发明名称 |
Decolorization of effluents from pulp mills |
摘要 |
Pulp mill effluents particularly unbleached streams are decolorized by passing those streams through a mass or bed of macroreticular aliphatic weak anion exchange resin at a pH of 6 - 8.5. Preferred resins are further characterized as possessing a high pKa.
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申请公布号 |
US4049546(A) |
申请公布日期 |
1977.09.20 |
申请号 |
US19760669563 |
申请日期 |
1976.03.23 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
ROCK, STEVEN L. |
分类号 |
B01J41/04;C02F1/28;(IPC1-7):B01D15/06 |
主分类号 |
B01J41/04 |
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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