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Preparation of La-Mn-O Perovskite Catalyst by Microwave Irradiation Method and its Application to Methane Combustion

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Abstract

La-Mn-O perovskite catalyst was successfully prepared by microwave irradiation processing using only several minutes for heat treatment, and characterized by XRD, SEM, XPS, H2-TPR and O2-TPD. The catalyst by microwave irradiation processing with 6 min, mainly non-stoichiometric excess oxygen LaMnO3.15 phase, shows excellent catalytic performance. Compared with the sample prepared by conventional method, it possesses relative higher surface area, the increase in Mn4+ and oxygen vacancy content and the enhancement in the mobility of lattice oxygen which play an important part in the methane combustion.

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Acknowledgments

The authors are grateful to the financial support from the Natural Science Foundation of China (20271019, 20876034) and Heilongjiang University Natural Science Funds for Distinguished Young Scholar (JCL200802).

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Authors and Affiliations

  1. Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University), Ministry of Education, School of Chemistry and Materials, Heilongjiang University, 150080, Harbin, People’s Republic of China

    Yujun Zhu, Yueqiu Sun, Xiaoyu Niu, Fulong Yuan & Honggang Fu

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  1. Yujun Zhu
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  2. Yueqiu Sun
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  3. Xiaoyu Niu
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  4. Fulong Yuan
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  5. Honggang Fu
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Correspondence to Fulong Yuan.

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Zhu, Y., Sun, Y., Niu, X. et al. Preparation of La-Mn-O Perovskite Catalyst by Microwave Irradiation Method and its Application to Methane Combustion. Catal Lett 135, 152–158 (2010). https://doi.org/10.1007/s10562-009-0034-8

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  • DOI: https://doi.org/10.1007/s10562-009-0034-8

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