DFT Study of the Conversion of Furfuryl Alcohol to 2-Methylfuran on RuO2 (110)
Journal Article
·
· Journal of Physical Chemistry. C
- Univ. of Delaware, Newark, DE (United States)
Recently, our group proposed the catalytic transfer hydrogenation for refining biomass-derived 5-hydroxymethylfurfural and furfural to 2,5-dimethylfuran and 2-methylfuran, respectively. With a metallic Ru/C catalyst, a selectivity of ~30% was achieved. The promotion of the Ru/C catalyst with the Lewis acid RuOx resulted in a selectivity of ~80%. In the current study, we employ density functional theory calculations on the RuO2 (110) surface in order to elucidate the role of the Lewis acidity in the reduction of the biomass-derived furfuryl alcohol to 2-methylfuran. We identify the rate-limiting step to be the scission of the C–O bond of the side chain. In addition, we find evidence for the activation of the furan ring via an insertion of a hydrogen atom. However, the Lewis basicity of a neighboring bridging oxygen results in the furan ring being deactivated. Finally, the formation of water from the reduction process is facile. However, owing to the strong binding energy between the RuO2 surface and the water molecule, poisoning of the catalytic surface by adsorbed water is possible. Lastly, we show that the RuO2 (110) carries out the reduction of furfural to furfuryl alcohol via the Meerwin–Ponndorf–Verley (MPV) reaction fairly easily, consistent with published experimental data.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Catalysis Center for Energy Innovation (CCEI)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- SC0001004; AC02-05CH11231
- OSTI ID:
- 1385386
- Alternate ID(s):
- OSTI ID: 1210728
- Journal Information:
- Journal of Physical Chemistry. C, Journal Name: Journal of Physical Chemistry. C Journal Issue: 11 Vol. 119; ISSN 1932-7447
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
alcohols
aldehydes binding energy
bio-inspired
biofuels (including algae and biomass)
catalysis (heterogeneous)
catalysis (homogeneous)
chemical reactions
hydrogen
hydrogen and fuel cells
materials and chemistry by design
synthesis (novel materials)
synthesis (scalable processing)
synthesis (self-assembly)
alcohols
aldehydes binding energy
bio-inspired
biofuels (including algae and biomass)
catalysis (heterogeneous)
catalysis (homogeneous)
chemical reactions
hydrogen
hydrogen and fuel cells
materials and chemistry by design
synthesis (novel materials)
synthesis (scalable processing)
synthesis (self-assembly)