1. Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610 Perak Darul Ridzuan, Malaysia
2. Research Centre for CO2 Capture (RCCO2C), Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610 Perak, Malaysia
3. PTTEP, Petronas Twin Towers, Kuala Lumpur, 50450 Salangor, Malaysia
4. Numit Enterprise, Seri Kembangan, 43300 Salongor, Malaysia