Journal
APPLIED CATALYSIS A-GENERAL
Volume 468, Issue -, Pages 18-25Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2013.08.024
Keywords
Nickel-based catalyst; Structured catalyst; Methane dry reforming; Electroless plating; Sol-gel method
Categories
Funding
- Grants-in-Aid for Scientific Research [23656502] Funding Source: KAKEN
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A honeycomb-type nickel-based catalyst was prepared by a combination technique consisting of a sol-gel method and an electroless plating method on a stainless steel substrate. The catalyst layer formed onto the fin substrate consisted of an alumina layer and a nickel component. The alumina layer was porous and was about 7 mu m in thickness, and the nickel component was deposited not only on the alumina surface but also inside the pores. The nickel particles formed on the surface were 70-150 nm in diameter. The prepared nickel-based honeycomb catalyst demonstrated a high performance for methane dry reforming, indicating that the catalyst degradation was quite small even under severe CO2/CH4 conditions. The amount of the deposited carbon onto the nickel-based catalyst was much smaller than that on the commercial catalyst, which was thought to be one of the factors in the reduced deterioration of this honeycomb catalyst. Furthermore, the H-2/CO ratio as a synthesis gas over this nickel-based catalyst was a smaller value than that of the commercial catalyst, which is a convenient reforming property for alkane manufacturing. The deposited carbon on the nickel-based honeycomb catalyst was a whisker carbon with non-condensed state. (C) 2013 Elsevier B.V. All rights reserved.
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