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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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The Effect of Cu Loading on the Performance of Cu-Ce0.8Zr0.2O2 Catalysts for Single Stage Water Gas Shift Reaction

컴팩트 개질기용 수성가스전이 반응에서 Cu-Ce0.8Zr0.2O2 촉매에 Cu 담지량이 미치는 영향

  • KIM, HAK-MIN (Department of Environmental Engineering, Yonsei University) ;
  • JEON, KYUNG-WON (Department of Environmental Engineering, Yonsei University) ;
  • NA, HYUN-SUK (Department of Environmental Engineering, Yonsei University) ;
  • JANG, WON-JUN (Department of Environmental Engineering, Yonsei University) ;
  • JEONG, DAE-WOON (School of Civil, Environmental and Chemical Engineering, Changwon National University)
  • 김학민 (연세대학교 환경공학) ;
  • 전경원 (연세대학교 환경공학) ;
  • 나현석 (연세대학교 환경공학) ;
  • 장원준 (연세대학교 환경공학) ;
  • 정대운 (창원대학교 토목환경화공융합공학부)
  • Received : 2017.07.25
  • Accepted : 2017.08.30
  • Published : 2017.08.30
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Abstract

Single stage water-gas shift reaction has been carried out at a gas hourly space velocity of $150,494h^{-1}$ over $Cu-Ce_{0.8}Zr_{0.2}O_2$ catalysts prepared by a co-precipitation method. Cu loading was optimized to obtain highly active co-precipitated $Cu-Ce_{0.8}Zr_{0.2}O_2$ catalysts for single stage water-gas shift reaction. 80 wt.% $Cu-Ce_{0.8}Zr_{0.2}O_2$ exhibited the excellent catalytic performance as well as 100% $CO_2$ selectivity (CO conversion = 27% at $240^{\circ}C$ for 50 h). The high activity and stability of 80 wt.% $Cu-Ce_{0.8}Zr_{0.2}O_2$ are correlated to low activation energy and large amount of surface Cu atoms.

Keywords

References

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