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<p>Metal–organic frameworks (MOFs) have recently garnered attention as promising candidates for the effective removal of sulfur-containing compounds from liquid fuels. In this study, the potential of employing Al-MIL-53 as an adsorbent for liquid fuel desulfurization is demonstrated. Material analysis through SEM, XRD, and FTIR studies was conducted. Equilibrium between in the solution and on the adsorbent surface was successfully achieved within 1 h. Optimal operational parameters for 99% Sulfur removal were identified as a 60-min adsorption time, 50 ppm initial thiophene concentration, and 2 g adsorbent dosage. The equilibrium adsorption data is adequately represented by Freundlich isotherm (R<sup>2</sup> = 0.97). The adsorption kinetics of DBT by Al-MOF followed pseudo first-order model (R<sup>2</sup> = 0.99). The equilibrium (qm) of the prepared Al-MOF = 11 (mg/g).</p>

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Synthesis and characterization of Al-based metal–organic framework with superior performance for adsorptive desulfurization of model fuel

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月20日

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  • Rodaina M.,
  • Eman M. El-Sayed

摘要

Metal–organic frameworks (MOFs) have recently garnered attention as promising candidates for the effective removal of sulfur-containing compounds from liquid fuels. In this study, the potential of employing Al-MIL-53 as an adsorbent for liquid fuel desulfurization is demonstrated. Material analysis through SEM, XRD, and FTIR studies was conducted. Equilibrium between in the solution and on the adsorbent surface was successfully achieved within 1 h. Optimal operational parameters for 99% Sulfur removal were identified as a 60-min adsorption time, 50 ppm initial thiophene concentration, and 2 g adsorbent dosage. The equilibrium adsorption data is adequately represented by Freundlich isotherm (R2 = 0.97). The adsorption kinetics of DBT by Al-MOF followed pseudo first-order model (R2 = 0.99). The equilibrium (qm) of the prepared Al-MOF = 11 (mg/g).