Keishi Oyama ,Shun Ishii ,Shigeshi Fuchida ,Chiharu Tokoro.
"Chemical stability of Hg-adsorbed pyrite under different pH and redox conditions: A fundamental study for stable management of Hg-bearing wastes",  
Journal of Environmental Chemical Engineering.2024,Vol.12,No.2,112053, pp.1-10.
DOI: 10.1016/j.jece.2024.112053
URL: https://doi.org/10.1016/j.jece.2024.112053

Yutaro Takaya, Yuto Imaizumi, Taketoshi Koita, Cordova Udaeta Edwin Mauricio, and Chiharu Tokoro.
”Effect of electric pulse treatment on silver recovery from spent solar panel sheet by acid-leaching”
Journal of Material Cycles and Waste Management，2024【受理】

Naoyuki Miyata, Reina Suganuma, Kimihito Sunouchi, Kunihiro Okano, Shigeshi Fuchida, Miho Watanabe, Megumu Fujibayashi, Yuya Sato, Chiharu Tokoro.
"Biological Mn (II) oxidation under organic substrate-limited conditions and its application in mine drainage remediation"
Biochemical Engineering Journal, 2024, Vol203, 109187.
DOI:10.1016/j.bej.2023.109187
https://doi.org/10.1016/j.bej.2023.109187

Yuto Imaizumi, Soowon Lim, Takatoshi Koita, Kazuhiro Mochidzuki,  Yutaro Takaya, Takao Namihira, Chiharu Tokoro.
"Silver Recovery from Spent Photovoltaic Panel Sheets Using Electrical Wire Explosion"
EcoDesign for Sustainable Products, Services and Social Systems I. 2024, pp.365–380.
DOI:10.1007/978-981-99-3818-6_25
URL:https://doi.org/10.1007/978-981-99-3818-6_25

Yusuke Furukori­, Keishi Oyama, Shigeshi Fuchida, Chiharu Tokoro.
”Geochemical evaluation of manganese neutralization sludge for Mn-containing mine drainage treatment”
Water, Air, & Soil Pollution. 2024, Vol.345, No.223, pp.1-11.
DOI: 10.1007/s11270-024-07031-6
URL: https://doi.org/10.1007/s11270-024-07031-6

小山恵史，石井駿，岩井久典，淵田茂司，横田尚樹，高橋優子，所千晴
”硫化物法を用いた触媒廃液からのニッケル回収における最適条件の探求”
環境資源工学，2024，71巻，1号【受理】

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,Vol.148,pp637-649.
DOI: 10.1016/j.jes.2024.01.049
https://doi.org/10.1016/j.jes.2024.01.049

Ryuto Kamo, Yuki Tsunazawa, Taketoshi Koita, Kyoko Okuyama, Motonori Iwamoto, Yasuyoshi Sekine, Chiharu Tokoro.
"Evaluating the grinding performance of cutter-type disk mills using DEM-CFD simulations with a breakage model",  
Advanced Powder Technology. 2023, Vol.35, No.1, 104303.
DOI: 10.1016/j.apt.2023.104303
URL: https://doi.org/10.1016/j.apt.2023.104303

泉 健人, 高谷 雄太郎, 所 千晴.
”空気分級における比重選別の影響を考慮した分級評価方法―太陽光パネルセルシートを例とした考察―”
化学工学論文集. 2024, Vol.50, No.1, pp.9-16.
DOI: 10.1252/kakoronbunshu.50.9
URL: https://www.jstage.jst.go.jp/article/kakoronbunshu/50/1/50_23wh022/_pdf

Taketoshi Koita, Yoshiki Egawa, Yutaro Takaya, Keishi Oyama, Soowon Lim, Takao Namihira, Chiharu Tokoro.
"Comparison of size distributions of recovered particles generated from Ag wire in air by pulsed wire discharge and electric explosion of wire methods"
Advanced Powder Technology. 2023, Vol34, No.11, 104227, pp.1-14.
DOI:10.1016/j.apt.2023.104227
URL:https://doi.org/10.1016/j.apt.2023.104227

Juan Qin, Yeting Fang, Jian Shi, Chiharu Tokoro, Mauricio Córdova-Udaeta, Keishi Oyama, Juncheng Zhang.
"Waste-Based Ceramsite for the Efficient Removal of Ciprofloxacin in Aqueous Solutions"
International journal of environmental research and public health, 2023, Vol20, No.6, 5042.
DOI:10.3390/ijerph20065042
https://doi.org/10.3390/ijerph20065042

辰本 拓也, 綱澤 有輝, 小板 丈敏, 高谷 雄太郎, 小山 恵史, 所 千晴.
”衝撃試験とDEMシミュレーションによる電子スクラップの単体分離機構の考察”
Journal of MMIJ. 2023. Vol.139, No.11, pp.52-62.
DOI: 10.2473/journalofmmij.139.52
URL: https://doi.org/10.2473/journalofmmij.139.52

Jifeng Xue, Keishi Oyama, Shigeshi Fuchida, Chiharu Tokoro.
"Improving flotation separation of Mg(OH)2-depressed chalcopyrite and pyrite by EDTA modification: a promising method for sustainable Cu production",  Journal of Sustainable Metallurgy. 2023, Vol.9, pp.1647-1659
DOI:10.1007/s40831-023-00754-6 
URL:https://doi.org/10.1007/s40831-023-00754-6

Yuki Tsunazawa, Chiharu Tokoro, Yuji Andod, Tomoki Nakamurad, Ryosuke Tsukimi, and Nobuo Miyatake.
"Applicability of Gravity Separation to Recycling Biodegradable Plastics"
Journal of Chemical Engineering of Japan, 2023, Vol. 56, No.1,2215269
DOI：10.1080/00219592.2023.2215269
URL:https://doi.org/10.1080/00219592.2023.2215269

Kosuke Tsuchiya, Shigeshi Fuchida, Chiharu Tokoro.
"Synthesis and selenate removal of magnesium–aluminum-layered double hydroxide particle using magnesium oxide"
International Journal of Environmental Science and Technology. 2023,Vol.20, pp9481–9494.
DOI: 10.1007/s13762-022-04653-3
URL: https://doi.org/10.1007/s13762-022-04653-3

Rodrigo Mundo, Hisanori Iwai, Shinya Ochiai, Noriko Hasebe, Seiya Nagao.
"140 years-long sedimentary records of PAHs and CN stable isotopes from Ninomiya River, Japan"
Marine Pollution Bulletin, 2023, Vol. 192, No.11493
DOI：doi.org/10.1016/j.marpolbul.2023.114943

Hirokazu Narita, Motoki Maeda, Chiharu Tokoro, Tomoya Suzuki, Mikiya Tanaka, Hideaki Shiwakud, Tsuyoshi Yaitad.
 "Extraction of Se(iv) and Se(vi) from aqueous HCl solution by using a diamide-containing tertiary amine" 
Royal Society of Chemistry. 2023, Vol.13, No.25, pp.17001-17007
DOI:10.1039/d3ra01341c
URL:https://doi.org/10.1039/d3ra01341c

佐藤啓太, 小山恵史, 小板丈俊, 久保田明紀子, 所千晴.
”接着接合の易解体における浸漬前処理の有効性評価”
環境資源工学会誌. 2023, Vol.70, No.2, pp.65–72.
DOI:10.4144/rpsj.70.65
URL: https://doi.org/10.4144/rpsj.70.65

Yanhui Kong, Yutaro Takaya, Mauricio Córdova-Udaeta, Chiharu Tokoro
"Simple and efficient selective extraction of lithium from spent ternary lithium-ion batteries via oxidation/de-lithiation using NaClO"
Separation and Purification Technology. 2023,Vol.322,124280．
DOI:10.1016/j.seppur.2023.124280 
URL:https://doi.org/10.1016/j.seppur.2023.124280

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.
”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”
粉体工学会誌,2023,60巻,10号,pp.600-606
DOI:10.4164/sptj.60.600
URL:https://doi.org/10.4164/sptj.60.600

Yutaro Takaya , Syuichi Kuwaba , Yusaku Tsujimura , Katsunori Yamaguchi , Chiharu Tokoro
"Chemical speciation changes of an all-solid-state lithium-ion battery caused by roasting determined by sequential acid leaching"
Waste Management,Volume 166, 1 July 2023, Pages 122-132 
DOI:10.1016/j.wasman.2023.04.042
URL:https://doi.org/10.1016/j.wasman.2023.04.042