論文

• Nunthaphan Vikromvarasiri, Mitsuhiko Koyama, Winarto Kurniawan, Nipon Pisutpaisal, Kiyohiko Nakasaki. Enhancing methane recovery by intermittent substrate feeding and microbial community response in anaerobic digestion of glycerol, Renewable Energy, Volume 204, Page 106-113, Mar. 2023.
• Jericho Victor Lagasca Mercado, Mitsuhiko Koyama, Kiyohiko Nakasaki. Short-term changes in the anaerobic digestion microbiome and biochemical pathways with changes in organic load, Science of the Total Environment, Elsevier, Volume 813, Mar. 2022.  公式リンク  
  
• Tosawat Loakasikarn, Yutaro Kubota, Mitsuhiko Koyama, Kiyohiko Nakasaki. Effect of seeding materials on organic matter degradation and microbial community succession during model organic waste composting, Biocatalysis and Agricultural Biotechnology, pp. 102182, Oct. 2021.  公式リンク  
  
• Syazni Zainul Kamal, Mitsuhiko Koyama, Fadhil Syukri, Tatsuki Toda, Tran Ngoc Minh Quyen, Kiyohiko Nakasaki. Effect of enzymatic pre-treatment on thermophilic composting of shrimp pond sludge to improve ammonia recovery, Environmental Research, pp. 112299, Oct. 2021.  公式リンク  
  
• Abd Wahab Farahin, Ikhsan Natrah, 長尾 宣夫, Fatimah Yusoff, Mohamed Shariff, Sanjoy Banerjee, 片山 智代, 中國 正寿, Mitsuhiko Koyama, Kiyohiko Nakasaki, Tatsuki Toda. Tolerance of Tetraselmis tetrathele to high ammonium nitrogen and its effect on growth rate, carotenoid and fatty acids productivity, Frontiers in bioengineering and biotechnology, Vol. 9, No. 19, Jan. 2021.
• Ndubuisi Samuel Iweh, Mitsuhiko Koyama, Shinichi Akizuki, Syuhei Ban, Tatsuki Toda. Novel wet-solid states serial anaerobic digestion process for enhancing methane recovery of aquatic plant biomass, Science of The Total Environment, Vol. 730, pp. 138993, Aug. 2020.  公式リンク  
  
• Mitsuhiko Koyama, Nagao, N., Syukri, F., Rahim, A.A., Toda, T., Tran, Q.N.M., Nakasaki, K.. Ammonia recovery and microbial community succession during thermophilic composting of shrimp pond sludge at different sludge properties, Journal of Cleaner Production, Vol. 251, Apr. 2020.  公式リンク  
  
• Liu, X., Fujiwara, M., Kodera, T., Watanabe, K., Akizuki, S., Kishi, M., Koyama, M., Toda, T., Ban, S., Mitsuhiko Koyama. Conditions for continuous cultivation of Chlorella sorokiniana and nutrient removal from anaerobic digestion effluent of aquatic macrophytes, International Biodeterioration and Biodegradation, Vol. 149, Apr. 2020.  公式リンク  
  
• Kiyohiko Nakasaki, Kiem Khac Nguyen, Florencio C. Ballesteros, Jr., Takuya Maekawa, Mitsuhiko Koyama. Characterizing the microbial community involved in anaerobic digestion of lipid-rich wastewater to produce methane gas, Anaerobe, pp. 102082, Feb. 2020.  公式リンク  
  
• Mitsuhiko Koyama, Takuya Maekawa, Jo Fujita, Kiyohiko Nakasaki. Changes in the microbial community during the acclimation process of anaerobic digestion for treatment of synthetic lipid-rich wastewater, Journal of Biotechnology, Vol. 306, pp. 32-37, Dec. 2019.  公式リンク  
  
• Quyen Ngoc Minh Tran, Hiroshi Mimoto, Mitsuhiko Koyama, Kiyohiko Nakasaki. Lactic acid bacteria modulate organic acid production during early stages of food waste composting, Science of The Total Environment, Vol. 687, pp. 341-347, Oct. 2019.  公式リンク  
  
• Mitsuhiko Koyama, Norio Nagao, Fadhil Syukri, Fatimah Md. Yusoff, Tatsuki Toda, Tran Ngoc Minh Quyen, Kiyohiko Nakasaki. Effect of Ca(OH)2 dosing on thermophilic composting of anaerobic sludge to improve the NH3 recovery, Science of The Total Environment, Vol. 670, pp. 1133-1139, June 2019.  公式リンク  
  
• A Elreedy, Tawfik A, Manabu Fujii, Mitsuhiko Koyama, Kiyohiko Nakasaki. Enhanced fermentative hydrogen production from industrial wastewater using mixed culture bacteria incorporated with iron, nickel, and zinc-based nanoparticles, Water Research, Vol. 151, pp. 349-361, Mar. 2019.  公式リンク  
  
• Kazumasa Tanaka, Mitsuhiko Koyama, Phan Thi Pham, Analiza Palenzuela Rollon, Hiroaki Habaki, Ryuichi Egashira, Kiyohiko Nakasaki. Production of high-concentration bioethanol from cassava stem by repeated hydrolysis and intermittent yeast inoculation, International Biodeterioration & Biodegradation, Vol. 138, pp. 1-7, Mar. 2019.  公式リンク  
  
• Shigeko Kimura, Tsuyoshi Yamada, Syuhei Ban, Mitsuhiko Koyama, Tatsuki Toda. Nutrient removal from anaerobic digestion effluents of aquatic macrophytes with the green alga, Chlorella sorokiniana, Biochemical Engineering Journal, Vol. 142, pp. 170-177, Feb. 2019.  公式リンク  
  
• Puspitaloka, H., Mimoto, H., Tran, Q.N.M., Koyama, M., Nakasaki, K., Mitsuhiko Koyama. Effect of aeration method on organic matter degradation and ammonia emission of composting in a laboratory-scale reactor, Journal of Material Cycles and Waste Management, 2019.  公式リンク  
  
• Nakasaki, K., Hirai, H., Mimoto, H., Quyen, T.N.M., Koyama, M., Takeda, K., Mitsuhiko Koyama. Succession of microbial community during vigorous organic matter degradation in the primary fermentation stage of food waste composting, Science of the Total Environment, Vol. 671, pp. 1237-1244, 2019.  公式リンク  
  
• Fujiwara, M., Koyama, M., Akizuki, S., Watanabe, K., Ishikawa, K., Ban, S., Toda, T., Mitsuhiko Koyama. Seasonal Changes in the Chemical Composition and Anaerobic Digestibility of Harvested Submerged Macrophytes, Bioenergy Research, 2019.  公式リンク  
  
• M Goto, N Nagao, F Md Yusoff, MS Kamarudin, T Katayama, N Kurosawa, M Koyama, K Nakasaki, T Toda. High ammonia tolerance on growth rate of marine microalga Chlorella vulgaris, Journal of Environmental Biology, Vol. 39, No. 5, pp. 843-848, Sept. 2018.  公式リンク  
  
• Kishi, M., Kawai, M., Tsuchiya, K., Koyama, M., Nagao, N., Tatsuki Toda, Mitsuhiko Koyama. Enhancement of microalgal production through bacterial mineralization of ethylene glycol, Journal of Environmental Biology, Vol. 39, No. 5, pp. 725-731, Sept. 2018.  公式リンク  
  
• Nagao, N., Syukri, F., Rahim, A.A., Kamarudin, M.S., Tatsuki Toda, Mitsuhashi, T., Nakasaki, K., Mitsuhiko Koyama. Effect of temperature on thermophilic composting of aquaculture sludge: NH<inf>3</inf> recovery, nitrogen mass balance, and microbial community dynamics, Bioresource Technology, Vol. 265, pp. 207-213, June 2018.  公式リンク  
  
• Nagao, N., Syukri, F., Rahim, A.A., Kamarudin, M.S., Tatsuki Toda, Mitsuhashi, T., Nakasaki, K., Mitsuhiko Koyama. Effect of temperature on thermophilic composting of aquaculture sludge: NH<inf>3</inf> recovery, nitrogen mass balance, and microbial community dynamics, Bioresource Technology, Vol. 265, pp. 207-213, June 2018.  公式リンク  
  
• Ban, S., Toda, T., Koyama, M., Ishikawa, K., Kohzu, A., Imai, A., Mitsuhiko Koyama. Modern lake ecosystem management by sustainable harvesting and effective utilization of aquatic macrophytes, Limnology, June 2018.  公式リンク  
  
• Mitsuhiko Koyama, Nobuo Nakahashi, Kanako Ishikawa, Syuhei Ban, Tatsuki Toda. Anaerobic co-digestion of alkali-pretreated submerged macrophytes and acidified food waste for reduction of neutralizing agents, International Biodeterioration & Biodegradation, Vol. 125, pp. 208-213, Nov. 2017.  公式リンク  
  
• Watanabe, K., Koyama, M., Ueda, J., Ban, S., Kurosawa, N., Toda, T., Mitsuhiko Koyama. Effect of operating temperature on anaerobic digestion of the Brazilian waterweed Egeria densa and its microbial community, Anaerobe, Vol. 47, pp. 8-17, Oct. 2017.  公式リンク  
  
• Watanabe, K., Kurosawa, N., Ishikawa, K., Ban, S., Toda, T., Mitsuhiko Koyama. Effect of alkaline pretreatment on mesophilic and thermophilic anaerobic digestion of a submerged macrophyte: Inhibition and recovery against dissolved lignin during semi-continuous operation, Bioresource Technology, Vol. 238, pp. 666-674, Aug. 2017.  公式リンク  
  
• Yamamoto, S., Ishikawa, K., Ban, S., Toda, T., Mitsuhiko Koyama. Inhibition of anaerobic digestion by dissolved lignin derived from alkaline pre-treatment of an aquatic macrophyte, Chemical Engineering Journal, Vol. 311, pp. 55-62, Mar. 2017.  公式リンク  
  
• Koyama, M., Yamamoto, S., Ishikawa, K., Ban, S., Toda, T., Mitsuhiko Koyama. Enhancing anaerobic digestibility of lignin-rich submerged macrophyte using thermochemical pre-treatment, Biochemical Engineering Journal, Vol. 99, pp. 124-130, July 2015.  公式リンク  
  
• Yamamoto, S., Ishikawa, K., Ban, S., Toda, T., Mitsuhiko Koyama. Anaerobic digestion of submerged macrophytes: Chemical composition and anaerobic digestibility, Ecological Engineering, Vol. 69, pp. 304-309, Aug. 2014.  公式リンク  
  

国際会議発表 (査読なし・不明)

• Jericho Victor Lagasca Mercado, Mitsuhiko Koyama, Kiyohiko Nakasaki. Microbial community response to changing organic load varies with acclimatization substrate of anaerobic digestion sludge, 8th International Conference on Engineering for Waste and Biomass Valorisation, June 2021.
• Jericho Victor Lagasca Mercado, Mitsuhiko Koyama, Kiyohiko Nakasaki. Short-term changes in the anaerobic digestion microbiome and pathways with changes in organic load, 8th International Symposium on Energy from Biomass and Waste, Nov. 2020.
• Mitsuhiko Koyama, Norio Nagao, Fadhil Syukri, Abdullah Abd Rahim, Mohd Salleh Kamarudin, Tatsuki Toda, Kiyohiko Nakasaki. Effect of Ca(OH)2 addition on NH3 recovery from sludge during thermophilic composting, 4th International Postgraduate Conferenceon Biotechnology, Aug. 2018.
• Mitsuhiko Koyama, Keiko Watanabe, Norio Kurosawa, Shuichi Yamamoto, Kanako Ishikawa, Syuhei Ban, Tatsuki Toda. Effect of dissolved lignin on anaerobic digestion of alkali pre-treated aquatic macrophyte: inhibition and acclimatization, The 13th IWA Leading Edge Conference on Water and Wastewater Technologies, June 2016.

国内会議発表 (査読なし・不明)

• Mitsuhiko Koyama, Tosawat Loakasikarn, 久保田悠太郎, Kiyohiko Nakasaki. Effect of seeding materials on the composting process of model organic waste: Organic matter degradation and succession of microbial community, 31st Annual Conference of Japan Society of Material Cycles and Waste Management, Sept. 2021.
• Jericho Victor Lagasca Mercado, Mitsuhiko Koyama, Kiyohiko Nakasaki. Microbial community and predicted biochemical pathways changes with organic load in anaerobic digestion, 31st Annual Conference of Japan Society of Material Cycles and Waste Management, Sept. 2020.
• 小山光彦, 長尾宣夫, F. Syukri, A. A. Rahim, M. S. Kamarudin, 戸田龍樹, Tran Ngoc Minh Quyen, 中崎清彦. 有機性汚泥のコンポスト化における消石灰添加によるアンモニア回収, 29回廃棄物資源循環学会年会, Sept. 2018.
• 小山光彦, 長尾宣夫, F. Syukri, A. A. Rahim, M. S. Kamarudin, 戸田龍樹, 中崎清彦. 汚泥の種類が高温固体発酵にともなうアンモニア発生に与える影響, 化学工学会第50回秋季大会, Sept. 2018.
• 小山光彦, 長尾宣夫, F. Syukri, A. A. Rahim, M. S. Kamarudin, 戸田龍樹, 三橋拓也, 中崎清彦. アンモニア回収を目的としたエビ養殖池汚泥の好気発酵における発酵温度の影響, 平成30年度廃棄物資源循環学会春の研究発表会, June 2018.

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