Local fruit wastes driven benthic microbial fuel cell: a sustainable approach to toxic metal removal and bioelectricity generation

Abstract The present work focused on the utilization of three local wastes i.e., rambutan (nephelium lappaceum), langsat (lansium parasiticum) and mango (mangifera indica) wastes as organic substrates in benthic microbial fuel cell (BMFC) to reduce the cadmium and lead concentrations from synthetic wastewater. Out of the three wastes, the mango waste promoted a maximum current density (87.71 mA/m2) along with 78 % and 80 % removal efficiencies for Cd2+ and Pb2+, respectively. The bacterial identification proved that Klebsiella pneumoniae, Enterobacter, and Citrobacter were responsible for metals removals and energy generation. Lastly, the BMFC mechanism, challenges and future recommendations are enclosed.

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Effects of cathode/anode electron accumulation on soil microbial fuel cell power generation and heavy metal removal

Environmental Research ◽

10.1016/j.envres.2021.111217 ◽

2021 ◽

pp. 111217

Author(s):

Jingran Zhang ◽

Yilun Sun ◽

Haochi Zhang ◽

Xian Cao ◽

Hui Wang ◽

...

Keyword(s):

Power Generation ◽

Heavy Metal ◽

Fuel Cell ◽

Microbial Fuel Cell ◽

Metal Removal ◽

Heavy Metal Removal ◽

Soil Microbial ◽

Electron Accumulation ◽

Soil Microbial Fuel Cell

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Feasibility study of simultaneous azo dye decolorization and bioelectricity generation by microbial fuel cell-coupled constructed wetland: substrate effects

RSC Advances ◽

10.1039/c7ra01255a ◽

2017 ◽

Vol 7 (27) ◽

pp. 16542-16552 ◽

Cited By ~ 16

Author(s):

Zhou Fang ◽

Sichao Cheng ◽

Hui Wang ◽

Xian Cao ◽

Xianning Li

Keyword(s):

Fuel Cell ◽

Microbial Fuel Cell ◽

Constructed Wetlands ◽

Microbial Fuel Cells ◽

Azo Dye ◽

Dye Decolorization ◽

Dye Wastewater ◽

Substrate Effects ◽

Bioelectricity Generation ◽

Azo Dye Decolorization

Microbial fuel cells (MFCs) were embedded into constructed wetlands to form microbial fuel cell coupled constructed wetlands (CW-MFCs) and were used for simultaneous azo dye wastewater treatment and bioelectricity generation.

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Bioelectrochemical Treatment of Sewage Associated With Desalination of Wetland Saline Water and Bioelectricity Generation in Stacked Microbial Fuel Cell

Journal of Xi'an University of Architecture & Technology ◽

10.37896/jxat12.05/1425 ◽

2020 ◽

Vol XII (V) ◽

Keyword(s):

Fuel Cell ◽

Microbial Fuel Cell ◽

Saline Water ◽

Bioelectricity Generation

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Effect of Anolyte pH on the Performance of a Dual-Chambered Microbial Fuel Cell Operated with Different Biomass Feed

Journal of Chemistry ◽

10.1155/2021/5465680 ◽

2021 ◽

Vol 2021 ◽

pp. 1-8

Author(s):

Md. Abdul Halim ◽

Md. Owaleur Rahman ◽

Mohammad Ibrahim ◽

Rituparna Kundu ◽

Biplob Kumar Biswas

Keyword(s):

Wastewater Treatment ◽

Fuel Cell ◽

River Water ◽

Microbial Fuel Cell ◽

Alternative Energy ◽

Coulombic Efficiency ◽

Oxygen Demand ◽

Cod Removal ◽

Bioelectricity Generation ◽

Alternative Energy Resources

Finding sustainable alternative energy resources and treating wastewater are the two most important issues that need to be solved. Microbial fuel cell (MFC) technology has demonstrated a tremendous potential in bioelectricity generation with wastewater treatment. Since wastewater can be used as a source of electrolyte for the MFC, the salient point of this study was to investigate the effect of pH on bioelectricity production using various biomass feed (wastewater and river water) as the anolyte in a dual-chambered MFC. Maximum extents of power density (1459.02 mW·m−2), current density (1288.9 mA·m−2), and voltage (1132 mV) were obtained at pH 8 by using Bhairab river water as a feedstock in the MFC. A substantial extent of chemical oxygen demand (COD) removal (94%) as well as coulombic efficiency (41.7%) was also achieved in the same chamber at pH 8. The overall performance of the MFC, in terms of bioelectricity generation, COD removal, and coulombic efficiency, indicates a plausible utilization of the MFC for wastewater treatment as well as bioelectricity production.

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