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Zeolite a Membranes for Use in Alcohol/Water Separations:Part I: Experimental Investigation

Authors
Journal
Chemical Engineering Research and Design
0263-8762
Publisher
Elsevier
Publication Date
Volume
78
Issue
8
Identifiers
DOI: 10.1205/026387600528355
Keywords
  • Zeolite
  • Membrane
  • Silicalite
  • Zeolite A
  • Alcohol/Water Separations
Disciplines
  • Earth Science
  • Geography

Abstract

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.

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