2016 Annual Meeting

Presentation information

Oral Presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-1. Radioactive Waste Management

[1G01-05] Vitrification 1

Sat. Mar 26, 2016 10:40 AM - 12:00 PM Room G (Lecture Rooms B B203)

Chair: Kuniyoshi Hoshino (HGNE)

11:10 AM - 11:25 AM

[1G03] Development of Recovery Process of Platinum-group Metals from HLLW
for Stable Production and Volume Reduction of Homogeneous Vitrified Object

XAFS/UV-Vis spectroscopic and first-principles calculation studies both on the chemical form of Pd ion in nitric acid and on the adsorption of Pd ion to Prussian Blue nanoparticles.

*Shinta Watanabe1, Yuki Sawada1, Toshikazu Sato1, Masato Nakaya1, Masahito Yoshino1, Tomoko Yoshida2, Yusuke Inaba3, Hideharu Takahashi3, Kenji Takeshita3, Jun Onoe1 (1.Nagoya University, 2.Osaka City University, 3.Tokyo Institute of Technology)

Keywords:Palladium ion, Prussian Blue, first-principles calculation, absorption spectrum, adsorption property

フェロシアン化物を用いた白金族元素およびモリブデンの一括回収を目指す上で、白金族元素の硝酸溶液中での化学形態やフェロシアン化物への吸着機構を解明する必要がある。本研究では、プルシアンブルーナノ粒子へのPdイオンの吸着機構について分光実験と第一原理計算を用いて解析した。