論文 - 淵田　茂司

Morphologically controlled synthesis of MgFe-LDH using MgO and succinic acid for enhanced arsenic adsorption: Kinetics, equilibrium, and mechanism studies

Yusuf Olalekan Zubair, Shigeshi Fuchida, Keishi Oyama, Chiharu Tokoro , 2025年02月

Journal of Environmental Sciences , 148 , 637 - 649

DOI

Suitable cultivating conditions of marine Fe-oxidizing bacteria for pyrite depression in seawater flotation system

Yuma Shimizu, Hiroko Makita, Keishi Oyama, Hibiki Miura, Chiharu Tokoro, Shigeshi Fuchida , 2024年11月

The proceedings of the 63rd Annual Conference of Metallurgists , 1041 - 1045

DOI

Mechanism of pyrite depression by marine Fe(II)-oxidizing bacteria in seawater flotation

Shigeshi Fuchida, Keishi Oyama, Jifeng Xue, Chiharu Tokoro, Yuma Shimizu, Hibiki Miura, Kokoro Kitagawa, Hiroko Maki , 2024年09月

Minerals Engineering , 218 , 102029

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Insights on the Mechanism of Manganese Oxide Precipitation from Mn ²⁺ Solutions Using NaClO Under Highly Acidic Conditions, via Experimental Observations and Numerical Fitting of the Kinetic ODE System

Mauricio Córdova-Udaeta, Bowen Cheng, Shigeshi Fuchida, Yutaro Takaya, Keishi Oyama, Chiharu Tokoro , 2024年06月

Journal of Chemical Engineering of Japan , 57 (1) , 2366409

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Biological Mn(II) oxidation under organic substrate-limited conditions and its application in mine drainage remediation

Naoyuki Miyata, Reina Suganuma, Kimihito Sunouchi, Kunihiro Okano, Shigeshi Fuchida, Miho Watanabe, Megumu Fujibayashi, Yuya Sato, Chiharu Tokoro , 2024年03月

Biochemical Engineering Journal , 203 , 109187 - 109187

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Chemical stability of Hg-adsorbed pyrite under different pH and redox conditions: A fundamental study for stable management of Hg-bearing wastes

Keishi Oyama, Shun Ishii, Shigeshi Fuchida, Chiharu Tokoro , 2024年01月

Journal of Environmental Chemical Engineering , 12 (2) , 112053

DOI

Improving Flotation Separation of Mg(OH)2-Depressed Chalcopyrite and Pyrite by EDTA Modification: A Promising Method for Sustainable Cu Production

Jifeng Xue, Keishi Oyama, Shigeshi Fuchida, Chiharu Tokoro , 2023年10月

Journal of Sustainable Metallurgy , 9 , 1647 - 1659

DOI

酸性触媒廃液からの硫化物法によるNi回収プロセスと硫化沈殿物の化学特性【受理】

岩井 久典, 石井 駿, 小山 恵史, 淵田 茂司, 横田 尚樹, 高橋 優子, 所 千晴 , 2023年10月

粉体工学会 , 60 (10) , 600 - 606

DOI

Geochemical Modeling of Heavy Metal Removal from Acid Mine Drainage in an Ethanol-Supplemented Sulfate-Reducing Column Test

Keishi Oyama, Kentaro Hayashi, Yusei Masaki, Takaya Hamai, Shigeshi Fuchida, Yutaro Takaya, Chiharu Tokoro , 2023年01月

Materials , 16 (3) , 92 - 928

DOI

Adsorption and Microscopic Analysis of Arsenate Uptake by Magnetic Fe Nanoparticles: a Detailed Study on Coexisting Anions Effects

Yusuf O. Zubair, Shigeshi Fuchida, Chiharu Tokoro , 2022年12月

Water, Air, & Soil Pollution , 233 (12) , 484

DOI

δ-MnO2吸着剤およびNaClO酸化剤を用いた高濃度Mn・Znを含む酸性坑廃水の最適処理方法の検討

淵田茂司, 田嶋翔太, 所千晴 , 2022年11月

Journal of MMIJ , 138 (11) , 160 - 169

DOI

Synthesis and selenate removal of magnesium–aluminum-layered double hydroxide particle using magnesium oxide

Kosuke Tsuchiya, Shisgeshi Fuchida, Chiharu Tokoro , 2022年11月

International Journal of Environmental Science and Technology , 20 (1) , 9481 - 9494

DOI

Preliminary study on adsorptive performance of organic acid-functionalized Mg-Fe LDHs for arsenic removal from contaminated water

Yusuf O. Zubair, Mauricio Córdova-Udaeta, Shigeshi Fuchida, Chiharu Tokoro , 2022年11月

The proceedings of the COPPER 2022 Conference , 9 , 77 - 86

Metal removal simulation from acid mine drainage by a subsurface limestone bed for 13 mine sites in Japan using geochemical models including surface complexation reaction

Fuchida Shigeshi, Yutaro Takaya, Chiharu Tokoro , 2022年11月

The proceedings of the COPPER 2022 Conference , 9 , 34 - 44

Propidium Iodide Staining and Flow Cytometry-Based Assessment of Heavy Metal Impact on Marine Phytoplankton

Shuhei Ota, Shigeshi Fuchida, Haruyo Yamaguchi, Takahiro Yamagishi, Hiroshi Yamamoto, Hiroshi Koshikawa, Masanobu Kawachi , 2022年06月

CYTOLOGIA , 87 (2) , 177 - 187

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Kinetic Investigation of Initial Oxidative Dissolution of Pyrite in Alkaline Media (pH 9–12) and Influence of Ca and Mg: A Fundamental Study for Pyrite Depression in Froth Flotation

Shigeshi Fuchida, Jifeng Xue, Sana Ishida, Chiharu Tokoro , 2022年04月

Journal of Sustainable Metallurgy , 8 , 732 - 741

DOI

開放型石灰路－アルカリ路による酸性坑廃水の処理予測とパッシブトリートメント導入に向けた示唆

髙谷 雄太郎, 淵田 茂司, 濱井 昂弥, 堀内 健吾, 正木 悠聖, 所 千晴 , 2022年02月

Journal of MMIJ , 138 (2) , 19 - 27

DOI

Coprecipitation mechanisms of Zn by birnessite formation and its mineralogy under neutral pH conditions

Shota Tajima, Shigeshi Fuchida, Chiharu Tokoro , 2022年02月

Journal of Environmental Sciences , 121 , 136 - 147

DOI

Insight on Exogenous Calcium/Magnesium in Weakening Pyrite Floatability with Prolonged Pre-Oxidation: Localized and Concomitant Secondary Minerals and Their Depression Characteristics

Jifeng Xue, Shigeshi Fuchida, Sana Ishida, Chiharu Tokoro , 2022年01月

Minerals , 12 (2) , 115 - 115

DOI

Kinetic Modeling and Mechanisms of Manganese Removal from Alkaline Mine Water Using a Pilot Scale Column Reactor

Shigeshi Fuchida, Shota Tajima, Takuro Nishimura, Chiharu Tokoro , 2022年01月

Minerals , 12 (1) , 99 - 99

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