CATALYTIC PROPERTIES OF SILICOALUMINATES PREPARED BY THE SOL-GEL METHOD - ISOPROPANOL DEHYDRATION

被引：33
|
作者：
LOPEZ, T
ASOMOZA, M
GOMEZ, R
机构：
[1] Universidad Autonoma Metropolitana - Iztapalapa, Dept. of Chemistry, Mexico D.F. 09340
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 1992年 / 147卷
关键词：
D O I：
10.1016/S0022-3093(05)80714-8
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Silico-aluminates were synthesized from aluminum and silicon alkoxides by the sol-gel method and characterized by FTIR spectroscopy. The water and alumina concentration effects in specific BET areas and activity in isopropanol dehydration were studied. High specific BET areas were found and a correlation between the tetrahedral coordination and selectivity as well as deactivation is proposed.
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收藏
页码：769 / 772
页数：4
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