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TitleImproving operational management of wastewater systems: a case study
Author(s)Pereira, A.
Pinho, José L. S.
Faria, R.
Vieira, J.M.P.
Costa, C.
Hydroinformatic tools
Numerical modelling
Issue dateJul-2019
PublisherIWA Publishing
JournalWater Science & Technology
CitationPereira A., Pinho J. L. S., Faria R., Vieira J. M. P., Costa C. Improving operational management of wastewater systems. A case study, Water Science & Technology, Vol. 80, Issue 1, pp. 173-183, doi:10.2166/wst.2019.264, 2019
Abstract(s)Wastewater treatment facilities collecting wastewater from longstanding sewer networks of five municipalities in the Ave River basin (located in NW Portugal) are especially vulnerable to water inflows since they have considerable extensions of sewers installed in stream and riverbeds. TRATAVE, the company responsible for operating the system, designed and implemented a monitoring network to measure discharges along the entire drainage network and treatment facilities in order to reduce those water inflows. Several flow measurement devices were installed at strategic locations within the sewer network and integrated with a SCADA system responsible for its operation. A decision support system (DSS) is being implemented using the Delft-FEWS platform, integrating monitoring data and models. Based on monitored data and model results, an estimation of infiltration volumes during wet periods is presented. Moreover, the capabilities of the DSS are illustrated in: (i) location of manholes losses along sewer networks during wet periods; (ii) identification and location of unknown connections to the sewer network using wastewater balances; and (iii) design of a PID controller for a pumping station using on-line tank water level measurement. Acquired knowledge resulting from the DSS greatly improved the utility performance both in terms of economic revenue and environmental protection
Publisher version10.2166/wst.2019.264
AccessOpen access
Appears in Collections:C-TAC - Artigos em Revistas Internacionais

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