Performance assessment of water reuse strategies using integrated framework of urban water metabolism and water-energy-pollution nexus

Landa-Cansigno, Oriana, Behzadian Moghadam, Kourosh ORCID: https://orcid.org/0000-0002-1459-8408, Davila-Cano, Diego and Campos, Luiza (2019) Performance assessment of water reuse strategies using integrated framework of urban water metabolism and water-energy-pollution nexus. Environmental Science and Pollution Research. ISSN 0944-1344

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Abstract

This paper evaluates the metabolism-based performance of a number of centralised and decentralised water reuse strategies and their impact on integrated urban water systems (UWS) based on the nexus of water-energy-pollution. The performance assessment is based on a comprehensive and quantitative framework of urban water metabolism developed for integrated UWS over a long-term planning horizon. UWS performance is quantified based on the tracking down of mass balance flows/fluxes of water, energy, materials, costs, pollutants, and other environmental impacts using the WaterMet2 tool. The assessment framework is defined as a set of key performance indicators (KPIs) within the context of the water-energy-pollution nexus. The strategies comprise six decentralised water reuse configurations (greywater or domestic wastewater) and three centralised ones, all within three proportions of adoption by domestic users (i.e. 20, 50, and 100%). This methodology was demonstrated in the real-world case study of San Francisco del Rincon and Purisima del Rincon cities in Mexico. The results indicate that decentralised water reuse strategies using domestic wastewater can provide the best performance in the UWS with respect to water conservation, green house gas (GHG) emissions, and eutrophication indicators, while energy saving is almost negligible. On the other hand, centralised strategies can achieve the best performance for energy saving among the water reuse strategies. The results also show metabolism performance assessment in a complex system such as integrated UWS can reveal the magnitude of the interactions between the nexus elements (i.e. water, energy, and pollution). In addition, it can also reveal any unexpected influences of these elements that might exist between the UWS components and overall system.

Item Type: Article
Additional Information: The authors acknowledge the information providedby the wastewater utility in Rincon cities (SITRATA), the potable waterutility in Purisima del Rincon (SAPAP), the water utility in San Franciscodel Rincon (SAPAF), the Guanajuato State Water Commission (CEAG),National Water Commission (CONAGUA), and National MeteorologicalService (SMN), all in Mexico. Oriana Landa received a scholarship from the Mexican Science and Technology Council CONACYT (220075), the Mexican Public Education Secretary (SEP), and University College London.
Uncontrolled Keywords: Water-energy-pollution nexus, Urban water systems, Centralised and decentralised water reuse strategies, Urbanwater metabolism
Subjects: Construction and engineering > Civil and environmental engineering
Depositing User: Kourosh Behzadian Moghadam
Date Deposited: 29 May 2019 20:48
Last Modified: 30 May 2019 08:55
URI: http://repository.uwl.ac.uk/id/eprint/6112

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