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March 14, 2026Fuel Processing TechnologyOpen Access

Remarkably high stability of relatively small iron amount exchanged into HZSM-5 catalysts toward ethanol conversion into ethylene: Experimental and computational studies

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Authors

TOTolulope OluokunSSSwati SainiKOKafayat O. Oyekunle

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Overview

Experimental and computational studies reveal efficient ethanol conversion in iron-exchanged HZSM-5 catalysts, suggesting effective catalytic pathways.

Key Points

  • The research aims to explore the stability and efficiency of iron-exchanged HZSM-5 catalysts in converting bioethanol to ethylene.
  • Synthesis and characterization of Fe exchanged H-ZSM-5 catalysts with varying iron contents
  • Catalytic tests in a fixed bed reactor across temperatures from 200 to 300 °C
  • Use of various characterization techniques like PXRD, FT-IR, and TGA to analyze catalyst properties
  • The 3Fe ZSM-5 catalyst achieved 98% bioethanol conversion at 280 °C and WHSV of 9 h −1
  • The catalyst maintained stability for 56 hours with over 95% ethylene selectivity
  • Fe incorporation shifted acidity, reducing strong Brønsted sites and limiting secondary reactions and coke formation

Cite This Study

Oluokun et al. (2026) studied this question.

synapsesocial.com/papers/69b4fa6fb39f7826a300b393https://doi.org/10.1016/j.fuproc.2026.108429
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