| 发明名称 |
SURFACE TREATED CALCIUM CARBONATE AND ITS USE IN WASTE WATER TREATMENT |
| 摘要 |
<p>The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.</p> |
| 申请公布号 |
CA2679248(C) |
申请公布日期 |
2015.10.06 |
| 申请号 |
CA20082679248 |
申请日期 |
2008.03.19 |
| 申请人 |
OMYA DEVELOPMENT AG |
发明人 |
GANE, PATRICK A. C.;SCHOLKOPF, JOACHIM;GANTENBEIN, DANIEL;GERARD, DANIEL E. |
| 分类号 |
C02F1/28;B01J20/04;C01F11/18;C02F1/56 |
主分类号 |
C02F1/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
