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The Role of the Actinides in a Performance Assessment of a Nuclear Waste Repository. SKB's Supporting Actinide Research

Published online by Cambridge University Press:  01 February 2011

Lars Werme ,
Sergei Butorin  and
Peter M Oppeneer
Lars Werme
Affiliation:
lars.werme@fysik.uu.se, Uppsala University, Dept. Physics and Astronomy, Uppsala, Sweden
Sergei Butorin
Affiliation:
sergei.butorin@fysik.uu.se, Uppsala University, Dept. Physics and Astronomy, Uppsala, Sweden
Peter M Oppeneer
Affiliation:
peter.oppeneer@fysik.uu.se, Uppsala University, Dept. Physics and Astronomy, Uppsala, Sweden
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Abstract

After a few hundred years, the actinides will dominate the radiotoxicity of spent nuclear fuel. This does not necessarily mean that the actinides will dominate the dose to organisms at the surface above a geologic repository. Quite the contrary, in most performance assessments this dose is dominated by long-lived fission products, activation products and, in the very long perspective, actinide daughters.

This makes the far-field migration properties of the actinides less interesting for further research. There are, however, other aspects of the presence of actinides in spent nuclear fuel and some of these and SKB's research in these fields is presented and discussed here.

Keywords

actinidewaste managementx-ray fluorescence
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1265: Symposium AA – Scientific Basis for Nuclear Waste Management XXXIV , 2010 , 1265-AA01-07
Copyright
Copyright © Materials Research Society 2010

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