Understanding Uranium Migration in Hard Rocks
Uranium is a major radioactive constituent of spent nuclear fuel and high-level radioactive waste. However, its migration behaviour in crystalline rocks is still inadequately understood. This paper describes the results of controlled laboratory migration experiments and attempts made to simulate them using numerical models. Initial models employing generic information in “blind predictions” are progressively enhanced by data-supported interpretation. Such an approach is intended to mimic the stages of a site assessment, where conceptual and numerical models are progressively refined.
KeywordsHard Rock Effective Porosity Spend Nuclear Fuel Precipitation Kinetic Dispersion Length
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