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Abstract
In this work, PtSn alloy nanoparticles were synthesized by coreduction of Pt and Sn precursors by ethylene glycol in the presence of stabilizing agents and then were in situ transformed into Pt-SnO2 hybrid nanostructures on alumina supports by calcination. Relative to Pt/Al2O3, Pt1-(SnO2)0.3/Al2O3 demonstrates improved catalytic efficiency for furfuryl alcohol production by furfural hydrogenation. Under the H2 pressure of 1.0 MPa, 100 °C, 3.0 h, and furfural/Pt molar ratio of 1435/1, the furfuryl alcohol yields could approach 98.2%. The enhancement of catalytic performance of the Pt-SnO2/Al2O3 could be ascribed to the formation of the close contact Pt-SnO2 interfaces, which is highly active for furfural hydrogenation due to the synergistic effect between Pt and SnO2.
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