| 发明名称 |
Pyrite depressants useful in the separation of pyrite from coal |
| 摘要 |
The separation of coal from pyrite during a froth flotation process is enhanced by the use of an effective amount of a pyrite depressant. The depressant is a hydrophilic nitrogen-sulfur-containing compound.
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| 申请公布号 |
US4826588(A) |
申请公布日期 |
1989.05.02 |
| 申请号 |
US19880187115 |
申请日期 |
1988.04.28 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
KLIMPEL, RICHARD R.;HANSEN, ROBERT D.;FAZIO, MICHAEL J. |
| 分类号 |
B03D1/01;B03D1/012;B03D1/02;(IPC1-7):B03D1/02 |
主分类号 |
B03D1/01 |
| 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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