[3N06-09] Minor Actinides Recovery and Fission Products Separation

[3N08] Investigation of new extractants for MA separation

*Hideya Suzuki¹, Yasuhiro Tsubata¹, Tatsuya Kurosawa¹, Tomohiro Kawasaki¹, Mitsunobu Shibata¹, Tatsuro Matsumura¹ (1. Japan Atomic Energy Agency)

Keywords:Partitioning & Transmutation, MA separation, DGA, solvent extraction, extractant

The authors have developed a new extractant for the separation of minor actinide (MA) from high-level liquid waste. Tetra-2-ethyldecyldiglycolamide (TEDDGA) has four branched alkyl chains and high selectivity of MA from fission products. Furthermore, TEDDGA has high solubility in diluents, high extraction capacity, fast extraction kinetics, and fast phase separation.