Thermal, hydrothermal and acid-base stability of highly siliceous MCM-41 mesoporous material

被引：0
|
作者：
Choudhary, VR
Sansare, SD
机构：
来源：
PROCEEDINGS OF THE INDIAN ACADEMY OF SCIENCES-CHEMICAL SCIENCES | 1997年 / 109卷 / 04期
关键词：
siliceous MCM-41; mesoporous zeolite; thermal and hydrothermal stability; acid-base stability;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Influence of various thermal, hydrothermal and acid/base treatments on the structural stability of highly siliceous MCM-41 mesoporous material has been thoroughly investigated. It has good stability towards thermal treatment up to 650 degrees C, hydrothermal treatment at low temperatures(less than or equal to 400 degrees C), and concentrations of steam (less than or equal to 40 mol%), mechanical grinding and acid treatment (for 1 M HCl) but poor stability towards hydrothermal treatment with liquid water (even at 150 degrees C) and base treatment, if it is dissolved in 0.1 M NaOH.
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页码：229 / 233
页数：5
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