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Catalysis Letters

, Volume 149, Issue 2, pp 441–448 | Cite as

A Newly Designed Core-Shell-Like Zeolite Capsule Catalyst for Synthesis of Light Olefins from Syngas via Fischer–Tropsch Synthesis Reaction

  • Zuoxing Di
  • Tiejian Zhao
  • Xuleng Feng
  • Mingsheng LuoEmail author
Article
  • 55 Downloads

Abstract

Improving the selectivity of light olefins remains a longstanding challenge in Fischer–Tropsch to light olefins reaction (FTO). Toward this objective, we designed and prepared a newly catalyst with core-shell-like structure by using a simple and facile method named physically adhesive method. This core-shell-like catalyst Fe@SAPO-34 was characterized by XRD, SEM, EDS, N2 sorption and NH3-TPD respectively. The characterization results indicated that the SAPO-34 zeolite shell was comparatively uniform, homogeneous and defect-free, and it encapsulated the Fe catalyst entirely. Fischer–Tropsch synthesis reaction of syngas to light olefins was selected to test the catalytic performance of the zeolite capsule catalyst. In comparison with the simple mixture catalyst Fe/SAPO-34 and bare Fe catalyst, the newly Fe@SAPO-34 catalyst has demonstrated ability of the highest selectivity of light olefins 52.6% and O/P ratio 6.4. The SAPO-34 zeolite shell acted an important role for the improvement of light olefins selectivity.

Graphical Abstract

Keywords

Core-shell-like SAPO-34 Fe catalyst Physically adhesive method FTO reaction 

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Copyright information

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

Authors and Affiliations

  • Zuoxing Di
    • 1
  • Tiejian Zhao
    • 1
  • Xuleng Feng
    • 1
  • Mingsheng Luo
    • 1
    Email author
  1. 1.Center for Applied Energy and Environmental ResearchBeijing Institute of Petrochemical TechnologyBeijingChina

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