Innovative operation of microbial fuel cell-based biosensor for selective monitoring of acetate during anaerobic digestion

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Innovative operation of microbial fuel cell-based biosensor for selective monitoring of acetate during anaerobic digestion. / Sun, Hao; Zhang, Yifeng; Wu, Shubiao; Dong, Renjie; Angelidaki, Irini.

In: Science of the Total Environment, Vol. 655, No. March, 2019, p. 1439-1447.

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Sun, H, Zhang, Y, Wu, S, Dong, R & Angelidaki, I 2019, 'Innovative operation of microbial fuel cell-based biosensor for selective monitoring of acetate during anaerobic digestion', Science of the Total Environment, vol. 655, no. March, pp. 1439-1447. https://doi.org/10.1016/j.scitotenv.2018.11.336

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Sun, Hao ; Zhang, Yifeng ; Wu, Shubiao ; Dong, Renjie ; Angelidaki, Irini. / Innovative operation of microbial fuel cell-based biosensor for selective monitoring of acetate during anaerobic digestion. In: Science of the Total Environment. 2019 ; Vol. 655, No. March. pp. 1439-1447.

Bibtex

@article{ebbea775c30c41c5be519cfdabc6bfd4,
title = "Innovative operation of microbial fuel cell-based biosensor for selective monitoring of acetate during anaerobic digestion",
abstract = "Volatile fatty acids (VFAs) especially acetate concentration have been proved to be a sensitive and reliable indicator for many anaerobic processes such as anaerobic digestion (AD). Microbial fuel cells (MFC) have been demonstrated as a promising VFAs sensor due to simple reactor design and operating conditions among microbial electrochemical biosensors. However, the conventional MFC biosensors may fail to distinguish between VFAs and other organics as real digestates containing complex organics and microbes are fed into anode directly. In the present study, an MFC based biosensor was developed and operated in a smart way for selective acetate detection. In the biosensor, acetate ions contained in the AD sample was first fed into the cathode, and then acetic ion transferred through the membrane from the cathode to anode chamber where it was further used as the sole substrate by pre-enriched electroactive biofilm for the current generation. A linear correlation between the current density and acetate concentrations (0.5–20 mM) at varied reaction time (1–5 h) was established. Then, the interference from propionate, butyrate, isobutyrate, and glucose on the performance of the biosensor was evaluated. Furthermore, the influence of sample temperatures (37 and 55 °C) was also studied. Finally, the VFAs content in real AD effluent with this biosensor was measured. The results corresponded well with gas chromatographic measurements. This simple, and reliable biosensor could serve as a promising alternative method for acetate detection in the AD process or any other acetate-rich fluids.",
keywords = "Acetate, Anaerobic digestion, Bioelectricity, Biosensor, Current, Microbial fuel cell",
author = "Hao Sun and Yifeng Zhang and Shubiao Wu and Renjie Dong and Irini Angelidaki",
year = "2019",
doi = "10.1016/j.scitotenv.2018.11.336",
language = "English",
volume = "655",
pages = "1439--1447",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier BV",
number = "March",

}

RIS

TY - JOUR

T1 - Innovative operation of microbial fuel cell-based biosensor for selective monitoring of acetate during anaerobic digestion

AU - Sun, Hao

AU - Zhang, Yifeng

AU - Wu, Shubiao

AU - Dong, Renjie

AU - Angelidaki, Irini

PY - 2019

Y1 - 2019

N2 - Volatile fatty acids (VFAs) especially acetate concentration have been proved to be a sensitive and reliable indicator for many anaerobic processes such as anaerobic digestion (AD). Microbial fuel cells (MFC) have been demonstrated as a promising VFAs sensor due to simple reactor design and operating conditions among microbial electrochemical biosensors. However, the conventional MFC biosensors may fail to distinguish between VFAs and other organics as real digestates containing complex organics and microbes are fed into anode directly. In the present study, an MFC based biosensor was developed and operated in a smart way for selective acetate detection. In the biosensor, acetate ions contained in the AD sample was first fed into the cathode, and then acetic ion transferred through the membrane from the cathode to anode chamber where it was further used as the sole substrate by pre-enriched electroactive biofilm for the current generation. A linear correlation between the current density and acetate concentrations (0.5–20 mM) at varied reaction time (1–5 h) was established. Then, the interference from propionate, butyrate, isobutyrate, and glucose on the performance of the biosensor was evaluated. Furthermore, the influence of sample temperatures (37 and 55 °C) was also studied. Finally, the VFAs content in real AD effluent with this biosensor was measured. The results corresponded well with gas chromatographic measurements. This simple, and reliable biosensor could serve as a promising alternative method for acetate detection in the AD process or any other acetate-rich fluids.

AB - Volatile fatty acids (VFAs) especially acetate concentration have been proved to be a sensitive and reliable indicator for many anaerobic processes such as anaerobic digestion (AD). Microbial fuel cells (MFC) have been demonstrated as a promising VFAs sensor due to simple reactor design and operating conditions among microbial electrochemical biosensors. However, the conventional MFC biosensors may fail to distinguish between VFAs and other organics as real digestates containing complex organics and microbes are fed into anode directly. In the present study, an MFC based biosensor was developed and operated in a smart way for selective acetate detection. In the biosensor, acetate ions contained in the AD sample was first fed into the cathode, and then acetic ion transferred through the membrane from the cathode to anode chamber where it was further used as the sole substrate by pre-enriched electroactive biofilm for the current generation. A linear correlation between the current density and acetate concentrations (0.5–20 mM) at varied reaction time (1–5 h) was established. Then, the interference from propionate, butyrate, isobutyrate, and glucose on the performance of the biosensor was evaluated. Furthermore, the influence of sample temperatures (37 and 55 °C) was also studied. Finally, the VFAs content in real AD effluent with this biosensor was measured. The results corresponded well with gas chromatographic measurements. This simple, and reliable biosensor could serve as a promising alternative method for acetate detection in the AD process or any other acetate-rich fluids.

KW - Acetate

KW - Anaerobic digestion

KW - Bioelectricity

KW - Biosensor

KW - Current

KW - Microbial fuel cell

UR - http://www.scopus.com/inward/record.url?scp=85057326751&partnerID=8YFLogxK

U2 - 10.1016/j.scitotenv.2018.11.336

DO - 10.1016/j.scitotenv.2018.11.336

M3 - Journal article

C2 - 30577135

AN - SCOPUS:85057326751

VL - 655

SP - 1439

EP - 1447

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

IS - March

ER -