| 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 |
| 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 activated sludge ozonation
Boehler, M., & Siegrist, H. (2007). Potential of activated sludge ozonation. Water Science and Technology, 55(12), 181-187. https://doi.org/10.2166/wst.2007.407 |
| Ozonation reduces sludge production and improves denitrification
Dytczak, M. A., Londry, K. L., Siegrist, H., & Oleszkiewicz, J. A. (2007). Ozonation reduces sludge production and improves denitrification. Water Research, 41(3), 543-550. https://doi.org/10.1016/j.watres.2006.11.009 |
| Potential of activated sludge disintegration
Boehler, M., & Siegrist, H. (2005). Potential of activated sludge disintegration. Water Science and Technology, 53(12), 207-216. https://doi.org/10.2166/wst.2006.423 |
| Reducing sludge production and improving denitrification through ozonation
Dytczak, M., Londry, K. L., Siegrist, H., & Oleszkiewicz, J. A. (2005). Reducing sludge production and improving denitrification through ozonation (pp. 895-903). Presented at the Nutrient management in wastewater treatment processes and recycle streams. IWA. |
| Partial ozonation of activated sludge to reduce excess sludge, improve denitrification and control scumming and bulking
Böhler, M., & Siegrist, H. (2004). Partial ozonation of activated sludge to reduce excess sludge, improve denitrification and control scumming and bulking. Water Science and Technology, 49(10), 41-49. https://doi.org/10.2166/wst.2004.0604 |
| Nitrogen removal from sludge digester liquids by nitrification/denitrification or partial nitritation/anammox: environmental and economical considerations
Fux, C., & Siegrist, H. (2004). Nitrogen removal from sludge digester liquids by nitrification/denitrification or partial nitritation/anammox: environmental and economical considerations. Water Science and Technology, 50(10), 19-26. https://doi.org/10.2166/wst.2004.0599 |
| 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 |
| Nitrifikation, Denitrifikation und Energieeffizienz des Wirbelbettverfahrens in der kommunalen Abwasserreinigung
Maurer, M., Fux, C., & Siegrist, H. (2003). Nitrifikation, Denitrifikation und Energieeffizienz des Wirbelbettverfahrens in der kommunalen Abwasserreinigung. KA: Korrespondenz Abwasser Abfall, 50(9), 1142-1151. |
| Calibration and validation of an ASM3-based steady-state model for activated sludge systems—part I: prediction of nitrogen removal and sludge production
Koch, G., Kühni, M., & Siegrist, H. (2001). Calibration and validation of an ASM3-based steady-state model for activated sludge systems—part I: prediction of nitrogen removal and sludge production. Water Research, 35(9), 2235-2245. https://doi.org/10.1016/S0043-1354(00)00514-5 |
| Optimization of nutrient removal in the WWTP Zürich-Werhölzli
Siegrist, H., Brack, T., Koch, G., Nussbaumer, A., & Gujer, W. (2000). Optimization of nutrient removal in the WWTP Zürich-Werhölzli. Water Science and Technology, 41(9), 63-71. https://doi.org/10.2166/wst.2000.0171 |
| Potential of denitrification and solids removal in the rectangular clarifier
Koch, G., Pianta, R., Krebs, P., & Siegrist, H. (1999). Potential of denitrification and solids removal in the rectangular clarifier. Water Research, 33(2), 309-318. https://doi.org/10.1016/S0043-1354(98)00220-6 |
| Modelling denitrification in a moving bed of porous carriers from a low-loaded wastewater treatment plant
Maurer, M., Fux, C., Lange, D., & Siegrist, H. (1999). Modelling denitrification in a moving bed of porous carriers from a low-loaded wastewater treatment plant. Water Science and Technology, 39(7), 251-259. https://doi.org/10.1016/S0273-1223(99)00175-4 |
| Products from primary sludge fermentation and their suitability for nutrient removal
Moser-Engeler, R., Udert, K. M., Wild, D., & Siegrist, H. (1998). Products from primary sludge fermentation and their suitability for nutrient removal. Water Science and Technology, 38(1), 265-273. https://doi.org/10.1016/S0273-1223(98)00411-9 |
| Nitrogen loss in a nitrifying rotating contactor treating ammonium rich leachate without organic carbon
Siegrist, H., Reithaar, S., & Lais, P. (1998). Nitrogen loss in a nitrifying rotating contactor treating ammonium rich leachate without organic carbon. Water Science and Technology, 37(4-5), 589-591. https://doi.org/10.1016/S0273-1223(98)00164-4 |
| Nitrogen loss in a nitrifying rotating contactor treating ammonium-rich wastewater without organic carbon
Siegrist, H., Reithaar, S., Koch, G., & Lais, P. (1998). Nitrogen loss in a nitrifying rotating contactor treating ammonium-rich wastewater without organic carbon. Water Science and Technology, 38(8-9), 241-248. https://doi.org/10.1016/S0273-1223(98)00698-2 |
| Simultane Nitrifikation/Denitrifikation von stark ammoniumbelasteten Abwässern ohne organische Kohlenstoffquellen
Binswanger, S., Siegrist, H., & Lais, P. (1997). Simultane Nitrifikation/Denitrifikation von stark ammoniumbelasteten Abwässern ohne organische Kohlenstoffquellen. KA: Korrespondenz Abwasser, 44(9), 1573-1580. |
| Denitrification with methanol in tertiary filtration
Koch, G., & Siegrist, H. (1997). Denitrification with methanol in tertiary filtration. Water Research, 31(12), 3029-3038. https://doi.org/10.1016/S0043-1354(97)00174-7 |
| Denitrification with methanol in tertiary filtration at wastewater treatment plant Zürich-Werdhölzli
Koch, G., & Siegrist, H. (1997). Denitrification with methanol in tertiary filtration at wastewater treatment plant Zürich-Werdhölzli. Water Science and Technology, 36(1), 165-172. https://doi.org/10.1016/S0273-1223(97)00349-1 |