Solvent Extraction of Cesium Using DtBuDB18C6 into Various Organic Solvents

High concentration of Cs is present in high-level radioactive waste. It well-known that an alkali element and difficult to extract completely into organic phase. Crown ether compounds are widely available for extractants; DtBuDB18C6 (di-t-butyl-dibenzo-18crown6), was used this study. Organic solvents the industrial applications, such as n-dodecane 1-octanol, have low solubility concerning compound; other were employed tested. In study, ketone-, ether-, ester-type showed high DtBuDB18C6, when dissolved ketones alcohols, exhibited relatively distribution ratios (D(Cs)), closely 10.