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Issue 20, 2018
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Preparation of a monolith MnOx–CeO2/La–Al2O3 catalyst and its properties for catalytic oxidation of toluene

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Abstract

MnOx–CeO2/La–Al2O3 catalysts prepared by the deposition–precipitation method, impregnation method and a combination of the two methods were investigated for toluene oxidation. The results showed that the MnOx–CeO2/La–Al2O3 catalyst prepared by the deposition–precipitation method showed the best catalytic activity by achieving the complete conversion of toluene at 300 °C with a GHSV of 12 000 h−1. N2 adsorption–desorption, XRD, SEM-EDX, H2-TPR, O2-TPD, Toluene-TPD and XPS were employed for catalyst characterization. The characterization results revealed that the MnOx–CeO2/La–Al2O3 catalyst prepared by the deposition–precipitation method had richer surface oxygen species, a higher proportion of Mn4+ and good low-temperature redox properties, which resulted in a superior catalytic activity toward complete oxidation of toluene.

Graphical abstract: Preparation of a monolith MnOx–CeO2/La–Al2O3 catalyst and its properties for catalytic oxidation of toluene

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Publication details

The article was received on 11 Jun 2018, accepted on 05 Sep 2018 and first published on 21 Sep 2018


Article type: Paper
DOI: 10.1039/C8NJ02908C
Citation: New J. Chem., 2018,42, 16875-16885
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    Preparation of a monolith MnOx–CeO2/La–Al2O3 catalyst and its properties for catalytic oxidation of toluene

    X. Zhou, X. Lai, T. Lin, J. Feng, Z. Hou and Y. Chen, New J. Chem., 2018, 42, 16875
    DOI: 10.1039/C8NJ02908C

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