| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10390066 | Separation and Purification Technology | 2005 | 5 Pages |
Abstract
The ZSM-5 type membrane was prepared on a flat cordierite support by low temperature chemical vapor deposition (LTCVD) of a silica layer, followed by an in situ crystallization in vapor phase. The membrane obtained consisted of loosely-packed zeolite crystals in the pores of the support. The silica-alumina ratio of the membrane zeolite layer determined by EDX was low, indicating a hydrophilic nature of the membrane. The performances of the ZSM-5 membrane in the separation of water-alcohol mixtures by pervaporation were studied and discussed with respect to the membrane structure and the alcohol nature. The membrane showed very high selectivity towards water in the water-ethanol mixture. The transport mechanism of the membrane has also been discussed.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Filtration and Separation
Authors
Lizhi Zhou, Tao Wang, Quang Trong Nguyen, Jun Li, Yingcai Long, Zhenghua Ping,