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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title Parameter Study for the Production of DyFe by Molten Salt Electrolysis
Author(s) Samuel Senanu, Arne Petter Ratvik, Ole Kjos, Karen Osen, Ana Maria Martinez, Wojciech Gebarowski, Thomas Park Simonsen, Anne Støre, Henrik Gudbrandsen, Kent-Robert Molvik, Egil Skybakmoen, Chris Hall, Vipin Pradeep, Darren Henvey, Jake Johnson
On-Site Speaker (Planned) Arne Petter Ratvik
Abstract Scope A parameter study of DyFe alloy production by molten salt electrolysis in an equimolar DyF3-LiF electrolyte added Dy2O3 at temperatures above 1000 °C has been performed with a cylindrical carbon anode and a pure iron cathode in the centre using a 500 A power supply Oxide concentration of electrolyte determined by inert gas fusion technique varied from 1.5 to 3 wt%. The formation of perfluorocarbon (PFC) gases was monitored using an on-line Fourier Transform Infrared Spectrometer. The investigations showed a close relationship between the cathodic current density and the amount of DyFe alloy produced with the highest metal production occurring at cathodic current densities above 6 A/cm2. Inductively coupled plasma (ICP) analysis of the produced DyFe metal ingots showed a composition of 83 wt% Dy and 17 wt% Fe.
Proceedings Inclusion? Planned:
Keywords Electrometallurgy, Other, Other


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