Continuous determination of biochemical oxygen demand using microbial fuel cell type biosensor

In Seop Chang, Jae Kyung Jang, Geun Cheol Gil, Mia Kim, Hyung Joo Kim, Byung Won Cho, Byung Hong Kim

Research output: Contribution to journalArticle

275 Citations (Scopus)

Abstract

A mediator-less microbial fuel cell (MFC) was used as a biochemical oxygen demand (BOD) sensor in an amperometric mode for real-time wastewater monitoring. At a hydraulic retention time of 1.05h, BOD values of up to 100mg/l were measured based on a linear relationship, while higher BOD values were measured using a lower feeding rate. About 60min was required to reach a new steady-state current after the MFCs had been fed with different strength artificial wastewaters (Aws). The current generated from the MFCs fed with AW with a BOD of 100mg/l was compared to determine the repeatability, and the difference was less than 10%. When the MFC was starved, the original current value was regained with a varying recovery time depending on the length of the starvation. During starvation, the MFC generated a background level current, probably due to an endogenous metabolism.

Original languageEnglish
Pages (from-to)607-613
Number of pages7
JournalBiosensors and Bioelectronics
Volume19
Issue number6
DOIs
Publication statusPublished - 15 Jan 2004
Externally publishedYes

Fingerprint

Bioelectric Energy Sources
Microbial fuel cells
Biochemical oxygen demand
Biosensing Techniques
Biosensors
Oxygen
Waste Water
Starvation
Wastewater
Metabolism
Hydraulics
Recovery
Monitoring
Sensors

Keywords

  • Biosensor
  • BOD
  • Continuous monitoring
  • Microbial fuel cell

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Electrochemistry

Cite this

Chang, I. S., Jang, J. K., Gil, G. C., Kim, M., Kim, H. J., Cho, B. W., & Kim, B. H. (2004). Continuous determination of biochemical oxygen demand using microbial fuel cell type biosensor. Biosensors and Bioelectronics, 19(6), 607-613. https://doi.org/10.1016/S0956-5663(03)00272-0

Continuous determination of biochemical oxygen demand using microbial fuel cell type biosensor. / Chang, In Seop; Jang, Jae Kyung; Gil, Geun Cheol; Kim, Mia; Kim, Hyung Joo; Cho, Byung Won; Kim, Byung Hong.

In: Biosensors and Bioelectronics, Vol. 19, No. 6, 15.01.2004, p. 607-613.

Research output: Contribution to journalArticle

Chang, In Seop ; Jang, Jae Kyung ; Gil, Geun Cheol ; Kim, Mia ; Kim, Hyung Joo ; Cho, Byung Won ; Kim, Byung Hong. / Continuous determination of biochemical oxygen demand using microbial fuel cell type biosensor. In: Biosensors and Bioelectronics. 2004 ; Vol. 19, No. 6. pp. 607-613.
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