Low-temperature catalytic combustion of benzene over Ni-Mn/CeO2/cordierite catalysts

B. Li, Q. Huang, X. K. Yan, X. L. Xu, Y. Qiu, B. Yang, Y. W. Chen, S. M. Zhu, S. B. Shen

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41 引用 (Scopus)

摘要

The catalytic combustion of benzene over a Ni-Mn mixed oxide supported on cordierite coated with CeO2 was investigated. The catalysts were prepared using a sol-gel method and characterized using BET, H2-TPR, XRD, SEM and TEM. The catalysts calcined at 500°C for 7h with a Ni/Mn molar ratio of 1 exhibited the highest catalytic activity. When the concentration of benzene was 4.8g/m3 and the GHSV was 15,000h-1, the conversion was 94.3% at 300°C. These results were primarily attributed to the catalyst structure and the synergistic activity of the NiMnO3 perovskite and crystalline CeO2.

源语言英语
页(从-至)2359-2363
页数5
期刊Journal of Industrial and Engineering Chemistry
20
4
DOI
出版状态已出版 - 25 7月 2014

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