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Applying spray pyrolysis to synthesize MnO x for decomposing isopropyl alcohol in ozone- and thermal-catalytic oxidation

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Abstract

Manganese oxides (MnO x ) were prepared by spray pyrolysis methods (Mn S ) and calcination at 600 and 1,000 °C (Mn600 and Mn1000) in this study. Further, the efficiencies of oxidizing isopropanol (IPA) by these MnO x utilizing ozone (OZCO) and thermal catalytic oxidation (TCO) were compared. The results indicated that Mn S , which are characterized by larger surface areas, processed gas hourly space velocity of 42,000 h−1 and inlet IPA concentration of 400 ppm performing IPA decomposition efficiencies approaching 100%, and the reaction temperature was operated at only 85 °C for OZCO. The reaction temperature of TCO operated above 270 °C decomposed IPA at the same efficiency.

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Authors and Affiliations

  1. Department of Environmental Engineering and Health, Yuanpei University, Hsinchu City, Taiwan

    Chung-Liang Chang & Yu-Chih Lin

  2. Institute of Environmental Engineering, National Chiao Tung University, Hsinchu City, Taiwan

    Hsunling Bai & Yu-Huei Liu

Authors
  1. Chung-Liang Chang
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  2. Yu-Chih Lin
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  3. Hsunling Bai
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  4. Yu-Huei Liu
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Correspondence to Yu-Chih Lin.

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Chang, CL., Lin, YC., Bai, H. et al. Applying spray pyrolysis to synthesize MnO x for decomposing isopropyl alcohol in ozone- and thermal-catalytic oxidation. Korean J. Chem. Eng. 26, 1047–1052 (2009). https://doi.org/10.1007/s11814-009-0174-y

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  • DOI: https://doi.org/10.1007/s11814-009-0174-y

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