冶金级硅真空蒸馏除磷研究(英文) |
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作者单位: | 昆明理工大学材料与冶金工程学院,昆明理工大学材料与冶金工程学院,昆明理工大学材料与冶金工程学院,昆明理工大学材料与冶金工程学院,昆明理工大学材料与冶金工程学院 云南昆明650093真空冶金国家工程实验室,云南昆明650093,云南昆明650093真空冶金国家工程实验室,云南昆明650093,云南昆明650093真空冶金国家工程实验室,云南昆明650093,云南昆明650093真空冶金国家工程实验室,云南昆明650093,云南昆明650093真空冶金国家工程实验室,云南昆明650093 |
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摘 要: | 近几年,光伏产业以30%的速度持续强劲增长。作为原料的半导体工业副产品供应的不足并且在未来10~15年内也不能显著增加的情况下,建立独立的太阳能级高纯硅原料供应体系是不可避免的。从理论上分析了利用真空蒸馏的方法除磷提纯冶金级硅的可行性,并进行了真空条件下脱磷的实验研究。
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关 键 词: | 太阳能级硅 冶金级硅 真空蒸馏 除磷 |
Study on Phosphorus Removal from Metallurgical Grade Silicon by Vacuum Distillation |
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Authors: | WEI Kui-xian MA Wen-hui DAI Yong-nian YANG Bin LIU Da-chun |
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Institution: | WEI Kui-xian1,2,MA Wen-hui1,2,DAI Yong-nian1,2,YANG Bin1,2,LIU Da-chun1,2 |
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Abstract: | There was a dramatic increament about 30% per year in photovoltaic industry in recent years. And the raw material of photovoltaic industry is impossible to increase markedly within next 10~15 years. Therefore, it is inevitable to establish an independent feedstock system of solar grade silicon (SOG-Si) material. In this paper, a theoretical analysis about the feasibility of phosphorus removal in metallurgical grade silicon with vacuum distillation, then an experiment was conducted. |
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Keywords: | solar grade silicon metallurgical grade silicon vacuum distillation phosphorus removal |
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