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Reaction Characteristics of Thermochemical Methane Reforming on Ferrite-Based Metal Oxide Mediums  

Cha, Kwang-Seo (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Lee, Dong-Hee (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Jo, Won-Jun (R&D Division, Korea Gas Corporation)
Lee, Young-Seak (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Kim, Young-Ho (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.18, no.2, 2007 , pp. 140-150 More about this Journal
Abstract
Thermochemical 2-step methane reforming, involving the reduction of metal oxide with methane to produce syngas and the oxidation of the reduced metal oxide with water to produce pure hydrogen, was investigated on ferrite-based metal oxide mediums. The mediums, CoFZ, CuFZ, or MnFZ, were composed of the mixture of M(M=Co, Cu or Mn)-substituted ferrite as an active component and $ZrO_2$ as a binder, respectively. The WZ medium, composed of the mixture of $WO_3$ and $ZrO_2$, was also prepared to compare. With an addition of $ZrO_2$, the surface area of the mediums was slightly increased and the sintering of active components was greatly suppressed during the reduction. The higher reactivity of the reduced mediums for water splitting was confirmed by the temperature programmed reaction. From the results of the thermochemical 2-step methane reforming, the reactivity of $CH_4$ reduction and water splitting with ferrite-based metal oxide mediums was relatively higher than that with WZ, and the order of reactivity of the mediums was MnFZ>CoFZ>CuFZ>WZ.
Keywords
methane reforming; thermochemical; hydrogen; metal oxide; ferrite;
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Times Cited By KSCI : 1  (Citation Analysis)
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