Journal
CATALYSIS TODAY
Volume 164, Issue 1, Pages 28-33Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2010.10.013
Keywords
1,3-Butadiene hydrogenation; Pd/Al2O3; Pd-Sn/Al2O3; Mixed phase alumina
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The gas phase selective hydrogenation of 1,3-butadiene was studied over Pd and Pd-Sn supported on mixed phase theta/alpha-(MA) and pure alpha-alumina (AA). The catalysts were characterized by XRD, XPS, TEM, and FTIR spectroscopy of adsorbed CO. A remarkable improvement in terms of activity and selectivity in the selective hydrogenation of 1,3-butadiene was achieved over Pd-Sn on the mixed phase alumina support in which butane formation and isomerization of 1-butene were suppressed. Nevertheless, Pd-Sn/AA showed much lower activity than Pd-Sn/MA due to lower metal dispersion. (C) 2010 Elsevier B.V. All rights reserved.
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