Электрохимическое восстановление урана(VI) до урана(IV) в растворах реэкстракции

Abstract

The electroreduction of U(VI) to U(IV) in strip product solutions on carbon electrode was investigated. The high U(IV) yield could be achieved during the electrolysis at a current density of 8-10 mA/cm2.The use of solutions with fluoride ions addition for electrolysis results in increased process efficiency due to formation of fluoride complexes.The addition of hydrazinein solution is very effective for preventing reduction of HNO3 at cathode, oxidation of U(IV) and destruction of anode.