| 发明名称 |
Copper refining |
| 摘要 |
Tin and antimony impurities can be removed from copper scrap by melting the scrap in the presence of a flux comprising a mixture of calcium and solution oxides in a weight ratio of calcium oxide to sodium oxide of from 1:1 to 4:1.
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| 申请公布号 |
US4316742(A) |
申请公布日期 |
1982.02.23 |
| 申请号 |
US19800198515 |
申请日期 |
1980.10.20 |
| 申请人 |
WESTERN ELECTRIC CO., INCORPORATED |
发明人 |
CANNING, JR., EVERETT J. |
| 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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| 主权项 |
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| 地址 |
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