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Current Topics in Electrochemistry   Volumes    Volume 22 
Comparison of 3D-carbon felt and 2D-carbon cloth for the bioremediation of acetaminophen using Trichoderma harzianum biofilm versus mixed biofilm of Trichoderma harzianum/Pseudomonas fluorescens in a fungal microbial fuel cell
Mehri Shabani, Maxime Pontié, Habibollah Younesi, Marwa Jaidi
Pages: 99 - 107
Number of pages: 9
Current Topics in Electrochemistry
Volume 22 

Copyright © 2020 Research Trends. All rights reserved

Three-dimensional (3D) carbon felt was compared with two-dimensional (2D) carbon cloth in terms of their efficiency for application in a fungal microbial fuel cell to biodegrade acetaminophen (APAP). A solution of 300 mgL-1 of APAP was used in the anode compartment that played the role of carbon source for microorganisms. The study also aimed to investigate the efficiency of both pure fungal biofilm of Trichoderma harzianum versus a mixed biofilm of Trichoderma harzianum/Pseudomonas fluorescens in biodegradation APAP. The results revealed that 3D-carbon felt (CF) was able to provide a higher amount of power density of 0.13 mW m-2  and 1.7 mW m-2 both in pure and mixed biofilm, respectively On the other hand, almost 10 times lower power density values were achieved with systems using 2D-carbon cloth (CC) vs 3D-carbon felt (CF). From this standpoint, both systems employing mixed biofilm can be considered more efficient in terms of faster degradation of APAP with lower half-life time, regardless of the electrode type. Additionally, the 3D-carbon felt colonized by a mixed biofilm of fungal-bacterial showed at least 3 times higher biodegradation kinetic rate than the 2D-carbon cloth.
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