Zeolite a Membranes for Use in Alcohol/Water Separations

Controlled hydrothermal growth on an ultrasonically-anchored nanocrystal precursor layer has provided a route to coherent zeolite A membranes on sintered stainless steel supports. High water selectivity is demonstrated in measurements of fluxes through the membrane using 80–98 mass % ethanol/water m...

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Bibliographic Details
Published in:Chemical engineering research & design 2000-11, Vol.78 (8), p.1084-1088
Main Authors: Holmes, S.M., Schmitt, M., Markert, C., Plaisted, R.J., Forrest, J.O., Sharratt, P.N., Garforth, A.A., Cundy, C.S., Dwyer, J.
Format: Article
Language:English
Subjects:
alcohol/water separations
membrane
silicalite
zeolite
zeolite A
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Summary:Controlled hydrothermal growth on an ultrasonically-anchored nanocrystal precursor layer has provided a route to coherent zeolite A membranes on sintered stainless steel supports. High water selectivity is demonstrated in measurements of fluxes through the membrane using 80–98 mass % ethanol/water mixtures at temperatures of 25–60°C. The use of the hydrophobic/hydrophilic properties of molecular sieve zeolites to separate alcohol water mixtures is discussed.
ISSN:0263-8762
DOI:10.1205/026387600528355