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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry III
Presentation Title Electrochemical and Thermodynamic Properties of Gadolinium Chloride in LiCl-KCl Eutectic Salt
Author(s) Prashant Bagri, Michael F Simpson
On-Site Speaker (Planned) Prashant Bagri
Abstract Scope Gadolinium is one of the many constituents of spent nuclear fuel. The behavior of gadolinium in molten eutectic LiCl-KCl needs understanding for pyrochemical processing operations like electrochemical rare earth drawdown and electrorefining. For this paper, the thermodynamic and electrochemical properties of GdCl3 were studied as a function of concentration and the influence of other fission products like cesium were examined and will be reported. Using a two electrode electrochemical cell, the apparent potential and activity coefficient of GdCl3 were studied as a function of concentration of GdCl3 and the influence of cesium on these properties will be reported. Further, relevant phase diagram data were collected and will be presented. The liquidus temperatures for the xGdCl3-CsCl-LiCl-KCl mixtures were determined using a TGA/DSC. Heat capacities (Cp) of these mixtures were also determined using TGA/DSC as a function of concentration of GdCl3, again examining the influence of CsCl on these properties.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Effects of Oxide Precursor Preparation Parameters on the Electrochemical Reduction of Tantalum Pentoxide in Calcium Chloride Melt
Electrochemical and Thermodynamic Properties of Gadolinium Chloride in LiCl-KCl Eutectic Salt
Electrochemical Behavior of Sn/SnCl2 Cathode in Na | NaCl-AlCl3-SnCl2 | Sn Cell
Electrochemical Deposition of Barium into Liquid Bismuth from BaCl2-LiCl-CaCl2-NaCl Electrolyte
Electrochemical Synthesis of TaC in Molten Salt
Electrochemical Techniques for Nuclear Safeguards in Molten Salt
Electrochemistry in Molten 2LiF-BeF2 Salt for the Fluoride Salt-Cooled High Temperature Reactor Applications
Impurity Removal from Titanium Oxycarbide
Initial Operation of Kg-Scale Electrolytic Reduction and Salt Distillation Equipment for the Pyroprocessing of Uranium Oxide in a Hot Cell
Molten Flux Design for Solid Oxide Membrane Based Electrolysis of Si from Silica
Optimized Voltammetry Methods for Measuring Concentration of Multiple Rare Earths and Actinides in Molten LiCl-KCl
Thermal Imaging Furnace Technique for Ultra-high Temperature Electrochemical Measurements
Thermochemical Properties of Barium-Bismuth Alloys Determined by Emf Measurements
Thorium and Uranium Electrodeposition from Molten LiCl-KCl onto Alpha Spectroscopy Semiconductor Detector Surface
Zirconium Management in the Mk-IV Electrorefiner

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