1. Faculty of Science, Department of Chemistry Universiti Teknologi Malaysia Johor Bahru Malaysia
2. Advanced Membrane Technology Research Centre (AMTEC) Universiti Teknologi Malaysia Johor Bahru Malaysia
3. School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
4. Department of Chemical Engineering Jubail Industrial College Jubail Saudi Arabia
5. Chemistry Department King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia
6. Center for Environment and Water (CEW) in the Research Institute (RI) King Fahd University for Petroleum and Minerals (KFUPM) Dhahran Saudi Arabia