Abstract
ZrO2-A and ZrO2-B catalysts were prepared by two different coprecipitation methods and their performance of CO hydrogenation was studied. The results indicated that ZrO2 and Li-, Pd- and Mn-modified ZrO2 catalysts exhibited good selectivity and high STY to higher alcohols. The surface characteristics of ZrO2-A and ZrO2-B samples were investigated by means of BET, NH3-TPD, XRD and UV Raman technique. The tetragonal zirconia on the surface region of ZrO2-A and Li-Pd-Mn/ZrO2-A catalysts may be responsible for the high selectivity towards ethanol, while the monoclinic zirconia on the surface of ZrO2-B and Li-Pd-Mn/ZrO2-B catalysts may be crucial to the high isobutanol selectivity.
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He, D., Ding, Y., Yin, H. et al. Synthesis and Surface Characteristics of Zirconia and Modified Zirconia: Performance of CO Hydrogenation. Catalysis Letters 84, 89–93 (2002). https://doi.org/10.1023/A:1021084803470
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DOI: https://doi.org/10.1023/A:1021084803470