1. University of Haute-Alsace CNRS, IS2M UMR 7361 F-68100 Mulhouse France
2. University of Strasbourg F-67081 Strasbourg France
3. Laboratory of Wastewaters and Environment Center for Water Research and Technologies CERTE BP 273 Soliman 8020 Tunisia
4. University of Carthage National Institute of Applied Sciences and Technology Tunis 1080 Tunisia
5. Aix Marseille University CNRS, ICR, UMR7273 F-13397 Marseille France
6. Lavoisier Institute of Versailles, UMR CNRS 8180 University of Paris Saclay University of Versailles St-Quentin en Yvelines 78035 Versailles Cedex France