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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Methane Dry Reforming over Ru/CeO2 catalysts

Ru/CeO2 촉매를 이용한 메탄 건식 개질

  • HIEN, NGUYEN THI BICH (Clean Energy and Chemical Engineering, Korea University of Science and Technology) ;
  • JEON, MINA (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • RIDWAN, MUHAMMAD (Clean Energy and Chemical Engineering, Korea University of Science and Technology) ;
  • TAMARANY, RIZCKY (Fuel Cell Research Center, Korea Institute of Science and Technology) ;
  • YOON, CHANG WON (Clean Energy and Chemical Engineering, Korea University of Science and Technology)
  • 뉴옌 히엔 (청정연료 화학공학 한국과학기술연합대학원대학교) ;
  • 전미나 (연료전지연구센터 한국과학기술연구원) ;
  • 무하마드 리드완 (청정연료 화학공학 한국과학기술연합대학원대학교) ;
  • 리즈키 타마라니 (연료전지연구센터 한국과학기술연구원) ;
  • 윤창원 (청정연료 화학공학 한국과학기술연합대학원대학교)
  • Received : 2015.06.25
  • Accepted : 2015.06.30
  • Published : 2015.06.30
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Abstract

Ru catalysts supported on $CeO_2$ were synthesized by an impregnation method and characterized by numerous analytical techniques including X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), transmission electron microscopy (TEM), and scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS). Upon utilization of these catalysts for methane dry reforming with a $CH_4/CO_2$ ratio of 1:1 at different temperatures ranging from 550 to $750^{\circ}C$, the $Ru/CeO_2$ catalysts have shown to be active. In particular, Ru(0.55wt%) supported on $CeO_2$ (1) prepared by a hydrothermal method exhibited excellent activity with the conversion of > 75% at $750^{\circ}C$. In addition, the catalyst also proved to be highly stable for at least 47 h without catalyst deactivation under the dry reforming conditions.

Keywords

References

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