Materials, Environment and Energy Laboratory (UR14ES26), Faculty of Sciences of Gafsa,
University of Gafsa, Gafsa 2112, Tunisia; hanadi.hleli@gmail.com (H.E.); mannai_faten@yahoo.com (F.M.);
mbenmosbah@yahoo.fr (M.b.M.)
Faculty of Sciences of Gafsa, University of Gafsa, Gafsa 2112, Tunisia