| 发明名称 |
MODIFIED CRYSTALLINE ALUMINOSILICATE ZEOLITES AND PROCESS FOR THEIR PREPARATION |
| 摘要 |
A process for the manufacture of a modified aluminosilicate zeolite is disclosed which comprises contacting a starting zeolite in an aqueous phase with a dealuminating agent at a pH value of lower than 4 in the presence of a soluble silica. A novel zeolite composition is also disclosed which has increased acid and thermal stability.
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| 申请公布号 |
CA2040192(A1) |
申请公布日期 |
1991.10.12 |
| 申请号 |
CA19912040192 |
申请日期 |
1991.04.10 |
| 申请人 |
CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. |
发明人 |
SATO, GORO;ARIMA, YUSAKU;IDA, TAKANORI |
| 分类号 |
C01B39/02;(IPC1-7):B01J29/04;B01J29/06;B01J29/08;B01J29/18 |
主分类号 |
C01B39/02 |
| 代理机构 |
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