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A Study of Methane Partial Oxidation Characteristics on CuFe2O4  

Woo, Sung Woung (Department of Chemical Engineering, Chungnam National University)
Kang, Yong (Department of Chemical Engineering, Chungnam National University)
Kang, Kyoung Soo (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Kim, Chang Hee (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Kim, Chul Sung (Department of Physics, Kookmin University)
Park, Chu Sik (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Publication Information
Korean Chemical Engineering Research / v.46, no.6, 2008 , pp. 1113-1118 More about this Journal
Abstract
Characteristics of reduction properties and carbon deposition of $CuFe_2O_4$ and $Fe_3O_4$ were investigated by using TGA, XRD, SEM, TEM and gas analysis at $900^{\circ}C$. XRD analyses indicated that the reduced $Fe_3O_4$ was composed of Fe, graphite and $Fe_3C$ phases. In contrast, the reduced $CuFe_2O_4$ did not show the graphite or $Fe_3C$ phases. It was observed by SEM analysis that the surface of the $Fe_3O_4$ was completely covered with carbon, after methane partial oxidation. From gas analysis, $CuFe_2O_4$ showed much higher methane conversion and reduction kinetics as compared to the $Fe_3O_4$ under the same reaction conditions and the estimated carbon deposition amounts on the reduced $CuFe_2O_4$ was much lower than those on the reduced $Fe_3O_4$ during the syngas production process. It was found by TEM that carbon on the reduced $Fe_3O_4$ particles has a platelet shape.
Keywords
Carbon Deposit; Partial Oxidation; Cu-ferrite; Methane; Syngas;
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Times Cited By KSCI : 3  (Citation Analysis)
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