发明名称 |
FREMGANGSMAATE TIL FREMSTILLING AV SILISIUM MED STOR RENHET AV SOLCELLEKVALITET |
摘要 |
The present invention relates to the production of high purity solar grade silicon from common rice hulls. A unique process for material purification and reduction includes leaching the rice hulls in acid followed by treatment with high purity water, coking the acid-cleaned hulls in a non-oxidizing ambient, compensating the carbon or silica content of the coked hulls to obtain a desired carbon to silica ratio and reducing the silica to produce high purity silicon. |
申请公布号 |
NO800822(A) |
申请公布日期 |
1980.09.24 |
申请号 |
NO19800000822 |
申请日期 |
1980.03.21 |
申请人 |
EXXON RESEARCH AND ENGINEERING CO, |
发明人 |
AMICK, JAMES A.,;MILEWSKI, JOHN V.,;WRIGHT, FRANKLIN J., |
分类号 |
C01B33/02;C01B33/025;H01L31/04;(IPC1-7):01B/ |
主分类号 |
C01B33/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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