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A MILP model for enhancing wastewater networks by introducing reclaimed wastewater usage

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10.48158/MeCCE-14.DG.06.11
 
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hdl:2117/343316

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Lechtenberg, FabianMés informacióMés informació
Somoza Tornos, AnaMés informacióMés informació
Graells Sobré, MoisèsMés informacióMés informacióMés informació
Espuña Camarasa, AntonioMés informacióMés informacióMés informació
Document typeConference report
Defense date2020
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectMETODOS AVANZADOS DE INTEGRACION PARA UNA SIMBIOSIS EFICIENTE DE REDES DE PROCESO (AEI-DPI2017-87435-R)
Abstract
Wastewater treatment plants (WWTPs) are an example of available but underutilized waste-to-resource processes. Economic benefit opportunities can be generated through the design and operation of WWTPs following a circular economy policy. At the same time, the environmental performance is also enhanced, since water scarcity is counteracted by replacing freshwater usage with reclaimed water. In this work, we develop a MILP mathematical model representing the main characteristics of multi-contaminant wastewater exchange networks and validate it through a case study that is inspired of a WWTP located in Barcelona, Spain. As a result, we find an optimal network that can reduce the water treatment cost from 0.404 €/m³ to 0.312 €/m³. Moreover, the model allows considering the possibility of retrofitting the existing WWTP by constructing an additional treatment line and drawing the barriers for this line to achieve the targeted wastewater treatment cost. These results demonstrate that changing the role of WWTPs from an “end-of-the-pipe” solution towards a waste-to-resource route bears an unexplored potential that should be considered by all actors in the water market.
CitationLechtenberg, F. [et al.]. A MILP model for enhancing wastewater networks by introducing reclaimed wastewater usage. A: Mediterranean Congress of Chemical Engineering. "14th Mediterranean Congress of Chemical Engineering, virtual event, 16-20 Novembre". 2020, DOI 10.48158/MeCCE-14.DG.06.11. 
URIhttp://hdl.handle.net/2117/343316
DOI10.48158/MeCCE-14.DG.06.11
Publisher versionhttps://intranet.pacifico-meetings.com/amsysweb/faces/publicacionOnlineDOI.xhtml?id=572&idComunicacion=150253
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  • CEPIMA - Center for Process and Environment Engineering - Ponències/Comunicacions de congressos [77]
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  • Doctorat en Enginyeria de Processos Químics - Ponències/Comunicacions de congressos [28]
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