1. Dept. of Chemical and Environmental Engineering, Faculty of Engineering; The University of Nottingham, Jalan Broga; 43500 Semenyih Selangor Malaysia
2. Engineering & Processing Research Division; Malaysian Palm Oil Board; Selangor Malaysia
3. Dept. of Chemical and Environmental Engineering, Faculty of Engineering; Centre for Sustainable Palm Oil Research (CESPOR); The University of Nottingham; Jalan Broga 43500 Semenyih Selangor Malaysia
4. Dept. of Chemical Engineering; Chung-Yuan Christian University; Chung-Li Taiwan 320 R.O.C.