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<p>This study explores the adsorption of U(VI) ions using avocado seed-derived activated carbon (ASAC). Characterization via FTIR, XRD, SEM, and TGA confirms successful adsorption. Kinetic studies follow a pseudo-second-order model, while isotherms fit Langmuir and Freundlich models. Thermodynamic analysis indicates a spontaneous, exothermic process. Practical applicability and reusability are demonstrated in column experiments and desorption studies. ASAC achieves 97% uranium uptake within five minutes, highlighting its rapid performance. The study introduces avocado seeds as a sustainable, cost-effective, and eco-friendly adsorbent for uranium remediation.</p>

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Exploring the adsorptive behavior of U(VI) ions on avocado seed-derived activated carbon: an in-depth kinetic and thermodynamic analysis

  • 期刊论文

  • 发表日期：

    2025年1月6日

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  • Omar Alnasra,
  • Manal Alkhabbas,
  • Fawwaz Khalili,
  • Dareen Abdel Jabbar

摘要

This study explores the adsorption of U(VI) ions using avocado seed-derived activated carbon (ASAC). Characterization via FTIR, XRD, SEM, and TGA confirms successful adsorption. Kinetic studies follow a pseudo-second-order model, while isotherms fit Langmuir and Freundlich models. Thermodynamic analysis indicates a spontaneous, exothermic process. Practical applicability and reusability are demonstrated in column experiments and desorption studies. ASAC achieves 97% uranium uptake within five minutes, highlighting its rapid performance. The study introduces avocado seeds as a sustainable, cost-effective, and eco-friendly adsorbent for uranium remediation.