Abstract
During the tapping and casting of manganese ferroalloys, fumes are generated and released to the working environment. The fumes are mostly composed of metallic oxides generated due to reaction between high temperature molten metal and ambient oxygen in the air. From an environment perspective, it is important to limit these emissions. However, to do so, it is important to understand fuming mechanisms and kinetics as well as fume compositions, i.e. element behavior during the oxidation process of liquid manganese ferroalloys. Silicomanganese alloys are composed of a minimum of 65 wt% Mn and 17 wt% Si, 2 wt% C as well as minor and trace elements . These elements include Fe, Mg, Al and other elements originating from ores and reductants. Trace elements behavior in fume from liquid silicomanganese generated under an impinging air jet in the temperature range of 1450–1700 °C has been investigated in this work. The thermodynamic and kinetic conditions governing the generation mechanisms are discussed.
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Acknowledgements
These studies were funded by Norwegian Research Council (NFR) through the project “DeMaskUs”, grant number 245216.
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Ma, Y., Kero, I., Gates, S.J.F., Tranell, G. (2017). Trace Elements Behavior During the Oxidation of Liquid SiMn Alloy. In: Hwang, JY., et al. 8th International Symposium on High-Temperature Metallurgical Processing. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51340-9_22
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DOI: https://doi.org/10.1007/978-3-319-51340-9_22
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