1. College of Engineering, Al-Qasim Green University, Al-Qasim Province 51001, Babylon, Iraq
2. Department of Engineering, German University of Technology in Oman, Halban, Oman
3. Green Intelligence Environmental School, Yangtze Normal University, Chongqing 408100, China
4. Department of Chemical Engineering and Petroleum Industries, Al-Mustaqbal University College, 51001 Hillah, Babylon, Iraq
5. School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, 14300 Nibong Tebal, Penang, Malaysia
6. Solid Waste Management Cluster, Science and Engineering Research Centre, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, 14300 Nibong Tebal, Penang, Malaysia