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| Pd/TiN nanocomposite catalysts for selective hydrogenation of phenol and its derivatives |
| Hai-Feng Lia, Qin-Sheng Zhanga, Zeng-Bo Panga,b, Mi Tiana,b, Ping Gaoc, Lai-Lai Wanga |
a State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
b Graduate University of Chinese Academy of Sciences, Bejing 100039, China;
c State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China |
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Abstract Pd/TiN nanocomposite catalysts were fabricated for one-step selective hydrogenation of phenol to cyclohexanone successfully. High conversion of phenol (99%) and selectivity of cyclohexanone (98%) were obtained at 30℃ and 0.2 MPa H2 for 12 h in the mixed solvents of H2O and CH2Cl2. The Pd nanoparticles were stable in the reaction, and no aggregation was detected after four successive runs. The catalytic activity and selectivity depended on slightly the Pd particle sizes. The generality of the catalysts for this reaction was demonstrated by the selective hydrogenation of phenol derivatives, which showed that the catalyst was selective for the formation of cyclohexanone.
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Received: 03 February 2016
Published: 01 April 2016
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| Fund:We are grateful to the financial supports granted by the National Natural Science Foundation of China ([9TD$DIF]No. 21174155). |
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