| 发明名称 |
METHOD FOR INCREASING THE BRIGHTNESS OF LIMESTONE |
| 摘要 |
<p>METHOD FOR INCREASING THE BRIGHTNESS OF LIMESTONE Method for improving the brightness of limestone utilizing a flocculating agent and a bleaching agent where the pH of the slurry is between about 7 and 9.</p> |
| 申请公布号 |
CA1134563(A) |
申请公布日期 |
1982.11.02 |
| 申请号 |
CA19800344728 |
申请日期 |
1980.01.30 |
| 申请人 |
DRESSER INDUSTRIES, INC. |
发明人 |
FENSKE, DOUGLAS H. |
| 分类号 |
C01F11/18;C09C1/02;(IPC1-7):01F11/18 |
主分类号 |
C01F11/18 |
| 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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