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<p>This research paper outlines the synthesis of Al-doped ferrite, (Al<sub>x</sub>Zn<sub>0.7</sub>Mn<sub>0.3</sub>Fe<sub>2−x</sub>O<sub>4</sub>), with varying ‘x’ values (0.1, 0.3, 0.5, 0.7, and 0.9) using the solution combustion method. The main focus is on the application of these prepared ferrites for removing dyes from wastewater. Various physicochemical techniques were employed to examine the morphological and structural properties of these ferrites. Subsequently, these new ferrite materials were used to adsorb different cationic and anionic dyes. The results of these experiments were analyzed and recorded through UV-visible spectroscopy. Different adsorption models were employed for the analysis of adsorption isotherms. The Freundlich isotherm represented the finest match to the investigated data (R<sup>2</sup> = 0.996). Pseudo first order (PFO) and pseudo second order (PSO) adsorption kinetics were applied to understand the process of adsorption. The PSO kinetics showed best fit for regression model, (R<sup>2</sup> = 0.973, 0.9851, 0.9852 &amp; 0.9854), which is more suitable for the data. The nature of this adsorption process was ascertained by calculating thermodynamic parameters like enthalpy, Gibbs free energy, and entropy changes. According to the findings, Al-doped ferrite has strong adsorption capabilities and advantageous thermodynamic characteristics, which make it an appropriate alternative to eliminating dyes from industrial effluents. By giving light to the adsorption processes and possible uses of Al-doped ferrite in environmental remediation, the work advances the area.</p>

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Investigating the Influence of Aluminum Doping on the Structural, Kinetic, Thermodynamics, and Isothermal Properties of AlxZn0.7Mn0.3Fe2−xO4 Soft Ferrite for the Removal of Dyes from Wastewater

  • 期刊论文

  • 发表日期：

    2025年7月16日

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  • Mehnaz Ayoub,
  • Harmanjit Singh Dosanjh

摘要

This research paper outlines the synthesis of Al-doped ferrite, (AlxZn0.7Mn0.3Fe2−xO4), with varying ‘x’ values (0.1, 0.3, 0.5, 0.7, and 0.9) using the solution combustion method. The main focus is on the application of these prepared ferrites for removing dyes from wastewater. Various physicochemical techniques were employed to examine the morphological and structural properties of these ferrites. Subsequently, these new ferrite materials were used to adsorb different cationic and anionic dyes. The results of these experiments were analyzed and recorded through UV-visible spectroscopy. Different adsorption models were employed for the analysis of adsorption isotherms. The Freundlich isotherm represented the finest match to the investigated data (R2 = 0.996). Pseudo first order (PFO) and pseudo second order (PSO) adsorption kinetics were applied to understand the process of adsorption. The PSO kinetics showed best fit for regression model, (R2 = 0.973, 0.9851, 0.9852 & 0.9854), which is more suitable for the data. The nature of this adsorption process was ascertained by calculating thermodynamic parameters like enthalpy, Gibbs free energy, and entropy changes. According to the findings, Al-doped ferrite has strong adsorption capabilities and advantageous thermodynamic characteristics, which make it an appropriate alternative to eliminating dyes from industrial effluents. By giving light to the adsorption processes and possible uses of Al-doped ferrite in environmental remediation, the work advances the area.