Journal
CHEMCATCHEM
Volume 9, Issue 24, Pages 4480-4483Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201701255
Keywords
carbon dioxide; doping; iron; mesoporous materials; oxidative dehydrogenation
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Funding
- National Natural Science Foundation of China (NSFC) [21606172]
- PetroChina Innovation Foundation [2016D-5007-0502]
- Project from Tianjin University of Science Technology [2014CXLG15]
- Project from Tianjin Education Commission [2017KDYB17, 2017KDYB18]
- National Training Program of Innovation and Entrepreneurship for Undergraduates [201610057135]
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Iron-doped ordered mesoporous alumina (meso-FeAl) was synthesized through a one-pot method and used in the synthesis of 1,3-butadiene (BD) through the oxidative dehydrogenation of 1-butene by using CO2 as a soft oxidant. X-ray diffraction, N-2 adsorption, and transmission electron microscopy results confirmed the ordered mesoporous structure of the meso-FeAl catalyst with a high specific surface area and a large pore volume. The results also revealed that iron species were highly dispersed inside the alumina matrix. Relative to the Fe2O3-impregnated meso-Al2O3 catalyst and the conventional Fe2O3/-Al2O3 catalyst, meso-FeAl showed excellent catalytic activity, good stability, and high selectivity for the synthesis of BD. The structural properties as well as the form of the iron species existing in the meso-FeAl matrix positively contributed to the performance of the catalyst.
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