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| Recovery and Purification of Silicon Powder From the Wiresawing Waste |
| Received:April 08, 2016 Revised:April 24, 2016 |
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| DOI： |
| KeyWord:wiresawing waste; silicon purification; silicon carbide separation; removal of boron and phosphorus |
| Author | Institution |
| liusuning |
北京科技大学冶金与生态工程学院 |
| Huangkai |
北京科技大学冶金与生态工程学院 |
| Zhuhongmin |
北京科技大学冶金与生态工程学院 |
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| Abstract: |
| The polysilicon wiresawing waste usually contains more than 30 wt% high purity silicon powder which is valuable and recoverable. Tiny silicon carbide particles and impurities of boron and phosphorus are two difficult problem in the thoroughly separation and purification. The current method and study for these problems were summarized and compared, and pointed out the developing tendency in the future. |
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