Osmotic microbial fuel cell for sustainable wastewater treatment along with desalination, bio-energy and resource recovery: A critical review

Sibi, Reiva; Sheelam, Anjaiah; Gunaseelan, K.; Jadhav, Dipak A.; Gangadharan, Praveena

doi:10.1016/j.biteb.2023.101540

Cited by 9 publications

(1 citation statement)

References 62 publications

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“…Furthermore, by incorporating theoretical frameworks and empirical findings, we advanced our understanding of complex interactions within the MFC system. The use of MFC for wastewater treatment is an area of great potential, which has demonstrated its ability to treat a wide range of contaminants, such as drugs [35], organic removal [36], dyes [37], or contribute to desalination [38] and bioelectricity generation [39][40][41]. These insights not only contribute to the development of sustainable energy technologies but also pave the way for further research on optimizing MFC operation, improving waste treatment processes, and exploring the potential synergies between waste valorization and renewable energy generation.…”

Section: Discussionmentioning

confidence: 99%

Use of Plackett–Burman and Box–Behnken Designs to Optimize Bioelectricity Production from Winery Residues

Devesa-Rey,

Arce,

Cartelle

et al. 2023

Water

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This study aimed to estimate the bioelectricity production process using a vinasse solution through the application of Plackett–Burman and Box–Behnken designs. An electrochemical cell was constructed using Arduino to measure the potential difference between an anode and cathode immersed in a vinasse solution, which is a byproduct of wine production containing organic compounds and ions that undergo redox reactions. The Plackett–Burman design identified the most influential variables among eight previously selected (concentration of the electrolyte, pH, temperature, stirring, addition of NaCl, yeast dose and electrode:solution ratio). The results showed that the most influencing variables were the vinasse concentration and stirring and a peak of 306 mV could be observed for a 100 mL experiment. The third most influential variable regarding the process was NaCl addition, which showed its high influence at larger times. Based on these results, the Box–Behnken design was used to determine the possible ranges of variation of the independent variables (vinasse concentration, stirring and NaCl dose) to maximize the bioelectricity production. Therefore, with the combination of the intermediate concentrated vinasse (1:3 v/v ratio) and stirring, a peak of 431.1 mV could be observed when adding 2% NaCl after 15 min of the experiment. In what concerns the instant bioelectricity, measured after 1 min of the experiment, values up to 437.9 mV could be observed although yeast and/or NaCl are necessary at short times. This study provides insights into the bioelectricity production process from vinasse, contributing to the understanding and potential for sustainable energy generation.

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Section: Discussionmentioning

confidence: 99%

Use of Plackett–Burman and Box–Behnken Designs to Optimize Bioelectricity Production from Winery Residues

Devesa-Rey,

Arce,

Cartelle

et al. 2023

Water

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A concise review on wastewater treatment through microbial fuel cell: sustainable and holistic approach

Kunwar,

Pandey,

Bhatnagar

et al. 2023

Environ Sci Pollut Res

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The influence of various chemical oxygen demands on microbial fuel cells performance using leachate as a substrate

Ishaq,

Said,

Azman

et al. 2024

Environ Sci Pollut Res

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Microbial fuel cells (MFCs), hailed as a promising technology, hold the potential to combat various wastewater pollutants while simultaneously converting their chemical energy into electricity through biocatalysts. This study explores the applicability of a dual compartment MFC (DC-MFC) under varying conditions, targeting the removal of chemical oxygen demand (COD) from landfill leachate and electricity generation. In this setup, anaerobic sludge from a wastewater treatment plant serves as the inoculum in the anode compartment of the MFC, with a Nafion117 membrane acting as the separator between MFC units. The cathode compartments are filled with distilled water and continually aerated for 24 h to enhance air supply. The study assesses the MFC’s performance across different COD concentrations, focusing on COD removal, power generation, and Coulombic efficiency. The findings reveal that COD removal efficiency is notably enhanced at higher concentrations of organic matter. Specifically, at a COD concentration of 3325.0 mg L−1, the MFC exhibited the highest COD removal efficiency (89%) and maximum power density (339.41 mWm−2), accompanied by a Coulombic efficiency of 25.5%. However, as the initial substrate concentration increased to 3825 mg L−1, the efficiency decreased to 72%, with a Coulombic efficiency of 13.56% and a power density of 262.34 mWm−2. Optical density levels increased due to bacterial growth at ambient temperature and neutral pH, reflecting the dynamic microbial response within the system.

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Osmotic microbial fuel cell for sustainable wastewater treatment along with desalination, bio-energy and resource recovery: A critical review

Cited by 9 publications

References 62 publications

Use of Plackett–Burman and Box–Behnken Designs to Optimize Bioelectricity Production from Winery Residues

Use of Plackett–Burman and Box–Behnken Designs to Optimize Bioelectricity Production from Winery Residues

A concise review on wastewater treatment through microbial fuel cell: sustainable and holistic approach

The influence of various chemical oxygen demands on microbial fuel cells performance using leachate as a substrate

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