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Research on Wastewater Treatment, Recycling and Reuse

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 31 December 2026 | Viewed by 1107

Special Issue Editors


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Guest Editor
Department of Inorganic Chemistry and Chemical Engineering, Universidad de Córdoba, Cordoba, Spain
Interests: wastewater treatment; water quality; sludge treatment; waste management; odour emissions; environmental pollution; environmental impact assessment
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Sustainable Processes (ISP) and Department of Chemical Engineering and Environmental Technology, University of Valladolid, Valladolid, Spain
Interests: wastewater treatment; odour control; waste valorisation; circular economy; environmental pollution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The increasing global demand for water, driven by population growth, industrial expansion, and intensified agricultural activities, has led to a significant rise in wastewater generation. This scenario calls for the development of effective and sustainable strategies—both for wastewater treatment, and also for its recycling and reuse. Addressing these challenges is crucial to protecting public health, conserving natural resources, and promoting environmental sustainability.

Wastewater treatment involves a range of physical, chemical, and biological processes aimed at removing pollutants and ensuring that the treated effluent meets discharge or reuse standards. Beyond conventional treatment, the recovery and reuse of treated wastewater represent key steps towards the development a circular economy, reducing freshwater demand and minimizing environmental impact. Additionally, the proper management of treatment by-products, such as sludge, is essential to achieving holistic wastewater management.

This Special Issue of Water aims to gather original research and review articles, focused on innovative technologies, strategies, and practices in the treatment, recycling, and reuse of wastewater. Topics of interest include, but are not limited to advanced treatment technologies, thr development of novel materials for contaminant removal, water reclamation systems, decentralized reuse applications, resource recovery from wastewater streams, odour prevention and control strategies in wastewater treatment plants, and sustainable sludge management. We are especially keen to publish manuscripts addressing integrated approaches and interdisciplinary solutions that support water reuse in municipal, industrial, and agricultural contexts.

Dr. Manuel Toledo Padrón
Dr. Sara Sáez-Orviz
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 250 words) can be sent to the Editorial Office for assessment.

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

  • wastewater treatment
  • physicochemical treatment
  • biological treatment
  • terciary treatment
  • odour control
  • waste management
  • pollutant removal
  • municipal wastewater
  • industrial wastewater
  • agricultural wastewater
  • resource recovery
  • water reuse

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Published Papers (1 paper)

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Research

22 pages, 1719 KB  
Article
Treatment Reliability When Reusing Reclaimed Water for Irrigation: A Risk Assessment, Ranking and Management Methodology
by Paola Verlicchi, Vittoria Grillini, Aurora Bosi and Alessio Galletti
Water 2026, 18(5), 627; https://doi.org/10.3390/w18050627 - 6 Mar 2026
Viewed by 487
Abstract
Water reuse may pose risks to the environment and human health due to pathogens or chemical pollutants (hazards) in reclaimed water arising from treatment or distribution system failures (hazardous events). In this context, the European Regulation EU 2020/741 requires the development of a [...] Read more.
Water reuse may pose risks to the environment and human health due to pathogens or chemical pollutants (hazards) in reclaimed water arising from treatment or distribution system failures (hazardous events). In this context, the European Regulation EU 2020/741 requires the development of a Risk Management Plan (RMP) from the source to the irrigated fields. This study proposes a methodology to assess and manage the risk to guarantee a reliable treatment able to produce an effluent adequate for reuse. It combines Failure Mode and Effect Analysis (FMEA) with a Risk Priority Number (RPN) approach. FMEA identifies failure modes for the treatment components (hazardous events), their consequences for the system, and the hazards for environment and human health. The RPN measures the failure risk by the product of the likelihood of occurrence L, magnitude of effects M and ease of detection D for each failure. Due to a lack of data, L, M and D are estimated through scores. Failure risks are classified as low, medium, high and very high. The last step is the revision of existing corrective actions or the adoption of new ones to reduce the risk of critical failures (highest RPN). This methodology is applied to a large wastewater treatment plant (Class A technology, according to EU 2020/741). Out of the 303 failure modes identified for the 86 components, 12 are the most critical (very high risk) and the suggested additional corrective actions reduce L and/or D and thus M. This methodology supports an RMP for similar or more complex treatment plants. Full article
(This article belongs to the Special Issue Research on Wastewater Treatment, Recycling and Reuse)
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