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http://dx.doi.org/10.12925/jkocs.2011.28.3.9

Autothermal Reforming Reaction of Methane using Ni-Ru/$Al_2O_3$-MgO Metallic Monolith Catalysts  

Lee, Chang-Ho (Department of Chemical Engineering, Chungbuk National Univ.)
Lee, Tae-Jun (Department of Chemical Engineering, Chungbuk National Univ.)
Shin, Jang-Sik (RTI Engineering Co., Ltd.)
Lee, Jong-Dae (Department of Chemical Engineering, Chungbuk National Univ.)
Publication Information
Journal of the Korean Applied Science and Technology / v.28, no.3, 2011 , pp. 321-328 More about this Journal
Abstract
The autothermal reforming reaction of methane was investigated to produce hyd rogen with Ni/$CeO_2-ZrO_2$, Ni/$Al_2O_3$-MgO and Ni-Ru/$Al_2O_3$-MgO catalysts. Honeycomb metalli c monolith was applied in order to obtain high catalytic activity and stability in autothermal r eforming. The catalysts were characterized by XRD, BET and SEM. The influence of various catalysts on hydrogen production was studied for the feed ratio($O_2/CH_4$, $H_2O/CH_4$). The $O_2/CH_4$ and $H_2O/CH_4$ ratio governed the methane conversion and temperature profile of reactor. Th e reactor temperature increased as the reaction shifted from endothermic to exothermic reactio n with increasing $O_2/CH_4$ ratio. Among the catalysts used in the experiment, the Ni-Ru/$Al_2O_3$-MgO catalyst showed the highest activity. The 60% of $CH_4$ conversion was obtained, and th e reactor temperature was maintained $600^{\circ}C$ at the condition of GHSV=$10000h^{-1}$ and feed ratio S/C/O=0.5/1/0.5.
Keywords
Autothermal reforming; Methane; Ni; Metallic Monolith; Hydrogen;
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Times Cited By KSCI : 2  (Citation Analysis)
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