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Journal of Sensors and Sensor Systems An open-access peer-reviewed journal
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Volume 4, issue 2
J. Sens. Sens. Syst., 4, 295–303, 2015
https://doi.org/10.5194/jsss-4-295-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
J. Sens. Sens. Syst., 4, 295–303, 2015
https://doi.org/10.5194/jsss-4-295-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular research article 18 Sep 2015

Regular research article | 18 Sep 2015

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

S. Sachse1, A. Bockisch2, U. Enseleit1, F. Gerlach1, K. Ahlborn1, T. Kuhnke3, U. Rother3, E. Kielhorn2, P. Neubauer2, S. Junne2, and W. Vonau1 S. Sachse et al.
  • 1Kurt-Schwabe-Institut für Mess- und Sensortechnik e.V. Meinsberg, Waldheim, Germany
  • 2Chair of Bioprocess Engineering, Technische Universität Berlin, Berlin, Germany
  • 3Rox GmbH, Radeberg, Germany

Abstract. 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.

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