PROCESS AND DEVICE FOR THE OXIDATION OF ONE OR MORE ACTINIDES STABILIZED IN REDUCED FORM BY ONE OR MORE ANTI-NITROUS AGENTS, IN NITRIC CONCENTRATE

摘要

The invention concerns a method and a device for oxidising one or several actinides stabilised in reduced form by one or several anti-nitrous agents in concentrated nitric solution. The method consists in subjecting the actinide nitric solution to electrolysis in at least one anode compartment so as to selectively oxidise at least part of said solution anti-nitrous agent to obtain a first solution; subjecting a concentrated nitric acid solution to electrolysis in at least a cathode compartment of said electrolyser so as to form nitrous acid in said solution to obtain a second solution; mixing said first and second solutions.