Spectroscopic investigations of actinides for ecological risk assessment in the context of nuclear waste disposal


Spectroscopic investigations of actinides for ecological risk assessment in the context of nuclear waste disposal

Foerstendorf, H.

In the aftermath of the Fukushima Daiichi incident, the federal government of Germany terminated the civil use of nuclear power within the next decade. Hence, a solution for the long term storage of the nuclear waste from the power plants becomes more and more mandatory. In fact, up to now, the frame conditions for the search of an appropriate repository are still not defined much less accepted by the general public. In this lecture, aspects of the applied research in the field of nuclear waste disposal at the Institute of Resource Ecology of the Helmholtz-Zentrum Dresden-Rossendorf, Germany, are introduced. The focus is set on spectroscopic investigations on radionuclides including their speciation in aqueous solution and as well on mineral surfaces. The multi-spectroscopic approach, namely vibrational, X-ray absorption and luminescence spectroscopy, potentially provides complementary information on a molecular scale which is indispensable for the verification of current surface complex modeling calculations for a long term risk assessment of a deep ground waste repository.

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Permalink: https://www.hzdr.de/publications/Publ-19173
Publ.-Id: 19173