[1] Department of Forestry, National Chung Hsing University, Taichung 402, Taiwan
[2] Department of Safety, Health and Environmental Engineering, National United University, Miao-Li 360, Taiwan
[3] Department of Soil and Environmental Sciences, National Chung Hsing University, Taichung 402, Taiwan
[4] Department of Chemical Engineering, National United University, Miao-Li 360, Taiwan
[5] Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li 32003, Taiwan