Affiliation: | 1. Department of Chemical and Biomolecular Engineering, Pusan National University, , Busan, 609‐735 Republic of Korea;2. Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University, , Daejeon, Republic of Korea;3. Research and Development Center, GS Caltex Corporation, , Daejeon, Republic of Korea;4. +82‐51‐510‐2395+82‐51‐515‐2716 |