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Extraction-chromatographic properties and radiation resistance of a solid extractant based on di-2-ethylhexyl hydrogen phosphate

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Abstract

Extraction-chromatographic properties of LN-B200-S sorbent based on di-2-ethylhexyl hydrogen phosphate were studied. The equilibrium distribution coefficients of Am in the sorbent–HNO3 system, the total exchange capacity, and the capacity to breakthrough were determined. The influence of the absorbed dose on the above parameters was examined. The suggested extraction-chromatographic system was tested with a real solution of spent nuclear fuel from an RBMK-1000 reactor as applied to the recovery of the Am–Cm–Nd fraction.

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Authors and Affiliations

  1. Research Institute of Atomic Reactors, Zapadnoe sh. 9, Dimitrovgrad, Ulyanovsk oblast, 433510, Russia

    E. A. Erin, V. N. Momotov, A. A. Baranov, L. V. Nagaitseva & Yu. S. Konovalova

  2. Dimitrovgrad Institute of Technology, Branch of Moscow Engineering Physics Institute, National Research Nuclear University, ul. Kuibysheva 294, Dimitrovgrad, Ulyanovsk oblast, 433511, Russia

    Yu. A. Galina

Authors
  1. E. A. Erin
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  2. V. N. Momotov
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  3. A. A. Baranov
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  4. L. V. Nagaitseva
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  5. Yu. S. Konovalova
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  6. Yu. A. Galina
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Correspondence to V. N. Momotov.

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Original Russian Text © E.A. Erin, V.N. Momotov, A.A. Baranov, L.V. Nagaitseva, Yu.S. Konovalova, Yu A. Galina, 2017, published in Radiokhimiya, 2017, Vol. 59, No. 1, pp. 53–58.

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Erin, E.A., Momotov, V.N., Baranov, A.A. et al. Extraction-chromatographic properties and radiation resistance of a solid extractant based on di-2-ethylhexyl hydrogen phosphate. Radiochemistry 59, 58–64 (2017). https://doi.org/10.1134/S1066362217010076

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