Immobilised activated sludge based biosensor for biochemical oxygen demand measurement
(2000) In Biosensors & Bioelectronics 14(12). p.883-893- Abstract
- A biochemical oxygen demand (BOD) sensor, based on an immobilised mixed culture of microorganisms in combination with a dissolved oxygen electrode, has been developed for the purpose of on-line monitoring of the biological treatment process for waste and wastewater. The sensor was designed for easy replacement of the biomembrane, thereby making it suitable for short-term use. The drawbacks of activated sludge based sensor, such as short sensor lifetime, were thereby circumvented. The sensor BOD measurements were carried out in the kinetic mode using a flow injection system, resulting in 25 s for one measurement followed by 4-8 min recovery time. Based on the results of normalised sensor responses, the OECD synthetic wastewater was... (More)
- A biochemical oxygen demand (BOD) sensor, based on an immobilised mixed culture of microorganisms in combination with a dissolved oxygen electrode, has been developed for the purpose of on-line monitoring of the biological treatment process for waste and wastewater. The sensor was designed for easy replacement of the biomembrane, thereby making it suitable for short-term use. The drawbacks of activated sludge based sensor, such as short sensor lifetime, were thereby circumvented. The sensor BOD measurements were carried out in the kinetic mode using a flow injection system, resulting in 25 s for one measurement followed by 4-8 min recovery time. Based on the results of normalised sensor responses, the OECD synthetic wastewater was considered to be a more suitable calibration solution in comparison with the GGA solution. Good agreement was achieved between the results of the sensor BOD measurement and those obtained from BOD5 analysis of a wastewater sample from a food-processing factory. Reproducibility of responses using one sensor was below +/-5.6% standard deviation. Reproducibility of responses using different sensors was within acceptable bias limits, viz. +/-15% standard deviation. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/817894
- author
- Liu, Jing LU ; Björnsson, Lovisa LU and Mattiasson, Bo LU
- organization
- publishing date
- 2000
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Biochemical oxygen demand, Activated sludge, Microbial consortium, Kinetic mode, Dynamic mode, Wastewater, BOD sensor
- in
- Biosensors & Bioelectronics
- volume
- 14
- issue
- 12
- pages
- 883 - 893
- publisher
- Elsevier
- external identifiers
-
- scopus:0342980893
- ISSN
- 1873-4235
- DOI
- 10.1016/S0956-5663(99)00064-0
- language
- English
- LU publication?
- yes
- id
- 5a1de145-8012-43b0-a106-d9b18d98590c (old id 817894)
- date added to LUP
- 2016-04-01 15:47:55
- date last changed
- 2022-02-05 03:05:08
@article{5a1de145-8012-43b0-a106-d9b18d98590c,
abstract = {{A biochemical oxygen demand (BOD) sensor, based on an immobilised mixed culture of microorganisms in combination with a dissolved oxygen electrode, has been developed for the purpose of on-line monitoring of the biological treatment process for waste and wastewater. The sensor was designed for easy replacement of the biomembrane, thereby making it suitable for short-term use. The drawbacks of activated sludge based sensor, such as short sensor lifetime, were thereby circumvented. The sensor BOD measurements were carried out in the kinetic mode using a flow injection system, resulting in 25 s for one measurement followed by 4-8 min recovery time. Based on the results of normalised sensor responses, the OECD synthetic wastewater was considered to be a more suitable calibration solution in comparison with the GGA solution. Good agreement was achieved between the results of the sensor BOD measurement and those obtained from BOD5 analysis of a wastewater sample from a food-processing factory. Reproducibility of responses using one sensor was below +/-5.6% standard deviation. Reproducibility of responses using different sensors was within acceptable bias limits, viz. +/-15% standard deviation.}},
author = {{Liu, Jing and Björnsson, Lovisa and Mattiasson, Bo}},
issn = {{1873-4235}},
keywords = {{Biochemical oxygen demand; Activated sludge; Microbial consortium; Kinetic mode; Dynamic mode; Wastewater; BOD sensor}},
language = {{eng}},
number = {{12}},
pages = {{883--893}},
publisher = {{Elsevier}},
series = {{Biosensors & Bioelectronics}},
title = {{Immobilised activated sludge based biosensor for biochemical oxygen demand measurement}},
url = {{http://dx.doi.org/10.1016/S0956-5663(99)00064-0}},
doi = {{10.1016/S0956-5663(99)00064-0}},
volume = {{14}},
year = {{2000}},
}