Highly Dispersed Pd Nanoparticles Supported on Zr-Doped MgAl Mixed Metal Oxides for 2-Ethylanthraquinone Hydrogenation

  • Yunhao Wang
  • Kaige Gao
  • Chenliang Ye
  • Ang Li
  • Cuili Guo
  • Jinli ZhangEmail author
Research Article


In this study, Pd-Mg(Al)-LDH/γ-Al2O3 and Pd-Mg(Al)Zr-LDH/γ-Al2O3 precursors were synthesized by impregnating Na2PdCl4 on Mg(Al)-LDH/γ-Al2O3 and Mg(Al)Zr-LDH/γ-Al2O3, and then the precursors were calcinated and reduced to obtain Pd-Mg(Al)-MMO/γ-Al2O3 and Pd-Mg(Al)Zr-MMO/γ-Al2O3 catalysts. Compared with Pd/γ-Al2O3 catalyst, the hydrogenation efficiency of Pd-Mg(Al)-MMO/γ-Al2O3 and Pd-Mg(Al)Zr-MMO/γ-Al2O3 increased by 15.7% and 24.0%, respectively. Moreover, the stability of Pd-Mg(Al)Zr-MMO/γ-Al2O3 catalyst was also higher than that of Pd/γ-Al2O3. After four runs, the hydrogenation efficiency of Pd/γ-Al2O3 decreased from 12.1 to 10.0 g/L, while that of Pd-Mg(Al)Zr-MMO/γ-Al2O3 decreased from 15.0 to 14.3 g/L. The active aquinones selectivities of all catalysts were almost 99%. The structures of the catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), N2 adsorption–desorption, inductively coupled plasma-atomic emission spectrometry (ICP-AES), CO chemisorption analysis, transmission electron microscopy (TEM), temperature-programmed reduction with hydrogen (H2-TPR), and X-ray photoelectron spectroscopy (XPS). The results indicate that the improved catalytic performance is attributed to the stronger interaction between Pd and Mg(Al)Zr-MMO/γ-Al2O3, smaller Pd particle size and higher Pd dispersion. This work develops an effective method to synthesize highly dispersed Pd nanoparticles based on the layered double hydroxides (LDHs) precursor.


LDHs precursor Mixed metal oxides Pd nanoparticles 2-Ethylanthraquinone hydrogenation Hydrogen peroxide 



This study was supported by the National Natural Science Foundation of China (Nos. 21276179, 21576205) and the Program for Changjiang Scholars, Innovative Research Team in University (IRT_15R46).

Supplementary material

12209_2019_203_MOESM1_ESM.docx (115 kb)
Supplementary material 1 (DOCX 115 kb)


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Copyright information

© Tianjin University and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Yunhao Wang
    • 1
  • Kaige Gao
    • 1
  • Chenliang Ye
    • 1
  • Ang Li
    • 1
  • Cuili Guo
    • 1
  • Jinli Zhang
    • 1
    • 2
    Email author
  1. 1.School of Chemical Engineering and TechnologyTianjin UniversityTianjinChina
  2. 2.School of Chemistry and Chemical EngineeringShihezi UniversityShiheziChina

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