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Cited by 34Advanced oxidation water treatmentMicrobial Fuel Cells and BioremediationEnvironmental remediation with nanomaterials

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Preparation of Fe@Fe2O3/3D graphene composite cathode for electrochemical removal of sulfasalazine

Amali, Somayeh, Zarei, Mahmoud, Ebratkhahan, Masoud, Khataee, Alireza·2021·Chemosphere
DOI 10.1016/j.chemosphere.2020.128581
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Abstract

In the present study, heterogeneous electro-Fenton (EF) process was applied to remove the sulfasalazine (SU) pharmaceutical from aqueous solutions. In the first part, 3D graphene loaded with Fe@Fe 2 O 3 core-shell nanowires (Fe@Fe 2 O 3/3D-GO) was used as a cathode electrode in the EF process. Graphene oxide (GO) was synthesized for the synthesis of 3D graphene nanocomposites using the improved Hummers' method and subsequently 3D graphene synthesized by the hydrothermal method using glycine. Finally, Fe@Fe 2 O 3/3D-GO composite was synthesized and its properties were assessed by Scanning electron microscopy, Atomic force microscopy, Brunauer-Emmett-Teller, Fourier-transform infrared spectroscopy and X-ray diffraction methods. Then, the cathode electrode was prepared using the resulting composite and its performance was evaluated using Cyclic Voltammetry analysis. In the final part of this work, the Fe@Fe 2 O 3/3D-GO electrode was used as the cathode electrode in the heterogeneous EF process to remove SU from aqueous solutions. The effect of operating parameters such as applied current (mA), initial pH of solution, initial pharmaceutical concentration (mg L-1) and process time (min) on pharmaceutical removal efficiency under heterogeneous EF process was investigated by response surface methodology. The results showed that the optimum values for applied current, pH, initial pharmaceutical concentration and electrolysis time were respectively 300 mA, 7, 30 mg L-1 and 100 min, resulting 99.60% of SU removal. Finally, the intermediates of SU degradation were determined by Gas chromatography-mass spectrometry analysis and the amount of mineralization was determined by total organic carbon analysis. About 5.2% drop in the SU removal efficiency was observed within 8 operational runs.

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Metadata

Authors
Amali, S., Zarei, M., Ebratkhahan, M., & Khataee, A.
Affiliations
  • University of Tabriz (IR)
  • Gebze Technical University (TR)
Corresponding author
Zarei, Mahmoud
ORCID
Venue
Chemosphere
Publisher
Elsevier BV
Published
2021-06
Volume
273
Pages
128581
ISSN
0045-6535 (ISSN-L)
DOI
10.1016/j.chemosphere.2020.128581
OpenAlex
W3092513279
Cited by
34
References
0
Citations by year
2026: 3 · 2025: 4 · 2024: 4 · 2023: 4 · 2022: 11 · 2021: 8
FWCI
1.76
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • Chemosphere (publishedVersion)
  • PubMed (publishedVersion)
Funders
University of Tabriz (1397.3.5, 825)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
  • Physical Sciences › Environmental Science › Environmental Engineering › Microbial Fuel Cells and Bioremediation
  • Physical Sciences › Environmental Science › Environmental Engineering › Environmental remediation with nanomaterials
Keywords
sulfasalazine, heterogeneous electro-Fenton, three-dimensional graphene, graphene oxide, cathode, pharmaceutical removal, wastewater treatment, degradation intermediates, mineralization, response surface methodology
MeSH terms
Electrodes, Graphite, Hydrogen Peroxide, Sulfasalazine, Water Pollutants, Chemical

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Amali, S., Zarei, M., Ebratkhahan, M., & Khataee, A. (2021). Preparation of Fe@Fe2O3/3D graphene composite cathode for electrochemical removal of sulfasalazine. Chemosphere. https://doi.org/10.1016/j.chemosphere.2020.128581