DECONTAMINATION OF ZIRCALOY USING A SLAG BY A COLD CRUCIBLE MELTING OPERATION WITH CONTINUOUS LINGOT DRAWING

摘要

The invention relates to a process for decontamination of a zircaloy-based alloy, by transfer of radioactivity into a slag, during the melting of the alloy, the slag containing at least one cryolite (3MF-AlF3 where M is a alkali metal), said method making it possible to obtain a metallic matrix having better resistance to leaching by water.