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Microbial fuel cells as an electrical energy source for degradation followed by decolorization of Reactive Black 5 azo dye

Authorized Users Only
2022
Authors
Joksimović, Kristina
Kodranov, Igor D.
Randjelović, Danijela
Slavković-Beškoski, Latinka
Radulović, Jelena
Lješević, Marija
Manojlović, Dragan D.
Beškoski, Vladimir
Article (Published version)
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Abstract
The problem of wastewater has long been ubiquitous and has great consequences for the environment and its inhabitants. Microbial fuel cells (MFCs) have enormous potential for the treatment of wastewaters polluted with azo dyes. The amount of energy that can be produced from a single-chamber MFC is sufficient to perform decolorization and degradation of such dyes, which are widely used in the textile industry. This study on the azo dye, reactive black 5 (RB5), provides an alternative method through three parallel-connected MFCs to obtain electricity that directly serves for the dye’s electrochemical degradation. We examined degradation followed by decolorization of RB5 using Fe and Pt electrodes, together with H2O2, to achieve the electro-Fenton process. The amount of voltage produced (295 mV), the current density (276 mA m−3) and the power density (50 mW m−3) were sufficient to degrade 25 mg L-1 RB5 dye with 0.5 mM H2O2 in just 2 h. The dye degradation mechanism was investigated using ...UV–VIS, FT-IR and HPLC-MS/MS. The ecotoxicity of the degradation products was assessed using a bacterial model, Aliivibrio fischeri. These tests showed that there was successful degradation of the dye to products whose toxicity is less than that of RB5.

Keywords:
Current source / Electro-Fenton technology / Microbial fuel cells / Reactive Black 5 degradation / Wastewater decolorization
Source:
Bioelectrochemistry, 2022, 145, 108088-
Publisher:
  • Elsevier
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200168 (University of Belgrade, Faculty of Chemistry) (RS-200168)

DOI: 10.1016/j.bioelechem.2022.108088

ISSN: 1567-5394

WoS: 00079044460000

Scopus: 2-s2.0-85124701769
[ Google Scholar ]
1
URI
https://www.sciencedirect.com/science/article/pii/S1567539422000391
http://cherry.chem.bg.ac.rs/handle/123456789/5045
Collections
  • Publikacije
Institution/Community
Hemijski fakultet
TY  - JOUR
AU  - Joksimović, Kristina
AU  - Kodranov, Igor D.
AU  - Randjelović, Danijela
AU  - Slavković-Beškoski, Latinka
AU  - Radulović, Jelena
AU  - Lješević, Marija
AU  - Manojlović, Dragan D.
AU  - Beškoski, Vladimir
PY  - 2022
UR  - https://www.sciencedirect.com/science/article/pii/S1567539422000391
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/5045
AB  - The problem of wastewater has long been ubiquitous and has great consequences for the environment and its inhabitants. Microbial fuel cells (MFCs) have enormous potential for the treatment of wastewaters polluted with azo dyes. The amount of energy that can be produced from a single-chamber MFC is sufficient to perform decolorization and degradation of such dyes, which are widely used in the textile industry. This study on the azo dye, reactive black 5 (RB5), provides an alternative method through three parallel-connected MFCs to obtain electricity that directly serves for the dye’s electrochemical degradation. We examined degradation followed by decolorization of RB5 using Fe and Pt electrodes, together with H2O2, to achieve the electro-Fenton process. The amount of voltage produced (295 mV), the current density (276 mA m−3) and the power density (50 mW m−3) were sufficient to degrade 25 mg L-1 RB5 dye with 0.5 mM H2O2 in just 2 h. The dye degradation mechanism was investigated using UV–VIS, FT-IR and HPLC-MS/MS. The ecotoxicity of the degradation products was assessed using a bacterial model, Aliivibrio fischeri. These tests showed that there was successful degradation of the dye to products whose toxicity is less than that of RB5.
T2  - Bioelectrochemistry
T1  - Microbial fuel cells as an electrical energy source for degradation followed by decolorization of Reactive Black 5 azo dye
VL  - 145
SP  - 108088
DO  - 10.1016/j.bioelechem.2022.108088
ER  - 
@article{
author = "Joksimović, Kristina and Kodranov, Igor D. and Randjelović, Danijela and Slavković-Beškoski, Latinka and Radulović, Jelena and Lješević, Marija and Manojlović, Dragan D. and Beškoski, Vladimir",
year = "2022",
abstract = "The problem of wastewater has long been ubiquitous and has great consequences for the environment and its inhabitants. Microbial fuel cells (MFCs) have enormous potential for the treatment of wastewaters polluted with azo dyes. The amount of energy that can be produced from a single-chamber MFC is sufficient to perform decolorization and degradation of such dyes, which are widely used in the textile industry. This study on the azo dye, reactive black 5 (RB5), provides an alternative method through three parallel-connected MFCs to obtain electricity that directly serves for the dye’s electrochemical degradation. We examined degradation followed by decolorization of RB5 using Fe and Pt electrodes, together with H2O2, to achieve the electro-Fenton process. The amount of voltage produced (295 mV), the current density (276 mA m−3) and the power density (50 mW m−3) were sufficient to degrade 25 mg L-1 RB5 dye with 0.5 mM H2O2 in just 2 h. The dye degradation mechanism was investigated using UV–VIS, FT-IR and HPLC-MS/MS. The ecotoxicity of the degradation products was assessed using a bacterial model, Aliivibrio fischeri. These tests showed that there was successful degradation of the dye to products whose toxicity is less than that of RB5.",
journal = "Bioelectrochemistry",
title = "Microbial fuel cells as an electrical energy source for degradation followed by decolorization of Reactive Black 5 azo dye",
volume = "145",
pages = "108088",
doi = "10.1016/j.bioelechem.2022.108088"
}
Joksimović, K., Kodranov, I. D., Randjelović, D., Slavković-Beškoski, L., Radulović, J., Lješević, M., Manojlović, D. D.,& Beškoski, V.. (2022). Microbial fuel cells as an electrical energy source for degradation followed by decolorization of Reactive Black 5 azo dye. in Bioelectrochemistry, 145, 108088.
https://doi.org/10.1016/j.bioelechem.2022.108088
Joksimović K, Kodranov ID, Randjelović D, Slavković-Beškoski L, Radulović J, Lješević M, Manojlović DD, Beškoski V. Microbial fuel cells as an electrical energy source for degradation followed by decolorization of Reactive Black 5 azo dye. in Bioelectrochemistry. 2022;145:108088.
doi:10.1016/j.bioelechem.2022.108088 .
Joksimović, Kristina, Kodranov, Igor D., Randjelović, Danijela, Slavković-Beškoski, Latinka, Radulović, Jelena, Lješević, Marija, Manojlović, Dragan D., Beškoski, Vladimir, "Microbial fuel cells as an electrical energy source for degradation followed by decolorization of Reactive Black 5 azo dye" in Bioelectrochemistry, 145 (2022):108088,
https://doi.org/10.1016/j.bioelechem.2022.108088 . .

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