[3L06-10] 核種分離・回収技術2

[3L10] Selective Extraction of Soft Metal Ions in Nitric Acid Solution by a New Ionic Liquid including TPEN Structure

*Hao Wu¹, Yusuke Inaba¹, Kenji Takeshita¹ (1. Advanced Nuclear Fuel Cycle Unit, Institute of Innovative Research, Tokyo Tech)

キーワード：hydrophobic, ionic liquid, TPEN structure, Cd2+

A novel hydrophobic ionic liquid including TPEN structure ((IL-TPEN)⁺NTf₂^-) was successfully synthesized and its extraction behavior of Cd²⁺ and Zn²⁺ from nitric acid solution was investigated. The maximum separation factor of Cd²⁺ and Zn²⁺ was obtained as 8 at pH 2.