1. Institute of Urban Water Management, University of Kaiserslautern, Paul-Ehrlich-Str. 14, 67663 Kaiserslautern, Germany (E-mail: simonj@rhrk.uni-kl.de)
2. Anlagen- und Sondermaschinen Automation (ASA) GmbH, Robert-Bosch-Str. 7, 32547 Bad Oeynhausen, Germany (E-mail: wiese@asagmbh.de)
3. Institute for Innovative Wastewater Technologies, University of Kaiserslautern, Paul-Ehrlich-Str. 14, 67663 Kaiserslautern, Germany (E-mail: hsteinme@rhrk.uni-kl.de)