1. Research Center for Material Cycles and Waste Management, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan, School of Mechanical System Engineering, Environmental Energy Engineering Group, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2201, Japan, Kyoto City Office, Yanagihachiman-cho, Nakagyo-ku, Kyoto 604-8101, Japan, Environment Preservation Center, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan