Journal Paper

• Ali Marefat, Golzary, Abooali Golzary, Fumitake Takahashi, Donald Huisingh. Financial feasibility and optimization of anaerobic digestion systems for sustainable waste management: A comprehensive global analysis, Cleaner Environmental Systems, Elsevier, Vol. 19, 100339, Dec. 2025.
• M Ismail Bagus Setyawan, Hao Xu, Yamsomphong Kanokwan, Vinayak Gupta, Pu Yang, Fumitake Takahashi. A quantitative answer to the question; what operational variable is the most effective to improve the outputs of biomass pyrolysis and gasification?, Energy Conversion and Management, Elsevier, Vol. 342, 120097, Oct. 2025.
• Pu Yang, Hao Xu, Mengzhu Yu, Kanokwan Yamsomphong, M Ismail Bagus Setyawan, Fumitake Takahashi. Enhancing water retention performance of biochar modified by alkali-treated coal fly ash: pyrolysis behavior, Environmental Technology & Innovation, Elsevier, Vol. 39, 104306, Aug. 2025.
• Kanokwan Yamsomphong, Hao Xu, Pu Yang, Natnicha Yotpanya, Toshiyuki Yokoi, Fumitake Takahashi. Excellent but strange adsorption performance of shrimp shell-derived adsorbent for anionic pollutant removal, Chemical Engineering Journal, Elsevier, Vol. 515, 163683, July 2025.
• Daisuke Sugimoto, Fumitake Takahashi. Improper discharge mechanisms of regulated biomedical wastes from small-scale clinics: Risk perception, level of inconvenience, perceived difficulty, perceived container Volume, and inspection results, Journal of the Japan Society of Material Cycles and Waste Management, Japan Society of Material Cycles and Waste Management, Vol. 36, pp. 19-33, June 2025.
• Tetsuji Okamoto, Fumitake Takahashi, Mitsuhiko Koyama, Kiyohiko Nakasaki. Effect of bubble size on microbial community in intermittently-aerated activated sludge process in wastewater treatment, Process Biochemistry, Elsevier, Vol. 152, pp. 38-46, May 2025.
• Kanokwan Yamsomphong, Hao Xu, Pu Yang, Natnicha Yotpanya, Toshiyuki Yokoi, Fumitake Takahashi. Transforming waste into wealth in sustainable shrimp aquaculture: Effective phosphate removal and recovery using shrimp shell-derived adsorbents, Separation and Purification Technology, Elsevier, Vol. 357, No. Part A, 129982, May 2025.
• Hao Xu, Pu Yang, Mengzhu Yu, Douglas Hungwe, Yuki Yamasaki, Kunio Yoshikawa, Fumitake Takahashi. Co-hydrothermal carbonization of polyvinyl chloride and rice straw for solid fuel production: Investigation into effect of solid to water ratio using Box-Behnken design and response surface methodology, Applied Energy, Elsevier, Vol. 380, 125089, Feb. 2025.

International Conference (Not reviewed / Unknown)

• Tomoko Shirahase, Fumitake Takahashi. Organic solvent-free fabrication of porous polymethyl methacrylate monolith for cationic pollutant removal: A case study of methylene blue, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 21, Nov. 2025.
• Kies Sorbor Kiteah, Vinayak Gupta, Hazel Gonzales, Fumitake Takahashi. Waste management and technology implementation scenario analysis in Liberia, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 59, Nov. 2025.
• Bo Wang, Vinayak Gupta, Fumitake Takahashi. Communicating waste through art: Effects of waste's artistic representation on public engagement, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 54, Nov. 2025.
• Hieng Ong Tie, Hao Xu, Fumitake Takahashi. Co-pyrolysis of shrimp shell and eggshell waste into calcium-rich biochar for phosphorus recovery from aqueous systems, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 47, Nov. 2025.
• Nuchsara Wattana, Hao Xu, Pu Yang, Hirofumi Sakanakura, Fumitake Takahashi. Hydrophilic and hydrophobic hybrid treatment for municipal solid waste incineration fly ash (MSWIFA), 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 41, Nov. 2025.
• Hao Xu, Douglas Hungwe, Pu Yang, Fumitake Takahashi, Kunio Yoshikawa. Unraveling the roles of additives and particle size in the hydrothermal dechlorination kinetics of polyvinyl chloride, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 28, Nov. 2025.
• Vinayak Gupta, Hazel B. Gonzales, Bo Wang, Douglas Hungwe, Hao Xu, Pu Yang, Fumitake Takahashi. Behavioural insights into municipal waste recycling in a tier 2 city in India: A theory of planned behaviour perspective, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 61, Nov. 2025.
• Pu Yang, Hao Xu, Kunio Yoshikawa, Fumitake Takahashi. Field simulation: direct and indirect use of coal fly ash for soil amendment, 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, Proceedings of 12th Japan-China-Korea Joint Symposium on Clean Energy and Sustainable Environment 2025, pp. 25, Nov. 2025.
• Tomoko Shirahase, Fumitake Takahashi. Porous polymethyl methacrylate monolith fabricated without organic solvent for cationic pollutant removal: A preliminary study, 14th China-Japan Joint Conference on material recycling and waste management "CJJC2025", Proceedings of the 14th China-Japan Joint Conference on material recycling and waste management "CJJC2025", P2-17, Oct. 2025.
• Bo Wang, Vinayak Gupta, Fumitake Takahashi. Using cognitive dissonance induced by wastepresented as art to improve perceptions of waste, 14th China-Japan Joint Conference on material recycling and waste management "CJJC2025", Proceedings of the 14th China-Japan Joint Conference on material recycling and waste management "CJJC2025", O1-2, Oct. 2025.
• M Ismail Bagus Setyawan, Anindhita, Hao Xu, Fumitake Takahashi. Monte Carlo methods for sensitivity analysis of catalytic steam biomass gasification: hydrogen production, International Conference on Sustainable Energy and Green Technology 2025, Proceedings of International Conference on Sustainable Energy and Green Technology 2025 "SCGW-SEGT 2025", pp. 242, Aug. 2025.

Domestic Conference (Not reviewed / Unknown)

• Fumitake Takahashi. Design effect of PET bottle recycling bins on PET bottle recycling behaviors through course practice activity for undergraduate students – Part II: Comparative evaluations of design effect and location effect, 35th annual conference of Japan Society of Material Cycles and Waste Management, Proceeding of the annual conference of Japan Society of Material Cycles and Waste Management, 一般社団法人 廃棄物資源循環学会, Vol. 36, pp. 37-38, Sept. 2025.
• 王波, Gupta Vinayak, 高橋史武. Using cognitive dissonance induced by waste presented as art to improve perceptions of waste, 35th annual conference of Japan Society of Material Cycles and Waste Management, Proceeding of the annual conference of Japan Society of Material Cycles and Waste Management, 一般社団法人 廃棄物資源循環学会, Vol. 36, pp. 35-36, Sept. 2025.

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