Hydrogen production by steam reforming of methane over mixed Ni/MgAl + CrFe<inf>3</inf>O<inf>4</inf> catalysts

Na Young Kim, Eun Hyeok Yang, Sung Soo Lim, Jae Sun Jung, Jae Suk Lee, Gi Hoon Hong, Young Su Noh, Kwan Young Lee, Dong Ju Moon

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Steam reforming of methane (SRM) was performed over a mixed Ni/MgAl + CrFe<inf>3</inf>O<inf>4</inf> catalyst. The catalyst was prepared by physical mixing method and it was compared to Ni/MgAl and iron or chromium promoted M/Ni/MgAl catalysts prepared by impregnation method. Catalysts were characterized by various analytical techniques such as nitrogen physisorption, TPR, XRD, TGA and SEM. The catalytic activity in a fixed-bed reactor was investigated at a temperature range of 500-700 °C, 1 bar pressure and feed molar ratio of H<inf>2</inf>O/CH<inf>4</inf> = 2. TPR and XRD illustrated that segregated Ni particles were observed with promoted M-Ni/MgAl catalysts and it leads to reduce the active Ni metal. The addition of the Cr/Fe<inf>3</inf>O<inf>4</inf> catalyst activates steam and easily reacts with methane. Consequently, physically mixed catalysts showed higher hydrogen selectivity and methane conversion than the other catalysts.

Original languageEnglish
Pages (from-to)11848-11854
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume40
Issue number35
DOIs
Publication statusPublished - 2015 Sep 21

Fingerprint

Steam reforming
hydrogen production
Hydrogen production
steam
Methane
methane
catalysts
Catalysts
Physisorption
Catalyst selectivity
Impregnation
catalytic activity
beds
chromium
Chromium
Catalyst activity
Steam
selectivity
reactors
Iron

Keywords

  • Hydrogen production
  • Physically mixed catalyst
  • Steam reforming
  • WGS reaction

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Hydrogen production by steam reforming of methane over mixed Ni/MgAl + CrFe<inf>3</inf>O<inf>4</inf> catalysts. / Kim, Na Young; Yang, Eun Hyeok; Lim, Sung Soo; Jung, Jae Sun; Lee, Jae Suk; Hong, Gi Hoon; Noh, Young Su; Lee, Kwan Young; Moon, Dong Ju.

In: International Journal of Hydrogen Energy, Vol. 40, No. 35, 21.09.2015, p. 11848-11854.

Research output: Contribution to journalArticle

Kim, Na Young ; Yang, Eun Hyeok ; Lim, Sung Soo ; Jung, Jae Sun ; Lee, Jae Suk ; Hong, Gi Hoon ; Noh, Young Su ; Lee, Kwan Young ; Moon, Dong Ju. / Hydrogen production by steam reforming of methane over mixed Ni/MgAl + CrFe<inf>3</inf>O<inf>4</inf> catalysts. In: International Journal of Hydrogen Energy. 2015 ; Vol. 40, No. 35. pp. 11848-11854.
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