Journal
CATALYSIS COMMUNICATIONS
Volume 12, Issue 12, Pages 1063-1066Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2011.03.020
Keywords
Propane; Propylene; Dehydrogenation; In2O3-Al2O3; N2O
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Funding
- National Natural Science Foundation of China [20873026, 21073042]
- National Basic Research Program of China [2009CB623506]
- Science & Technology Commission of Shanghai Municipality [08DZ2270500]
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Dehydrogenation of propane coupled with N2O over a series of binary In2O3-Al2O3 mixed oxides was investigated. In contrast to the poor performance for sole N2O decomposition, a remarkable synergy was identified between N2O decomposition and propane dehydrogenation. Among the catalysts tested, the In2O3-Al2O3 sample containing a 20 mol% In2O3 showed the highest activity for propane dehydrogenation in the presence of N2O. Moreover, stability far superior to those of the conventional iron-based materials was observed, attributable to the moderate surface acidity of the In-Al-O composite. The essential role of N2O is suggested to generate active oxygen species facilitating propane dehydrogenation. (C) 2011 Elsevier B.V. All rights reserved.
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