| 发明名称 |
Removal of arsenic, antimony and bismuth from molten copper with sulfur hexafluoride |
| 摘要 |
Bismuth, antimony, and arsenic impurities are removed from molten copper by contacting such molten copper with sulfur hexafluoride gas, which reacts directly with the specified impurities to form gaseous fluorides.
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| 申请公布号 |
US4010030(A) |
申请公布日期 |
1977.03.01 |
| 申请号 |
US19750611154 |
申请日期 |
1975.09.08 |
| 申请人 |
KENNECOTT COPPER CORPORATION |
发明人 |
FRENCH, ROBERT O. |
| 分类号 |
C22B15/00;C22B15/14;(IPC1-7):C22B15/00 |
主分类号 |
C22B15/00 |
| 代理机构 |
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代理人 |
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