Nuclear fuel reprocessing: Can pyro-processing reduce nuclear proliferation risk?

SM Woo, SS Chirayath, M Fuhrmann - Energy Policy, 2020 - Elsevier
The long-term sustainability of nuclear energy requires a closed fuel cycle in which used fuel
is reprocessed and recycled. Unlike the PUREX process, which produces a pure plutonium …

Electrode reaction of Pr on Sn electrode and its electrochemical recovery from LiCl‐KCl molten salt

W Han, W Wang, Y Zhang, Y Wang… - International Journal of …, 2021 - Wiley Online Library
To recover Pr from molten chlorides, the electrode reactions of Pr3+ on Sn‐coated W and
liquid Sn electrodes were studied by a group of electrochemical techniques. CV and SWV …

Pb cathode assisted electrochemical extraction of Pr(III) by formation of Pb3Pr in LiCl–KCl melts

DB Ji, Y Liu, MX Piao, ZH Bai, W Wang, DQ Ji… - … of Radioanalytical and …, 2022 - Springer
In this paper, the electrochemical behaviors of Pb (II) and Pr (III) were investigated on W
electrode in LiCl–KCl melts, respectively. The results illustrated that the reduction of Pb (II) …

[HTML][HTML] Development of optimal Material Balance Evaluation (MBE) strategy for commercial-scale pyroprocessing facility using stochastic modeling and simulation …

BH Won, MS Yim, G Cho - Nuclear Engineering and Technology, 2024 - Elsevier
This study focuses on quantitative performance evaluation in a 400-ton-capacity commercial-
scale pyroprocessing facility. Extensive modeling and simulation were conducted to …

Investigations on detecting potential nuclear material diversion from a pyroprocessing facility

SM Woo, H Boo, SS Chirayath, K Jeong - Nuclear Technology, 2019 - Taylor & Francis
Under normal operating conditions, a pyroprocessing facility removes highly radioactive and
nonradioactive fission product waste from used nuclear reactor fuel to recycle the remaining …

New formulation for reduction potentials of (Cu, Ni, Al, Zn)–lanthanide alloys–Implications for electrolysis-based pyroprocessing of spent nuclear fuel

M Zhang, P Wang, Y Zhang, D Ji, Y Yan, W Shi… - Electrochemistry …, 2018 - Elsevier
In this work, the electrochemical behavior of lanthanides (except promethium) on several
active cathodes in LiCl–KCl molten salts was investigated. We have discovered that the …

[HTML][HTML] Evaluation of nuclear material accountability by the probability of detection for loss of Pu (LOPu) scenarios in pyroprocessing

SM Woo, SS Chirayath - Nuclear Engineering and Technology, 2019 - Elsevier
A new methodology to analyze the nuclear material accountability for pyroprocessing
system is developed. The Pu-to-244 Cm ratio quantification is one of the methods for Pu …

Electrochemical Extraction of Praseodymium by Formation of Zn-Pr Alloy in LiCl-KCl Melts with the Assistance of ZnCl2 and Liquid Zn

Y Xue, DB Ji, YD Yan, ML Zhang, YH Liu… - Journal of The …, 2017 - iopscience.iop.org
The electrochemical behavior of Zn (II) and Pr (III) in LiCl-KCl melts was investigated by
different electrochemical measurements. On W electrode, the reduction of Zn (II) to Zn (0) in …

Passive Neutron Instrumentation and Applications

RK Weinmann-Smith, TJ Aucott, AP Belian… - Nondestructive Assay of …, 2024 - Springer
This chapter presents a description of most of the instruments that are currently in use for the
measurement of plutonium and uranium using passive methods (without an external …

Fast neutron coincidence counter using scintillators for safeguards verification of the TRU/RE waste

C Lee, S Yoon, SK Ahn, H Seo - Journal of Radioanalytical and Nuclear …, 2023 - Springer
To minimize the environmental burden of the disposal of spent nuclear fuel, nuclide
management process is one of good candidates to separate and collect major nuclides in …