KOSAKA Koji

Researcher Name
KOSAKA Koji
Div (Section) name/title
Health and Environmental Risk Division（Wako Branch Office）／Prime Senior Researcher

Research Subject

  • Fiscal Year: 2026

    • 27604 : Research on Risk Mitigation of PFAS and Other Cross-Media Environmental Pollutants
    • 27711 : Advanced integration and implementation of water quality management involving emerging threats during disasters and water quality accidents
    • 27717 : Research and study to contribute to improving water quality management of drinking water and raw water
    • 27817 : Ecology and water treatment engineering of algae from the point of disinfection byproducts
    • 27916 : Development of a comprehensive water quality management strategy and monitoring methods for regulated and unregulated PFAS in drinking water sources using environmental modeling and analysis
    • 27970 : Type-specific behavior of viruses and protozoa in drinking water sources and treatment processes based on their present forms and viability evaluation
    • 27986 : Study on the establishment of appropriate recycling technologies and systems for PFAS-containing waste materials

  • Fiscal Year: 2025

    • 27572 : Development of detection and countermeasure methods for water quality accidents by continuous monitoring and comprehensive targeted and non-targeted analysis, and optimization of basin monitoring
    • 27573 : Ecology and water treatment engineering of algae from the point of disinfection byproducts
    • 27576 : Development of a comprehensive water quality management strategy and monitoring methods for regulated and unregulated PFAS in drinking water sources using environmental modeling and analysis
    • 27577 : Research on the construction of a water supply system robust and resilient to natural disasters under declining human resources
    • 27584 : Drinking water quality research, health and environmental risk division
    • 27585 : Study on rolling revision of drinking water quality regulation in fiscal year 2025
    • 27586 : Study on improving water quality management based on the occurrence of chemical substances etc. in drinking and raw water in fiscal year 2025
    • 27594 : Risk assessment of drinking water source contamination associated with heavy rainfall events based on a predictive model for pathogenic microorganisms in rivers
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Research Result (Publication)

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Research Result (Presentation)

  • Research Presentation
    Treatability of hydrophilic anthropogenic organic compounds by low-dose chlorination combined with powdered activated carbon
    Presenter : Hinneh K.D.C., Dorji T., Tada Y., Echigo S., Kosaka K.
    Name of Society : The 48th Symposium of the Association of Environmental and Sanitary Engineering Research (2026)
    Name of Proceedings : Environmental & sanitary engineering research, 40(3):15-17
  • Research Presentation
    Water quality monitoring and variability assessment of drinking water source using a continuous EEM measurement with deep learning approach
    Presenter : Burzio C., Welle M., Kawaguchi Y., Kosaka K., Komatsu K., Hashimoto T.
    Name of Society : 60th Annual Meeting of the Japan Society on Water Environment (2026)
    Name of Proceedings : Abstracts, 450
  • Research Presentation
    Influence of environmental water on the growth phases of freshwater raphidophytes and their disinfection byproducts
    Presenter : Tada Y., Tukana M., Hinneh K.D.C., Asada Y., Kosaka K., Echigo S.
    Name of Society : Water and Environment Technology Conference 2025 (WET2025) (2025)
    Name of Proceedings : Abstracts
  • Research Presentation
    Evaluation of a fully automated analytical method for PFAS in environmental water
    Presenter : Takazawa M., Sasano R., Takemine S., Motegi M., Kosaka K.
    Name of Society : Dioxin 2025 (2025)
    Name of Proceedings : Abstracts, 458
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  • Treatability of hydrophilic anthropogenic organic compounds by low-dose chlorination combined with powdered activated carbon
    Presenter : Hinneh K.D.C., Dorji T., Tada Y., Echigo S., Kosaka K.
    Name of Society : The 48th Symposium of the Association of Environmental and Sanitary Engineering Research (2026)
    Name of Proceedings : Environmental & sanitary engineering research, 40(3):15-17
  • Influence of environmental water on the growth phases of freshwater raphidophytes and their disinfection byproducts
    Presenter : Tada Y., Tukana M., Hinneh K.D.C., Asada Y., Kosaka K., Echigo S.
    Name of Society : Water and Environment Technology Conference 2025 (WET2025) (2025)
    Name of Proceedings : Abstracts
  • Water quality monitoring and variability assessment of drinking water source using a continuous EEM measurement with deep learning approach
    Presenter : Burzio C., Welle M., Kawaguchi Y., Kosaka K., Komatsu K., Hashimoto T.
    Name of Society : 60th Annual Meeting of the Japan Society on Water Environment (2026)
    Name of Proceedings : Abstracts, 450
  • Evaluation of a fully automated analytical method for PFAS in environmental water
    Presenter : Takazawa M., Sasano R., Takemine S., Motegi M., Kosaka K.
    Name of Society : Dioxin 2025 (2025)
    Name of Proceedings : Abstracts, 458
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