Methanol synthesis from carbon dioxide at atmospheric pressure over Cu/ZnO catalyst. Role of methoxide species formed on ZnO support |
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| Authors: | Shin-ichiro Fujita Masahito Usui Etsuko Ohara Nobutsune Takezawa |
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| Affiliation: | (1) Department of Chemical Process Engineering, Hokkaido University, 060 Sapporo, Japan |
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| Abstract: | Methanol synthesis from CO2 and H2 was carried out over a Cu/ZnO catalyst (Cu/Zn = 3/7) at atmospheric pressure, and the surface species formed were analyzed by diffuse reflectance FT-IR spectroscopy and temperature programmed desorption method. Two types of formate species and zinc methoxide were formed in the course of the reaction. Zinc methoxide was readily hydrolyzed to methanol. H2O formed through the reverse water gas shift reaction was suggested to be involved in the hydrolysis of zinc methoxide. |
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| Keywords: | Methanol synthesis CO2 hydrogenation Cu/ZnO catalyst |
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