1. Department of Agricultural Engineering Ladoke Akintola University of Technology Nigeria
2. Department of Chemical Engineering Ladoke Akintola University of Technology Nigeria
3. Department of Mechanical and Industrial Engineering Technology University of Johannesburg South Africa
4. Department of Mechanical Engineering Universiti Teknologi PETRONAS 32610 Bandar Seri Iskandar Perak Darul Ridzuan Malaysia
5. Centre for Technology in Water and Wastewater (CTWW), School of Civil and Environmental Engineering, Faculty of Engineering and IT University of Technology Sydney, Ultimo, 2007, NSW Australia