1. Department of Biotechnology, Vanung University, Chung-Li 32061, Taiwan
2. R&D Center for Membr. Technol. and Department of Chemical Engineering, Chung Yuan University, Chung-Li 32023, Taiwan
3. Department of Chemical and Materials Engineering and Pollution Prevention Group in Green Technology Research Center, Chang Gung University, Kwei-shan, Taoyuan 333, Taiwan
4. Department of Chemical and Materials Engineering, Nanya Institute of Technology, Chung-Li 32034, Taiwan