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Improving nutrient removal while reducing energy use at three Swiss WWTPs using advanced control
Rieger, L., Takács, I., & Siegrist, H. (2012). Improving nutrient removal while reducing energy use at three Swiss WWTPs using advanced control. Water Environment Research, 84(2), 170-188. https://doi.org/10.2175/106143011X13233670703684
Data reconciliation for wastewater treatment plant simulation studies-planning for high-quality data and typical sources of errors
Rieger, L., Takács, I., Villez, K., Siegrist, H., Lessard, P., Vanrolleghem, P. A., & Comeau, Y. (2010). Data reconciliation for wastewater treatment plant simulation studies-planning for high-quality data and typical sources of errors. Water Environment Research, 82(5), 426-433. https://doi.org/10.2175/106143009X12529484815511
Extension of ASM3 for two-step nitrification and denitrification and its calibration and validation with batch tests and pilot scale data
Kaelin, D., Manser, R., Rieger, L., Eugster, J., Rottermann, K., & Siegrist, H. (2009). Extension of ASM3 for two-step nitrification and denitrification and its calibration and validation with batch tests and pilot scale data. Water Research, 43(6), 1680-1692. https://doi.org/10.1016/j.watres.2008.12.039
Potential of in-situ sensors with ion-selective electrodes for aeration control at wastewater treatment plants
Kaelin, D., Rieger, L., Eugster, J., Rottermann, K., Bänninger, C., & Siegrist, H. (2008). Potential of in-situ sensors with ion-selective electrodes for aeration control at wastewater treatment plants. Water Science and Technology, 58(3), 629-637. https://doi.org/10.2166/wst.2008.433
WEFTEC'08: Advanced aeration control to save energy and improve nutrient removal – results from 3 Swiss wastewater treatment plants
Rieger, L., & Siegrist, H. (2008). WEFTEC'08: Advanced aeration control to save energy and improve nutrient removal – results from 3 Swiss wastewater treatment plants (p. (5 pp.). Presented at the 81st water environment federation technical exhibition and conference (WEFTEC 2008). .
Modelling of aeration systems at wastewater treatment plants
Rieger, L., Alex, J., Gujer, W., & Siegrist, H. (2006). Modelling of aeration systems at wastewater treatment plants. Water Science and Technology, 53(4-5), 439-447. https://doi.org/10.2166/wst.2006.100
Uncertainties of spectral <I>in-situ</I> measurements in wastewater using different calibration approaches
Rieger, L., Langergraber, G., & Siegrist, H. (2006). Uncertainties of spectral in-situ measurements in wastewater using different calibration approaches. Water Science and Technology, 53(12), 187-197. https://doi.org/10.2166/wst.2006.421
Quantifying the uncertainty of on-line sensors at WWTPs during field operation
Rieger, L., Thomann, M., Gujer, W., & Siegrist, H. (2005). Quantifying the uncertainty of on-line sensors at WWTPs during field operation. Water Research, 39(20), 5162-5174. https://doi.org/10.1016/j.watres.2005.09.040
Uncertainties of spectral in-situ measurements in wastewater using different calibration approaches
Rieger, L., Langergraber, G., & Siegrist, H. (2005). Uncertainties of spectral in-situ measurements in wastewater using different calibration approaches (pp. 639-649). Presented at the Nutrient Management in Wastewater Treatment Processes and Recycle Streams. IWA.
Auswirkungen von Sensor- und Stellgliedeigenschaften auf das Regelverhalten typischer Regelungen im abwassertechnischen Bereich
Alex, J., Rieger, L., & Winkler, S. (2004). Auswirkungen von Sensor- und Stellgliedeigenschaften auf das Regelverhalten typischer Regelungen im abwassertechnischen Bereich. Wiener Mitteilungen, 187, 425-444.
A guideline for simulation studies of wastewater treatment plants
Langergraber, G., Rieger, L., Winkler, S., Alex, J., Wiese, J., Owerdieck, C., … Maurer, M. (2004). A guideline for simulation studies of wastewater treatment plants. Water Science and Technology, 50(7), 131-138. https://doi.org/10.2166/wst.2004.0436
Computer-aided monitoring and operation of continuous measuring devices
Rieger, L., Thomann, M., Joss, A., Gujer, W., & Siegrist, H. (2004). Computer-aided monitoring and operation of continuous measuring devices. Water Science and Technology, 50(11), 31-39. https://doi.org/10.2166/wst.2004.0668
Qualitatskontrolle von Online-Messgeräten
Rieger, L., Böhler, M., Thomann, M., Gujer, W., & Siegrist, H. (2004). Qualitatskontrolle von Online-Messgeräten. Wiener Mitteilungen, 187, 279-294.
Ungenutzte Kapazitäten auf Kläranlagen. Effizienzsteigerung durch Mess-, Steuer- und Regelungstechnik
Rieger, L., & Siegrist, H. (2004). Ungenutzte Kapazitäten auf Kläranlagen. Effizienzsteigerung durch Mess-, Steuer- und Regelungstechnik. GWA Gas, Wasser, Abwasser, 84(7), 511-515.
Improvement of nitrogen removal at WWTP Zürich Werdhöelzli after connection of WWTP Zürich-Glatt
Siegrist, H., Rieger, L., Fux, C., & Wehrli, M. (2004). Improvement of nitrogen removal at WWTP Zürich Werdhöelzli after connection of WWTP Zürich-Glatt. Water Science and Technology, 50(7), 35-43. https://doi.org/10.2166/wst.2004.0410
Application of ion-sensitive sensors in water quality monitoring
Winkler, S., Rieger, L., Saracevic, E., Pressl, A., & Gruber, G. (2004). Application of ion-sensitive sensors in water quality monitoring. Water Science and Technology, 50(11), 105-114. https://doi.org/10.2166/wst.2004.0678
Progress in sensor technology - progress in process control? Part II: results from a simulation benchmark study
Alex, J., Rieger, L., Winkler, S., & Siegrist, H. (2003). Progress in sensor technology - progress in process control? Part II: results from a simulation benchmark study. Water Science and Technology, 47(2), 113-120. https://doi.org/10.2166/wst.2003.0098
Entwurf und Optimierung von MSR-Systemen mittels dynamischer Simulation - Sensormodelle
Rieger, L., Alex, J., Winkler, S., & Siegrist, H. (2003). Entwurf und Optimierung von MSR-Systemen mittels dynamischer Simulation - Sensormodelle. Presented at the Fachtagung Mess- und Regelungstechnik in abwassertechnischen Anlagen (VDI/VDE, ATV-DVKW, GMA). Wuppertal, Deutschland.
Praktische Erfahrungen mit Ionen-sensitiven Messsonden
Rieger, L., Siegrist, H., Winkler, S., & Pressl, A. (2003). Praktische Erfahrungen mit Ionen-sensitiven Messsonden. Presented at the Fachtagung Mess- und Regelungstechnik in abwassertechnischen Anlagen (VDI/VDE, ATV-DVKW, GMA). Wuppertal, Deutschland.
Progress in sensor technology - progress in process control? Part I: Sensor property investigation and classification
Rieger, L., Alex, J., Winkler, S., Boehler, M., Thomann, M., & Siegrist, H. (2003). Progress in sensor technology - progress in process control? Part I: Sensor property investigation and classification. Water Science and Technology, 47(2), 103-112. https://doi.org/10.2166/wst.2003.0096