[3B01-05] Nuclide Separation and Adsorption/Extraction Separetion 1

[3B05] Development of Selective Adsorption and Separation Method of Platinum Group Metals from High-level Radioactive Liquid Waste

(1)Adsorption and Separation behavior of Sulfur-containing Amide Acid-functionalized Silica Adsorbent

*Naoki Osawa^1,2, Tatsuya Ito¹, Seong-Yun Kim¹ (1. Tohoku University, 2. Japan Nuclear Fuel Limited)

Keywords:High-level radioactive liquid waste, Platinum Group Metals, Separation behavior, Sulfur-containing Amide Acid-functionalized Silica Adsorbent

高レベル放射性廃液中に含まれる白金族元素を選択的に吸着・分離するため、シリカゲル担体に硫黄含有アミド酸型配位子を導入した吸着材を調製し、模擬廃液中に含まれる白金族元素の吸着・分離特性について評価した。