Hydrogen production from methane reforming reactions over Ni/MgO catalyst

Wen Sheng Dong, Hyun Seog Roh, Zhong Wen Liu, Ki Won Jun, Sang Eon Park

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Abstract

The catalyst Ni/MgO (Ni: 15 wt%) has been applied to methane reforming reactions, such as steam reforming of methane (SRM), partial oxidation of methane (POM), and oxy-steam reforming of methane (OSRM). It showed high activity and good stability in all the reforming reactions. Especially, it exhibited stable catalytic performance even in stoichiometric SRM (H2O/CH4 = 1). From TPR and H2 pulse chemisorption results, a strong interaction between NiO and MgO results in a high dispersion of Ni crystallite. Pulse reaction results revealed that both CH4 and O2 are activated on the surface of metallic Ni over the catalyst, and then surface carbon species react with adsorbed oxygen to produce CO.

Original languageEnglish
Pages (from-to)1323-1327
Number of pages5
JournalBulletin of the Korean Chemical Society
Volume22
Issue number12
Publication statusPublished - 2001 Dec 20

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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