| 发明名称 |
METHODS FOR THE FLOCCULATION OF COAL FINES AND INSOLUBLE METALS IN COAL MINE WATERS |
| 摘要 |
Coal fines and suspended insoluble metals are flocculated from coal mine drainage waters by adding a polymeric tannin-amine compound.
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| 申请公布号 |
CA2059828(A1) |
申请公布日期 |
1993.03.01 |
| 申请号 |
CA19922059828 |
申请日期 |
1992.01.22 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
VASCONCELLOS, STEPHEN R.;BOYCE, P. DOUGLAS;SMITH, LARRY P. |
| 分类号 |
C02F1/52;(IPC1-7):C02F1/56 |
主分类号 |
C02F1/52 |
| 代理机构 |
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| 地址 |
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