| 发明名称 |
PYRITE DEPRESSANTS USEFUL IN THE SEPARATION OF PYRITE FROM COAL |
| 摘要 |
<p>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 compound of the form R'-S-R2-NH2 wherein R' and R2 are moieties containing carbon, hydrogen and oxygen.</p> |
| 申请公布号 |
CA1335121(C) |
申请公布日期 |
1995.04.04 |
| 申请号 |
CA19890597080 |
申请日期 |
1989.04.19 |
| 申请人 |
DOW CHEMICAL COMPANY (THE) |
发明人 |
KLIMPEL, RICHARD R.;FAZIO, MICHAEL J.;HANSEN, ROBERT D. |
| 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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| 地址 |
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