Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
5.5
3.4
Journals
Water
Special Issues
Occurrence, Fate and Environmental Risk Assessment of the Contaminants of...
share announcement

Occurrence, Fate and Environmental Risk Assessment of the Contaminants of Emerging Concern

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water and One Health".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 4191

Special Issue Editors

Dr. M. Silvia Díaz-Cruz

E-Mail Website1 Website2
Guest Editor
Department of Environmental Chemistry, Instituto de Diagnóstico Ambiental y Estudios del Agua - Consejo Superior de Investigaciones Científicas (IDAEA-CSIC) Severo Ochoa Excellence Center, C/ Jordi Girona 18-26, 08034 Barcelona, Spain
Interests: wastewater treatment and reuse; analytical chemistry; environmental chemistry; contaminants of emerging concern; chromatography; mass spectrometry
Dr. Cristina Valhondo

E-Mail Website
Guest Editor
1. Géosciences Montpellier, Université de Montpellier, CNRS, 300 avenue Emile Jeanbrau CC MSE, 34095 Montpellier, France
2. Department of Geosciences, Institute of Environmental Assessment and Water Research (IDÆA-CSIC) Severo Ochoa Excellence Center, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
Interests: hydrogeology; hydrochemistry; fate; transport of contaminants of emerging concern in groundwater; artificial recharge of aquifers; design and implementation of reactive barriers

Special Issue Information

Dear Colleagues,

The presence of contaminants of emerging concern (CECs); such as pharmaceuticals and personal care products; pesticides; flame retardants; and their metabolites in aquatic ecosystems is a major challenge for the environment and human health. Advances in analytical techniques have allowed their detection in a wide range of matrices; from different types of waters to animal and plant tissues; highlighting their ubiquity; bioaccumulation; and persistence. This Special Issue features high-quality original research and comprehensive reviews on the occurrence; fate; and risk assessment of CECs in aquatic environments (including water; sediments; and biota). We encourage the submission of environmental studies dealing with transport; adsorption/desorption processes; (bio)degradation; bioaccumulation and biomagnification; ecotoxicity; and the development/application of novel targeted and nontargeted analytical methods.

Dr. M. Silvia Díaz-Cruz
Dr. Cristina Valhondo
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

  • contaminants of emerging concern
  • analytical methodology
  • monitoring
  • degradation
  • adsorption
  • toxicity
  • risk assessment

Published Papers (2 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

13 pages, 4281 KiB  
Article
Degradation of Polystyrene Nanoplastics in UV/NaClO and UV/PMS Systems: Insights into Degradation Efficiency, Mechanism, and Toxicity Evaluation
by Yishu Cai, Fan Chen, Lingfang Yang, Lin Deng and Zhou Shi
Water 2023, 15(10), 1920; https://doi.org/10.3390/w15101920 - 18 May 2023
Cited by 4 | Viewed by 1868
Abstract
Nanoplastics have gradually become a concern due to the wide use of plastics. Nanoplastics in aqueous phase can be exposed to users through water supply networks and cannot be efficiently removed by conventional water treatment processes. This work studied the degradation of polystyrene [...] Read more.
Nanoplastics have gradually become a concern due to the wide use of plastics. Nanoplastics in aqueous phase can be exposed to users through water supply networks and cannot be efficiently removed by conventional water treatment processes. This work studied the degradation of polystyrene nanoplastics (PS-NP) by two commonly used advanced oxidation systems: UV/NaClO and UV/peroxymonosulfate (PMS). Results showed that almost no turbidity was detected in the PS-NP solution (5.00 mg/L) after treated by both UV/NaClO and UV/PMS for 360 min, suggesting the excellent turbidity removal ability. Yet, scanning electron microscope (SEM) and total organic carbon (TOC) removal tests demonstrated that PS-NP could not be completely degraded by UV/NaClO. The mineralization rate using UV/NaClO was only 7.00% even when the NaClO concentration increased to 5.00 mM, and many PS-NP particles could still be observed in SEM images. By contrast, the mineralization rate reached 63.90% in the UV/PMS system under the identical experimental conditions, and no spherical particles appeared in the SEM results. Density functional theory (DFT) calculations revealed that the different reaction sites and energy barriers of SO4•− and •Cl on PS-NP resulted in the differences in mineralization rates and degradation intermediates. The degradation pathway of PS-NP by UV/NaClO and UV/PMS was proposed accordingly. Additionally, the intermediates toxicity evaluation by a luminescent bacteria test showed that the inhibition rate in the UV/NaClO system (2.97%) was not markedly different from that in the control group without any treatment (1.98%); while that in UV/PMS system increased sharply to 98.19%. This work demonstrated that UV/PMS was more effective in PS-NP degradation than UV/NaClO, and the chemical risks of degradation intermediates were non-negligible. Full article
(This article belongs to the Special Issue Occurrence, Fate and Environmental Risk Assessment of the Contaminants of Emerging Concern)
►▼ Show Figures

Figure 1

17 pages, 2183 KiB  
Article
Assessing the Feasibility of Sustainable Materials to Boost the Sorption of Pharmaceutical Active Compounds When Included in Reactive Barriers in Soil Aquifer Treatment for Water Reuse
by Cristina Valhondo, Geoffroy Duporté, Gaëlle Cabaret, David Rosain, Elena Gomez and Linda Luquot
Water 2023, 15(7), 1393; https://doi.org/10.3390/w15071393 - 4 Apr 2023
Cited by 1 | Viewed by 1767
Abstract
We evaluated the feasibility of five sustainable materials (clay, zeolite, biochar, compost, and woodchips) to be included in a reactive barrier intended to improve the removal of pharmaceutical active compounds (PhACs) during soil aquifer treatment (SAT). The potential of the five materials to [...] Read more.
We evaluated the feasibility of five sustainable materials (clay, zeolite, biochar, compost, and woodchips) to be included in a reactive barrier intended to improve the removal of pharmaceutical active compounds (PhACs) during soil aquifer treatment (SAT). The potential of the five materials to sorb PhACs was assessed and compared to sand capacity through batch experiments. Materials with high organic carbon content (biochar, compost, and woodchips) exhibited a greater capacity to sorb PhACs than materials with a low organic carbon content (clay and zeolite). The ion speciation of the molecules is a major parameter controlling the fate and transport of PhACs during SAT operations. Anionic species are the ones with the highest risk of reaching the aquifer since they are generally less sorbed compared to cationic and neutral species. Experimental parameters such as contact time, solid:water ratio, and grain size had no a significant effect on the sorption of PhACs in the studied materials. The incorporation of biochar, compost, and/or woodchips into reactive barriers will promote the sorption of PhACs and will boost the ability of the SAT system to improve the quality of the recharged water. Full article
(This article belongs to the Special Issue Occurrence, Fate and Environmental Risk Assessment of the Contaminants of Emerging Concern)
►▼ Show Figures

Graphical abstract

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-2
Back to TopTop