| 发明名称 |
A process for preparing a flocculant for water treatment |
| 摘要 |
<p>The invention provides a process for preparing a flocculant for water treatment, said process comprising: aging a silica sol having a SiO2 concentration of from 100 to 200 g/L and a viscosity of less than 6 cp to prepare a silica sol having a SiO2 concentration of from 100 to 200 g/L and a viscosity of from 6 to 30 cp, and mixing the aged silica sol with a water-soluble metal salt. <IMAGE></p> |
| 申请公布号 |
EP1260484(A2) |
申请公布日期 |
2002.11.27 |
| 申请号 |
EP20020253715 |
申请日期 |
2002.05.27 |
| 申请人 |
TOKUYAMA CORPORATION;SUIDO KIKO KAISHA, LTD. |
发明人 |
KOGA, YOSHIAKI;OOKUBO, HIROYUKI;HASEGAWA, TAKAO |
| 分类号 |
B01D21/01;B01F3/08;B01F5/04;B01F7/00;B01F7/16;B01F13/10;C02F1/52;C02F1/54;(IPC1-7):C02F1/52;C01B33/14;C01B33/143;C01B33/146 |
主分类号 |
B01D21/01 |
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