| 发明名称 |
PROCESS FOR REMOVAL OF COPPER IONS FROM AQUEOUS EFFLUENT |
| 摘要 |
This invention relates to a process for removing copper ions from highly acidic waste water generated during the manufacture of dyes or pigments or intermediates thereof. The waste water is exposed at a pH less than about 1 to a bed of suspended iron particles, preferably a fluidized bed of iron particles, having a particle size of from about 200 to about 950 micrometers.
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| 申请公布号 |
CA2067483(C) |
申请公布日期 |
2002.07.16 |
| 申请号 |
CA19922067483 |
申请日期 |
1992.02.07 |
| 申请人 |
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发明人 |
CATLIN, JOSEPH C.;ELLIS, MARGARET D.;GOOD, JAMES J.;PUTNAM, MARK A.;TONKS, NEAL E.;WOOD, DONALD V. |
| 分类号 |
C02F1/62;C02F1/70;C22B15/00;(IPC1-7):C02F1/42;C02F1/58 |
主分类号 |
C02F1/62 |
| 代理机构 |
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代理人 |
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| 主权项 |
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