On the use of electrochemical multi-sensors in biologically charged media

For the investigation and characterisation of liquid media with microorganisms, electrochemical sensors are typically used. Usually the microorganisms are part of the process or cannot be excluded for different reasons. This paper describes the application of various electrodes, which are partly min...

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Bibliographic Details
Published in:Journal of sensors and sensor systems 2015-09, Vol.4 (2), p.295-303
Main Authors: Sachse, S, Bockisch, A, Enseleit, U, Gerlach, F, Ahlborn, K, Kuhnke, T, Rother, U, Kielhorn, E, Neubauer, P, Junne, S, Vonau, W
Format: Article
Language:English
Subjects:
Beer
Biofilms
Biogas
Brewing
Chemical sensors
Compressed air
Electrodes
Industrial applications
Industrial plants
Investigations
Manufacturing
Microorganisms
Monitoring
Process controls
Sensors
Spatial distribution
Systems analysis
Technology application
Water treatment
Yeast
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Summary:For the investigation and characterisation of liquid media with microorganisms, electrochemical sensors are typically used. Usually the microorganisms are part of the process or cannot be excluded for different reasons. This paper describes the application of various electrodes, which are partly miniaturised and combined with multi-sensor systems for several applications in processes containing microorganisms. The application in industrial bioprocesses like beer brewing and biogas production, and in paper manufacturing, is described. The performance of the multi-sensor systems, and thus their suitability for a contribution to improved process monitoring, is evaluated. The multi-sensor systems represent an interesting tool to enhance monitoring capacities at installed systems without the necessity for huge port installations and offer the possibility to monitor the spatial distribution of gradients. The developed systems presented here allow location-independent measurements in process plants with a variable positioning of the sensors in the industrial reactors.
ISSN:2194-878X
2194-8771
2194-878X
DOI:10.5194/jsss-4-295-2015