Rchr
J-GLOBAL ID：202101005137165916
Update date: Dec. 03, 2024
Oyama Keishi
オヤマ ケイシ | Oyama Keishi
Research field (4)：
Other
, Environmental impact assessment
, Environmental materials/recycling technology
, Environmental load reduction/restoration technology
Research keywords (4)：
Biomineralozation
, Mining waste water treatment, Heavy metal removal
, Mineral Processing
, Bioleaching
Research theme for competitive and other funds (3)：
- 2023 - 2026 『生物鉱学の創成』の総括・連携促進
- 2023 - 2026 海洋性硫黄代謝微生物を用いた海水利用鉱物処理プロセスの構築
- 2022 - 2024 資源素材学会 長期テーマプロジェクト
Papers (26)：
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Yusuf Olalekan Zubair, Shigeshi Fuchida, Keishi Oyama, Chiharu Tokoro. Morphologically controlled synthesis of MgFe-LDH using MgO and succinic acid for enhanced arsenic adsorption: Kinetics, equilibrium, and mechanism studies. Journal of Environmental Sciences. 2025. 148. 637-649
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Takuya Tatsumoto, Yutaro Takaya, Yuki Tsunazawa, Taketoshi Koita, Keishi Oyama, Chiharu Tokoro. Validation of DEM simulations for a drum-type agitation mill using particle velocities measured by 3D PTV. Advanced Powder Technology. 2024. 35. 12. 104693-104693
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Yuma Shimizu, Hiroko Makita, Keishi Oyama, Hibiki Miura, Chiharu Tokoro, Shigeshi Fuchida. Suitable cultivating conditions of marine Fe-oxidizing bacteria for pyrite depression in seawater flotation system. The proceedings of the 63rd Annual Conference of Metallurgists. 2024. 1041-1045
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Shigeshi Fuchida, Keishi Oyama, Jifeng Xue, Chiharu Tokoro, Yuma Shimizu, Hibiki Miura, Kokoro Kitagawa, Hiroko Makita. Mechanism of pyrite depression by marine Fe(II)-oxidizing bacteria in seawater flotation. Minerals Engineering. 2024. 218. 109029-109029
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Yuhong Huang, Xiaopeng Zhao, Xinhao Wang, Bin Gao, Keishi Oyama, Chiharu Tokoro, Dongmei Zhou, Xueyuan Gu. Insights on the Contradiction between the Affinity and Capacity of Ferrihydrite toward As(III) and As(V): Surface Reaction Revisited. Environmental science & technology. 2024
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MISC (6)：
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Technical Development of Arsenic Reduction from Copper Resources by Kyushu University and Sumitomo Metal Mining Co. Ltd. 環境資源工学 = Resources processing : 資源処理技術. 2022. 68. 3. 124-131
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林海人, 小山恵史, 忰山卓也, 青木悠二, 平島剛, 笹木圭子, 沖部奈緒子. Study on activated carbon-assisted bioleaching of arsenic-containing primary copper sulfide concentrates. 資源・素材学会春季大会(Web). 2021. 2021
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林海人, 小山恵史, 青木悠二, 黒岩樹人, 平島剛, 笹木圭子, 三木一, 沖部奈緒子. 難処理性一次硫化銅鉱のバイオリーチングにおける活性炭添加の影響. 資源・素材学会春季大会(Web). 2020. 2020
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小山恵史, 高松恭平, 青木悠二, 黒岩樹人, 平島剛, 笹木圭子, 三木一, 沖部奈緒子. Carbon-assisted bioleaching of refractory primary copper sulfides and its mechanism. 資源・素材学会春季大会(Web). 2020. 2020
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高松恭平, 小山恵史, 三木一, 笹木圭子, 沖部奈緒子. 黄銅鉱バイオリーチングにおける炭素材料触媒機構の解明. 資源・素材学会春季大会(Web). 2019. 2019
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Patents (2)：
Lectures and oral presentations (40)：
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Effect of pressure of shock wave induced by wire explosion on particle size distribution of powdered wire in air
(The 34th International Symposium on Shock Waves 2023)
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Application of pulsed discharge to recycling laminated CFRP by the separation and recovery of carbon fiber
(IEEE Pulsed Power Conference 2023 2023)
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Recovery of Ni by sulfidation from spent catalyst and influence of coexisted chelate agent on the precipitate and its surface structure
(11th World Congress of Chemical Engineering 2023)
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Study on the kinetic mechanism of manganese precipitation via hypochlorite oxidation in acidic environments
(11th World Congress of Chemical Engineering 2023)
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Ni触媒廃液からの硫化物法によるNi回収プロセスと沈殿物の表面特性
(粉体工学会 2022年度 秋期研究発表会 2022)
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Education (2)：
- 2015 - 2020 Kyushu University
- 2011 - 2015 Kyushu University School of Engineering
Work history (6)：
Committee career (1)：
- 2024/07 - 現在 環境資源工学会 編集委員
Awards (4)：
- 2022/11 - Best Oral Presentation Award Evaluation of the long-term chemical stability of adsorbed Hg on pyrite surfaces under various redox and pH conditions
- 2018/09 - The Mining and Materials Processing Institute of Japan Young Researcher Poster Award
- 2015/12 - The Mining and Materials Processing Institute of Japan Kyushu Blanch Meeting Presentation Award
- 2015/06 - International Symposium on Earth Science and Technology Best Presentation
Association Membership(s) (3)：
環境資源工学会
, 日本農芸化学会
, The Mining and Materials Processing Institute of Japan
