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<p><i>N,N</i>-Didodecyl-<i>N′,N′</i>-dibutyl diglycolamide (D<sup>3</sup>DBDGA) was evaluated for the separation of trivalent f-ions from high-level liquid waste (HLLW) by studying the extraction behavior of various metal ions that are likely to be present in HLLW (Pu(IV), Th(IV), U(VI), Pu(VI), Pu(III), lanthanides (La(III) to Dy(III)), Y(III), Zr(IV), Sr(II), Ba(II), Cd(II), Ru(III), Pd(II), Rh(III), Ag(I), Cs(I), Te(VI), Mo(VI), Fe(III), Cr(III), Co(II) and Ni(II)), individually and collectively. Process conditions were optimized for the suppression of co-extraction of unwanted metal ions without compromising the f-ion separation, and without leading to the third phase formation. Results indicate the promising nature of D<sup>3</sup>DBDGA for the separation of trivalent f-ions from HLLW.</p>

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Feasibility of using N,N-didodecyl-N′,N′-dibutyl diglycolamide for the separation of trivalent actinides from high-level radioactive liquid waste

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月30日

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  • Anjan Dhawa,
  • Jammu Ravi,
  • P. Revathi,
  • G. Srinivas Rao,
  • K. A. Venkatesan

摘要

N,N-Didodecyl-N′,N′-dibutyl diglycolamide (D3DBDGA) was evaluated for the separation of trivalent f-ions from high-level liquid waste (HLLW) by studying the extraction behavior of various metal ions that are likely to be present in HLLW (Pu(IV), Th(IV), U(VI), Pu(VI), Pu(III), lanthanides (La(III) to Dy(III)), Y(III), Zr(IV), Sr(II), Ba(II), Cd(II), Ru(III), Pd(II), Rh(III), Ag(I), Cs(I), Te(VI), Mo(VI), Fe(III), Cr(III), Co(II) and Ni(II)), individually and collectively. Process conditions were optimized for the suppression of co-extraction of unwanted metal ions without compromising the f-ion separation, and without leading to the third phase formation. Results indicate the promising nature of D3DBDGA for the separation of trivalent f-ions from HLLW.