1. Department of Chemical Engineering; King Fahd University of Petroleum & Minerals; Dhahran KSA
2. University of Carthage, National Institute of Applied Sciences and Technology, Département Génie Physique et Instrumentation, Laboratoire Matériaux; Mesures et Applications (LR 11 ES 25); Tunis Tunisia
3. Département de Génie Energétique (Energy Engineering Department), Ecole Nationale d'Ingénieurs de Monastir-ENIM; University of Monastir; Monastir Tunisia