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Palamarchuk M, Egorin A, Tokar E, et al. Decontamination of spent ion-exchangers contaminated with cesium radionuclides using resorcinol-formaldehyde resins. J Hazard Mater. 2016;321:326-334doi: 10.1016/j.jhazmat.2016.09.005.
Palamarchuk, M., Egorin, A., Tokar, E., Tutov, M., Marinin, D., & Avramenko, V. (2017). Decontamination of spent ion-exchangers contaminated with cesium radionuclides using resorcinol-formaldehyde resins. Journal of hazardous materials, 321326-334. https://doi.org/10.1016/j.jhazmat.2016.09.005
Palamarchuk, Marina, et al. "Decontamination of spent ion-exchangers contaminated with cesium radionuclides using resorcinol-formaldehyde resins." Journal of hazardous materials vol. 321 (2017): 326-334. doi: https://doi.org/10.1016/j.jhazmat.2016.09.005
Palamarchuk M, Egorin A, Tokar E, Tutov M, Marinin D, Avramenko V. Decontamination of spent ion-exchangers contaminated with cesium radionuclides using resorcinol-formaldehyde resins. J Hazard Mater. 2017 Jan 05;321:326-334. doi: 10.1016/j.jhazmat.2016.09.005. Epub 2016 Sep 04. PMID: 27639209.
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J Hazard Mater. 2017 Jan 05;321:326-334. doi: 10.1016/j.jhazmat.2016.09.005. Epub 2016 Sep 04.

Decontamination of spent ion-exchangers contaminated with cesium radionuclides using resorcinol-formaldehyde resins.

Journal of hazardous materials

Marina Palamarchuk, Andrey Egorin, Eduard Tokar, Mikhail Tutov, Dmitry Marinin, Valentin Avramenko

Affiliations

  1. Institute of Chemistry, Far-Eastern Branch, Russian Academy of Sciences, 159, prosp. 100-letiya Vladivostoka, Vladivostok 690022, Russia. Electronic address: [email protected].
  2. Institute of Chemistry, Far-Eastern Branch, Russian Academy of Sciences, 159, prosp. 100-letiya Vladivostoka, Vladivostok 690022, Russia.

PMID: 27639209 DOI: 10.1016/j.jhazmat.2016.09.005

Abstract

The origin of the emergence of radioactive contamination not removable in the process of acid-base regeneration of ion-exchange resins used in treatment of technological media and liquid radioactive waste streams has been determined. It has been shown that a majority of cesium radionuclides not removable by regeneration are bound to inorganic deposits on the surface and inside the ion-exchange resin beads. The nature of the above inorganic inclusions has been investigated by means of the methods of electron microscopy, IR spectrometry and X-ray diffraction. The method of decontamination of spent ion-exchange resins and zeolites contaminated with cesium radionuclides employing selective resorcinol-formaldehyde resins has been suggested. Good prospects of such an approach in deep decontamination of spent ion exchangers have been demonstrated.

Copyright © 2016 Elsevier B.V. All rights reserved.

Keywords: Cesium; Radioactive waste; Resorcinol-formaldehyde resin; Spent ion-exchange resin; Spent zeolite

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