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Effects of slag refining and vacuum treatment on de-phosphorus from MG-Si using CaO-SiO2-CaCl2 slag

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Date
2013
Author
Huang, Liu-Qing
Lai, Hui-Xian
Fang, Ming
Lu, Cheng-Hao
Chen, Juan
Lin, Yan-Xu
Yu, De-Qin
Li, Jin-Tang
Ma, Wen-Hui
Shen, Jian-Ning
Luo, Xu-Tao
罗学涛
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  • 材料学院-会议论文 [72]
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Abstract
This paper presents a detailed analysis of the effect of slag refining and vacuum treatment on P removal from metallurgical-grade silicon using CaO-SiO2-CaCl2 slag. It demonstrates that both of CaO: SiO2 ratio and CaCl2 content have significant effects on the P removal. Increasing CaO: SiO2 ratio was found to decrease the P removal efficiency after slag refining and vacuum treatment, and the distribution of P shows a tendency to concentrate in the precipitated phase after slag refining. It is also determined that the highest removal efficiency of P was attained when CaCl2 content was 5wt%(CaO:SiO2=1:1), but no obvious change was observed on P distribution after slag refining of varying CaCl2 content. ? (2013) Trans Tech Publications, Switzerland.
Description
Conference Name:2013 International Conference on Material Science and Engineering, ICMSE 2013. Conference Address: Guilin, Guangxi, China. Time:October 4, 2013 - October 6, 2013.
Citation
Advanced Materials Research, 2013,815:773-777
URI
https://dspace.xmu.edu.cn/handle/2288/85131

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