Furfuryl alcohol, the most prominent chemical derived from hemicellulose as one of the major agricultural biomass structural components, is produced by furfural hydrogenation over heterogeneous catalysts. Using a pre-made stock solution of zero valent atomic Pt precursor and Co2(CO)8, a bimetal PtCo/TiO2 catalyst was prepared and exhibited outstanding activity, selectivity, and stability in furfural hydrogenation to furfuryl alcohol even with only 0.5 wt% Pt. The np-PtCo/TiO2 catalyst showed steady performance in multiple reuses at both moderate and full conversions, with turn-over-frequency of 14023h-1 at 30oC and with &gt;99.9% furfuryl alcohol selectivity. The oxyphilic Co∂+ in the PtCo nanoparticles induces nucleophilic chemisorption of -C=O, resulting in deeply polarized -C=O bond which is essential for the high selectivity of the catalyst.

Stable and selective PtCo/TiO2 catalyst with low Pt loading for furfural hydrogenation

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