Inorganic membranes and solid state sciences

被引:148
作者
Cot, L [1 ]
Ayral, A [1 ]
Durand, J [1 ]
Guizard, C [1 ]
Hovnanian, N [1 ]
Julbe, A [1 ]
Larbot, A [1 ]
机构
[1] ENSCM, CNRS UM 2, UMR 5635, F-34296 Montpellier 5, France
关键词
inorganic membranes; CVD; hybrid membranes; sol-gel; template; zeolite;
D O I
10.1016/S1293-2558(00)00141-2
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The latest developments in inorganic membranes are closely related to recent advances in solid state science. Sol-gel processing, plasma-enhanced chemical vapor deposition and hydrothermal synthesis are methods that can be used for inorganic membrane preparation. Innovative concepts from material science (templating effect, nanophase materials, growing of continuous zeolite layers, hybrid organic-inorganic materials) have been applied by our group to the preparation of inorganic membrane materials. Sol-gel-derived nanophase ceramic membranes are presented with current applications in nanofiltration and catalytic membrane reactors. Silica membranes with an ordered porosity, due to liquid crystal phase templating effect, are described with potential application in pervaporation. Defect-free and thermally stable zeolite membranes can be obtained through an original synthesis method, in which zeolite crystals are grown inside the pores of a support. Hybrid organic-inorganic materials with permselective properties for gas separation and facilitated transport of solutes in liquid media, have been successfully adapted to membrane applications. Potential membrane developments offered by CVD deposition techniques are also illustrated through several examples related to the preparation of purely inorganic and hybrid organic-inorganic membrane materials. (C) 2000 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
引用
收藏
页码:313 / 334
页数:22
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