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| Characterization and reactivity of γ-Al2O3 supported Pd-Ni bimetallic nanocatalysts for selective hydrogenation of cyclopentadiene |
| Yi-Si Fenga,b,c, Jian Haoa, Wei-Wei Liua, Yun-Jin Yaoa, Yue Chenga, Hua-Jian Xua |
a School of Chemistry and Chemical Engineering, School of Medical Engineering, Hefei University of Technology, Hefei 230009, China;
b Anhui Key Laboratory of Controllable Chemical Reaction & Material Chemical Engineering, Hefei 230009, China;
c Anhui Provincial Laboratory of Heterocyclic Chemistry, Maanshan 243110, China |
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Abstract Several γ-Al2O3 supported Pd-Ni bimetallic nanocatalysts (Pd-Ni (x:y)/Al2O3; where x and y represent the mass ratio of Pd and Ni, respectively) were prepared by the impregnation method and used for selective hydrogenation of cyclopentadiene to cyclopentene. The Pd-Ni/Al2O3 samples were confirmed to generate Pd-Ni bimetallic nanoparticles by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). The catalytic activity was assessed in view of the effects of different mass ratios of Pd and Ni, temperature, pressure, etc. Among all the samples, the Pd-Ni (1:1)/Al2O3 (PN-1:1) catalyst showed extremely high catalytic ability. The conversion of cyclopentadiene and selectivity for cyclopentene can be simultaneously more than 90%.
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Received: 26 December 2014
Published: 09 March 2015
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| Fund: We are grateful to the financial assistance from the National Natural Science Foundation of China (Nos. 21272050, 21371044, 21472033) and the Program for New Century Excellent Talents in University of the Chinese Ministry of Education (No. NCET-11-0627). |
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Corresponding Authors:
Hua-Jian Xu
E-mail: hjxu@hfut.edu.cn
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