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Spent Fuel and High Level Waste: Chemical Durability and Performance under Simulated Repository Conditions

Results of a Coordinated Research Project 1998–2004


English IAEA-TECDOC-1563 ¦ 978-92-0-106007-5

38 pages ¦ € 15.00 ¦ Date published: 2007

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This publication contains the results of an IAEA Coordinated Research Project (CRP). It provides a basis for understanding the potential interactions of waste form and repository environment, which is necessary for the development of the design and safety case for deep disposal. Types of high level waste matrices investigated include spent fuel, glasses and ceramics. Of particular interest are the experimental results pertaining to ceramic forms such as SYNROC. This publication also outlines important areas for future work, namely, standardized, collaborative experimental protocols for package-release studies, structured development and calibration of predictive models linking the performance of packaged waste and the repository environment, and studies of the longterm behaviour of the wastes, including active waste samples.

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