About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Materials and Chemistry for Molten Salt Systems
|
| Presentation Title |
Recent Developments in Methods for Measurement of Oxygen Contamination in Molten Chloride Salts |
| Author(s) |
Michael F. Simpson, Mario Gonzalez, Cam Leavitt, Forest Felling, Olivia Dale |
| On-Site Speaker (Planned) |
Michael F. Simpson |
| Abstract Scope |
The effect of residual water and hydrolysis products such as oxide and hydroxide ions in molten salts on corrosivity towards metals is widely known. This knowlege has established the necessity of proper dehydration of salts prior to melting and operation of systems such as molten salt reactors, electrorefiners, and electrolytic reducers. However, the approach to measurement of such impurities is not widely established. Measurement methods can be divided into sample analysis and in-situ measurement. Sample analysis methods include thermogravimetric analysis, Karl Fisher titration, inert gas fusion analysis, and acid titration. In-situ measurement methods include open circuity potentiometry and cyclic voltammetry. Data from testing with a variety of chloride salt mixtures (CaCl2-CaO, LiCl-Li2O, NaCl-KCl-MgCl2, etc.) will be presented and discussed. A measurement strategy will be presented on how to differentiate between water, oxides, and hydroxides. And recent developments in in-situ sensors will be covered. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Temperature Materials, Nuclear Materials, Electrometallurgy |