Contamination of quartz surfaces by Cs, Sr and U from deposited UO2 aerosol particles

Cara, Jean;Froment, Pascal;Ronneau, Claude
(2002) Journal of Radioanalytical and Nuclear Chemistry : an international journal dealing with all aspects and applications of nuclear chemistry — Vol. 251, n° 2, p. 315-317 (2002)

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  • Cara, JeanUCLouvain
    Author
  • Froment, PascalUCLouvain
    Author
  • Ronneau, ClaudeUCLouvain
    Author
Abstract
This paper describes the mechanisms likely to lead to a practically irreversible contamination of quartz (in concrete, for example) after deposition of radioactive aerosol particles released by overheated nuclear fuel. Contamination results from diffusion of Cs, Sr and UO2 into quartz from deposited condensation particles. In laboratory experiments, submicronic condensation particles were deposited onto quartz surfaces and annealed for 3 hours at 700, 900 and 1100 degreesC in different atmospheres. The contamination potential of deposited radioactive material depends on the characteristics of the UO2 particle matrices, on temperature and on the oxidizing potential of the atmosphere in contact.
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Cara, J., Froment, P., & Ronneau, C. (2002). Contamination of quartz surfaces by Cs, Sr and U from deposited UO2 aerosol particles. Journal of Radioanalytical and Nuclear Chemistry : an international journal dealing with all aspects and applications of nuclear chemistry, 251(2), 315-317. https://doi.org/10.1023/A:1014888932100 (Original work published 2002)