The Influence of Seawater Ions on the Structural Features of MFI, FAU and LTA Zeolites

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Zhu, Bo ORCID: 0000-0001-7600-4583, Zou, Linda, Lin, YS, Hill, Anita J, Wang, Huanting, Huang, Yi and Duke, Mikel ORCID: 0000-0002-3383-0006 (2010) The Influence of Seawater Ions on the Structural Features of MFI, FAU and LTA Zeolites. In: 2010 International Conference on Nanoscience and Nanotechnology. IEEE, Piscataway, N.J., pp. 162-165.


In this work, we study the structural response of MFI, FAU and LTA type zeolite powders to the presence of cations commonly found in sea salts including Na+, K+, Ca2+, and Mg2+. Zeolite powders were exposed to seawater solution (3.8wt% (TDS) ), and the structure of the zeolite powders was characterized by synchrotron X-ray powder diffraction. The results obtained from ion adsorption testing and synchrotron Xray powder diffraction showed that the zeolites interacted with monovalent and divalent cations, and these interactions altered the crystal dimensions of the zeolites. The changes in structure could possibly affect diffusion properties of these materials when used as membranes for desalination.

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Item type Book Section
DOI 10.1109/ICONN.2010.6045228
Official URL
ISBN 9781424452613 (print), 9781424452620 (online), 9781424452620
Subjects Historical > FOR Classification > 0306 Physical Chemistry (incl. Structural)
Historical > FOR Classification > 0904 Chemical Engineering
Historical > Faculty/School/Research Centre/Department > Institute for Sustainability and Innovation (ISI)
Keywords ResPubID22712, ResPubID23275, desalination, ion interactions, synchrotron X-ray powder diffraction, structure change, crystals, crystal dimensions, desalination membranes, diffusion properties, divalent cations, ion adsorption testing, monovalent cations, structural properties, synchrotron X-ray powder diffraction, type zeolite powderszeolites
Citations in Scopus 2 - View on Scopus
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