MMIJ 2025, Sapporo
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Session Details

General Session

(General session) High-temperature materials processing

Thu. Sep 4, 2025 1:00 PM - 3:10 PM JST
Thu. Sep 4, 2025 4:00 AM - 6:10 AM UTC
Room-5 (B12, 1Fl, B1 Block)
Chairperson: 大石 哲雄（産業技術総合研究所）、松浦 宏行（東京大学）

●高温素材プロセッシング：乾式製錬，リサイクル，高温における新素材の製造に関する反応，高温溶融塩電解などについて、その熱力学・速度論などの学問的議論を行う。

(Presentation: 12 minutes allotted for lecture and 8 minutes for Q&A out of 20 minutes per presentation)
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[3508-13-01]Hydrogen Reduction Mechanism of Limonite Ore for Carbon Neutrality of Ferronickel Smelting Process

○Yuki Hayashi1[Student presentation: Master’s course], Taichi Murakami1, Yu Yamashita2, Junichi Takahashi2 (1. Tohoku University, 2. Sumitomo Metal Mining Co., Ltd.)
司会：大石 哲雄（産業技術総合研究所）
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[3508-13-02]Evaluation of chalcopyrite ignition and combustion in a reaction area heated by thermal radiation under different temperature conditions

○Nobuyasu Nishioka1, Mihiro Kawasaki1,2, Uno Kyosuke1, Hiromichi Takebe1 (1. Ehime University, 2. JX Advanced Metals Corporation)
司会：大石 哲雄（産業技術総合研究所）
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[3508-13-03]Hybrid silicon production process using carbon thermal reduction and hydrogen/hydrogen radical reduction for decarbonization

○Kenji Itaka1, Yousuke Baba1, Kyouichi Nakamura1, Masatomo Sumiya2 (1. Hirosaki Univeristy, 2. National Institute for Materials Science)
司会：大石 哲雄（産業技術総合研究所）
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[3508-13-4add]Break

2:10 PM - 2:30 PM JST(5:10 AM - 5:30 AM UTC)

[3508-13-04]High temperature solvent extraction of neodymium from neodymium magnets using bismuth and aluminum

○Keiji Okumura1, Masaki Yamaguchi1 (1. Nagoya Institute of Technology)
司会：松浦 宏行（東京大学）
2:30 PM - 2:50 PM JST(5:30 AM - 5:50 AM UTC)

[3508-13-05]Novel recovery process for Tb using molten salt electrolysis, liquid metal extraction and vacuum distillation

○Tetsuo Oishi1, Takashi Murata2, Miki Yaguchi1 (1. AIST, 2. Waseda University)
司会：松浦 宏行（東京大学）
2:50 PM - 3:10 PM JST(5:50 AM - 6:10 AM UTC)

[3508-13-06]Removal of Impurity Elements from ADC12 Alloy Using Molten Tin

○Satoshi Iwasawa1,2, Kengo Kato1, Hideki Ono1 (1. Toyama University, 2. Sankyo Tateyama, Inc.)
司会：松浦 宏行（東京大学）
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