Advanced Fuels with Reduced Actinide Generation (IAEA

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38 XA9743138 THE FEASIBILITY OF MA TRANSMUTATION IN CEFR ZHANGYUSHAN, YI XIAOYI, SU LIXIN China Institute of Atomic Energy, Beijing, China Abstract The feasibility of MA transmutation in CEFR(China Experimental Fast Reactor) is described. The nuclear characteristics of reference core and those of MA-loaded core are compared, the MA-transmutation amount is presented. Although the amount of MA transmutation in CEFR is limited, CEFR still has a significant role in MA fuel irradiation tests and MA transmutation technique studies.

Programvard, utveckling och bench-mark berakningar", SKBF TR 80-20, Svensk Karnbransleforsorjning AB, Stockholm, December 1980 (in Swedish). 3 Liljenzin, J. , "Some Estimates of the Total Nuclide Inventory in the Year 2100 from Swedish Nuclear Power Production", SKI Technical Report 90:18, Swedish Nuclear Power Inspectorate, Stockholm, April 1990. 38 XA9743138 THE FEASIBILITY OF MA TRANSMUTATION IN CEFR ZHANGYUSHAN, YI XIAOYI, SU LIXIN China Institute of Atomic Energy, Beijing, China Abstract The feasibility of MA transmutation in CEFR(China Experimental Fast Reactor) is described.

The following simple estimate shows the substantial disadvantage of such a system. 33). For example, in the case of a 1,5 GeV proton beam emitting 50 neutrons per spallation in a lead target, the transmutation of "re, 129J, 135Cs, *>Sr, uKr and *Zr (constituting 28% of all fission products) would require 51,3 MeV to transmute the fission product fraction of one fission process. This is -26% of the total power production of the energy system under consideration and the real percentage of energy required will be even higher due to the very optimistic assumptions made in this estimate.

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