Abstract

It was earlier shown theoretically that the radioactivity released by spent-fuel elements into storage pool water is predominantly carried by positive ions. In this paper a decontamination method is described in which freshly contaminated metallic surfaces are decontaminated electrochemically, resulting in smooth, shiny surfaces. This method, which uses current densities of {approximately}15 {mu}A/cm{sup 2}, is quantitatively and qualitatively different from earlier electrochemical procedures, where higher current densities of the order of milliamperes per square centimeter or even amperes per square centimeter were used.

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