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Related Experiment Videos

Development of the real-time control (RTC) system for Tokyo sewage system.

M Maeda1, H Mizushima, K Ito

  • 1Sewage Bureau, Tokyo Metropolitan Government, 2-8-1, Nishi-shinjyuku, Shinjyuku-ku, Tokyo, Japan. Masahiro_Maeda@Member.metro.tokyo.jp

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|March 26, 2005
PubMed
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Tokyo

Area of Science:

  • Environmental Engineering
  • Urban Water Management
  • Wastewater Systems

Background:

  • Combined sewer overflow (CSO) is a significant environmental challenge in urban areas.
  • Traditional infrastructure management often struggles to mitigate CSO effectively.
  • The Tokyo Metropolitan government sought innovative solutions to manage wastewater and prevent inundation.

Purpose of the Study:

  • To evaluate the effectiveness of a real-time control (RTC) system in minimizing combined sewer overflow.
  • To assess the impact of RTC on reducing CSO during rainfall events.
  • To explore software-based approaches for enhancing urban water management.

Main Methods:

  • Installation of a pilot RTC system at the Shinozaki Pumping Station.
  • Real-time monitoring of precipitation volume and pipe water levels.

Related Experiment Videos

  • Conducting simulations based on collected monitoring data.

    • Main Results:

    • The RTC system demonstrated a potential to reduce combined sewer overflow by approximately 50% for rainfall events up to 20 mm.
    • Utilizing rainfall forecasting with the RTC system showed an even greater CSO reduction, around 80%.
    • The system proved effective in managing strong rainwater influx in pipe routes.

    Conclusions:

    • Real-time control systems offer a viable software-based solution for minimizing combined sewer overflow.
    • RTC, especially when integrated with rainfall forecasting, significantly enhances urban wastewater management and inundation prevention.
    • The pilot study highlights the potential of RTC for optimizing the use of existing infrastructure while ensuring safety.