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Rh-Ni and Rh-Co Catalysts for Autothermal Reforming of Gasoline
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  • Rh-Ni and Rh-Co Catalysts for Autothermal Reforming of Gasoline
  • Rh-Ni and Rh-Co Catalysts for Autothermal Reforming of Gasoline
저자명
Jung. Yeon-Gyu,Lee. Dae Hyung,Kim. Yongmin,Lee. Jin Hee,Nam. Suk-Woo,Choi. Dae-Ki,Yoon. Chang Won
간행물명
Bulletin of the Korean Chemical Society
권/호정보
2014년|35권 1호|pp.231-235 (5 pages)
발행정보
대한화학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Rh doped Ni and Co catalysts, Rh-M/$CeO_2$(20 wt %)-$Al_2O_3$ (0.2 wt % of Rh; M = Ni or Co, 20 wt %) were synthesized to produce hydrogen via autothermal reforming (ATR) of commercial gasoline at $700^{circ}C$ under the conditions of a S/C ratio of 2.0, an O/C ratio of 0.84, and a gas hourly space velocity (GHSV) of $20,000h^{-1}$. The Rh-Ni/$CeO_2$(20 wt %)-$Al_2O_3$ catalyst (1) exhibited excellent activities, with $H_2$ and ($H_2$+CO) yields of 2.04 and 2.58 mol/mol C, respectively. In addition, this catalyst proved to be highly stable over 100 h without catalyst deactivation, as evidenced by energy dispersive spectroscopy (EDX) and elemental analyses. Compared to 1, Rh-Co/$CeO_2$(20 wt %)-$Al_2O_3$ catalyst (2) exhibited relatively low stability, and its activity decreased after 57 h. In line with this observation, elemental analyses confirmed that nearly no carbon species were formed at 1 while carbon deposits (10 wt %) were found at 2 following the reaction, which suggests that carbon coking is the main process for catalyst deactivation.