Article (Scientific journals)
Innovative constructed wetland coupled with microbial fuel cell for enhancing diazo dye degradation with simultaneous electricity generation
Saket, Palak; MITTAL, Yamini; Bala, Kiran et al.
2022In Bioresource Technology, 345, p. 126490
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Keywords :
Dual chamber constructed wetland-microbial fuel cell; Congo red; Electricity generation; Chemical oxygen demand; Diazo dye degradation
Abstract :
[en] A novel earthen separator-based dual-chambered unplanted core of constructed wetland coupled with microbial fuel cell was developed for studying the microbe-material interaction and their effect on treatment performance and electricity generation. The constructed wetland integrated microbial fuel cell was evaluated for the degradation of high molecular weight diazo Congo red dye as a model pollutant. The system exhibited 89.99 ± 0.04% of dye decolorization and 95.80 ± 0.71% of chemical oxygen demand removal efficiency from an initial concentration of 50 ± 10 mg/L and 750 ± 50 mg/L, respectively. Ultraviolet–Visible spectrophotometric and gas chromatography-mass spectrometric analysis revealed naphthalene and phenol as mineralized products. The developed system achieved high power density and current density generation of 235.94 mW/m3 and 1176.4 mA/m3, respectively. Results manifested that dual-chambered constructed wetland coupled with microbial fuel cell has a high capability of dye decolorization and toxicity abatement with appreciable simultaneous bioelectricity generation owing to the significantly low internal resistance of 100 Ω.
Disciplines :
Civil engineering
Author, co-author :
Saket, Palak
MITTAL, Yamini  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Bala, Kiran
Joshi, Abhijeet
Kumar Yadav, Asheesh
External co-authors :
yes
Language :
English
Title :
Innovative constructed wetland coupled with microbial fuel cell for enhancing diazo dye degradation with simultaneous electricity generation
Publication date :
2022
Journal title :
Bioresource Technology
ISSN :
0960-8524
eISSN :
1873-2976
Publisher :
Elsevier, Nl
Volume :
345
Pages :
126490
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 03 February 2025

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