期刊
MOLECULAR CATALYSIS
卷 446, 期 -, 页码 72-80出版社
ELSEVIER
DOI: 10.1016/j.mcat.2017.12.020
关键词
CoxMn1-xCeO delta; Combustion reaction; Solid solution; Active oxygen; Low-cost catalyst
资金
- Project of Science and Technology Department of Jiangsu Province [BE2016769]
- Natural Science Foundation of China [51172107]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [14KJB430014]
- Open fund by Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials [KFK1503]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
In this paper, Co-x Mn1-xCeO delta mixed oxides were synthesized using a co -precipitation method. The catalyst's performance for the benzene combustion reaction was evaluated, and CO0.25Mn0.75CeO delta (CMC-0.25) exhibited good catalytic activity, stability and CO2 selectivity. The prepared catalysts were characterized and analyzed completely by XRD, BET, Raman, TEM and HRTEM, XPS, H2-TPR, and O-2-TPD. The results demonstrated that a solid solution was formed with more active oxygen induced by Co doping. Strong interaction effects among Co-Mn-Ce-O were speculated as the main mechanisms underlying the high efficiency catalytic capacity. The prepared Co-doped Mn-Ce mixed oxides catalyst may be a potential low-cost catalyst alternative to replace industrial noble metal catalysts. (C) 2017 Elsevier B.V. All rights reserved.
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