| 发明名称 |
SURFACE TREATED CALCIUM CARBONATE AND ITS USE IN WASTE WATER TREATMENT |
| 摘要 |
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. |
| 申请公布号 |
EP2180944(A1) |
申请公布日期 |
2010.05.05 |
| 申请号 |
EP20080718058 |
申请日期 |
2008.03.19 |
| 申请人 |
OMYA DEVELOPMENT AG |
发明人 |
GANE, PATRICK A.C.;SCHOELKOPF, JOACHIM;GANTENBEIN, DANIEL;GERARD, DANIEL E. |
| 分类号 |
B01J20/04;C02F1/28;C02F1/56;C02F103/28;C02F103/32 |
主分类号 |
B01J20/04 |
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