CO2 hydrogenation to methanol over Cu/ZnO/ZrO2 catalysts prepared via a route of solid-state reaction |
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| Authors: | Xiaoming Guo Dongsen Mao Guanzhong Lu Song Wang Guisheng Wu |
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| Affiliation: | 1. Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, PR China;2. Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 200235, PR China |
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| Abstract: | Cu/ZnO/ZrO2 catalysts were prepared by a route of solid-state reaction and tested for the synthesis of methanol from CO2 hydrogenation. The effects of calcination temperature on the physicochemical properties of as-prepared catalysts were investigated by N2 adsorption, XRD, TEM, N2O titration and H2-TPR techniques. The results show that the dispersion of copper species decreases with the increase in calcination temperature. Meanwhile, the phase transformation of zirconia from tetragonal to monoclinic was observed. The highest activity was achieved over the catalyst calcined at 400 °C. This method is a promising alternative for the preparation of highly efficient Cu/ZnO/ZrO2 catalysts. |
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| Keywords: | Cu/ZnO/ZrO2 catalyst Solid-state reaction CO2 hydrogenation Methanol |
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