1. School of Chemical
and Biological Engineering and Institute of Chemical Processes, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-744, Republic of Korea
2. Department
of Chemical Engineering, Kyonggi University, 94-6 Yiui-dong, Yeongtong-gu, Suwon, Gyeonggi-do 443-760, Republic of Korea