Improving oxidative dehydrogenation of 1-butene to 1,3-butadiene on Al2O3 by Fe2O3 using CO2 as soft oxidant

Wenjin Yan, Jizhong Luo, Qing Yue Kouk, Jia'E Zheng, Ziyi Zhong, Yan Liu*, Armando Borgna

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


The gradually increasing demand on 1,3-butadiene (BD) requires alternative production routes. Catalytic oxidative dehydrogenation of 1- butene to BD using CO2 as soft oxidant was proved as a potential process and thus systematically studied over Fe2O3/Al2O3 catalysts. It was found that the loaded Fe2O3 promotes oxygen mobility and modifies the surface acidity of Al2O3, leading to a higher 1-butene conversion and BD selectivity; the highest ones were obtained on 20 wt.% Fe2O3/Al2O3 at 600°C. The in situ Diffuse Reflectance Infrared Fourier Transform Spectroscopy studies revealed that CO2 is essential to promote the activation of 1-butene on the Fe2O3 catalysts and thus BD production.

Original languageEnglish
Pages (from-to)61-67
Number of pages7
JournalApplied Catalysis A: General
StatePublished - 1 Nov 2015
Externally publishedYes


  • 1,3-Butadiene
  • In situ DRIFTS
  • Iron oxide catalyst
  • Oxidative dehydrogenation
  • Soft oxidant


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