Hydrodeoxygenation of Guaiacol Catalyzed by ZrO2-CeO2-Supported Nickel Catalysts with High Loading

Mohong Lu, Yajie Jiang, Yu Sun, Peng Zhang, Jie Zhu, Mingshi Li, Yuhua Shan, Jianyi Shen, Chunshan Song

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18 Scopus citations


Ni/ZrO2-CeO2 catalysts with high loading of nickel have been prepared by the coprecipitation method and employed to investigate the catalytic hydrodeoxygenation (HDO) performance of guaiacol. The materials obtained were characterized using N2 adsorption-desorption, X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, H2-TPR, CO chemisorption, and NH3-TPD. For Ni/ZrO2-CeO2 catalysts, the formation of the ZrO2-CeO2 solid solutions enhances the dispersion of the metal Ni. The oxygen vacancies resulting from Ce3+ species in Ni/ZrO2-CeO2 promote the adsorption and activation of the oxygen-containing group in guaiacol molecules and thereby improve the ability of the catalyst to break the C-O bond. The addition of ZrO2 increases the number of acidic sites of the catalysts. These factors synergistically enhance the HDO performance of the catalysts.

Original languageEnglish (US)
Pages (from-to)4685-4692
Number of pages8
JournalEnergy and Fuels
Issue number4
StatePublished - Apr 16 2020

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology


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