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Improving the performance of an integrated urban wastewater system under future climate change and urbanisation scenarios

journal contribution
posted on 2023-09-01, 14:29 authored by Maryam Astaraie-Imani, Zoran Kapelan, David Butler
This paper presents the results of a study to investigate the performance of an integrated urban wastewater system (IUWS) consisting of a sewer system, biological wastewater treatment plant and receiving water under future climate change and urbanisation. In particular, the roles of both system operational control and (re)design were studied as means to ensure future compliance of the system with recipient water quality standards. This is carried out by applying a scenario-based approach to describe the possible features of future climate change and/or urbanisation. Dissolved oxygen and ammonium concentrations are considered as the objectives of the optimisation models. Critical flow rates in the IUWS are considered as decision variables of the operational control model and sewer storage tank volume is considered as the design model decision variable in this study. It is demonstrated that operational control optimisation alone, under all the scenarios developed, does not have enough potential to cope with these future conditions and only when combined with design optimisation can adequate performance be guaranteed.

History

Refereed

  • Yes

Volume

4

Issue number

3

Page range

232-243

Publication title

Journal of Water and Climate Change

ISSN

2040-2244

Publisher

IWA Publishing

File version

  • Published version

Language

  • eng

Legacy posted date

2019-06-26

Legacy creation date

2019-06-19

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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