| 发明名称 |
Selective mineral recovery |
| 摘要 |
Recovery of copper and iron from ores is enhanced by adding beta-mercaptoethanol as a depressant to a froth flotation process. Flotation of sulfides of zinc and lead is reduced.
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| 申请公布号 |
US4416770(A) |
申请公布日期 |
1983.11.22 |
| 申请号 |
US19820383370 |
申请日期 |
1982.05.28 |
| 申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
BRESSON, CLARENCE R.;PARLMAN, ROBERT M. |
| 分类号 |
B03D1/012;B03D1/02;(IPC1-7):B03D1/14 |
主分类号 |
B03D1/012 |
| 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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