1. Department of Chemical Engineering, Feng Chia University, Taichung, Taiwan, BioHydrogen Laboratory, Department of Environmental Engineering and Science, Feng Chia University, Taiwan, Department of Safety Health and Environmental Engineering, Central Taiwan University of Science and Technology, Taichung, Taiwan, Department of Environmental Engineering, National Chung Hsing University, Taichung, Taiwan, and Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan