○SHOTA TAHATA¹, TAISUKE SAKAKIBARA² (1. DOWA ECO-SYSTEM CO.,LTD., 2. Japan Oil, Gas and Metals National Corporation)

Shuichi Hatae¹, Hiromichi Inada², Kenta Nakakado¹, Yudai Yokochi¹, ○Yu Kaneta¹ (1. Hibi kyodo smelting corporation, 2. Hibi smelting corporation)

○Kenta Ichiyoshi¹, Toshio Takase¹, Hiroyasu Kato¹, Toshihiro Hayanose¹, Hironobu Shimada¹, Sei Kitaguchi¹, Yuta Kurosawa¹, Seiji Kosumi¹, Hiroki Muraoka¹, Hironori Takano², Kiichiro Kuramitsu², Takashi Nakamura³, Tetsuo Oomura³, Ryoichi Sakomura³, Nozomu Haraguchi³, Shinichiro Shimamura⁴, Tsuyoshi Kikugawa⁴, Hidefumi Ishikawa⁴, Masahiro Egashira⁴ (1. Mitsubishi materials corporation, 2. West-Japan auto recycle co., ltd, 3. Fukuoka research commercialization center for recycling systems, 4. Nippon magnetic dressing co., ltd)