Volume 8, Issue 1 (winter 2011 2011)                   IJMSE 2011, 8(1): 19-24 | Back to browse issues page

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M. Kazemimoghadam, and T. Mohammad. PREPARATION OF NANO PORE MORDENITE MEMBRANES. IJMSE 2011; 8 (1) :19-24
URL: http://ijmse.iust.ac.ir/article-1-330-en.html
PREPARATION OF NANO PORE MORDENITE MEMBRANES
M. Kazemimoghadam , And T. Mohammad
Abstract:   (27388 Views)
Abstract: Nano pore Mordenite membranes were prepared on the outer surface of ceramic tubular tubes via hydrothermal synthesis and evaluated for dehydration pervaporation of water unsymmetrical dimethylhydrazine UDMH mixtures. Highly water-selective mordenite membranes were prepared and the optimum reaction condition was found to be 24 h crystallization time and 170 °C crystallization temperature. Effect of gel composition on separation factor and water flux of the water-UDMH mixtures was investigated. X-ray diffraction (XRD) patterns showed that mordenite is the only zeolite material which presents in the membrane. Morphology of the supports subjected to crystallization was characterized by Scanning electron microscopy (SEM). In PV of the water-UDMH mixtures, the membrane exhibits a hydrophilic behavior, with a high selectivity towards water and a good flux. The best membranes had a water flux of 2.67 kg/m2.h at 27 °C. The best PV selectivity was obtained to be 264.
Keywords: Nano pore Zeolite membrane; Mordenite; Pervaporation; UDMH; hydrothermal synthesis
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Type of Study: Research Paper |
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