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Development of New Wastewater Treatments for the Efficient Removal of Micropollutants

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

Deadline for manuscript submissions: 25 November 2025 | Viewed by 702

Special Issue Editors


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Guest Editor
Department of Applied Chemistry and Physics, University of León, Campus de Vegazana s/n, 24071 León, Spain
Interests: water pollution and contamination; water purification; wastewater treatment; sustainable treatment processes; circular economy; biomass energy; biowastes management and valorization; novel materials: production, characterization and utilization
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal
Interests: wastewater treatments; sustainable treatment processes; tertiary treatments; biosorption; advanced oxidation processes; biowastes valorization (sorbent and biofilm prodution); emerging contaminants
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
REQUIMTE/LAQV, Instituto Superior de Engenharia Do Porto, Politécnico Do Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal
Interests: environmental engineering; characterization of samples (water, wastewater, surface water, soil, sludge, solid wastes); water treatment; wastewater treatment; valorization of biowastes; adsorption; advanced oxidation processes; ecotoxicity; removal of pharmaceuticals and microplastics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The scientific community, stakeholders, and policymakers are concerned with the presence of micropollutants in water bodies, and their potential chronic hazardous effects on ecosystems. Micropollutants include a wide range of substances such as pharmaceutical and perfluorinated compounds, pesticides, microplastics, trace metals, etc.

Water resources are coming under increasing pressure, leading to water scarcity and a deterioration in water quality. The reuse of properly treated wastewater, for example, from urban wastewater treatment plants, is considered to have a lower environmental impact than other alternative water supply methods. Efficient, sustainable and cost-effective treatment processes are needed to remove these micropollutants from wastewater. Such removal is necessary to safeguard public health in alignment with the One Health approach, which seeks to sustainably balance and optimize the health of humans, animals, and ecosystems. Furthermore, the effective elimination of micropollutants would enable the safe reuse of treated wastewater, thus reducing the abstraction of freshwater from surface and groundwater bodies and facilitating the more sustainable management of water resources. We would like to invite researchers to contribute to this Special Issue and share advances in wastewater treatment, potentially enhancing the circular management of water while protecting biodiversity.

Prof. Dr. Marta Otero
Dr. Olga Matos de Freitas
Dr. Sónia Figueiredo
Guest Editors

Manuscript Submission Information

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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

  • circular management of water
  • ecotoxicity
  • emerging concern contaminants
  • environmental monitoring
  • life cycle assessment
  • quaternary treatments
  • reuse of treated wastewater
  • sustainable treatment processes

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Published Papers (1 paper)

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Research

18 pages, 5852 KiB  
Article
Spatial Distribution of Heavy Metals in the Water of Tequesquitengo Lake, Morelos, Mexico, and Their Biosorption by Pectin
by S. Viridiana Vargas-Solano, Y. Yelitza Lizcano-Delgado, Francisco Rodríguez-González, Julio A. Saldivar-Calvo, Rita Martínez-Velarde, Alex Osorio-Ruiz, María Luisa Corona Rangel and Sandra S. Morales-García
Water 2025, 17(14), 2050; https://doi.org/10.3390/w17142050 - 8 Jul 2025
Viewed by 351
Abstract
In this study, the presence of heavy metals (HMs) is determined to assess surface water contamination; biosorbent materials are also used to remove them and thus improve their quality. The objective of this work was to study the spatial distribution of HMs in [...] Read more.
In this study, the presence of heavy metals (HMs) is determined to assess surface water contamination; biosorbent materials are also used to remove them and thus improve their quality. The objective of this work was to study the spatial distribution of HMs in water samples from Tequesquitengo Lake, Morelos, Mexico; pectin was also used for HM biosorption. For this, fifteen water samples were collected from the central and peripheral zones of the lake; HMs such as Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn, As, and Hg were identified and quantified by atomic absorption spectroscopy (AAS). The metal evaluation index (HEI) was calculated, as well as the percentage of HM removal with pectin. The water samples presented high concentrations of Pb, Cr, and Mn in contrast to the other HMs studied. Furthermore, these showed high concentrations (161.2, 85.2, and 65.6 µg/L, respectively) in the peripheral zone. Therefore, these values exceed the permissible limit for human consumption, except for Mn. The HEI value indicated that the lake water exhibits low contamination. After the adsorption of HMs with pectin, Cr (100%), Ni (83%) and Cd (37%) were removed, reducing the total concentration of HMs in the water in all samples. Full article
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