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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium REWAS 2022: Recovering the Unrecoverable
Presentation Title Pre-study of the Dissolution Behavior of Silicon Kerf Residue in Steel
Author(s) Adamantia Lazou, David Nilssen, Mertol Gökelma, Maria Wallin, Gabriella Tranell
On-Site Speaker (Planned) Adamantia Lazou
Abstract Scope Silicon kerf residue is generated during the wafering process of pure silicon in the photovoltaic value chain. The generated by-product has a high volume, and the particle size is typically below 1 μm. Although the fine particle size promotes oxidation, it can be beneficial from many metallurgical aspects. This work studies the behavior of silicon kerf in low alloy steel melts with aim to upcycle the kerf material in the steel industry for different purposes. Depending on the interaction with the medium, particles may be used as an inoculant agent or an alloying element. The steel alloy and the kerf were melted in an alumina crucible placed in an induction furnace. The studied parameters were the charging procedure, the amount of kerf, and the temperature. The behavior of the particles in the solidified alloy was characterized by using an optical microscope, Scanning Electron Microscope (SEM), and energy-dispersive X-ray spectroscopy (EDS).
Proceedings Inclusion? Planned:
Keywords Iron and Steel, Pyrometallurgy, Recycling and Secondary Recovery


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Leaching of Rare Earth Elements from Phosphogypsum Using Mineral Acids
Maximizing the Efficiency of By-product Treatment by Multi Metal Recovery and Slag Valorization
Physicochemistry of Lithium-ion Battery Recycling Processes
Pre-study of the Dissolution Behavior of Silicon Kerf Residue in Steel
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