1. Gas Processing Centre College of Engineering Qatar University 2713 Doha Qatar
2. Chemical Engineering Programme Faculty of Engineering and Built Environment Universiti Kebangsaan Malaysia 43600 Bangi Selangor Darul Ehsan Malaysia
3. Centre for Sustainable Process Technology (CESPRO) Faculty of Engineering and Built Environment Universiti Kebangsaan 43600 Bangi Selangor Darul Ehsan Malaysia