Abstract
Novel CuxNiy/γ-Al2O3 alloy catalysts were prepared and studied for methanol synthesis from CO/CO2 hydrogenation. The structure of the catalysts was characterized using N2 adsorption–desorption, X-ray diffraction, transmission electron microscopy, scanning transmission electron microscopy, X-ray photoelectron spectroscopy and temperature-programmed reduction. The characterization results demonstrated the formation of CuNi alloy. The strong interaction between Cu and Ni had a promotion effect for methanol synthesis. Cu3Ni7/γ-Al2O3 catalyst exhibited the highest formation rate of CH3OH, which is 5.86 mmol/g h, much higher than the commercial Cu/ZnO/Al2O3 catalyst at the same reaction conditions.
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Acknowledgments
The authors thank for the financial support of the National Natural Science Foundation of China (Grant 21303272). STEM-EELS data were obtained using the equipment at the Center for Functional Nanomaterials, Brookhaven National Laboratory.
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Zhao, F., Gong, M., Zhang, Y. et al. The performance and structural study of CuNi alloy catalysts for methanol synthesis. J Porous Mater 23, 733–740 (2016). https://doi.org/10.1007/s10934-016-0128-9
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DOI: https://doi.org/10.1007/s10934-016-0128-9