1. Department of Environmental Engineering and Science, National Pingtung University of Science and Technology, Nei Pu, PingTung 91201, Taiwan
2. Department of Food Science and Nutrition, Meiho Institute of Technology, Nei Pu, Pingtung 91202, Taiwan
3. Department of Chemical Engineering, Cheng Shiu University, Kaohsiung 833, Taiwan
4. Institute of Environmental Planning and Management, National Taipei University of Technology, Da An 106, Taipei, Taiwan