1. Department
of Chemical and Environmental, Engineering School of Engineering and
Applied Science, Yale University, New Haven, Connecticut 06511, United States
2. School
of Civil and Environmental Engineering, Pusan National University, Busan 609-735, Republic Korea
3. Green Process and Materials R&D Group, Korea Institute of Industrial Technology (KITECH), 89 Yangdaegiro-gil, Ipjang-myeon, Cheonan, 331-825 Chungnam Korea