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http://dx.doi.org/10.12925/jkocs.2003.20.4.3

Effect of Support on Synthesis Gas Production of Supported Ni Catalysts  

Kim, Sang-Bum (Department of Chemical Engineering, Myongji University)
Park, Eun-Seok (Department of Chemical Engineering, Myongji University)
Cheon, Han-Jin (Department of Chemical Engineering, Myongji University)
Kim, Young-Kook (Department of Chemical Engineering, Myongji University)
Lim, Yun-Soo (Department of Ceramic Engineering, Myongji University)
Park, Hong-Soo (Department of Chemical Engineering, Myongji University)
Hahm, Hyun-Sik (Department of Chemical Engineering, Myongji University)
Publication Information
Journal of the Korean Applied Science and Technology / v.20, no.4, 2003 , pp. 289-295 More about this Journal
Abstract
Synthesis gas is produced commercially by a steam reforming process. However, the process is highly endothermic and energy intensive. Thus, this study was conducted to produce synthesis gas by the partial oxidation of methane to cut down the energy cost. Supported Ni catalysts were prepared by the impregnation method. To examine the activity of the catalysts, a differential fixed bed reactor was used, and the reaction was carried out at $750{\sim}850^{\circ}C$ and 1 atm. The fresh and used catalysts were characterized by XRD, XPS, TGA and AAS. The highest catalytic activity was obtained with the 13wt% Ni/MgO catalyst, with which methane conversion was 81%, and $H_2$ and CO selectivities were 94% and 93%, respectively. 13wt% Ni/MgO catalyst showed the best $MgNiO_2$ solid solution state, which can explain the highest catalytic activity of the 13wt% Ni/MgO catalyst.
Keywords
synthesis gas; partial oxidation of methane; supported Ni catalysts; support effect;
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