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Water
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Sustainable Water and Energy Use
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Sustainable Water and Energy Use

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water-Energy Nexus".

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 8632

Special Issue Editor

Prof. Dr. Sajjad Ahmad

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering and Construction, University of Nevada, Las Vegas, Box 454015, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4015, USA
Interests: water–energy nexus; hydroinformations; stormwater management; flood modeling and management; system dynamics

Special Issue Information

Dear Colleagues,

The treatment and delivery of drinking water, collection, treatment and disposal of wastewater, and collection and disposal of stormwater in urban areas are all energy-intensive processes. Depending on the fuel mix, this energy use results in carbon emissions. For sustainability, there is a need to efficiently use and reuse water, and reduce energy use and the related carbon footprint in the urban water cycle. This may take many forms, including but not limited to, using renewable energy for water production and treatment, energy recovery in the water system, efficient use and reuse of water, and smart technologies to reduce water use and, as a result, imbeded energy.

Prof. Dr. Sajjad Ahmad
Guest Editor

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. Water 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 2600 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

  • energy use for drinking water treatment
  • energy use for wastewater treatment
  • energy use for water distribution
  • water use for energy production
  • cooling water requirements
  • renewable energy
  • sustainability
  • water–energy nexus
  • urban water management
  • water reuse
  • energy recovery

Published Papers (3 papers)

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Research

12 pages, 518 KiB  
Article
Strategies for Achieving Sustainability of Water Supply Systems in Rural Environments with Community Management in Brazil
by Anna Virginia Muniz Machado, Pedro A. D. Oliveira, Patrick G. Matos and Ana Silva Pereira Santos
Water 2023, 15(12), 2232; https://doi.org/10.3390/w15122232 - 14 Jun 2023
Viewed by 2459
Abstract
An urban–rural dichotomy currently exists in policy documentation, accessibility to resources, and human rights. In Brazil, there remains a significant deficit in water and sanitation services coverage, particularly in rural areas. To achieve universal access to water, the legal framework addresses the development [...] Read more.
An urban–rural dichotomy currently exists in policy documentation, accessibility to resources, and human rights. In Brazil, there remains a significant deficit in water and sanitation services coverage, particularly in rural areas. To achieve universal access to water, the legal framework addresses the development of decentralization actions and co-participation in management. As a result, a community-managed water supply (CMWS) has emerged as the social tool in which the community effectively participates in decision-making and oversees the operation and maintenance of water systems. The long-term sustainability of these systems is affected by critical factors in implementation, management, and maintenance. However, no strategic plan exists to solve/mitigate the critical factors commonly associated with CMWS. We proposed an action plan with multiscale intersectoral management strategies to guarantee water security for rural populations. The strategies were separated into areas of responsibility discussed in the recent literature and evaluated by experts. The strategies at the national level were related to institutional aspects and policy formulation. At the local level, the strategies were related to supporting CMWS from project implementation to post-construction. Finally, at the community level, the strategies were related to the quality and financial recognition of the services. Full article
(This article belongs to the Special Issue Sustainable Water and Energy Use)
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28 pages, 5178 KiB  
Article
Ambiguity, Familiarity and Learning Behavior in the Adoption of ICT for Irrigation Management
by Francesco Cavazza, Francesco Galioto, Meri Raggi and Davide Viaggi
Water 2022, 14(22), 3760; https://doi.org/10.3390/w14223760 - 19 Nov 2022
Cited by 1 | Viewed by 1406
Abstract
Subjective behavior of decision makers (DMs) is paramount when modeling information and communication technology (ICT) adoption choices in irrigated agriculture. Here, efficient ICT-aided irrigation plans often involve a certain degree of uncertainty, and differential attitudes toward it can cause uncoordinated actions between actors. [...] Read more.
Subjective behavior of decision makers (DMs) is paramount when modeling information and communication technology (ICT) adoption choices in irrigated agriculture. Here, efficient ICT-aided irrigation plans often involve a certain degree of uncertainty, and differential attitudes toward it can cause uncoordinated actions between actors. Some DMs will implement ICT information, while others will not because they do not trust ICT reliability. This risks undermining the achievement of ICT benefits in terms of water saving at the irrigation district level. By distinguishing between different sources of uncertainty, taking the form of risk and ambiguity, in the present paper, we developed a new decision model to assess the impact that subjective behavior and learning processes have on the efficiency of ICT-aided irrigation plans. A case study was selected to implement the model in simplified settings. The results revealed the potential of ambiguity to limit ICT information implementation and to hinder water governance. Implications mainly concern the development of uncertainty management policies to favor DMs becoming familiar with the new ICT with lower ambiguity. Full article
(This article belongs to the Special Issue Sustainable Water and Energy Use)
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21 pages, 22627 KiB  
Article
Sustainable Economic Solution to Prevent the Wasted Cold Water in the Start of Shower Time Using Low Cost In-Line Electrical Heater with MISO Fuzzy Logic Controller
by Muhammad M. A. S. Mahmoud
Water 2021, 13(11), 1552; https://doi.org/10.3390/w13111552 - 31 May 2021
Cited by 2 | Viewed by 3572
Abstract
This paper discusses domestic problem of waiting hot water for the shower use till it reaches satisfactory temperature, which result a lot of wastage in fresh water. The outcome from research survey shows that there is no satisfactory solution till now as all [...] Read more.
This paper discusses domestic problem of waiting hot water for the shower use till it reaches satisfactory temperature, which result a lot of wastage in fresh water. The outcome from research survey shows that there is no satisfactory solution till now as all solutions were either expensive or with no effective results. Local small inline electric heater equipped with fuzzy logic controller is proposed in this paper to be installed just before the showerhead to measure the water temperature and flow before the showerhead, as control input-variables, and decide the operating voltage of the heater, as control output-variable. Matlab Simulink is used to model the proposed system. Different test cases are simulated to prove the performance and the safe operation of the system. Techno-economic study is carried out to determine the “Direct Benefits” and “Indirect Benefits” that can be achieved if such system is implemented in wide range. Azerbaijan data is taken as an example to calculate the economic benefits. The results show important benefits not only for economy, that can increase fresh water sales opportunity to 545,088,171.52 $, but also for climate and the reduction of greenhouse gas emission. Different economic indices are provided to be an easy reference for decision makers and project managers. Full article
(This article belongs to the Special Issue Sustainable Water and Energy Use)
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