1. Department of Environmental Engineering; Bldg. 113 DTU, DK-2800 Kgs. Lyngby; Denmark
2. Department of Informatics and Mathematical Modelling; Bldg. 305 DTU, DK-2800 Kgs. Lyngby; Denmark
3. Krüger, Veolia Water Solutions and Technologies; Gladsaxevej 363; DK-2860; Søborg; Denmark