1. Graduate
School of Advanced Engineering, Silla University, Busan 617-736, Republic of Korea
2. Department of Engineering in Energy & Applied Chemistry, Silla University, Busan 617-736, Republic of Korea
3. Hoseo University, 165 Sechul
Li, Baebang Myun, Asan, Chungnam 336-795, Republic of Korea
4. Department
of Chemical Engineering, Hoseo University, Asan-Si, Chungnam-Do 336-795, Republic of Korea