MMIJ 2025, Sapporo
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Session Details

Special session

(Theme session) Forefront of metal resource circulation science and technology developments by next-generation leaders in industry, academia, and government (On-site + online event)

Wed. Sep 3, 2025 8:50 AM - 12:00 PM JST
Wed. Sep 3, 2025 11:50 PM - 3:00 AM UTC
Room-4 (B11, 1Fl, B1 Block)
Chairperson: 淵田 茂司（東京海洋大学）、髙谷 雄太郎（東京大学）

●サーキュラーエコノミー実現のためには，使用済み製品のリサイクルや適正処理のみならず，低品位化・難処理化する鉱石処理との最適なハイブリッドな資源処理など，一次資源・二次資源を問わず，また有用元素・有害元素問わず，多種多様な省エネルギー型の分離技術開発が必要となる。本企画セッションでは，産学官とそれぞれ異なる立場に属する若手研究者が，廃水処理技術，鉱物処理技術，都市鉱山開発技術やそれに関する国内外の現状について講演する。

(Presentation: 15 minutes allotted for lecture and 5 minutes for Q&A out of 20 minutes per presentation)
8:50 AM - 9:10 AM JST(11:50 PM - 12:10 AM UTC)

[2401-09-01]Novel approach using protein engineering for metal recovery: potential and challenges in resource engineering

○Kazunori Nakashima1 (1. Hokkaido University)
司会：淵田 茂司（東京海洋大学）
9:10 AM - 9:30 AM JST(12:10 AM - 12:30 AM UTC)

[2401-09-02]Evaluation of intermolecular interactions in palladium complexes toward developments for efficient precipitation agents

○Tomoya Suzuki1, Kanta Gondo2, Takeshi Kawasaki3, Hideaki Shiwaku5, Masashi Kaneko4, Fumiyuki Ito1, Takeshi Ogata1, Tohru Kobayashi5, Norihiro Murayama2, Tsuyoshi Yaita5, Hirokazu Narita1 (1. National Institute of Advanced Industrial Science and Technology, 2. Kansai University, 3. Toho University, 4. The University of Osaka, 5. Japan Atomic Energy Agency)
司会：淵田 茂司（東京海洋大学）
9:30 AM - 9:50 AM JST(12:30 AM - 12:50 AM UTC)

[2401-09-03]Development of Advanced Processing Techniques for Small Electronic Appliance Waste and Recovery of Critical Metals from Treatment Residues

○Yutaro Takaya1 (1. The University of Tokyo)
司会：淵田 茂司（東京海洋大学）
9:50 AM - 10:10 AM JST(12:50 AM - 1:10 AM UTC)

[2401-09-04]Efforts for LIB recycling in MATSUDA SANGYO

○Kosuke Ogita1[Student presentation: Doctoral course] (1. MATSUDA SANGYO Co., Ltd.)
司会：淵田 茂司（東京海洋大学）
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[2401-09-5add]Break

10:20 AM - 10:40 AM JST(1:20 AM - 1:40 AM UTC)

[2401-09-05]Toward the Advancement of Metal Resource Circulation Technology Using Flotation: Process Improvement in Mineral Processing and Application Prospects in Urban Mining

○Kosei Aikawa1 (1. National Institute of Advanced Industrial Science and Technology (AIST))
司会：髙谷 雄太郎（東京大学）
10:40 AM - 11:00 AM JST(1:40 AM - 2:00 AM UTC)

[2401-09-06]Development of Sustainable Flotation Process in Kyushu University

○Gde Pandhe Wisnu Suyantara1, Hajime Miki1, Hirajima Tsuyoshi1 (1. Department of Earth Resources Engineering, Kyushu University)
司会：髙谷 雄太郎（東京大学）
11:00 AM - 11:20 AM JST(2:00 AM - 2:20 AM UTC)

[2401-09-07]Flotation in seawater of Cu-ore (pyrite depression) using marine iron-oxidizing bacteria

○Shigeshi Fuchida1, Keishi Oyama2, Hiroko Makita1 (1. Tokyo University of Marine Science and Technology, 2. Kyushu University)
司会：髙谷 雄太郎（東京大学）
11:20 AM - 11:40 AM JST(2:20 AM - 2:40 AM UTC)

[2401-09-08]Metal resource technology research and development and support by JOGMEC

○KAZUYA SUNADA1 (1. Japan Organization for Metals and Energy Security (JOGMEC))
司会：髙谷 雄太郎（東京大学）
11:40 AM - 12:00 PM JST(2:40 AM - 3:00 AM UTC)

[2401-09-09]Situation and Response Regarding the Supply Chain of Critical Minerals

○Yohei KAWASAKI1 (1. Ministry of Economy, Trade and Industry)
司会：髙谷 雄太郎（東京大学）
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