Simultaneous adsorption of oxytetracycline and arsenic onto hydrous zirconium-modified chitosan/β-cyclodextrin composite: Mechanistic insights via statistical physics modeling, fractal-like kinetics, thermodynamic evaluation, and site energy distribution analysis

Mohd Nasir; Sana Sana; Atif Afroz; Muhammad Kashif; Abdul Malik; Nikhat J. Siddiqi; Sara Aiman

doi:10.1039/d5nj03795f

January 1, 2026New Journal of Chemistry

Simultaneous adsorption of oxytetracycline and arsenic onto hydrous zirconium-modified chitosan/β-cyclodextrin composite: Mechanistic insights via statistical physics modeling, fractal-like kinetics, thermodynamic evaluation, and site energy distribution analysis

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Key Points

The research aims to explore the simultaneous adsorption mechanisms of oxytetracycline and arsenic using a multifunctional composite material.
Synthesis of hydrous zirconium hydroxide-modified chitosan grafted with β-cyclodextrin.
Characterization using FT-IR, XRD, BET, TGA-DTA, XPS, and SEM-EDS techniques.
Application of statistical physics modeling and thermodynamic evaluations for analysis.
The composite effectively adsorbs both oxytetracycline and arsenic.
Fractal-like kinetics were observed in the adsorption process.
Thermodynamic evaluation indicates favorable conditions for adsorption.

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Implication

Demonstrates simultaneous adsorption of oxytetracycline and arsenic in a composite, indicating its potential for environmental cleanup.

Abstract

A multifunctional composite, hydrous zirconium hydroxide cross-linked chitosan grafted with β-cyclodextrin (Zr-CCS-g-β-CD), was synthesized via a wet precipitation method and thoroughly characterized using FT-IR, XRD, BET, TGA-DTA, XPS, SEM-EDS, and...

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Nasir et al. (2026) studied this question.

synapsesocial.com/papers/69706ce9b6488063ad5c1b3a https://doi.org/10.1039/d5nj03795f

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Simultaneous adsorption of oxytetracycline and arsenic onto hydrous zirconium-modified chitosan/β-cyclodextrin composite: Mechanistic insights via statistical physics modeling, fractal-like kinetics, thermodynamic evaluation, and site energy distribution analysis

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Abstract

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Cite This Study

Simultaneous adsorption of oxytetracycline and arsenic onto hydrous zirconium-modified chitosan/β-cyclodextrin composite: Mechanistic insights via statistical physics modeling, fractal-like kinetics, thermodynamic evaluation, and site energy distribution analysis

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