Long-lived FP burning based on the actinide recycle metal fuel core

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作者
Toshiba Corp, Yokohama, Japan [1 ]
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Prog Nucl Energy | / 3-4卷 / 665-672期
关键词
Actinides - Fast reactors - Isotopes - Nuclear energy - Nuclear fuels - Reactor cores - Reactor shielding;
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摘要
Feasibility of burning of the major long-lived FPs (I, Pd, Tc, Sn, Se, Zr, Cs) while maintaining fuel breeding capability for the Self-Consistent Nuclear Energy System is evaluated based on the actinide recycle metal fuel core of a fast reactor. It is shown that I, Pd, Tc, Sn, Se, and Zr can be burnt simultaneously by an aid of the isotope separation of Pd-107, Zr-93 and Se-79. Cs, which is difficult to burn with the other FPs, should be utilized as an in-reactor shielding material to confine in the system. The selection of the target FPs to be burnt are also validated by using the Burden Index. The overall assessment based on those results indicates that the developed system has the great potential to achieve the goal of the Self-Consistent Nuclear Energy System.
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