Flame-Oxidized Stainless-Steel Anode as a Probe in Bioelectrochemical System-Based Biosensors to Monitor the Biochemical Oxygen Demand of Wastewater

Sensors
Qiaochu LiangHiroshi Yokoyama

Abstract

Biochemical oxygen demand (BOD) is a widely used index of water quality in wastewater treatment; however, conventional measurement methods are time-consuming. In this study, we analyzed a novel flame-oxidized stainless steel anode (FO-SSA) for use as the probe of bioelectrochemical system (BES)-based biosensors to monitor the BOD of treated swine wastewater. A thinner biofilm formed on the FO-SSA compared with that on a common carbon-cloth anode (CCA). The FO-SSA was superior to the CCA in terms of rapid sensing; the response time of the FO-SSA to obtain the value of R2 > 0.8 was 1 h, whereas the CCA required 4 h. These results indicate that the FO-SSA offers better performance than traditional CCAs in BES biosensors and can be used to improve biomonitoring of wastewater.

References

Mar 7, 2003·Applied and Environmental Microbiology·Daniel R Bond, Derek R Lovley
Jul 29, 2003·Biotechnology Letters·Byung Hong KimHyung Joo Kim
Jun 2, 2009·Water Research·Mirella Di LorenzoKeith Scott
Mar 27, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Jian-Zhong SunYang-Chun Yong
Jan 16, 2016·Journal of Microbiology and Biotechnology·Hiroshi YokoyamaTakahiro Yamashita
Jun 6, 2017·Sensors and Actuators. B, Chemical·Grzegorz PasternakIoannis Ieropoulos

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Citations

Jul 25, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Michael Sweeney, John Kabouris

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Methods Mentioned

BETA
biosensors
biosensor

Software Mentioned

FO

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