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Solid-state reaction between MoS2 and MoO3 in a fluidized bed reactor

  • Catalysis, Reaction Engineering
  • Published:
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Abstract

MoO2 was produced by mixing MoS2 and MoO3 via a solid-state reaction in a fluidized bed reactor. The basic fluidization data were acquired by monitoring the minimum fluidization velocity of MoS2 and MoO3. The conversion rate of MoS2 and MoO3 to MoO2 was derived based on the solid-state reactions carried out for 1 h at various stoichiometric ratios. This study confirmed that the optimal stoichiometric ratio of MoS2 and MoO3 was 1.0: 6. The conversion rate at the optimum stoichiometric ratio was studied by varying the reaction temperature. A conversion rate of 99% was achieved when the reaction temperature and superficial gas velocity were 973 K and 0.3 m/s, respectively. Detailed analysis of the final product after the solid-state reaction was by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive spectrometry (EDS) and X-ray diffraction (XRD), to determine the shape, structure, and diffraction patterns.

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Acknowledgement

This work was supported by the Korean Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20172010106310) and the BB21 + Project in 2021.

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Authors and Affiliations

  1. Climate Change Research Division, Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon, 34129, Korea

    Jae-Rang Lee

  2. Department of Chemical Engineering, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Korea

    Yong-Ha Kim & Yong Sun Won

Authors
  1. Jae-Rang Lee
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  2. Yong-Ha Kim
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  3. Yong Sun Won
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Corresponding authors

Correspondence to Yong-Ha Kim or Yong Sun Won.

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Lee, JR., Kim, YH. & Won, Y.S. Solid-state reaction between MoS2 and MoO3 in a fluidized bed reactor. Korean J. Chem. Eng. 38, 1791–1796 (2021). https://doi.org/10.1007/s11814-021-0797-1

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  • DOI: https://doi.org/10.1007/s11814-021-0797-1

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