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H. Kroiss:
"Joint optimisation of sewer system and treatment plant control";
Keynote Lecture: NATO Advanced Research Workshop, Senec, Slovakia (invited); 2005-10-19 - 2005-10-23; in: "Integrated Urban Water Resources Management", P. Hlavinek, T. Kukharchyk, J. Marsalek, I. Mahrikova (ed.); Springer, NATO Security through Science Series - C: Environmental Security (2006), ISBN: 1-4020-4684-7; 231 - 244.

Large cities in most of the cases are equipped with combined sewer systems discharging to waste water treatment plants. This is also the case for the City of Vienna. This city has just extended its Main Treatment Plant and has equipped the sewer system with a control system, which will make optimal use of the existing storage capacity, which amounts to about 500.000 m3 . For the operation of the treatment plant the worst loading situation occurs at the beginning of wet weather conditions. A sophisticated control system influencing the gates in the large trunk sewers and the control system at the treatment plant are aiming at minimizing the pollution discharge to the different receiving rivers and to optimize the treatment plant performance. The basic concept of the control systems is described and first operational results from the extended Main Treatment Plant of Vienna are presented in the paper

http://dx.doi.org/10.1007/1-4020-4685-5_24