Low temperature steam reforming of methane using metal oxide promoted Ni-Ce0.8Zr0.2O2 catalysts in a compact reformer

Hak Min Kim, Won Jun Jang, Seong Yeun Yoo, Jae Oh Shim, Kyung Won Jeon, Hyun Suk Na, Yeol Lim Lee, Byong Hun Jeon, Jong Wook Bae, Hyun Seog Roh

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Abstract

Metal oxide (MgO, CaO, and La2O3) promoted Ni-Ce0.8Zr0.2O2 catalysts have been applied for low-temperature steam reforming of methane (SRM), and the promoter effect was investigated. The addition of the metal oxides improved the basicity which enhances the resistance coke formation and catalytic activity. Among the prepared catalysts, the Ni-La2O3-Ce0.8Zr0.2O2 catalyst exhibited high activity and stability at a very high gas hourly space velocity of 621,704 h−1. This was mainly due to high dispersion of Ni, strong basicity of La2O3, and strong interaction between Ni and La2O3.

Original languageEnglish
Pages (from-to)262-270
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume43
Issue number1
DOIs
Publication statusPublished - 2018 Jan 4

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All Science Journal Classification (ASJC) codes

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

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