Catalysis Letters

, Volume 148, Issue 6, pp 1589–1596 | Cite as

Synthesis of Efficient Ce Modified CuO/CoAl-HT Catalysts for Styrene Epoxidation

  • Haiping Li
  • Rui Hu
  • Pengfei Yang
  • Yufei He
  • Junting Feng
  • Dianqing Li


The controllable synthesis of efficient supported non-noble with fitting chemical state for styrene epoxidation is of great significance to save scarce resources and improve the atom economy. Herein, a series of Ce modified CuO/CoAl-hydrotalcite catalysts was prepared using deposition–precipitation (DP) method. The appropriate addition of Ce (Ce/Cu = 0.2) could contribute to the dispersion of CuO on the surface of support. Moreover, the chemical state of CuO could be finely tuned by the introduction of Ce additives: Ce interacted with CuO and maked CuO surface enrichment of electrons, while CeO2 weakened the interaction between CuO and CoAl-HT support, increasing the percentage of Cu2+ ions (CuA2+) in metal oxides. Therefore, the obtained CuO–0.2CeO2/CoAl-HT catalyst, possessing maximum CuA2+, exhibited optimal styrene oxide yield in styrene epoxidation reaction at similar condition to date, achieving 79.5% selectivity at 99.6% styrene conversion.

Graphical Abstract


Ce additives Chemical state Interaction Non-noble catalyst 



This work was supported by the National Key Research and Development Program of China (2016YFB0301601), the National Natural Science Foundation (21706009) and the Fundamental Research Funds for the Central Universities (BUCTRC201725, JD1716).


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijingChina
  2. 2.Beijing Engineering Center for Hierarchical CatalystsBeijing University of Chemical TechnologyBeijingChina

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