Purification of metallurgical-grade silicon using zirconium as an impurity getter
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- 作者：Yun Leia ; b ; leiyn2008@163.com" class="auth_mail" title="E-mail the corresponding author ; Wenhui Maa ; b ; c ; mwhsilicon@126.com" class="auth_mail" title="E-mail the corresponding author ; Guoqiang Lvc ; Kuixian Weib ; c ; Shaoyuan Lia ; Kazuki Moritad
- 关键词：Silicon purification ; Zirconium ; Alloy refining ; Hydrometallurgy ; Metallurgical-grade silicon
- 刊名：Separation and Purification Technology
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：173
- 期：Complete
- 页码：364-371
- 全文大小：2389 K
文摘
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Zr was employed as an impurity getter in MG-Si.
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Presence of Zr in MG-Si contributes to efficient removal of most impurities.
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99.9% of the added Zr could be removed after HCl + HF or HF leaching.
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HCl + HF is the optimal lixiviant for purification of MG-Si with Zr addition.
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