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<p>This work utilized mixture of α-Fe<sub>2</sub>O<sub>3</sub> and modified Al<sub>2</sub>O<sub>3</sub> as a catalyst for the FTS, where Al<sub>2</sub>O<sub>3</sub> was modified by Ca, Mg or Zr to influence the formation of active phase of FTS. Based on SEM, XRD, XPS, H<sub>2</sub>-TPR and CO-TPD analysis, it has been observed that the promotional effects of Ca/Al<sub>2</sub>O<sub>3</sub> resulted in the highest content of θ-Fe<sub>3</sub>C phase as an activate carbide phase for olefins generation, and realized the maximum all olefins selectivity of 69%.</p>

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Mixture of α-Fe2O3 and modified Al2O3 for forming olefins via Fischer-Tropsch synthesis

  • 期刊论文

  • 发表日期：

    2025年8月12日

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  • Basit Ali,
  • Jielang Huang,
  • Yi Zhang

摘要

This work utilized mixture of α-Fe2O3 and modified Al2O3 as a catalyst for the FTS, where Al2O3 was modified by Ca, Mg or Zr to influence the formation of active phase of FTS. Based on SEM, XRD, XPS, H2-TPR and CO-TPD analysis, it has been observed that the promotional effects of Ca/Al2O3 resulted in the highest content of θ-Fe3C phase as an activate carbide phase for olefins generation, and realized the maximum all olefins selectivity of 69%.