Coextraction of uranium(VI) from nitric acid solutions by N,N-diethyldecanamide and TBP

Sun Guo-Xin，

Wang You-Shao，

Yang Yan-Zhao，

Bao Bo-Rong，

Sun Si-Xiu

Nuclear Science and Techniques

Vol.8, No.4

pp.251-253

Published in print 01 Nov 1997

23500

The partition of uranium(VI) between nitric acid and N,N-diethyldecanamide, C₉H₁₉CON(C₂H₅)₂, (DEDEA) in kerosene has been investigated at various concentrations of nitric acid, extractant and salting-out agent LiNO₃. The mechanism of extraction is discussed in the light of the results obtained. The effect of TBP on the extraction of uranium(VI) with DEDEA has also been considered. There is apparent synergism between these two extractants at low concentration of TBP; however, at higher concentration, distribution ratio decreases.

N,N-diethyldecanamideU(VI)TBPSolvent extraction

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