| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7965232 | Journal of Nuclear Materials | 2015 | 11 Pages |
Abstract
This transition from passive to transpassive behaviour in the effect of peroxide concentration on UO2 films has not hitherto been observed or explored, either in terms of corrosion processes or otherwise. Through consideration of thermodynamic solubility product and complex formation constant data, we attribute the transition to the formation of soluble uranyl-peroxide complexes under mildly alkaline, high [H2O2] conditions - a conclusion that has implications for the design of both acid minimal, metal ion oxidant-free decontamination strategies with low secondary waste arisings, and single step processes for spent nuclear fuel dissolution such as the Carbonate-based Oxidative Leaching (COL) process.
Related Topics
Physical Sciences and Engineering
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Nuclear Energy and Engineering
Authors
Richard J. Wilbraham, Colin Boxall, David T. Goddard, Robin J. Taylor, Simon E. Woodbury,