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<p>This study explores the removal of Coomassie Brilliant Blue (CBB) from aqueous solutions using Cotoneaster Leaves (CL) and a Magnetic Biocatalyst Framework (MBCF) via an integrated adsorption–oxidation process. While CL demonstrated notable adsorption capacity, incorporating MBCF significantly enhanced overall removal efficiency, attributed to its Fenton-like oxidative activity. Kinetic modeling revealed that MBCF reduced the reaction time by 30% while achieving higher degradation performance than CL alone. Thermodynamic analysis revealed that both systems exhibited an exothermic adsorption mechanism, accompanied by an increase in entropy, which reflects enhanced radical generation and interfacial interactions. Material characterization via FTIR, BET, XRD, SEM, EDX, and VSM confirmed the superior structural and magnetic properties of MBCF, which promote the effective formation of reactive oxygen species (ROS). These results underscore the potential of MBCF as a multifunctional, eco-friendly material for rapid and efficient dye removal, offering clear advantages over conventional adsorbents.</p> Graphical Abstract <p></p>

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Synergistic adsorption and oxidation of Coomassie Brilliant Blue using a novel magnetic biocatalyst framework

  • 期刊论文

  • 发表日期：

    2025年8月2日

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  • Harez Rashid Ahmed,
  • Dlzar D. Ghafoor,
  • Lanya Omer Khatab,
  • Abdulla Hawzhin M. Fuad,
  • Shayan Amin,
  • Lina Kawa Sheikha,
  • Anu Mary Ealias,
  • Giphin George,
  • Kawan F. Kayani

摘要

This study explores the removal of Coomassie Brilliant Blue (CBB) from aqueous solutions using Cotoneaster Leaves (CL) and a Magnetic Biocatalyst Framework (MBCF) via an integrated adsorption–oxidation process. While CL demonstrated notable adsorption capacity, incorporating MBCF significantly enhanced overall removal efficiency, attributed to its Fenton-like oxidative activity. Kinetic modeling revealed that MBCF reduced the reaction time by 30% while achieving higher degradation performance than CL alone. Thermodynamic analysis revealed that both systems exhibited an exothermic adsorption mechanism, accompanied by an increase in entropy, which reflects enhanced radical generation and interfacial interactions. Material characterization via FTIR, BET, XRD, SEM, EDX, and VSM confirmed the superior structural and magnetic properties of MBCF, which promote the effective formation of reactive oxygen species (ROS). These results underscore the potential of MBCF as a multifunctional, eco-friendly material for rapid and efficient dye removal, offering clear advantages over conventional adsorbents.

Graphical Abstract