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Sustainability and Energy Efficiency of Urban Water Cycle

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Urban and Rural Development".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 1708

Special Issue Editors


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Guest Editor
Department of Hydraulics and Environmental Engineering, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
Interests: sustainability; urban water cycle; water–energy nexus; performance assessment
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Mathematics for Economics and Business, Uniersity of Valencia, Valencia, Spain
Interests: operational research methods; optimization; performance assessment; water economics

Special Issue Information

Dear Colleagues,

Freshwater resources are facing unprecedent pressure due to climate change, population growth, and poor management. Understanding the water–energy nexus in the urban water cycle is a challenge which has outstanding relevance in the current climatic emergency. In this context, it is vital to improve energy efficiency in the provision of drinking water and sanitation services. This can be achieved by introducing changes is the current facilities or by moving to emerging paradigms such as extreme decentralization, wastewater reuse for potable purposes, etc. In any case, ex-ante and ex-post assessment are essential to quantify economic, environmental, and social impacts of adoting new systems, policies, and tools for improving sustainability and energy efficiency in the urban water cycle.

In this Special Issue, we are seeking high-quality and novel research articles in the context of the urban water cycle in the following related topics:

  • Energy efficiency assessment;
  • Devices, innovations, or policies to improve energy efficiency;
  • Use of renewable energy sources;
  • Water–energy nexus;
  • Sustainability assessment;
  • Eco-efficiency assessment;
  • Climate resilience;
  • Nature-based solutions;
  • Life cycle assessment;
  • Life cycle cost;
  • Social life cycle assessment.

Dr. María Molinos-Senante
Prof. Dr. Ramon Sala-Garrido
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable urban water cycle
  • water-energy nexus
  • low carbon urban water cycle
  • energy efficiency
  • efficient water management
  • decentralization water management

Published Papers (1 paper)

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Research

17 pages, 3379 KiB  
Article
Investigation of Optimum Sustainable Designs for Water Distribution Systems from Multiple Economic, Operational, and Health Perspectives
by Mohamed R. Torkomany, Hassan Shokry Hassan, Amin Shoukry, Mohamed Hussein, Chihiro Yoshimura and Mohamed Elkholy
Sustainability 2023, 15(2), 1576; https://doi.org/10.3390/su15021576 - 13 Jan 2023
Viewed by 1366
Abstract
Optimizing the design of water distribution systems often faces difficulties due to continuous variations in water demands, pressure requirements, and disinfectant concentrations. The complexity of this optimization even increases when trying to optimize both the hydraulic and the water quality design models. Most [...] Read more.
Optimizing the design of water distribution systems often faces difficulties due to continuous variations in water demands, pressure requirements, and disinfectant concentrations. The complexity of this optimization even increases when trying to optimize both the hydraulic and the water quality design models. Most of the previous works in the literature did not investigate the linkage between both models, either by combining them into one general model or by selecting any representative solution to proceed from one model to another. This work introduces an integrated two-step framework to optimize both designs while investigating the reasonable network configuration selection from the hydraulic design view before proceeding to the water quality design. The framework is mainly based on a modified version of the multi-objective particle swarm optimization algorithm. The algorithm’s first step is optimizing the hydraulic design of the network by minimizing the system’s capital cost while maximizing the system’s reliability. The second step targets optimizing the water quality design by minimizing both the total consumed chlorine mass and the accumulated differences between actual and maximum chlorine concentrations for all the network junctions. The framework is applied to Safi Network in Yemen. Three scenarios of the water quality design are proposed based on the selected decision variables. The results show a superior performance of the first scenario, based on optimized 24-h multipliers of a chlorine pattern for a flow-paced booster station, compared to the other scenarios in terms of the diversity of final solutions. Full article
(This article belongs to the Special Issue Sustainability and Energy Efficiency of Urban Water Cycle)
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