发明名称 |
Process for removal of copper ions from aqueous effluent. |
摘要 |
<p>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.</p> |
申请公布号 |
EP0499928(A1) |
申请公布日期 |
1992.08.26 |
申请号 |
EP19920102158 |
申请日期 |
1992.02.10 |
申请人 |
MILES INC. |
发明人 |
CATLIN, JOSEPH C.;ELLIS, MARGARET D.;GOOD, JAMES J.;PUTNAM, MARK A.;TONKS, NEAL E.;WOOD, DONALD VINCENT |
分类号 |
C02F1/62;C02F1/70;C22B15/00 |
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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地址 |
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