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Study on the Structure of Fe/MgO Catalysts for H2S Wet Oxidation

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Abstract

Wet catalytic oxidation was performed at room temperature with 1 wt% Fe/MgO, 4 wt% Fe/MgO, 6 wt% Fe/MgO, 15 wt%/MgO and 30 wt% Fe/MgO catalysts. The 6 wt% Fe/MgO catalyst has a maximum capacity of 2.6 g H2S/gcat for H2S removal. The amounts of paramagnetic Fe3+ cations are correlated with the H2S removal capacity of the Fe/MgO catalysts from Mössbauer experiments. It is observed that the deactivation of the 6 wt% Fe/MgO catalyst can be due to the loss of the paramagnetic Fe3+ cations during the reaction.

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Authors and Affiliations

  1. Eco-Nano Center, Korea Institute of Science and Technology, P.O. Box 131, Seoul, Korea

    Kwang-Deog Jung & Oh-Shim Joo

  2. Department of Physics, Kookmin University, Seoul, 136-702, Korea

    Chul-Sung Kim

Authors
  1. Kwang-Deog Jung
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  2. Oh-Shim Joo
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  3. Chul-Sung Kim
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Jung, KD., Joo, OS. & Kim, CS. Study on the Structure of Fe/MgO Catalysts for H2S Wet Oxidation. Catalysis Letters 84, 53–57 (2002). https://doi.org/10.1023/A:1021072500744

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