Abstract
To recover iron, titanium, vanadium and chromium from vanadium bearing titanomagnetite, a process of direct reduction has been proposed. After magnetic separation, a material containing titanium, vanadium and chromium was obtained. In this paper, a salt-roasting process was proposed to extract vanadium and chromium from the material containing titanium, vanadium and chromium . The effects of the several parameters that included roasting temperature, roasting time and the addition of sodium carbonate were investigated. Under the most suitable conditions including a roasting temperature of 900 °C, roasting time of 2 h and sodium carbonate addition of 33 wt%, the leaching of vanadium and chromium reached 91.2 and 68.4%, respectively. After leaching , the leach residue can be used as the raw material for extraction of titanium.
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Acknowledgements
This study was financially supported by the Hunan Provincial Natural Science Foundation of China (2016JJ2142) and the Open-End Fund for the Valuable and Precision Instruments of Central South University (CSUZC201711).
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Huang, S. et al. (2018). Extraction of Vanadium and Chromium from the Material Containing Chromium, Titanium and Vanadium. In: Kim, H., et al. Rare Metal Technology 2018. TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72350-1_26
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DOI: https://doi.org/10.1007/978-3-319-72350-1_26
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