Affiliation: | (1) Clean Energy Research Department, Korea Institute of Energy Research, 71-2 Jang dong, Yusong ku, 305-343 Daejeon, Korea;(2) Dept. of Environmental Engineering, Suwon Science College, 445-742 Suwon, Korea;(3) Faculty of Architectural Design & Engineering, Dong-A University, 604-714 Busan, Korea;(4) Dept. of Chemical and Polymer Engineering, Hannam University, 306-791 Daejeon, Korea |