Key control handles in integrated urban wastewater systems for improving receiving water quality

Ramesh Saagi*, Stefan Kroll, Xavier Flores-Alsina, Krist V. Gernaey, Ulf Jeppsson

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

There is an increasing interest in modelling and control of integrated urban wastewater systems (UWS). Nevertheless, given the multiple interactions between the sub-systems – catchment, sewer system, wastewater treatment plant (WWTP) and receiving water system – the selection of effective control handles for improving receiving water quality is a major challenge. In this paper, a systematic study to identify the most important control handles in an UWS is presented. The Benchmark Simulation Model for Urban Wastewater Systems (BSM-UWS) is selected as a virtual case-study. Morris screening is used to perform global sensitivity analysis. Results indicate that, for the BSM-UWS layout, while river dissolved oxygen quality (Texc,DO) is influenced by multiple control handles both in the sewer system and WWTP, river un-ionized ammonia quality (Texc,NH3) is mainly influenced by WWTP control handles. The study highlights the need to perform simulations for at least 1 year when determining key control handles for UWS.
Original languageEnglish
JournalUrban Water Journal
Volume15
Issue number8
Pages (from-to)790-800
Number of pages12
ISSN1573-062X
DOIs
Publication statusPublished - 2018

Keywords

  • BSM-UWS
  • Integrated control strategies
  • Global sensitivity analysis
  • Urban wastewater systems

Cite this

@article{9b6f53ce030744cd9fdd70e47fed3cbc,
title = "Key control handles in integrated urban wastewater systems for improving receiving water quality",
abstract = "There is an increasing interest in modelling and control of integrated urban wastewater systems (UWS). Nevertheless, given the multiple interactions between the sub-systems – catchment, sewer system, wastewater treatment plant (WWTP) and receiving water system – the selection of effective control handles for improving receiving water quality is a major challenge. In this paper, a systematic study to identify the most important control handles in an UWS is presented. The Benchmark Simulation Model for Urban Wastewater Systems (BSM-UWS) is selected as a virtual case-study. Morris screening is used to perform global sensitivity analysis. Results indicate that, for the BSM-UWS layout, while river dissolved oxygen quality (Texc,DO) is influenced by multiple control handles both in the sewer system and WWTP, river un-ionized ammonia quality (Texc,NH3) is mainly influenced by WWTP control handles. The study highlights the need to perform simulations for at least 1 year when determining key control handles for UWS.",
keywords = "BSM-UWS, Integrated control strategies, Global sensitivity analysis, Urban wastewater systems",
author = "Ramesh Saagi and Stefan Kroll and Xavier Flores-Alsina and Gernaey, {Krist V.} and Ulf Jeppsson",
year = "2018",
doi = "10.1080/1573062X.2018.1547771",
language = "English",
volume = "15",
pages = "790--800",
journal = "Urban Water Journal",
issn = "1573-062X",
publisher = "CRC Press/Balkema",
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}

Key control handles in integrated urban wastewater systems for improving receiving water quality. / Saagi, Ramesh; Kroll, Stefan; Flores-Alsina, Xavier; Gernaey, Krist V.; Jeppsson, Ulf.

In: Urban Water Journal, Vol. 15, No. 8, 2018, p. 790-800.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Key control handles in integrated urban wastewater systems for improving receiving water quality

AU - Saagi, Ramesh

AU - Kroll, Stefan

AU - Flores-Alsina, Xavier

AU - Gernaey, Krist V.

AU - Jeppsson, Ulf

PY - 2018

Y1 - 2018

N2 - There is an increasing interest in modelling and control of integrated urban wastewater systems (UWS). Nevertheless, given the multiple interactions between the sub-systems – catchment, sewer system, wastewater treatment plant (WWTP) and receiving water system – the selection of effective control handles for improving receiving water quality is a major challenge. In this paper, a systematic study to identify the most important control handles in an UWS is presented. The Benchmark Simulation Model for Urban Wastewater Systems (BSM-UWS) is selected as a virtual case-study. Morris screening is used to perform global sensitivity analysis. Results indicate that, for the BSM-UWS layout, while river dissolved oxygen quality (Texc,DO) is influenced by multiple control handles both in the sewer system and WWTP, river un-ionized ammonia quality (Texc,NH3) is mainly influenced by WWTP control handles. The study highlights the need to perform simulations for at least 1 year when determining key control handles for UWS.

AB - There is an increasing interest in modelling and control of integrated urban wastewater systems (UWS). Nevertheless, given the multiple interactions between the sub-systems – catchment, sewer system, wastewater treatment plant (WWTP) and receiving water system – the selection of effective control handles for improving receiving water quality is a major challenge. In this paper, a systematic study to identify the most important control handles in an UWS is presented. The Benchmark Simulation Model for Urban Wastewater Systems (BSM-UWS) is selected as a virtual case-study. Morris screening is used to perform global sensitivity analysis. Results indicate that, for the BSM-UWS layout, while river dissolved oxygen quality (Texc,DO) is influenced by multiple control handles both in the sewer system and WWTP, river un-ionized ammonia quality (Texc,NH3) is mainly influenced by WWTP control handles. The study highlights the need to perform simulations for at least 1 year when determining key control handles for UWS.

KW - BSM-UWS

KW - Integrated control strategies

KW - Global sensitivity analysis

KW - Urban wastewater systems

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DO - 10.1080/1573062X.2018.1547771

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JF - Urban Water Journal

SN - 1573-062X

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