1. Department of Basic Engineering Sciences, College of Engineering, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
2. Department of Environmental Engineering, College of Engineering, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
3. Department of Chemical Engineering, Mutah University, Karak, Jordan
4. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia