Synthesis of mesoporous alumina-titania membranes by the sol-gel method

被引：7
|
作者：
Bottino, A. [1 ]
Comite, A. [1 ]
Capannelli, G. [1 ]
机构：
[1] Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy
来源：
ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING | 2010年 / 5卷 / 01期
关键词：
ceramic membrane; alumina; titania; mixed oxides; dip coating; sol-gel; SELECTIVE CATALYTIC-REDUCTION; TO-RUTILE TRANSFORMATION; POROUS CERAMIC MEMBRANES; COMPOSITE MEMBRANES; ULTRAFINE PORES; MIXED OXIDES; THIN-FILMS; SUPPORTS; STABILITY; NANOCOMPOSITES;
D O I：
10.1002/apj.374
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Ceramic tubular membranes with alumina-titania top layers were prepared using the dipping procedure and a mixed sol composed of both boehmite and titania. The influence of the Ti/Al ratio, the amount of an organic additive (namely hydroxypropylcellulose), the dip-time, the number of depositions and drying-calcination conditions on the membrane morphology and transport properties were investigated. The conditions for the formation of a defect-free and homogeneous top layer were individuated. (C) 2009 Curtin University of Technology and John Wiley & Sons, Ltd.
引用
收藏
页码：242 / 248
页数：7
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