NDLI: The effect of ZnO in methanol synthesis catalysts on Cu dispersion and the specific activity

Content Provider	Springer Nature Link
Author	Fujitani, T. Nakamura, J.
Copyright Year	1998
Abstract	The effect of ZnO in Cu/ZnO catalysts prepared by the coprecipitation method has been studied using measurements of the surface area of Cu, the specific activity for the methanol synthesis by hydrogenation of CO2, and XRD. Although the Cu surface area increases with increasing ZnO content (0–50 wt%) as is generally known, the specific activity of the Cu/ZnO catalysts with various weight ratios of Cu:ZnO is greater than that of a ZnO-free Cu catalyst. These facts clearly indicate that the role of ZnO in Cu/ZnO catalysts can be ascribed to both increases in the Cu dispersion and the specific activity. The XRD results indicate the formation of a Cu–Zn alloy in the Cu particles of the Cu/ZnO catalysts, leading to the increase in specific activity. It is thus considered that the Cu–Zn surface alloy or a Cu–Zn site is the active site for methanol synthesis in addition to metallic copper atoms that catalyze several hydrogenation steps during the methanol synthesis. Furthermore, the advantage of the coprecipitation method through a precursor of aurichalcite is ascribed to both improvements in the Cu surface area and the specific activity.
Starting Page	119
Ending Page	124
Page Count	6
File Format	PDF
ISSN	1011372X
Journal	Catalysis Letters
Volume Number	56
Issue Number	2-3
e-ISSN	1572879X
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	1998-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Industrial Chemistry/Chemical Engineering Catalysis Pharmacy
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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Reply to the comment on “The effect of ZnO in methanol synthesis catalysts on Cu dispersion and the specific activity” [by K.C. Waugh]

Comments on “The effect of ZnO in methanol synthesis catalysts on Cu dispersion and the specific activity” [by T. Fujitani and J. Nakamura]

Effect of Zr and pH in the preparation of Cu/ZnO catalysts for the methanol synthesis by CO$_{2}$ hydrogenation

Methanol synthesis over Cu/ZnO catalysts prepared by ball milling

Implication of the microstructure of binary Cu/ZnO catalysts for their catalytic activity in methanol synthesis

On the nature of surface structural changes in Cu/ZnO methanol synthesis catalysts

Role of ZnO in methanol synthesis on copper catalysts

On the Issue of the Active Site and the Role of ZnO in Cu/ZnO Methanol Synthesis Catalysts

The influence of chlorine on the dispersion of Cu particles on Cu/ZnO(0001) model catalysts

The effect of ZnO in methanol synthesis catalysts on Cu dispersion and the specific activity

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Reply to the comment on “The effect of ZnO in methanol synthesis catalysts on Cu dispersion and the specific activity” [by K.C. Waugh]

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Effect of Zr and pH in the preparation of Cu/ZnO catalysts for the methanol synthesis by CO$_{2}$ hydrogenation

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