Solution Interaction of Nuclear Waste Anions with Selected Geological Materials
In the Canadian nuclear fuel waste management program, we are considering geological disposal in vaults mined deeply into plutonic rocks of the Canadian Shield (1). In this context 99Tc and 129I are of concern due to their long half-lives and their tendency to go into solution as anions which are largely unretarded by interaction with silicate minerals (2). For these reasons we have been looking for materials which would be stable within the vault environment and which could be used as part of a multi-barrier containment system to retard the movement of Tc and I.
KeywordsCopper Metal Geological Disposal Cupric Sulfate Lead Mineral Canada Limited
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