Citation: ZHANG Lei, PAN Li-wei, NI Chang-jun, SUN Tian-jun, WANG Shu-dong, HU Yong-kang, WANG An-jie, ZHAO Sheng-sheng. Effects of precipitation aging time on the performance of CuO/ZnO/CeO₂-ZrO₂ for methanol steam reforming[J]. Journal of Fuel Chemistry and Technology, ;2013, 41(7): 883-888. shu

Effects of precipitation aging time on the performance of CuO/ZnO/CeO₂-ZrO₂ for methanol steam reforming

1.
1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China;

Corresponding author: PAN Li-wei, WANG Shu-dong,
Received Date: 26 April 2013
Available Online: 2 June 2013
Fund Project: National Natural Science Foundation of China (21076206) (21076206) Natural Basic Research Program of China (973 Program, 2010CB732302) (973 Program, 2010CB732302) National High Technology Research and Development Program (863 Program, 2011AA050706). (863 Program, 2011AA050706)

CuO/ZnO/CeO₂-ZrO₂ catalysts for methanol steam reforming (MSR) were prepared by a co-precipitation procedure, and the effects of precipitation aging time on the catalytic performance were investigated. It was found that the prolonged precipitation aging time increased the surface Cu atoms and improved the reducibility of catalyst, but decreased the oxygen storage capacity. A nearly linear increase between the surface Cu atoms and H₂ production rate was obtained in prepared CuO/ZnO/CeO₂-ZrO₂ catalysts with prolonged precipitation aging time. However, CO concentration increased with the decrease of the oxygen storage capacity. Considering the H₂ production rate and CO level, the optimal precipitation aging time was 2 h. CuO/ZnO/CeO₂-ZrO₂ prepared using this aging time exhibited the best activity with suppressed CO formation.
- methanol steam reforming,
- aging time,
- hydrogen,
- CuO/ZnO/CeO₂-ZrO₂,
- CO concentration
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沈阳化工大学材料科学与工程学院沈阳 110142

Effects of precipitation aging time on the performance of CuO/ZnO/CeO2-ZrO2 for methanol steam reforming

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通讯作者: 陈斌, bchen63@163.com

Effects of precipitation aging time on the performance of CuO/ZnO/CeO₂-ZrO₂ for methanol steam reforming