1. Department
of Chemical Engineering, College of Engineering, Kyung Hee University (KHU), 1732 Deogyeong-daero, Giheung, Youngin, Gyeonggi 17104, Republic of Korea
2. Department
of Chemical and Biological Engineering, Korea University, 145
Anam-ro, Seongbuk-gu, Seoul 136-713, Republic of Korea