| 发明名称 |
TREATMENT OF PULP AND PAPER WASTEWATER WITH REDUCING AGENT AND A POLYMER FOR COLOR REMOVAL |
| 摘要 |
<p>A process for removing color from a pulp and paper wastewater which comprises the following steps: (a) treating the wastewater with a reducing agent which is capable of inactivating color producing functional groups of the wastewater; and (b) treating the wastewater subsequent to step (a) with a polymer which is capable of removing color from the wastewater.</p> |
| 申请公布号 |
CA2131240(A1) |
申请公布日期 |
1995.03.02 |
| 申请号 |
CA19942131240 |
申请日期 |
1994.08.31 |
| 申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
SARKAR, JAWED M.;TSENG, AMY M.;COLLINS, JOHN H. |
| 分类号 |
C02F9/00;C02F1/54;C02F1/70;C02F3/12;(IPC1-7):C07C43/04;C07C41/01;C02F1/56;C02F1/58 |
主分类号 |
C02F9/00 |
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