| 发明名称 |
PYRITE DEPRESSANTS USEFUL IN THE SEPARATION OF PYRITE FROM COAL |
| 摘要 |
The separation of coal from pyrite is enhanced by the use of an effective amount of a polymeric acid or salt thereof as a pyrite depressant in conventional flotation processes. The polymeric acid preferably is a carboxylic or sulfonic acid and preferred depressants include sodium polyacrylate. |
| 申请公布号 |
AU3544789(A) |
申请公布日期 |
1989.11.24 |
| 申请号 |
AU19890035447 |
申请日期 |
1989.04.17 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
RICHARD R. KLIMPEL;ROBERT D. HANSEN |
| 分类号 |
B03D1/016;B03D1/02 |
主分类号 |
B03D1/016 |
| 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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