The Dispersed States of Copper Species on CuO/ZrO2 Catalysts and Its Influence on the Catalytic Performance

Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (11): 1854.

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The Dispersed States of Copper Species on CuO/ZrO₂ Catalysts and Its Influence on the Catalytic Performance

ZHOU Ren-Xian, JIANG Xiao-Yuan, LU Guang-Lie, ZHENG Xiao-Ming

Institute of Catalysis, Hangzhou University, Hangzhou 310028

Received:1996-09-16 Online:1997-11-24 Published:1997-11-24

Abstract

Abstract: Copper/Zirconia catalysts were prepared by impregnation method andcharacterized by XRD, TPRand TPD-MS.It was concluded that four oxygen desorption peaks fromtwo different temperature ranges were related to oxygen species of surface adsorption,highly-dispersed copper oxide on ZrO₂ and CuOphase, respectively, and the highly-dispersedcopper oxide was easily reduced, which leads to a dramatic increase in oxidation activity.

Key words: CuO, ZrO₂, Dispersed state, Catalytlc performance

CLC Number:

O643.11

TrendMD:

ZHOU Ren-Xian, JIANG Xiao-Yuan, LU Guang-Lie, ZHENG Xiao-Ming. The Dispersed States of Copper Species on CuO/ZrO₂ Catalysts and Its Influence on the Catalytic Performance[J]. Chem. J. Chinese Universities, 1997, 18(11): 1854.

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The Dispersed States of Copper Species on CuO/ZrO₂ Catalysts and Its Influence on the Catalytic Performance

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