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PREPARATION OF NUCLEAR FUEL COMPOSITION AND RECYCLING
PREPARATION OF NUCLEAR FUEL COMPOSITION AND RECYCLING
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机译:核燃料成分的制备和回收
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摘要
A composition is prepared by heating particles of a nuclear fuel material in a metal salt that decomposes below 1000° C. to form a metal oxide. Magnesium nitrate hexahydrate is an example of such a metal salt. A resulting composition includes the particles homogeneously dispersed in a matrix of magnesium oxide. After the composition is used in a nuclear reactor, the now spent composition is removed, cooled, and the matrix is dissolved away from the spent particles, which can be reused in another nuclear fuel composition. The recovered fuel particles also contain some fission products that provide a radiation barrier that discourages theft of the recovered fuel particles.
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