Abstract
The effect of titanium promotion on the catalytic performance of Rh–Mn–Li catalyst supported on PVP-modified SiO2 for C2+ oxygenates synthesis from CO hydrogenation was investigated. The highest selectivity toward C2+ oxygenates (51.3%) was achieved over the RML/0.5Ti/SiO2 catalyst. Characterization results indicates that the addition of Ti promotes the adsorption of geminal CO and the formation of Rh+, which is favorable for the CO insertion into metal-CHx band, and finally increases the selectivity of C2+ oxygenates.
Graphical Abstract
The effect of titanium promotion on the catalytic performance of Rh–Mn–Li catalyst supported on PVP-modified SiO2 for C2+ oxygenates synthesis from CO hydrogenation was investigated. The highest selectivity toward C2+ oxygenates (51.3%) was achieved over the RML/0.5Ti/SiO2 catalyst
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The authors gratefully acknowledge financial support from the Leading Academic Discipline Project of Shanghai Education Committee (J51503) and Shanghai Municipal Science and Technology Commission (13ZR1461900).
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Ding, D., Yu, J., Guo, Q. et al. Highly Efficient Synthesis of C2+ Oxygenates from CO Hydrogenation Over Rh–Mn–Li/SiO2 Catalyst: The Effect of TiO2 Promoter. Catal Lett 148, 2619–2626 (2018). https://doi.org/10.1007/s10562-018-2444-y
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DOI: https://doi.org/10.1007/s10562-018-2444-y