Journal
ATOMIC ENERGY
Volume 101, Issue 5, Pages 822-829Publisher
SPRINGER
DOI: 10.1007/s10512-006-0175-4
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Experimental measurements of the basic physical properties of the melt NaF-LiF-BeF2 are presented as validation of the concept of a molten-salt reactor for burning actinides from spent fuel from light-water reactors. Compositions which are characterized by the minimal molar fraction LiF 15-17% and BeF2 25-27% and meet the special requirements for a fuel salt for the concept under study are found. The melts of the fluorides of three metals have an acceptable melting temperature (< 500 degrees C), permit dissolution of actinide and lanthanide trifluorides to molar fraction 2% and higher at 600 degrees C, possess good neutron-physical (even without enrichment with respect to Li-7) and thermophysical properties, are compatible with nickel-molybdenum alloys to temperature 750 degrees C, are inexpensive and are not strongly activated by neutrons so that they do not present a long-term disposal risk.
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