TY - JOUR
T1 - Catalytic oxidative dehydrogenation of propane over Mg-V-Mo oxides
AU - Pless, Jason D.
AU - Bardin, Billy B.
AU - Stair, Peter C.
AU - Poeppelmeier, Kenneth R.
N1 - Funding Information:
The authors thank Erl Thorsteinson for setting up this collaboration and his helpful discussions and Richard Chaffin for the Krypton BET surface area measurements. The authors gratefully acknowledge support by the National Science Foundation and the Department of Energy under the Environmental Molecular Science Institutes program (Grant 9810378) at the Northwestern University Institute for Environmental Catalysis and made use of the Central Facilities supported by the MRSEC program of the National Science Foundation (Grant DMR-0076097) at the Materials Research Center of Northwestern University. B. Bardin acknowledges The Dow Chemical Company for support of this work.
PY - 2004
Y1 - 2004
N2 - A series of single-phase compositions found in the MgO - V 2O 5 - MoO 3 ternary phase diagram, e.g., Mg 3(VO 4) 2, Mg 2V 2O 7, MgMoO 4, etc., were studied for their activity and selectivity for the oxidative dehydrogenation (ODH) of propane. Molybdenum substitution on vanadium sites increased both the selectivity and activity of propane ODH. The increase in selectivity and activity seen with molybdenum substitution was associated with Mg cation vacancies formed from the substitution of Mo 6+ for V 5+. The cation vacancies allowed for a more facile diffusion of the bulk oxide anions to the catalyst surface. The relationship between structure and the catalytic activity and selectivity of Mg 3(VO 4) 2 and Mg 0.992MoO 3.992 was studied by in situ visible and UV Raman spectroscopy. The present work was directed toward understanding the reaction mechanism of propane ODH on the catalyst surface. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA, 8/22-26/2004).
AB - A series of single-phase compositions found in the MgO - V 2O 5 - MoO 3 ternary phase diagram, e.g., Mg 3(VO 4) 2, Mg 2V 2O 7, MgMoO 4, etc., were studied for their activity and selectivity for the oxidative dehydrogenation (ODH) of propane. Molybdenum substitution on vanadium sites increased both the selectivity and activity of propane ODH. The increase in selectivity and activity seen with molybdenum substitution was associated with Mg cation vacancies formed from the substitution of Mo 6+ for V 5+. The cation vacancies allowed for a more facile diffusion of the bulk oxide anions to the catalyst surface. The relationship between structure and the catalytic activity and selectivity of Mg 3(VO 4) 2 and Mg 0.992MoO 3.992 was studied by in situ visible and UV Raman spectroscopy. The present work was directed toward understanding the reaction mechanism of propane ODH on the catalyst surface. This is an abstract of a paper presented at the 228th ACS National Meeting (Philadelphia, PA, 8/22-26/2004).
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M3 - Conference article
AN - SCOPUS:5044250053
VL - 228
SP - INOR-366
JO - ACS National Meeting Book of Abstracts
JF - ACS National Meeting Book of Abstracts
SN - 0065-7727
IS - 1
T2 - Abstracts of Papers - 228th ACS National Meeting
Y2 - 22 August 2004 through 26 August 2004
ER -