1. Renewable Energy Program, Mechanical Engineering Department , Mutah University , 61710 Al Karak , Jordan .
2. Chemical Engineering Department , Mutah University , 61710 Al-Karak , Jordan .
3. Civil and Environmental Engineering Department , Mutah University , 61710 Al-Karak , Jordan .
4. Chemistry Department , Mutah University , 61710 Al-Karak , Jordan .
5. Department of Waste and Resource Management, Faculty of Agricultural and Environmental Sciences , University of Rostock , 18051 Rostock , Germany .