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The Influence of Zn/Zr Ratios on CuO-ZnO-ZrO2 Catalysts for Methanol Synthesis from CO2 Hydrogenation

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Abstract:

A series of CuO–ZnO–ZrO2 (CZZ) catalysts with different Zn/Zr ratios were successfully prepared by the co-precipitation method and characterized by the techniques of X-ray diffraction (XRD), N2 adsorption, reactive N2O adsorption, H2 temperature-programmed reduction (H2-TPR). The catalytic activities of the catalysts were tested for methanol synthesis from CO2 hydrogenation. It was found that the increasing of the Zn/Zr ratio could lead to the increase of the crystallite size of metallic oxide. When the amount of ZnO ranged from 20% to 80%, the CZZ catalysts exhibited a better activity. It revealed that both Zn and Zr were important parameter for Cu-based catalysts, which were interacted with each other.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

425-429

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.425

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Online since:

June 2014

Authors:

Yu Hao Wang, Wen Gui Gao, Yan E Zheng, Hua Wang

Keywords:

CO2 Hydrogenation, CuO-ZnO-ZrO2, Methanol, Zn/Zr Ratio

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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