한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제23권2호
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  • Pages.111-116
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  • 2012
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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Single stage WGS 반응용 Pt-Na/CeO2 촉매 연구

A Study on Pt-Na/CeO2 Catalysts for Single Stage Water Gas Shift Reaction

  • Jeong, Dae-Woon (Dept. of Environmental Engineering, Yonsei University) ;
  • Shim, Jae-Oh (Dept. of Environmental Engineering, Yonsei University) ;
  • Jang, Won-Jun (Dept. of Environmental Engineering, Yonsei University) ;
  • Roh, Hyun-Seog (Dept. of Environmental Engineering, Yonsei University)
  • 투고 : 2012.04.06
  • 심사 : 2012.04.27
  • 발행 : 2012.04.30
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초록

Na promoted Pt/$CeO_2$ catalysts with various Na amounts (1, 2, and 3wt%) have been applied to water gas shift reaction (WGS) at a gas hourly space velocity (GHSV) of 45515 $h^{-1}$. 1wt%Pt-2wt%Na/$CeO_2$ catalyst exhibited the highest WGS activity at $240^{\circ}C$ among the catalysts prepared in this study. In addition, 1wt%Pt-2wt%Na/$CeO_2$ catalyst showed relatively stable activity with time on stream. The high activity/stability of 1wt%Pt-2wt%Na/$CeO_2$ catalyst was correlated to its easier reducibility and higher oxygen storage capacity (OSC). As a result, 2wt% Na promoted Pt/$CeO_2$ can be a promising candidate catalyst for the single stage WGS, which requires high intrinsic activity at very high GHSV.

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참고문헌

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피인용 문헌

  1. A Study on Preferential CO Oxidation over Supported Pt Catalysts to Produce High Purity Hydrogen vol.24, pp.5, 2013, https://doi.org/10.7316/KHNES.2013.24.5.353
  2. A Study on Cu Based Catalysts for Water Gas Shift Reaction to Produce Hydrogen from Waste-Derived Synthesis Gas vol.25, pp.3, 2014, https://doi.org/10.7316/KHNES.2014.25.3.227