1. Energy and Environment Lab, Department of Chemical Engineering, Yonsei University, 134 Shinchon-Dong, Seodaemoon-Ku, Seoul, Korea, Woojo Envitech Company, Yeongdeungpo-Gu, Seoul, Korea, and Plant Engineering Centre, Institute of Advanced Engineering, 633-2, Goan-ri, Baegam-myeon,Yongin, Gyeonggi-do, Korea