AKIHIKO KAJINAMI¹, SOU WATANABE² (1. Faculty of Engineering, Kobe University, 2. Japan Atomic Energy Agency)

Keywords:freeze drying method, high-level radioactive liquid waste, solidification

Al₂O₃-SiO₂ gel and Fe₂O₃-SiO₂ gel were prepared by dry-freezing method. The gels containing simulated high-level radioactive liquid waste (HLLW) were also preoared. The chemical stability and the structure were investigated.