Journal
CHINESE JOURNAL OF CATALYSIS
Volume 35, Issue 11, Pages 1793-1799Publisher
SCIENCE PRESS
DOI: 10.1016/S1872-2067(14)60203-5
Keywords
Nickel; Phenol; Catalytic hydrogenation; Amorphous catalyst
Funding
- National Natural Science Foundation of China [21174115]
- Youth Foundation of Gansu Province [1308RJYA036]
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PVP-NiB amorphous catalysts were prepared by the chemical reduction of nickel chloride with sodium borohydride, and characterized by infrared, X-ray diffraction, transmission election microscopy, and inductively coupled plasma. The relationship between the catalytic activity and nature of the active sites was discussed. PVP is a protective agent for preparing PVP-stabilized NiB catalysts, which improved the dispersion of the catalyst and stabilized its amorphous structure. The catalysis of phenol and its derivatives was evaluated in the aqueous phase. 99.9% conversion of phenol and 99.9% selectivity to cyclohexanol were obtained at 30 degrees C and 0.2 MPa H-2 after 18 h over PVP-NiB. The generality of the PVP-NiB catalyst for this reaction was demonstrated by the selective hydrogenation of other phenol derivatives, which showed that the PVP-NiB catalyst was selective for the formation of cyclohexanol. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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