Catalytic properties of ZnO-modified copper ferrite catalysts in water-gas shift reaction

LIN Xing-yi; ZHANG Yong; LI Ru-le; ZHAN Ying-ying; CHEN Chong-qi; YIN Ling

Volume 42 Issue 11

Nov. 2014

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LIN Xing-yi, ZHANG Yong, LI Ru-le, ZHAN Ying-ying, CHEN Chong-qi, YIN Ling. Catalytic properties of ZnO-modified copper ferrite catalysts in water-gas shift reaction[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1351-1356.

Citation:

LIN Xing-yi, ZHANG Yong, LI Ru-le, ZHAN Ying-ying, CHEN Chong-qi, YIN Ling. Catalytic properties of ZnO-modified copper ferrite catalysts in water-gas shift reaction[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1351-1356.

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Catalytic properties of ZnO-modified copper ferrite catalysts in water-gas shift reaction

National Engineering Research Center of Chemical Fertilizer Catalysts, Fuzhou University, Fuzhou 350002, China

Funds: Supported by National Engineering Research Center of Chemical Fertilizer Catalysts, Fuzhou University.

Received Date: 2014-08-07
Rev Recd Date: 2014-09-16
Publish Date: 2014-11-30

Abstract

Abstract

The catalytic properties of ZnO-modified copper ferrite in water-gas shift (WGS) reaction were evaluated between 250 and 400 ℃. The Zn2.5-Cu/Fe (modified by 2.5% ZnO) showed high catalytic activity. The catalyst was characterized with XRD, SEM, H₂-TPR and CO₂-TPD techniques and N₂ sorption experiment. It was shown that introduction of appropriate amounts of ZnO transformed the CuFe₂O₄ from the tetrahedral crystalline phase to the cubic, enhanced the CuFe₂O₄ reducibility, and increased the amount of weak and medium basic sites. As a consequence, the interaction between copper and iron species was improved and the catalytic activity was increased.
- WGS reaction,
- copper ferrite,
- ZnO modification,
- reducibility,
- basicity

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References(24)

References

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