Specialized field |
Biochemical engineering, environmental microbiology
|
Research theme |
1) Microbial engineering research on the composting process and soil application of compost 2) Research into the detailed mechanisms of methane fermentation and how to increase its efficiency 3) Research into green chemistry for producing commodity chemicals from biomass
|
research content |
Environmental problems caused by the consumption of resources through human activities and production activities, and the resulting waste and wastewater discharged from these activities, are becoming more serious, to the point of threatening the very foundation of human existence. With the right conversion technology, organic waste and wastewater can be converted into useful resources and energy that can be used in agriculture, industry, and the public. Our laboratory considers organic waste and wastewater to be valuable biomass resources, and we are conducting research into conversion technologies such as composting, industrial raw material conversion (biorefinery), and energy production through methane fermentation. Among these, composting and methane fermentation are not pure microbial systems, but complex microbial systems in which multiple microorganisms coexist while exerting complex interactions, and it has been considered difficult to clarify the mechanisms and optimize the operation. However, our laboratory is working hard on these themes by applying molecular biology, which has been developing rapidly in recent years, to equipment engineering.
|
Subjects in charge |
Green Chemistry Technology Support Engineering Waste Treatment Engineering (Faculty of Science and Engineering)
|
Main career, work history, and academic background |
March 1985: Graduated from the Tokyo Institute of Technology Graduate School Graduate School of Science and Engineering (Doctor of Engineering) 1985.4 Assistant Professor, Department of Chemical Engineering, Shizuoka University 1988.4 Assistant Lecturer Department of Chemical Engineering, Shizuoka University 2000.1 Professor, Department of Chemical Engineering, Shizuoka University 2009.9 Professor, Department of International Development Engineering, Graduate Graduate School of Science and Engineering Tokyo Institute of Technology 2023.3 Retired from Tokyo Institute of Technology (Professor Emeritus) 2023.4 Visiting Professor, Soka University Institute of Plankton Eco-engineering 2024.4 Professor, Graduate School Graduate School of Science and Engineering Environmental Engineering for Symbiosis Major, Soka University
|
Affiliated academic societies and organizations |
Society of Chemical Engineers, Society of Biotechnology, Japan, Japan Society of Waste Management and Recycling
|
Main Papers and Publications |
- JV Mercado, M Koyama, K Nakasaki, Co-occurrence network analysis reveals loss of microbial interactions in anaerobic digester subjected to repeated organic load shocks, Water Research, 2023, https://doi.org/10.1016/j.watres.2022.118754
- JV Mercado, M Koyama, K Nakasaki, Complexity of acclimatization substrate affects anaerobic digester microbial community response to organic load shocks, Environmental Research, 2023, https://doi.org/10.1016/j.envres.2022.114722
- Q Li, M Koyama, K Nakasaki, Effect of storage time on organic matter decomposition during composting by inoculating enriched microorganisms, Environmental Technology & Innovation, 2023, https://doi.org/10.1016/j.envres.2022.114722
- TP Nguyen, M Koyama, K Nakasaki, Effect of oxygen deficiency on organic matter decomposition during the early stage of composting, Waste Management, 2023, https://doi.org/10.1016/j.wasman.2023.01.034
- N Vikromvarasiri, M Koyama, W Kurniawan, N Pisutpaisal, K Nakasaki, Enhancing methane recovery by intermittent substrate feeding and microbial community response in anaerobic digestion of glycerol, Renewable Energy, 2023, https://doi.org/10.1016/j.renene.2023.01.002
- HO Tie, HC Man, M Koyama, F Syukri, FM Yusoff, T Toda, K Nakasaki, NM Ramli, The effect of calcium hydroxide addition on enhancing ammonia recovery during thermophilic composting in a self-heated pilot-scale reactor, Waste Management, 2023, https://doi.org/10.1016/j.wasman.2023.04.046
- W Kurniawan, N Vikromvarasiri, N Pisutpaisal, M Koyama, K Nakasaki, Utilization of first-order mass action kinetic models to elucidate the mechanism of methane fermentation of glycerol, Biochemical Engineering Journal, 2023, https://doi.org/10.1016/j.bej.2023.109099
|