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Approbation of a New Ion-Plasma Technology for Reactor Graphite Deactivation

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Abstract

A fundamentally new approach for the deactivation of irradiated reactor graphite and metal structures of nuclear power plants is proposed, that is, a “dry” ion-plasma decontamination based on an interdisciplinary approach. The technology includes sputtering of a surface radioactive layer by fast ions of a microplasma discharge in an inert gas under atmospheric pressure with mass transfer in the diffusion mode and condensation of the sputtered material onto a replaceable collector anode. The experimental approbation of ion-plasma technology was carried out using samples of reactor graphite grade GR-280; the optimal operating parameters were obtained.

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Authors and Affiliations

  1. Plasma Application Laboratory, InnoPlasmaTech, 199034, St. Petersburg, Russia

    A. S. Petrovskaya & A. B. Tsyganov

  2. JSC “Science and Innovations”, State Corporation “Rosatom”, 119017, Moscow, Russia

    A. Yu. Kladkov, S. V. Surov & D. A. Blokhin

Authors
  1. A. S. Petrovskaya
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  2. A. Yu. Kladkov
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  3. S. V. Surov
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  4. D. A. Blokhin
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  5. A. B. Tsyganov
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Corresponding author

Correspondence to A. S. Petrovskaya.

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The authors declare that they have no conflicts of interest.

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Translated by O. Zhukova

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Petrovskaya, A.S., Kladkov, A.Y., Surov, S.V. et al. Approbation of a New Ion-Plasma Technology for Reactor Graphite Deactivation. Phys. Atom. Nuclei 85, 1992–1997 (2022). https://doi.org/10.1134/S1063778822100416

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  • DOI: https://doi.org/10.1134/S1063778822100416

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