About this Abstract |
Meeting |
12th International Conference on Magnesium Alloys and their Applications (Mg2021)
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Symposium
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12th International Conference on Magnesium Alloys and their Applications (Mg 2021)
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Presentation Title |
Effect of Pre-sintering in Silicothermic Reduction of MgO and Reduction Using Ca2SiO4 instead of CaO |
Author(s) |
Takeru Saimura, Toshihide Takenaka, Taiki Morishige |
On-Site Speaker (Planned) |
Takeru Saimura |
Abstract Scope |
Our laboratory has been researching Mg production using bittern-derived materials to develop an innovative Mg production process with lower environmental load. In previous studies, it was suggested that the contact condition between MgO, CaO and Si was very important to reduce bittern-derived material efficiently. In this study, the contact condition of MgO, CaO and Si was changed by sintering and the effect of the sintering condition on Si thermal reduction was investigated. A short-term sintering improved the reduction rate, but a longer sintering worsened the rate. Sintering seems effective in the improvement of contact condition, but cases the surface oxidation on Si. In this study, Si reduction with Ca<sub>2</sub>SiO<sub>4</sub> instead of CaO was also attempted to reduce CaO consumption, but it was shown that MgO was lost by CaMgSiO<sub>4</sub> formation. |
Proceedings Inclusion? |
Planned: At-meeting proceedings |