Preparation of unsupported alumina membrane by sol-gel techniques

被引：1
|
作者：
Huang, XR
Meng, GL
Huang, ZT
Geng, JM
机构：
[1] Chemical Engineering Department, South China University of Technology, Guangzhou 510641, China
来源：
JOURNAL OF MEMBRANE SCIENCE | 1997年 / 133卷 / 02期
关键词：
inorganic membranes; alumina membranes; sol-gel technique; rapid gelation processing; preferred orientation;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Unsupported alumina membranes were prepared by sol-gel technique using aluminum isoproxide. The influence of the hydrolysis conditions, the type and concentration of peptizant acid on the boehmite sols has been studied. The suitable hydrolysis temperature for the aluminum isoproxide was above 50 degrees C. Crack-free unsupported alumina membranes were obtained by rapid gelation processing of sols. The boehmite gel membrane and gamma-Al2O3 membrane formed exhibited (020) and (440) preferred orientation.
引用
收藏
页码：145 / 150
页数：6
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