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Sorption of cesium iodide radioactive aerosols on metal felt during oxidative hydrolysis in steam gas-system

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Abstract

The behavior of 137Cs 131I radioactive aerosols at sorption in a column packed with Bekipor WB metal felt from argon, air, and steam-gas flow was studied to assess the possibility of formation of CsI ⋅ CsOH and CsI3 in the course of CsI oxidative hydrolysis. The layer distribution of radionuclides in the column was analyzed as influenced by temperature (405–560 K), carrier gas humidity (up to 60 vol %), flow velocity (2–6 cm s1), and amount of cesium iodide sorbed on the felt (0.7–65.0 mg). It was found that the oxidative hydrolysis under certain conditions yields CsI ⋅ CsOH and CsI3 aerosols. Although under the experimental conditions studied the sorption of radionuclides on the metal felt is nearly quantitative (97–99%), escape of the radionuclides from the column upon prolonged passing of steam-gas mixtures cannot be excluded.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia

    S. A. Kulyukhin, N. B. Mikheev, A. N. Kamenskaya, I. A. Rumer, N. A. Konovalova & V. L. Novichenko

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  1. S. A. Kulyukhin
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  2. N. B. Mikheev
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  3. A. N. Kamenskaya
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  4. I. A. Rumer
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  5. N. A. Konovalova
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  6. V. L. Novichenko
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Translated from Radiokhimiya, Vol. 46, No. 5, 2004, pp. 449–453.

Original Russian Text Copyright © 2004 by Kulyukhin, Mikheev, Kamenskaya, Rumer, Konovalova, Novichenko.

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Kulyukhin, S.A., Mikheev, N.B., Kamenskaya, A.N. et al. Sorption of cesium iodide radioactive aerosols on metal felt during oxidative hydrolysis in steam gas-system. Radiochemistry 46, 484–489 (2004). https://doi.org/10.1007/s11137-005-0016-7

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  • DOI: https://doi.org/10.1007/s11137-005-0016-7

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