Journal
CATALYSIS LETTERS
Volume 142, Issue 5, Pages 517-520Publisher
SPRINGER
DOI: 10.1007/s10562-012-0791-7
Keywords
Bimetallic catalyst; Nickel; Gold; Dehydrogenation of propane; Propylene
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Funding
- US Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Bio-sciences [DE-FG02-95ER-14511]
- Robert A. Welch Foundation [A-300]
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Inspired by previous studies on model systems, a series of silica-supported Au-Ni catalysts were prepared and tested for the conversion of propane in the presence of hydrogen. The Au-Ni/SiO2 catalysts were prepared by successive impregnation, i.e. Ni was deposited first followed by Au. TEM/EDX results confirmed the presence of bimetallic Au-Ni nanoparticles. The dehydrogenation of propane to propylene was observed on the Au-Ni bimetallic catalysts, whereas only hydrogenolysis products were observed on the monometallic Ni catalyst. The selectivity to propylene was found to increase monotonically with the Au loading. The results are in good agreement with the results on model catalysts.
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