Implementation of an integrated real-time control system of sewer system and waste water treatment plant in the city of Wilhelmshaven

Katja Seggelke, Roland Löwe, Thomas Beeneken, Lothar Fuchs

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Abstract

A case study for integrated real-time control (RTC) of an urban drainage system in the city of Wilhelmshaven (Germany) is explained. The fuzzy based RTC strategy combines control of the sewer system and inflow to the waste water treatment plant. The main objective in controlling the sewer system is to reduce the number of overflows and the volume at a combined sewer overflow (CSO), located close to a bathing beach. Based on online measurements, the operation mode of two pumping stations is modified. This approach allows the safe activation of free storage volume in the sewer system without constructive measures. To avoid critical situations in the treatment process, the inflow to the treatment plant is automatically reduced to a defined value if high inflows to the treatment plant occur in combination with unfavorable conditions on the secondary clarifiers during rainfall events. The integrated RTC system has been operational for approximately one year.
Original languageEnglish
JournalUrban Water Journal
Volume10
Issue number5
Pages (from-to)330–341
ISSN1573-062X
DOIs
Publication statusPublished - 2013

Keywords

  • Total emission
  • Integrated control
  • Real-time control RTC
  • Inflow control WWTP
  • Combined sewage treatment

Cite this

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title = "Implementation of an integrated real-time control system of sewer system and waste water treatment plant in the city of Wilhelmshaven",
abstract = "A case study for integrated real-time control (RTC) of an urban drainage system in the city of Wilhelmshaven (Germany) is explained. The fuzzy based RTC strategy combines control of the sewer system and inflow to the waste water treatment plant. The main objective in controlling the sewer system is to reduce the number of overflows and the volume at a combined sewer overflow (CSO), located close to a bathing beach. Based on online measurements, the operation mode of two pumping stations is modified. This approach allows the safe activation of free storage volume in the sewer system without constructive measures. To avoid critical situations in the treatment process, the inflow to the treatment plant is automatically reduced to a defined value if high inflows to the treatment plant occur in combination with unfavorable conditions on the secondary clarifiers during rainfall events. The integrated RTC system has been operational for approximately one year.",
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Implementation of an integrated real-time control system of sewer system and waste water treatment plant in the city of Wilhelmshaven. / Seggelke, Katja; Löwe, Roland; Beeneken, Thomas; Fuchs, Lothar.

In: Urban Water Journal, Vol. 10, No. 5, 2013, p. 330–341.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - Implementation of an integrated real-time control system of sewer system and waste water treatment plant in the city of Wilhelmshaven

AU - Seggelke, Katja

AU - Löwe, Roland

AU - Beeneken, Thomas

AU - Fuchs, Lothar

PY - 2013

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AB - A case study for integrated real-time control (RTC) of an urban drainage system in the city of Wilhelmshaven (Germany) is explained. The fuzzy based RTC strategy combines control of the sewer system and inflow to the waste water treatment plant. The main objective in controlling the sewer system is to reduce the number of overflows and the volume at a combined sewer overflow (CSO), located close to a bathing beach. Based on online measurements, the operation mode of two pumping stations is modified. This approach allows the safe activation of free storage volume in the sewer system without constructive measures. To avoid critical situations in the treatment process, the inflow to the treatment plant is automatically reduced to a defined value if high inflows to the treatment plant occur in combination with unfavorable conditions on the secondary clarifiers during rainfall events. The integrated RTC system has been operational for approximately one year.

KW - Total emission

KW - Integrated control

KW - Real-time control RTC

KW - Inflow control WWTP

KW - Combined sewage treatment

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