Abstract
Both chromite powder and ferrosilicon have good wave absorbing property in microwave field, the effects of reduction temperature, reduction time, microwave power, raw particle size and material height were investigated. The results from laboratorial experiments have shown that the particle size, microwave power and material layer height have obvious influence on the heating rate of the material. When the particle size is less than 74 μm, the material heating rate increased obviously and the conversion rate of chromium increased. With the particle size is less than 48 μm, chromium conversion rate is highest reaching 72.13%; when the microwave power from 1300 W, the heating rate increased remarkable, the conversion rate of chromium is also increasing and also reduce the heating time and save energy, but the impact on the chromium conversion rate is not obvious; the reduction time and reduction temperature on conversion ratio of chromium effect is very obvious, with the temperature is higher than 1200 °C and the reduction time reduction of chromium is more favorable.
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Acknowledgements
The authors are grateful for financial supported by the National Natural Science Foundation of China (Old No. 51504114 and New No. 51664035).
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Liu, H., Guo, S., Duan, Y., Peng, J., Zhang, L., Dai, L. (2018). The Technology Study of Silicon Reduction of Chromite Powder in Microwave Field. In: & Materials Society, T. (eds) TMS 2018 147th Annual Meeting & Exhibition Supplemental Proceedings. TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72526-0_16
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DOI: https://doi.org/10.1007/978-3-319-72526-0_16
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