1. Graduate Institute of Applied Science and Technology Advanced Membrane Materials Research Center National Taiwan University of Science and Technology Taipei 10607 Taiwan
2. Department of Chemical Engineering University of Arkansas Fayetteville AR 72701 USA
3. Department of Chemical and Materials Engineering and Pollution Prevention Group in Green Technology Research Center Chang Gung University Taoyuan 33302 Taiwan
4. R&D Center for Membrane Technology and Department of Chemical Engineering Chung Yuan University Chung Li 32023 Taiwan
5. Department of Civil Engineering National Kaohsiung University of Science and Technology Kaohsiung 80778 Taiwan