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Research on Water Supply Systems and on the Treatment and Recovery of Wastewater and Stormwater

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

Deadline for manuscript submissions: 20 December 2025 | Viewed by 1773

Special Issue Editors


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Guest Editor
Department of Civil Engineering, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal
Interests: hydraulics; water resources; environmental management; urban water; water quality; water and wastewater treatment; pollution control

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Guest Editor
Laboratory of Energy Efficiency in Buildings, Department of Civil Engineering, Federal University of Santa Catarina, Campus Universitario, Trindade, Florianópolis 88040-900, SC, Brazil
Interests: stormwater harvesting; water consumption in buildings; water efficiency; rainwater use in buildings; sustainability; permeable pavements; energy efficiency; buildings; climate change
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Guest Editor
Department of Environment and Planning, Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: environmental technologies; analytical chemistry; water and air quality; toxicity of environmental samples
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water supply systems for human consumption and other uses currently face enormous challenges, spanning from the planning and design phases to the operation, maintenance and rehabilitation stages. Moreover, water systems are greatly impacted by climate change. Indeed, issues relating to the following areas are currently of paramount importance: (i) availability and scarcity of water resources; (ii) water quality both at available sources and at end consumers; (iii) requirements for adequate pre- and post-use treatments of water, particularly to preserve public health and environmental sustainability; (iv) adequate design, operation and management of public water infrastructures, including treatment plants, pumping facilities, storage reservoirs and distribution networks; and (v) resilience of systems to increasing anthropogenic imbalances, as well as to natural hazards and risks. This Special Issue of Water, entitled “Research on water supply systems and on the treatment and recovery of wastewater and stormwater”, welcomes original papers—either as full research articles, technical notes or case studies—and review articles, with a special focus on the emerging theme related to the availability of water in quality and quantity (including non-conventional sources) for human consumption and the development of other human activities. We will also aim to outline the recent advances in research on the planning, design, operation, maintenance and rehabilitation of water systems and their infrastructures in urban environments.

Prof. Dr. António Manuel Abreu Freire Diogo
Prof. Dr. Enedir Ghisi
Dr. Célia dos Anjos Alves
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. 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

  • water supply systems
  • water resources management
  • non-conventional water sources
  • water supply networks
  • urban water infrastructures planning
  • design and rehabilitation
  • water quality
  • water treatment
  • public health
  • wastewater treatment and reuse
  • stromwater harvesting
  • environemtal sustainability

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Published Papers (1 paper)

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Research

19 pages, 2988 KiB  
Article
Action of Low-Density Polyethylene Microspheres in the Transport of Metformin Hydrochloride in Aqueous Medium Through Adsorption and Desorption
by Luanna Gláucia Guimarães, Renata Medici Frayne Cuba and Francisco Javier Cuba Teran
Water 2024, 16(22), 3332; https://doi.org/10.3390/w16223332 - 20 Nov 2024
Viewed by 739
Abstract
The present study addresses the issue of transporting pharmaceuticals via microplastics in aquatic environments. For this purpose, the adsorption and desorption of metformin hydrochloride (MET), a hydrophilic compound, on polyethylene microspheres (PMEs) were studied via batch adsorption and desorption capacity and kinetics tests. [...] Read more.
The present study addresses the issue of transporting pharmaceuticals via microplastics in aquatic environments. For this purpose, the adsorption and desorption of metformin hydrochloride (MET), a hydrophilic compound, on polyethylene microspheres (PMEs) were studied via batch adsorption and desorption capacity and kinetics tests. The adsorption test results indicated minimal influence of pH values above 5, alongside a decrease in adsorption capacity with an increasing mass of PMEs. The Freundlich model best represented the adsorption capacity data; however, values of n < 1 (0.6) and low K suggest a decrease in the sorption affinity of MET with increasing initial MET concentration and a low affinity of MET for PM beads. The rate and equilibrium of adsorption were fast, and the results adequately fit the pseudo-first- and pseudo-second-order models, suggesting that physical and chemical mechanisms contributed to the adsorption of MET onto the PEMs under the conditions of this study. The desorption equilibrium result was 1.3 mg g−1 ± 0.04 mg g−1, without significant change, regardless of the initial amount of adsorbed MET. However, the desorption percentage varied between 26.14% and 7.01% as a function of the amount. of MET adsorbed onto the PMEs. These results suggest that PMEs could be potential vectors of MET transport in aquatic environments. Full article
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