[3H05-08] MA recovery 2

[3H07] Hybrid Process Combining Solvent Extraction and Low Pressure Loss Extraction Chromatography for a Reasonable MA Recovery

(7)Structural Analyses of Adsorbed Species in the Adsorbents for MA/Ln Separation

Tatsumi Tsuchiya¹, Makoto Okada¹, *Sou Watanabe², Yuichi Sano², Tsuyoshi Arai³, Haruaki Matsuura¹ (1. TCU, 2. JAEA, 3. Shibaura Inst. of Tech.)

Keywords:Extraction chroatography, High level radioactive liquid waste , NTA Amide, Minor Actinide, Lanthanoid

For any adsorbent including an adsorbent using a silica carrier granulated by the freeze dried method, the adsorbed species has almost the same structure as the solvent extraction system, and the coordination structure changes with the nitrate concentration is related with the tendency of adsorption rate with nitrate concentration.