Applied Biochemistry and Biotechnology

, Volume 28, Issue 1, pp 855–863 | Cite as

Study of BOD Microbial Sensors for Waste Water Treatment Control

  • You-Rong Li
  • Ju Chu
Session 4 Bioengineering Research


A microbial sensor consisting of immobilized yeast or bacterial cells and an oxygen electrode was developed for the estimation of biochemical oxygen demand (BOD). A flow-through system was used, and the response time was within 20 min. A linear relationship was observed between the relative current decrease and the BOD of the sample solution within the range of 1-45 mg/L. The storage lifetime was > 1 yr. The reproducibility was quite good, within 6% fsd at a concentration of 20 mg/L BOD. Satisfactory results were attained when the biosensor was applied to the determination of BOD in brewery-plant and glutamate-plant wastewater and in a river.

Index Entries

BOD dissolved oxygen electrode biosensor microbial sensor wastewater analysis 


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Copyright information

© Humana Press Inc. 1991

Authors and Affiliations

  • You-Rong Li
    • 1
  • Ju Chu
    • 1
  1. 1.Department of Biochemical EngineeringEast China University of Chemical TechnologyShanghaiPRC

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