1. Hydraulic and Environmental Laboratory Modeling, National Engineering School of Tunis (ENIT), Postal Box 37, Le Belvédère, 1002 Tunis, Tunisia, Tel. , Tel.
2. Research and Development Department, National Office of Sanitation (ONAS), 32, Rue HédiNouira, Tunis 1001, Tunisia, Tel. , Tel.
3. Water Resources and Engineering Management, University of Stuttgart WAREM (Water Resources and Engineering Management), Pfaffenwaldring 7, 70569 Stuttgart, Germany, , Tel.
4. Wastewater Treatment Laboratory, Water Research and Technologies Centre, BP. 273, 8020 Soliman, Tunisia, Tel.