1. Faculty
of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri
Iskandar, 31750 Tronoh, Perak, Malaysia
2. Fundamental & Applied Sciences Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak, Malaysia
3. Chemical
Engineering Department, King Saud University, Riyadh 11421, Kingdom of Saudi Arabia