New Ti–Ni dense membranes with low palladium content

The method of preparation of thin foil Ti–Ni–Pd alloy membranes with 2, 5 and 9 wt% of Pd was developed and the phase content and hydrogen permeability of membranes were studied. It was found that Pd adding into Ti–Ni alloy increases the hydrogen permeability of the foils. Thus, the permeability of...

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Published inInternational journal of hydrogen energy Vol. 32; no. 16; pp. 4016 - 4022
Main Authors Tereschenko, G.F., Ermilova, M.M., Mordovin, V.P., Orekhova, N.V., Gryaznov, V.M., Iulianelli, A., Gallucci, F., Basile, A.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.11.2007
Subjects
Cyclohexane dehydrogenation
Hydrogen permeability
Membrane reactor
Pd-alloy membranes
Membrane reactor
Hydrogen permeability
Pd-alloy membranes
Cyclohexane dehydrogenation
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Summary:The method of preparation of thin foil Ti–Ni–Pd alloy membranes with 2, 5 and 9 wt% of Pd was developed and the phase content and hydrogen permeability of membranes were studied. It was found that Pd adding into Ti–Ni alloy increases the hydrogen permeability of the foils. Thus, the permeability of the foil with 9% of Pd was about one order of magnitude higher than that of the Ti–Ni foil. Cyclohexane dehydrogenation on Pt – Re / Al 2 O 3 commercial catalyst carried out in a flow reactor with a Ti–Ni–Pd membrane shows the higher conversions than those of a reactor without membrane due to the hydrogen permeability through the membrane.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2007.03.044