Preparation of Cu/ZrO2 catalysts for methanol synthesis from CO2/H2

doi:10.1007/s11705-011-1170-4

Front Chem Sci Eng

2012, Vol. 6

Issue (1) : 47-52 https://doi.org/10.1007/s11705-011-1170-4

RESEARCH ARTICLE

Preparation of Cu/ZrO₂ catalysts for methanol synthesis from CO₂/H₂

Xinmei LIU(

), Shaofen BAI, Huidong ZHUANG, Zifeng YAN

State Key Laboratory for Heavy Oil Processing, Key Laboratory of Catalysis (China National Petroleum Corporation), China University of Petroleum, Qingdao 266555, China

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Abstract

Cu/ZrO₂ catalysts for methanol synthesis from CO₂/H₂ were respectively prepared by deposition coprecipitation (DP) and solid state reaction (SR) methods. There is an intimate interaction between copper and zirconia, which strongly affects the reduction property and catalytic performance of the catalysts. The stronger the interaction, the lower the reduction temperature and the better the performance of the catalysts. Surface area, pore structure and crystal structure of the catalysts are mainly controlled by preparation methods and alkalinity of synthesis system. The conversion of CO₂ and selectivity of methanol are higher for DP catalysts than for SP catalysts.

Keywords Cu/ZrO₂ methanol synthesis deposition coprecipitation solid state reaction CO₂/H₂

Corresponding Author(s): LIU Xinmei,Email:lxmei@upc.edu.cn

Issue Date: 05 March 2012

Cite this article:

Xinmei LIU,Shaofen BAI,Huidong ZHUANG, et al. Preparation of Cu/ZrO₂ catalysts for methanol synthesis from CO₂/H_{2[J]. Front Chem Sci Eng,
2012, 6(1): 47-52.}

URL:

https://academic.hep.com.cn/fcse/EN/10.1007/s11705-011-1170-4
https://academic.hep.com.cn/fcse/EN/Y2012/V6/I1/47

Fig.1 Isotherms and mesopore distribution of zirconia. (a) Isotherms; (b) Mesopore distribution

Fig.2 Isotherms and mesopore distribution of CuO/ZrO catalysts. (a) Isotherms; (b) Mesopore distribution

Fig.3 XRD patterns of CuO/ZrO catalysts

Fig.4 TPR spectra of calcined CuO/ZrO catalysts

Fig.5 IR spectra of CO adsorbed on CuO, ZrO and Cu/ZrO catalysts

Fig.6 XPS spectra of calcined CuO/ZrO catalysts (a) Cu 2p, (b) Zr 3d

Tab.1 Performance of the catalysts for methanol synthesis

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