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Comparison of the Dissolution Behaviour of Various UO2 Samples in Saline Solution at 100°C Under Reducing Conditions
Published online by Cambridge University Press: 25 February 2011
Abstract
The separate effects of alpha- and gamma-radiolysis on UO2 dissolution can be studied with unirradiated UO2, whereas studies vith used nuclear fuel necessarily always include both alpha- and gamma-radiolysis effects. This paper attempts to separate these effects by comparing the leaching behaviour in saline solution of a number of UO2 samples (each vith a particular radiation characteristic or chemical property inherent to used fuel) vith the leaching behaviour of used fuel. Data from leaching experiments vith lov- and high-burnup CANDU (CANada Deuterium Uranium) fuels are also compared. The results indicate that the presence of an alpha field at 100°C under reducing conditions does not increase UO2 dissolution but suggest that the combined effects of the beta and gamma fields in used CANDU fuel may enhance UO2 dissolution.
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- Copyright © Materials Research Society 1994
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