General Session

(General session) Mining and underground construction machineries / Resource based economy and social system / Mining technologies

Fri. Mar 14, 2025 1:00 PM - 4:40 PM Room-1 (Fl.3.,Build. 6. 631)

Chairperson: 才ノ木　敦士（熊本大学）、久保　大樹（京都大学）

(Presentation: 15 minutes allotted for lecture and 5 minutes for Q&A out of 20 minutes per presentation)

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1:00 PM - 1:20 PM

[3K0107-16-01] A Numerical Simulation of the Gas-Lift Production System of Shallow Type Methane Hydrate

○Yoshiyuki Shimizu^1,2, Masatoshi Sugihara², Keitaro Takamoto³, Hisatoshi Baba⁴ (1. ShimizuLab, Itasca JAPAN, 2. Former Tokai University, 3. Tokai University, Graduate School of Marine Science, 4. Tokai University)

Chairperson: 才ノ木　敦士（熊本大学）

1:20 PM - 1:40 PM

[3K0107-16-02] Air-Lift Pumping System for Deep Sea Mining of Rare-Earth Rich Mud and Polymetallic Nodules around Minamitorishima Island - Drag Coefficient of Polymetallic Nodules -

Yoshiyuki Shimizu^1,2,5, Masatoshi Sugihara², ○Keitaro Takamoto³, Hisatoshi Baba⁴, Tomohiro Morisawa⁶, Kentaro Nakamura^5,7, Koichiro Fujinaga^7,5, Yasuhiro Kato^5,7 (1. ShimizuLab, Itasca JAPAN, 2. Former Tokai University, 3. Tokai University, Graduate School of Marine Science, 4. Tokai University, 5. The University of Tokyo, 6. Toa Corporation, 7. Chiba Institute of Technology)

Chairperson: 才ノ木　敦士（熊本大学）

1:40 PM - 2:00 PM

[3K0107-16-03] Study on Degradation Rates of Photovoltaic Panels in Japan

○Tatsuya Kojima^{1[Student presentation: Master’s course]}, Ken Matsuoka¹, Shinsuke Murakami¹ (1. The University of Tokyo)

Chairperson: 才ノ木　敦士（熊本大学）

2:00 PM - 2:20 PM

[3K0107-16-04] An analysis of product lifetime of consumer appliances and consumer behavior based on bilateral comparisons

○Takaki Nanamatsu Kamura^{1[Student presentation: Master’s course]}, Shinsuke Murakami¹ (1. The University of Tokyo)

Chairperson: 才ノ木　敦士（熊本大学）

2:20 PM - 2:40 PM

[3K0107-16-05] Calculation of the TMR (total material requirement) involving all eEements with Resource-egde System Boundaries

○Kohmei はらだ HALADA¹ (1. Sustainable design institute)

Chairperson: 才ノ木　敦士（熊本大学）

Break (2:40 PM - 3:00 PM)

3:00 PM - 3:20 PM

[3K0107-16-06] Field Injection Trial to Fix CO₂ in Goaf in Abandoned Underground Coal Mine

○Akihiro Hamanaka Hamanaka¹, Ken-ichi Itakura², Gota Deguchi⁴, Jun-ichi Kodama³, Yukio Hama², Jihoon Kim², Takehiro Esaki^2,1, Takashi Sasaoka¹, Hideki Shimada¹ (1. Kyushu University, 2. Muroran Institute of Technology, 3. Hokkaido University, 4. Underground Resources Innovation Network)

Chairperson: 久保　大樹（京都大学）

3:20 PM - 3:40 PM

[3K0107-16-07] Distribution Estimation of Manganese Nodules Using Adversarial Generation Network

○ryosuke suzuki^{1[Student presentation: Master’s course]}, Hisatoshi Toriya¹, Kesuke Nishi², Akira Tune², Tuyoshi Adachi¹ (1. Akita University, 2. Deep Ocean Resources Development Co.,Ltd.)

Chairperson: 久保　大樹（京都大学）

3:40 PM - 4:00 PM

[3K0107-16-08] Identification of acidic alteration zones in high sulfidation-type epithermal gold deposits using hyperspectral imaging with machine learning

○Keisuke Nasuno^{1[Student presentation: Master’s course]}, Ryuya Sato², Tsubasa Otake³, Natsuo Okada¹, Yohei Kawamura³, Ryosuke Kikuchi³, Tsutomu Sato³ (1. Graduate School of Engineering, Hokkaido University, 2. JX Advanced Metals Corporation, 3. Faculty of Engineering, Hokkaido University)

Chairperson: 久保　大樹（京都大学）

4:00 PM - 4:20 PM

[3K0107-16-09] Significance of Mg-rich silicate minerals in sub-seafloor replacement ore deposits

○Akua Hoshi^{1[Student presentation: Master’s course]}, Tsubasa Otake², Ken Nakayama³, Daisuke Arioka⁴, Ryosuke Kikuchi², Tsutomu Sato² (1. Graduate School of Engineering, Hokkaido University, 2. Faculty of Engineering, Hokkaido University, 3. Center for Advanced Marine Core Research, Kochi University, 4. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST))

Chairperson: 久保　大樹（京都大学）

4:20 PM - 4:40 PM

[3K0107-16-10] Effect of dissolved ion on hydrogen generation during low temperature serpentinization

○Yasuhiro Nagashima^{1[Student presentation: Master’s course]}, Tsubasa Otake², Ryosuke Kikuchi², Yoko Ohtomo², Tsutomu Sato² (1. Graduate School of Engineering, Hokkaido University, 2. Faculty of Engineering, Hokkaido University)

Chairperson: 久保　大樹（京都大学）

Session information (2025/02/05 Ver.)

(General session) Mining and underground construction machineries / Resource based economy and social system / Mining technologies

[3K0107-16-01] A Numerical Simulation of the Gas-Lift Production System of Shallow Type Methane Hydrate

[3K0107-16-02] Air-Lift Pumping System for Deep Sea Mining of Rare-Earth Rich Mud and Polymetallic Nodules around Minamitorishima Island - Drag Coefficient of Polymetallic Nodules -

[3K0107-16-03] Study on Degradation Rates of Photovoltaic Panels in Japan

[3K0107-16-04] An analysis of product lifetime of consumer appliances and consumer behavior based on bilateral comparisons

[3K0107-16-05] Calculation of the TMR (total material requirement) involving all eEements with Resource-egde System Boundaries

[3K0107-16-06] Field Injection Trial to Fix CO₂ in Goaf in Abandoned Underground Coal Mine

[3K0107-16-07] Distribution Estimation of Manganese Nodules Using Adversarial Generation Network

[3K0107-16-08] Identification of acidic alteration zones in high sulfidation-type epithermal gold deposits using hyperspectral imaging with machine learning

[3K0107-16-09] Significance of Mg-rich silicate minerals in sub-seafloor replacement ore deposits

[3K0107-16-10] Effect of dissolved ion on hydrogen generation during low temperature serpentinization

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