The influence of maturation stage on the solubility of fission products from aerosols emitted by overheated nuclear fuels

Vanbegin, J;Froment, Pascal;Cara, Jean;Ronneau, Claude
(1996) Radiochimica Acta : international journal for chemical aspects of nuclear science and technology — Vol. 72, n° 2, p. 101-103 (1996)

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  • Vanbegin, J
    Author
  • Froment, PascalUCLouvain
    Author
  • Cara, JeanUCLouvain
    Author
  • Ronneau, ClaudeUCLouvain
    Author
Abstract
In case of a nuclear reactor accident, radionuclides are emitted in chemical forms which determine their mobility in the environment. Two stages are important in this aspect: (i) the emission stage which depends on the temperature and composition of the nuclear fuel and (ii) the so called 'maturation stage' during which UO2 aerosols react with gases and vapours in the plume of the damaged reactor or in the atmosphere of the confinement structure. The oxidizing nature and the temperature of the reacting gases exert a strong influence on the solubility of fission products carried by UO2 aerosols.
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Vanbegin, J., Froment, P., Cara, J., & Ronneau, C. (1996). The influence of maturation stage on the solubility of fission products from aerosols emitted by overheated nuclear fuels. Radiochimica Acta : international journal for chemical aspects of nuclear science and technology, 72(2), 101-103. https://hdl.handle.net/2078.5/23797 (Original work published 1996)