期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 37, 期 15, 页码 11122-11131出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2012.05.011
关键词
Acetic acid; Bio-oil; Reforming; Hydrogen; Co-Fe; DFT
资金
- Zhejiang Provincial Natural Science Foundation of China [R1110089]
- National Natural Science Foundation of China [51106145]
- Research Fund for the Doctoral Program of Higher Education of China [20090101110034]
- Zhejiang Provincial Key Science and Technology Innovation Team Program [2009R50012]
- Fundamental Research Funds for the Central Universities [2011FZA4012]
An experimental study on the catalytic steam reforming of acetic acid was initially performed over a series of co-precipitated Co-Fe unsupported catalysts at relatively low temperatures. It was found that the catalyst activity increased with increasing cobalt content, and the highest performance, with an acetic acid conversion of 100% and an H-2 yield of 96% was obtained over pure cobalt catalyst at 400 degrees C. The catalysts have been systematically characterized by BET, XRD, and HRTEM. The results revealed that the superior activity and stability of pure cobalt catalyst can be ascribed to small particle size, coexistence of metallic cobalt and CoO, and stable H2O adsorption. Furthermore, the mechanism route of acetic acid decomposition on cobalt surface was proposed via DFT calculations. Copyright 0 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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