Recovery of actinides and fission products from spent nuclear fuel via electrolytic reduction: Thematic overview

AY Galashev - International Journal of Energy Research, 2022 - Wiley Online Library
Spent nuclear fuel (SNF) from modern light water or thermal reactors containing uranium
oxide with small concentrations of plutonium and other actinide oxides is converted into …

Metallic lithium and the reduction of actinide oxides

A Merwin, MA Williamson, JL Willit… - Journal of the …, 2017 - iopscience.iop.org
Extensive research and process development has been conducted on the electrolytic
reduction of actinide oxides in molten LiCl-Li 2 O. It is now accepted that the reduction of …

Direct separation of uranium from lanthanides (La, Nd, Ce, Sm) in oxide mixture in LiCl-KCl eutectic melt

Y Liu, K Liu, L Luo, L Yuan, Z Chai, W Shi - Electrochimica Acta, 2018 - Elsevier
This paper reports the direct separation of U from lanthanides (Ln) in oxide mixtures in LiCl-
KCl eutectic, a method that could simplify the pyrometallurgical reprocessing of UO 2-based …

Electrochemical extraction of uranium from U3O8 by preparing flower-shaped Al-U intermetallics in LiCl-KCl-AlCl3 melts

X Xu, X Wang, V Smolenski, W Mi, Y Yan… - Journal of Nuclear …, 2022 - Elsevier
This work presents the electrochemical behavior of U 3 O 8 and the formation of Al-U
intermetallics in LiCl-KCl-AlCl 3 melts at 813 K by various electrochemical test methods. The …

Electrochemical properties and extraction of Dy on liquid Sn electrode in LiCl–KCl molten salt

W Li, X Zhang, J Wang, L Chen, Q Sun, W Han… - Journal of Solid State …, 2023 - Springer
To extract dysprosium (Dy) from LiCl–KCl molten salt, the electrochemical properties of Dy
on liquid Sn electrode were explored by various electrochemical methods such as cyclic …

[HTML][HTML] Electrochemical Reduction of La2O3, Nd2O3, and CeO2 in LiCl-Li2O Melt

AV Shishkin, VY Shishkin, AA Pankratov, AA Burdina… - Materials, 2022 - mdpi.com
The reduction of pellets composed of individual CeO2, Nd2O3 and a La2O3-Nd2O3-CeO2
mixture by lithium extracted on a cathode during lithium chloride electrolysis at 650° C was …

Preparation of γ-uranium-molybdenum alloys by electrochemical reduction of solid oxides in LiCl molten salt

YK Zhong, K Liu, YL Liu, YX Lu, TQ Yin… - Journal of The …, 2019 - iopscience.iop.org
Abstract Uranium-molybdenum (U-Mo) alloys especially the γ-U-Mo phase, with excellent
irradiation performance at high temperatures, have been extensively studied as low …

Reduction of ZrO2 during SNF pyrochemical reprocessing

A Nikolaev, A Suzdaltsev, O Pavlenko… - Journal of The …, 2021 - iopscience.iop.org
Reduction of ZrO 2 by lithium during electrolysis of LiCl-KCl-Li 2 O melt at 650 C was studied
using a set of physicochemical methods of analysis. Influence of ZrO 2 in the space near a …

Smoothed particle hydrodynamics modeling and analysis of oxide reduction process for uranium oxides

JW Kim, TS Yoo, ES Kim, SJ Yoon - Chemical Engineering Science, 2022 - Elsevier
A common kinetic feature for oxide reduction chemical/electrochemical processes is oxygen
transport via a porous metallic layer, which has been considered as a rate-determining step …

A simple and effective separation of UO2 and Ln2O3 assisted by NH4Cl in LiCl–KCl eutectic

YC Liu, YL Liu, Y Zhao, Z Liu, T Zhou, Q Zou… - Journal of Nuclear …, 2020 - Elsevier
For UO 2-based spent fuel, it is usually electrochemically reduced and then refined in molten
salt with respect to the so-called pyrochemical reprocessing approach. In this work, we …