The relationship between the structure and catalytic performance Cu/ZnO/ZrO2 catalysts for hydrogenation of dimethyl 1,4-cyclohexane dicarboxylate |
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| Affiliation: | 2. Faculty of Medicine, Division of Cardiology, Foundation for Medical Researches, Geneva University Hospitals, Geneva, Switzerland;3. First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy;4. Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, USA;5. Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil;1. Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovsky sq. 2, 162 06 Prague 6, Czech Republic;2. Joint Laboratory of Solid State Chemistry, University of Pardubice, Studentska 95, 532 10 Pardubice, Czech Republic;3. Department of Chemistry, Chung Yuan Christian University, 200 Chung Pei Road, Chung-Li, 320, Taiwan;1. Laboratory of Industrial Chemistry and Reaction Engineering, Åbo Akademi University, Biskopsgatan 8, FI-20500 Turku/Åbo, Finland;2. Laboratory of Organic Chemistry, Åbo Akademi University, Biskopsgatan 8, FI-20500 Turku/Åbo, Finland |
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| Abstract: | The gas-phase hydrogenation of dimethyl 1,4-cyclohexane dicarboxylate to 1,4-cyclohexane dimethanol (CHDM) was conducted on well-dispersed supported Cu/ZnO/ZrO2 catalysts. The results indicated that the structure and catalytic performance of resulting copper-based catalysts were profoundly affected by the addition of zirconium. Moreover, the as-synthesized catalyst with 35.0 wt.% ZrO2 component was found to exhibit superior catalytic performance with a high CHDM yield of 96.8% to other catalysts, which should be mainly attributed to the significant dispersion effect of ZrO2 on the copper-containing species resulting in a higher metallic copper surface area as well as a larger number of Cu+ species. |
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