1. Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610 Perak, Malaysia
2. Research Centre for CO2 Capture (RCCO2C), Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610 Perak, Malaysia
3. Petroleum Engineering Department, College of Energy Technologies, Jikharrah, Libya
4. PETRONAS Research Sdn Bhd, Kawasan Institusi Bangi, Lot 3288 3289 Off Jalan Ayer Itam, Kajang 43000 Selangor, Malaysia