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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Study on Cu Based Catalysts for Water Gas Shift Reaction to Produce Hydrogen from Waste-Derived Synthesis Gas

폐기물 가스화 합성가스로부터 수소 생산을 위한 수성가스전이 반응용 Cu 기반 촉매 연구

  • Na, Hyun-Suk (Department of Environmental Engineering, Yonsei University) ;
  • Jeong, Dae-Woon (Department of Environmental Engineering, Yonsei University) ;
  • Jang, Won-Jun (Department of Environmental Engineering, Yonsei University) ;
  • Lee, Yeol-Lim (Department of Environmental Engineering, Yonsei University) ;
  • Roh, Hyun-Seog (Department of Environmental Engineering, Yonsei University)
  • Received : 2014.05.16
  • Accepted : 2014.06.30
  • Published : 2014.06.30
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Abstract

Simulated waste-derived synthesis gas has been tested for hydrogen production through water-gas shift (WGS) reaction over supported Cu catalysts prepared by co-precipitation method. $CeO_2$, $ZrO_2$, MgO, and $Al_2O_3$ were employed as supports for WGS reaction in this study. $Cu-CeO_2$ catalyst exhibited excellent catalytic activity as well as 100% $CO_2$ selectivity for WGS in severe conditions ($GHSV=40,206h^{-1}$ and CO concentration = 38.0%). In addition, $Cu-CeO_2$ catalyst showed stable CO conversion for 20h without detectable catalyst deactivation. The high activity and stability of $Cu-CeO_2$ catalyst are correlated to its easier reducibility, high oxygen mobility/storage capacity of $CeO_2$.

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References

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