| 发明名称 |
Removal of fluoride from waste water consists of acidity adjustment prior to addition of calcium chloride and an organic cationic flocculating agent |
| 摘要 |
The removal of fluoride from waste water comprises adjustment of the water pH to 8.5-8.8 prior to addition of calcium chloride and an organic cationic flocculating agent to the water. After separation of the resulting solid phase, a proportion of this is recirculated to the adjusted water.
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| 申请公布号 |
ES2193854(A1) |
申请公布日期 |
2003.11.01 |
| 申请号 |
ES20010002606 |
申请日期 |
2001.11.23 |
| 申请人 |
ELCOGAS, S.A. |
发明人 |
GUZMAN ISAAC ROSA;BLANCO MARTINEZ ALFONSO;ROJAS LOPEZ ANTONIO;GUZMAN ISAAC ROSA;BLANCO MARTINEZ ALFONSO;ROJAS LOPEZ ANTONIO |
| 分类号 |
C02F1/54;C02F1/58;(IPC1-7):C02F1/58 |
主分类号 |
C02F1/54 |
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