Sorption of Cs,Sr, Se, Tc, 152(154)Eu, 239(240)Pu on fractured rocks of the Yeniseysky site (Nizhne-Kansky massif, Russia)

K. Rozov, V. Rumynin, A. Nikulenkov, P. Leskova

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review


The study demonstrates the effect of sorption properties of fractured host rocks from the Yeniseysky site (Nizhne-Kansky rock massif, Krasnoyarsk region) on the migration of dissolved radioactive components (Cs,Sr, 79Se, Tc, 152(154)Eu, 239(240)Pu) in the deep geological conditions of a high-level radioactive waste repository. Estimates of radionuclide distribution coefficients between the aqueous solution and fractured rocks obtained from sorption experiments. The influence of various petrographic types and fracture-filling substances on the retardation of radioactive components has been investigated. Based on the results of sorption experiments, we concluded that the type and attributes of rock discontinuities, as well as the mineral composition of the material in fractures, are crucial for the immobilization of radionuclides during their migration through a geological environment.

Original languageEnglish
Title of host publication16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
EditorsO Chudaev, Y Kharaka, R Harmon, R Millot, O ShouakarStash
Number of pages5
StatePublished - 7 Jun 2019

Publication series

NameE3S Web of Conferences
PublisherEDP Sciences

Scopus subject areas

  • Environmental Science(all)
  • Energy(all)
  • Earth and Planetary Sciences(all)


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