Ti-Ni-Pd dense membranes-The effect of the gas mixtures on the hydrogen permeation

A. Basile, F. Gallucci, A. Iulianelli, G.F. Tereschenko, M.M. Ermilova, N.V. Orekhova

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Abstract

In this experimental work the influence of co-existing gases on the hydrogen permeation through a Ti-Ni-Pd membrane was studied. It was found that nitrogen, carbon dioxide and helium do not influence the hydrogen permeation through the dense membrane. However, carbon monoxide influences the hydrogen flux at each temperature investigated (400-500 °C). The results show that for low CO concentration (i.e. at H2 upstream >80%), the hydrogen flux through the membrane decreases faster than linearly, while, at H2 upstream <80%, the slope is linear but smaller than the theoretical one. © 2007 Elsevier B.V. All rights reserved. 10.1016/j.memsci.2007.10.028
Original languageEnglish
Pages (from-to)44-50
Number of pages7
JournalJournal of Membrane Science
Volume310
Issue number1-2
DOIs
Publication statusPublished - 2008

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