PROCESS FOR PREPARING A POWDER COMPRISING A SOLID SOLUTION OF URANIUM DIOXIDE AND OF A DIOXIDE OF AT LEAST ONE OTHER ACTINIDE AND/OR LANTHANIDE ELEMENT

摘要

The invention relates to a method for preparing a powder of a solid solution of dioxide of uranium and of at least one other actinide and/or lanthanide element comprising a step for combustion of a solution comprising uranyl nitrate and at least one nitrate of the other actinide and/or lanthanide element and nitrogen-containing fuel used according to a specific predetermined amount so as to form at the end of this step, said solid solution.