Schedule 7 12:00 PM - 12:15 PM [A1講演 3J07] Exergy evaluation in CO2 methanation under the presence of oxygen 〇Hiroshi Akama1, Tomiya Taniguchi1, Ryo Watanabe1, Khono Yoshiumi1, Fukuhara Choji1 (1. Shizuoka university)