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Effect of water in the precursor solution on the catalytic property of LaMnAl11O19 high temperature combustion catalyst

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Abstract

Manganese-substituted lanthanum hexaaluminates were prepared by the sol-gel method. The effect of water content on the catalyst preparation was examined. Large water content caused a rapid decrease in the surface area. When the R (R is the mole ratio of H2O/ Al(OC3H7)3) is equal to 1.5, the catalyst retains a specific surface area of 13.5 m2 g−1 and shows higher activity in CH4 combustion.

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Authors and Affiliations

  1. College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China

    Jiandong Zheng & Xiaoguang Ren

  2. Beijing Institute of Petrochemical Technology, Beijing, 102617, China

    Jiandong Zheng, Xiaoguang Ren & Yongji Song

  3. Shenyang University of Technology, Liaoyang, 111003, China

    Jiandong Zheng & Guoliang Shen

Authors
  1. Jiandong Zheng
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  2. Xiaoguang Ren
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  3. Yongji Song
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  4. Guoliang Shen
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Correspondence to Xiaoguang Ren.

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Zheng, J., Ren, X., Song, Y. et al. Effect of water in the precursor solution on the catalytic property of LaMnAl11O19 high temperature combustion catalyst. React Kinet Catal Lett 92, 11–17 (2007). https://doi.org/10.1007/s11144-007-5091-7

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  • DOI: https://doi.org/10.1007/s11144-007-5091-7

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