| 发明名称 |
CYAN WASTE WATER TREATMENT METHOD |
| 摘要 |
The treatment method for waste water from coaltar storage (I) consists of (1) adjusting pH to 4.0-6.0 with sulfuric acid, nitric acid or hydrochloric acid, (2) adding ferric salt in hydrochloric acid in the ratio of 70-120 ppm to form prussian Blue insoluble aggregates, (3) adding nonionic or cationic polymers in the ratio of 10-20 ppm.
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| 申请公布号 |
KR950002541(B1) |
申请公布日期 |
1995.03.21 |
| 申请号 |
KR19920004517 |
申请日期 |
1992.03.19 |
| 申请人 |
POSCOCEM CO., LTD. |
发明人 |
JANG, JONG - HUN;OH, JUN - SOK;AN, DOK - WON |
| 分类号 |
C02F1/58;(IPC1-7):C02F1/58 |
主分类号 |
C02F1/58 |
| 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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