| 发明名称 |
Methods of removing oil and metal ions from oily wastewater |
| 摘要 |
Methods are disclosed for removing oil and metal ions from oily wastewaters. Polymeric tannin amine compounds are added to the oily wastewater to demulsify the oil, and flocculate the metal ions.
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| 申请公布号 |
US5256304(A) |
申请公布日期 |
1993.10.26 |
| 申请号 |
US19920893483 |
申请日期 |
1992.06.05 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
MEYER, ELLEN M.;WOOD, MICHAEL R. |
| 分类号 |
B01D17/04;C02F1/52;(IPC1-7):C02F1/56 |
主分类号 |
B01D17/04 |
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