Abstract
The formation of a ferrierite (FER) membrane by a vapor-phase transport method is discussed. The formation process was studied using X-ray diffraction, scanning electron microscopy (SEM), field emission-SEM and energy dispersive X-ray analysis. The same location on the top surface was repeatedly observed at different crystallization times using SEM. It was found that an aluminosilicate species formed from a dry gel layer was mobile over the surface of support during crystallization. This intermediate aluminosilicate species penetrated into the pores of the alumina support to fill them, generating a compact FER-alumina composite layer.
Original language | English |
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Pages (from-to) | 159-168 |
Number of pages | 10 |
Journal | Microporous and Mesoporous Materials |
Volume | 32 |
Issue number | 1-2 |
DOIs | |
Publication status | Published - 1999 Nov 15 |
Keywords
- Formation process
- Synthesis
- Vapor-phase transport
- Zeolitic membrane
ASJC Scopus subject areas
- Chemistry(all)
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials