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Green preparation of activated carbon from pomegranate peel coated with zero-valent iron nanoparticles (nZVI) and isotherm and kinetic studies of amoxicillin removal in water

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Abstract

In present research, the activated carbon was prepared by a green approach from pomegranate peel coated with zero-valent iron nanoparticles (AC-nZVI) and developed as adsorbent for the removal of amoxicillin from aqueous solution. The physicochemical properties of the AC-nZVI were investigated using XRD, FTIR, and FESEM techniques. The optimal values of the parameters for the best efficiency (97.9%) were amoxicillin concentration of 10 mg/L, adsorbent dose of 1.5 g/L, time of 30 min, and pH of 5, respectively. The adsorption equilibrium and kinetic data were fitted with the Langmuir monolayer isotherm model (qmax 40.282 mg/g, R2 0. 0.999) and pseudo-first order kinetics (R2 0.961). The reusability of the adsorbent also revealed that the adsorption efficiency decreased from 83.54 to 50.79% after five consecutive repetitions. Overall, taking into account the excellent efficiency, availability, environmental friendliness, and good regeneration, AC-nZVI can be introduced as a promising absorbent for amoxicillin from aquatic environments.

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Acknowledgements

This research was financially supported by the Ardabil University of Medical Sciences.

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Authors and Affiliations

  1. Department of Chemistry, Jamia Millia Islamia (Central University), New Delhi, India

    Imran Ali

  2. Students Research Committee, Faculty of Health, Ardabil University of Medical Sciences, Ardabil, Iran

    Shirin Afshinb, Yousef Rashtbari & Asghar Hamzezadeh

  3. Department of Environmental Health Engineering, School of Public Health, Ardabil University of Medical Sciences, Ardabil, Iran

    Shirin Afshinb, Yousef Poureshgh, Yousef Rashtbari, Asghar Hamzezadeh & Mehdi Fazlzadeh

  4. Department of Environmental Health Engineering, School of Public Health, Kashan University of Medical Sciences, Kashan, Iran

    Ali Azari

  5. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

    Ali Azari & Mehdi Fazlzadeh

  6. Students’ Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran

    Ali Azari

  7. Mechanical Engineering Department, MSc of Engineering of Micro and Nano Electromechanical Systems, Urmia University, Urmia, Iran

    Abolfazl Feizizadeh

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Ali, I., Afshinb, S., Poureshgh, Y. et al. Green preparation of activated carbon from pomegranate peel coated with zero-valent iron nanoparticles (nZVI) and isotherm and kinetic studies of amoxicillin removal in water. Environ Sci Pollut Res 27, 36732–36743 (2020). https://doi.org/10.1007/s11356-020-09310-1

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