| 发明名称 |
METHOD FOR REDUCING THE DIOXIN CONTENT OF BLEACHING EARTH |
| 摘要 |
A process is described for reducing the dioxin content of a composition comprising at least one dioxin-containing raw clay or a dioxin-containing bleaching earth, characterized in that the composition is heated to a temperature in the range of about 125 to 650°C.
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| 申请公布号 |
CA2557906(C) |
申请公布日期 |
2012.06.12 |
| 申请号 |
CA20052557906 |
申请日期 |
2005.03.08 |
| 申请人 |
SUED-CHEMIE AG |
发明人 |
ZSCHAU, WERNER;SCHURZ, KLAUS |
| 分类号 |
B01J20/12;C01B33/38;C01B33/40;C01B33/42 |
主分类号 |
B01J20/12 |
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