1. Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli District, Taoyuan 320, Taiwan R.O.C.
2. School of Chemical Engineering and Chemistry, Mapúa Institute of Technology, Mapúa University, Muralla St, Intramuros, Manila, 1002 Metro Manila, Philippines
3. Department of Chemical and Materials Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan ROC
4. Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia