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Removal of Diclofenac Sodium from Wastewater in Microbial Fuel Cell by Anode Modified with MnCo 2 O 4

Author

Listed:
  • Roya Morovati

    (Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz 7153675541, Iran)

  • Mohammad Hoseini

    (Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz 7153675541, Iran)

  • Abooalfazl Azhdarpoor

    (Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz 7153675541, Iran)

  • Mansooreh Dehghani

    (Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz 7153675541, Iran)

  • Mohammad Ali Baghapour

    (Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz 7153675541, Iran)

  • Saeed Yousefinejad

    (Department of Occupational Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz 7153675541, Iran)

Abstract

Microbial fuel cell (MFC) with a modified anode is one of the new methods to increase MFC efficiency. This study synthesized an anode modified with cobalt manganese oxide (MnCo 2 O 4 @CF) on carbon felt (CF) by easy hydrothermal method and binder-free. Chemical oxygen demand (COD) was measured with and without diclofenac (DCF). According to SEM results, MnCo 2 O 4 was uniformly dispersed on the anode electrode surface. Moreover, the maximum power density in COD (1000 mg/L), 48 h. condition without DCF (726 mA/m 2 ) was 165 ± 0.012 mW/m 2 and with DCF concentration of 20 mg/L, it was 308 ± 0.013 mW/m 2 (992 mA/m 2 ). In addition, in the presence of 10 mg/L DCF concentration, the maximum COD removal efficiency was 82% ± 1.93 at 48 h. COD removal efficiency without DCF was 94.67% ± 0.02 at 72 h. After 72 h, the maximum removal efficiency of COD and DCF in the carbon anode was 41% ± 1.15 and 9.5% ± 0.23, respectively. Moreover, the maximum DCF removal efficiency using a MnCo 2 O 4 anode was 56% ± 0.55, at 48 h; the initial COD concentration was 500 mg/L, and the DCF concentration was 20 mg/L. This research showed that coating the anode with MnCo 2 O 4 could lead to the increased growth of microorganisms on the surface of the anode, decreased load transfer resistance, increased power density, and more removal of COD and DCF. As a result, the performance of fuel cells with modified anode and removal of DCF increased compared to anode with CF-MFC. Thus, the performance of fuel cells with modified anode and removal of DCF increased compared to anode with CF-MFC.

Suggested Citation

  • Roya Morovati & Mohammad Hoseini & Abooalfazl Azhdarpoor & Mansooreh Dehghani & Mohammad Ali Baghapour & Saeed Yousefinejad, 2022. "Removal of Diclofenac Sodium from Wastewater in Microbial Fuel Cell by Anode Modified with MnCo 2 O 4," Sustainability, MDPI, vol. 14(21), pages 1-17, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:21:p:13907-:d:953881
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    References listed on IDEAS

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    1. Arpita Nandy & Mohita Sharma & Senthil Velan Venkatesan & Nicole Taylor & Lisa Gieg & Venkataraman Thangadurai, 2019. "Comparative Evaluation of Coated and Non-Coated Carbon Electrodes in a Microbial Fuel Cell for Treatment of Municipal Sludge," Energies, MDPI, vol. 12(6), pages 1-14, March.
    2. Ruifeng Zhang & Bizhong Xia & Baohua Li & Yongzhi Lai & Weiwei Zheng & Huawen Wang & Wei Wang & Mingwang Wang, 2018. "Study on the Characteristics of a High Capacity Nickel Manganese Cobalt Oxide (NMC) Lithium-Ion Battery—An Experimental Investigation," Energies, MDPI, vol. 11(9), pages 1-20, August.
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