Catalytic characteristics of spinel CuM<sub>2</sub>O<sub>4</sub> (M=Al, Fe, Cr) for the steam reforming of methanol

LI Guang-jun; XI Hong-juan; ZHANG Su-hong; GU Chuan-tao; QIN Shao-jun; HOU Xiao-ning; GAO Zhi-xian

Volume 40 Issue 12

Dec. 2012

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Article Navigation > Journal of Fuel Chemistry and Technology > 2012 > 40(12): 1466-1471

LI Guang-jun, XI Hong-juan, ZHANG Su-hong, GU Chuan-tao, QIN Shao-jun, HOU Xiao-ning, GAO Zhi-xian. Catalytic characteristics of spinel CuM2O4 (M=Al, Fe, Cr) for the steam reforming of methanol[J]. Journal of Fuel Chemistry and Technology, 2012, 40(12): 1466-1471.

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LI Guang-jun, XI Hong-juan, ZHANG Su-hong, GU Chuan-tao, QIN Shao-jun, HOU Xiao-ning, GAO Zhi-xian. Catalytic characteristics of spinel CuM₂O₄ (M=Al, Fe, Cr) for the steam reforming of methanol[J]. Journal of Fuel Chemistry and Technology, 2012, 40(12): 1466-1471.

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Catalytic characteristics of spinel CuM₂O₄ (M=Al, Fe, Cr) for the steam reforming of methanol

1.
Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
3.
Colleage of Mining Technology, Taiyuan University of Technology, Taiyuan 030024, China

Received Date: 2012-04-25
Rev Recd Date: 2012-06-29
Publish Date: 2012-12-31

Abstract

Abstract

Spinel oxides of CuAl₂O₄, CuFe₂O₄ and CuCr₂O₄ were prepared by citrate process at 900 ℃, and their catalytic properties for methanol steam reforming was evaluated. In combination with the XRD, H₂-TPR, SEM and BET data, the catalytic characteristics of spinel oxides were also discussed. The results showed that the morphology and size of the three spinel oxides were quite different and catalytic properties varied among the three spinel oxide catalysts. CuAl₂O spinel showed the highest stability and lowest CO selectivity while CuFe₂O₄ indicated the highest CO selectivity and poor stability and CuCr₂O₄ encountered serious coke deposition. It has been shown, according to the long test data and results, that active Cu species were released from copper based spinel during methanol steam reforming, and their catalytic performances were influenced by both Cu sintering and coke deposition.
- CuAl₂O₄,
- CuFe₂O₄,
- CuCr₂O₄,
- methanol steam reforming,
- coke deposition

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References(15)

References

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