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Bioelectricity Generation and Decolorization of Reactive Blue 221 Using a Modified Cathode Dual-Chamber Microbial Fuel Cell
In this study, the simultaneous enzymatic decolorization of reactive blue 221 (RB221) and the performance of different electrode carbon nanotube (CNT)-modified/unmodified carbon graphite cathodes were investigated in a dual-chamber Microbial Fuel Cell (MFC) at a permanent temperature of 25 °C. The maximum power density and maximum voltage increased by approximately 13.6% and 50%, respectively, when using the CNT-modified carbon graphite electrode as the cathode. A suspended laccase enzyme was utilized in the cathode compartment for dye decolorization. In the absence of the dye, laccase caused an increase in power density to about 28%. In addition, this research revealed that an initial dye concentration of 80 mg/L simultaneously resulted in an enzymatic decolorization efficiency of 73.4% in the cathode chamber and 82.3% chemical oxygen demand (COD) removal of sucrose in the anode chamber. Finally, this study substantiates the fact that an MFC equipped with a CNT-modified carbon graphite electrode can be used for bioelectricity generation and effective dye removal.
Bioelectricity Generation and Decolorization of Reactive Blue 221 Using a Modified Cathode Dual-Chamber Microbial Fuel Cell
In this study, the simultaneous enzymatic decolorization of reactive blue 221 (RB221) and the performance of different electrode carbon nanotube (CNT)-modified/unmodified carbon graphite cathodes were investigated in a dual-chamber Microbial Fuel Cell (MFC) at a permanent temperature of 25 °C. The maximum power density and maximum voltage increased by approximately 13.6% and 50%, respectively, when using the CNT-modified carbon graphite electrode as the cathode. A suspended laccase enzyme was utilized in the cathode compartment for dye decolorization. In the absence of the dye, laccase caused an increase in power density to about 28%. In addition, this research revealed that an initial dye concentration of 80 mg/L simultaneously resulted in an enzymatic decolorization efficiency of 73.4% in the cathode chamber and 82.3% chemical oxygen demand (COD) removal of sucrose in the anode chamber. Finally, this study substantiates the fact that an MFC equipped with a CNT-modified carbon graphite electrode can be used for bioelectricity generation and effective dye removal.
Bioelectricity Generation and Decolorization of Reactive Blue 221 Using a Modified Cathode Dual-Chamber Microbial Fuel Cell
Mohammad Amin Mousavian (author) / Sepideh Hosseini (author) / Bita Ayati (author)
2022
Article (Journal)
Electronic Resource
Unknown
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