Special session

(Special session) Approach for the development of seafloor mineral resources［Wed. Sep 13, 2023 AM Room-2］

＜現地＋オンラインのハイブリッド開催＞

Wed. Sep 13, 2023 9:00 AM - 11:45 AM (Room-2) EL44, 4F, Common Lecture Hall C

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

JOGMECは国からの委託を受けて海洋鉱物資源開発に取り組んでいる。本企画講演セッションでは、海洋鉱物資源開発に向けた最近の取り組みについて紹介する。

（発表：15分中、講演12分、質疑応答3分／1件）

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Opening Address (9:00 AM - 9:05 AM)

9:05 AM - 9:20 AM

[2201-09-01] State of the art international trends on the deep sea mining

○Nobuyuki Okamoto¹, Yumiko Arai² (1. Deep Ocean Resources Development Co., Ltd., 2. Japan Organization for Energy and Metals Security)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

9:20 AM - 9:35 AM

[2201-09-02] Exploration for seafloor massive sulfides and Co-rich ferromanganese crusts

○Hikari Hino¹, Gosuke Hoshino¹, Haruhisa Morozumi¹, Kunihito Yamamoto¹, Masayuki Motoori¹ (1. Japan Organization for Metals and Energy Security)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

9:35 AM - 9:50 AM

[2201-09-03] Comparison of mining methods for deep sea minerals

○Kiyotaka Orita¹, Seiya Kawano¹, Tatsuya Shinkawa¹, Satoshi Shiokawa¹, Akira Koizumi² (1. Japan Organization for Metals and Energy Security, 2. Deep Ocean Resources Development CO., LTD)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

9:50 AM - 10:05 AM

[2201-09-04] Conceptual Study of Mining and Lifting System for Seafloor Massive Sulfides

○Tatsuya Shinkawa¹, Seiya Kawano¹, Kiyotaka Orita¹, Saeko Nojiri¹, Masao Shimokawa², Joji Yamamoto³, Yuki Yano⁴, Toshiharu Tashiro⁵, Tomoyuki Ogishima⁶, Hideaki Asai⁷ (1. Japan Organization for Metals and Energy Security, 2. Mitsubishi Shipbuilding Co.,Ltd., 3. National Maritime Research Institute, 4. Shimizu Corporation, 5. Sumiko Resources Exploration & Development Co.,Ltd. , 6. Nippon Steel Engineering Co., Ltd., 7. Mitsubishi Heavy Industries, Ltd.)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

10:05 AM - 10:20 AM

[2201-09-05] The result of the seabed mud lifting performance test by the SIP rare-earth mud mining system

○Eigo Miyazaki¹, Yoshihisa Kawamura¹, Ikuo Sawada¹, Masanori Kyo¹, Keita Akiyama¹ (1. JAMSTEC)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

Break (10:20 AM - 10:30 AM)

10:30 AM - 10:45 AM

[2201-09-06] Quantification of the amount of suspended particles from excavation using AI technology and its application to environmental impact assessment

○Naoki Saito¹, Jumpei Minatoya², Akira Iguchi¹, Masayuki Nagao¹, Travis Washburn¹, Atsushi Suzuki¹ (1. National Institute of Advanced Industrial Science and Technology, 2. Japan Organization for Metals and Energy Security)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

10:45 AM - 11:00 AM

[2201-09-07] Development of numerical model for environmental impact assessment on seafloor massive sulfides mining

○Akiyuki Ishida¹, Yuuya Yamamoto², Tomomi Eriguchi³, Yumi Komatsubara³ (1. Japan Organization for Metals and Energy Security, 2. KANSO TECHNOS CO., LTD., 3. SCIENCE AND TECHNOLOGY CO., LTD.)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

11:00 AM - 11:15 AM

[2201-09-08] Smelting and refining test of cobalt-rich ferromanganese crusts by “smelting and sulfurizing-chlorine leaching method”

○Junichi Takahashi¹, Tatsuru Takahashi² (1. Sumitomo Metal Mining CO. Ltd.,, 2. Japan Organization for Metals and Energy Security)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

11:15 AM - 11:30 AM

[2201-09-09] Investigation of conditions for copper up-grading and zinc supression in flotation of hydrothermal deposits (complex sulfide ores)

○Kazutoshi Haga¹, Jeon Sanghee¹, Labone Godirilwe¹, Tatsuru Takahashi², Yoshiyuki Tanaka², Kenji Hayashi³, Hiromi Sonta³, Naoyuki Doi³, Hiroyuki Nakado⁴ (1. Akita University, 2. JOGMEC, 3. Geo technos Co. Ltd., 4. HRS Co. Ltd.)

Chairperson: Saeko Nojiri (Japan Organization for Metals and Energy Security)

Review and Closing Address (11:30 AM - 11:45 AM)

Session information (2023/08/10 Ver.)

(Special session) Approach for the development of seafloor mineral resources［Wed. Sep 13, 2023 AM Room-2］

＜現地＋オンラインのハイブリッド開催＞

[2201-09-01] State of the art international trends on the deep sea mining

[2201-09-02] Exploration for seafloor massive sulfides and Co-rich ferromanganese crusts

[2201-09-03] Comparison of mining methods for deep sea minerals

[2201-09-04] Conceptual Study of Mining and Lifting System for Seafloor Massive Sulfides

[2201-09-05] The result of the seabed mud lifting performance test by the SIP rare-earth mud mining system

[2201-09-06] Quantification of the amount of suspended particles from excavation using AI technology and its application to environmental impact assessment

[2201-09-07] Development of numerical model for environmental impact assessment on seafloor massive sulfides mining

[2201-09-08] Smelting and refining test of cobalt-rich ferromanganese crusts by “smelting and sulfurizing-chlorine leaching method”

[2201-09-09] Investigation of conditions for copper up-grading and zinc supression in flotation of hydrothermal deposits (complex sulfide ores)

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