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Over the past few years, partitioning and transmutation (P&T) scenarios have been studied worldwide in connection with alternative waste management strategies. In the so-called double strata concept the industrial PUREX process is combined with the advanced partitioning of MA for subsequent transmutation in a dedicated irradiation facility. For this scenario the technical feasibility, the proliferation resistance and the safeguarding potential are investigated and discussed. In the first stratum commercially well-established processes with mature safeguards measures have been established. The second stratum is at present in a development stage; partitioning processes are investigated on a laboratory scale or at best in a scale-up phase in the case of aqueous methods. Alternative pyre-techniques are even less advanced; transmutation experiments are carried out as irradiation test of small targets in experimental reactors. Demonstrators of so-called accelerator driven systems (ADSÆs) are only in the conceptual phase. It is evident that in parallel proliferation and safeguards issues are also far less defined and investigated.

Additional information

Authors: SCHENKEL R ET AL, JRC, Institute for Transuranium Elements, Karlsruhe (DE)
Bibliographic Reference: An oral report given at: The IAEA Symposium on International Safeguards - Verification and Nuclear Material Security. Held in: Vienna (AT), 29 October - 1 November 2001
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