Volume 12, Issue 4 (2024)
ECOPERSIA 2024, 12(4): 379-389 |
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Sarvary Korojdeh M, Hadavifar M, Birjandi N, Mehrkhah R, Li Q. Influence of MLSS Concentration and Aspergillus niger on Microbial Fuel Cell Performance and Wastewater Treatment Efficiency. ECOPERSIA 2024; 12 (4) :379-389
URL: http://ecopersia.modares.ac.ir/article-24-75502-en.html
URL: http://ecopersia.modares.ac.ir/article-24-75502-en.html
1- Hakim Sabzevari University
2- Hakim Sabzevari University ,mhadavifar@yahoo.com
3- Lorestan University
4- Michigan Technology Co., Ltd, Techno B-502, Ulsan Technopark, Jonggaro 15, Junggu, Ulsan 44412, South Korea
5- Professor at School of Engineering and Built Environment, Griffith University, Nathan, Australia
2- Hakim Sabzevari University ,
3- Lorestan University
4- Michigan Technology Co., Ltd, Techno B-502, Ulsan Technopark, Jonggaro 15, Junggu, Ulsan 44412, South Korea
5- Professor at School of Engineering and Built Environment, Griffith University, Nathan, Australia
Abstract: (135 Views)
Aims: In this study, we evaluated the performance of direct microbial fuel cells using citric acid wastewater as a substrate under different concentrations of MLSS 1000 mg.L-1 and 3000 mg.L-1.
Materials & Methods: Aspergillus niger yeast was used as a microorganism over 4 days and nights of this experiment. A Nafion membrane was used for proton transfer, and graphite plates were used for electron transfer. COD removal efficiency, maximum open circuit voltage, power, and current density were evaluated.
Findings: The general trend of energy production and removal efficiency showed that energy production increased with increasing MLSS. The maximum of these variables was recorded for MLSS of 3000 mg.L-1, achieving a removal efficiency of 93%, an open circuit voltage of 500 mV, and power and current density of 24345 µW.m-2 and 444 mA.m-2, respectively.
Conclusion: Our results showed that the designed MFC suits wastewater treatment and energy recovery.
Materials & Methods: Aspergillus niger yeast was used as a microorganism over 4 days and nights of this experiment. A Nafion membrane was used for proton transfer, and graphite plates were used for electron transfer. COD removal efficiency, maximum open circuit voltage, power, and current density were evaluated.
Findings: The general trend of energy production and removal efficiency showed that energy production increased with increasing MLSS. The maximum of these variables was recorded for MLSS of 3000 mg.L-1, achieving a removal efficiency of 93%, an open circuit voltage of 500 mV, and power and current density of 24345 µW.m-2 and 444 mA.m-2, respectively.
Conclusion: Our results showed that the designed MFC suits wastewater treatment and energy recovery.
Article Type: Original Research |
Subject:
Pollution (Soil, Water and Air)
Received: 2024/06/6 | Accepted: 2024/11/18 | Published: 2024/12/20
Received: 2024/06/6 | Accepted: 2024/11/18 | Published: 2024/12/20
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