1. Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
2. R&D Center for Membrane Technology, Chung Yuan Christian University, Chung-Li, Taiwan
3. Department of Chemical Engineering, Chung Yuan Christian University, Chung-Li, Taiwan
4. Department of Environmental Engineering, Chung Yuan Christian University, Chung-Li, Taiwan
5. Water Technology Research Division, Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan