Abstract

The results of a comparative analysis and choice of sodium as the coolant for fast reactors are presented. The facilities developed for removing impurities present in the sodium coolant and monitoring their content are described. The modeling of the mass transfer of impurities in coolants and the development of new liquid-metal coolants are examined. The results of an analysis of the anomalous situations in fast reactors, and methods for removing coolant residues from equipment and salvaging wastes are presented. It is shown that the technical solutions adopted provide reliable protection from accidents. New problems of sodium technology are formulated in application to the development of a new generation of fast reactors.

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