A highly effective and stable nano-sized Ni/MgO-Al2O3 catalyst for gas to liquids (GTL) process

Kee Young Koo, Hyunseog Roh, Yu Taek Seo, Dong Joo Seo, Wang Lai Yoon, Seung Bin Park

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

Highly active and stable nano-sized Ni catalysts supported on MgO-Al2O3 prepared from hydrotalcite-like materials have been designed for the combined steam and carbon dioxide reforming of methane (CSCRM), which is a useful process to adjust the H2/CO ratio for Fischer-Tropsch process. Ni/MgO-Al2O3 exhibits remarkable coke resistance, while commercial Ni/MgAl2O4 catalyst shows considerable coke deposition during the target reaction. A strong metal to support interaction (SMSI) of Ni/MgO-Al2O3 enhances coke resistance. The change of the surface area and NiO crystallite size with varying the pre-calcination temperature of support was investigated in relation to the coke resistance. It has been concluded that highly dispersed Ni metal pre-calcined at 800 °C shows good coke resistance and high activity. As a consequence, Ni/MgO-Al2O3 catalyst will be a promising catalyst in CSCRM for the GTL process.

Original languageEnglish
Pages (from-to)2036-2043
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume33
Issue number8
DOIs
Publication statusPublished - 2008 Apr 1

Fingerprint

coke
Coke
catalysts
Catalysts
Liquids
liquids
Gases
gases
Reforming reactions
steam
carbon dioxide
Fischer-Tropsch process
Carbon dioxide
Methane
Steam
methane
Crystallite size
Metals
dioxides
Catalyst supports

All Science Journal Classification (ASJC) codes

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

Cite this

Koo, Kee Young ; Roh, Hyunseog ; Seo, Yu Taek ; Seo, Dong Joo ; Yoon, Wang Lai ; Bin Park, Seung. / A highly effective and stable nano-sized Ni/MgO-Al2O3 catalyst for gas to liquids (GTL) process. In: International Journal of Hydrogen Energy. 2008 ; Vol. 33, No. 8. pp. 2036-2043.
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A highly effective and stable nano-sized Ni/MgO-Al2O3 catalyst for gas to liquids (GTL) process. / Koo, Kee Young; Roh, Hyunseog; Seo, Yu Taek; Seo, Dong Joo; Yoon, Wang Lai; Bin Park, Seung.

In: International Journal of Hydrogen Energy, Vol. 33, No. 8, 01.04.2008, p. 2036-2043.

Research output: Contribution to journalArticle

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T1 - A highly effective and stable nano-sized Ni/MgO-Al2O3 catalyst for gas to liquids (GTL) process

AU - Koo, Kee Young

AU - Roh, Hyunseog

AU - Seo, Yu Taek

AU - Seo, Dong Joo

AU - Yoon, Wang Lai

AU - Bin Park, Seung

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AB - Highly active and stable nano-sized Ni catalysts supported on MgO-Al2O3 prepared from hydrotalcite-like materials have been designed for the combined steam and carbon dioxide reforming of methane (CSCRM), which is a useful process to adjust the H2/CO ratio for Fischer-Tropsch process. Ni/MgO-Al2O3 exhibits remarkable coke resistance, while commercial Ni/MgAl2O4 catalyst shows considerable coke deposition during the target reaction. A strong metal to support interaction (SMSI) of Ni/MgO-Al2O3 enhances coke resistance. The change of the surface area and NiO crystallite size with varying the pre-calcination temperature of support was investigated in relation to the coke resistance. It has been concluded that highly dispersed Ni metal pre-calcined at 800 °C shows good coke resistance and high activity. As a consequence, Ni/MgO-Al2O3 catalyst will be a promising catalyst in CSCRM for the GTL process.

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