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Energies
Volume 12
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10.3390/en12132610
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Article

Real-Time Monitoring of Micro-Electricity Generation Through the Voltage Across a Storage Capacitor Charged by a Simple Microbial Fuel Cell Reactor with Fast Fourier Transform

by
Jung-Chieh Su
1,
Szu-Ching Tang
2,
Po-Jui Su
3 and
Jung-Jeng Su
2,4,*
1
Department of Electronic and Computer Engineering and Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
2
Department of Animal Science and Technology, National Taiwan University, Taipei 10673, Taiwan
3
Department of Biomechatronics Engineering, National Ilan University, Ilan 26047, Taiwan
4
Bioenergy Research Center, College of Bio-resources and Agriculture, National Taiwan University, Taipei 10617, Taiwan
*
Author to whom correspondence should be addressed.
Energies 2019, 12(13), 2610; https://doi.org/10.3390/en12132610
Submission received: 31 May 2019 / Revised: 28 June 2019 / Accepted: 3 July 2019 / Published: 7 July 2019
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Abstract

The pattern of micro-electricity production of simple two-chamber microbial fuel cells (MFC) was monitored in this study. Piggery wastewater and anaerobic sludge served as fuel and inocula for the MFC, respectively. The output power, including voltage and current generation, of triplicate MFCs was measured using an on-line monitoring system. The maximum voltage obtained among the triplicates was 0.663 V. We also found that removal efficiency of chemical oxygen demand (COD) and biochemical oxygen demand (BOD) in the piggery wastewater was 94.99 and 98.63%, respectively. Moreover, analytical results of Fast Fourier Transform (FFT) demonstrated that the output current comprised alternating current (AC) and direct current (DC) components, ranging from mA to μA.
Keywords: piggery wastewater; capacitor; microbial fuel cell; anaerobic digestion; Fast Fourier transform piggery wastewater; capacitor; microbial fuel cell; anaerobic digestion; Fast Fourier transform

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MDPI and ACS Style

Su, J.-C.; Tang, S.-C.; Su, P.-J.; Su, J.-J. Real-Time Monitoring of Micro-Electricity Generation Through the Voltage Across a Storage Capacitor Charged by a Simple Microbial Fuel Cell Reactor with Fast Fourier Transform. Energies 2019, 12, 2610. https://doi.org/10.3390/en12132610

AMA Style

Su J-C, Tang S-C, Su P-J, Su J-J. Real-Time Monitoring of Micro-Electricity Generation Through the Voltage Across a Storage Capacitor Charged by a Simple Microbial Fuel Cell Reactor with Fast Fourier Transform. Energies. 2019; 12(13):2610. https://doi.org/10.3390/en12132610

Chicago/Turabian Style

Su, Jung-Chieh, Szu-Ching Tang, Po-Jui Su, and Jung-Jeng Su. 2019. "Real-Time Monitoring of Micro-Electricity Generation Through the Voltage Across a Storage Capacitor Charged by a Simple Microbial Fuel Cell Reactor with Fast Fourier Transform" Energies 12, no. 13: 2610. https://doi.org/10.3390/en12132610

APA Style

Su, J.-C., Tang, S.-C., Su, P.-J., & Su, J.-J. (2019). Real-Time Monitoring of Micro-Electricity Generation Through the Voltage Across a Storage Capacitor Charged by a Simple Microbial Fuel Cell Reactor with Fast Fourier Transform. Energies, 12(13), 2610. https://doi.org/10.3390/en12132610

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