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Water
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Fate, Transport, Removal and Modeling of Pollutants in Water
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Fate, Transport, Removal and Modeling of Pollutants in Water

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

Deadline for manuscript submissions: 5 November 2024 | Viewed by 1407

Special Issue Editor

Dr. Nelson M. Anaya

E-Mail Website
Guest Editor
1. Department of Mechanical and Electrical Engineering, Wilkes University, Wilkes-Barre, PA 18766, USA
2. Department of Civil and Environmental Engineering, Wilkes University, Wilkes-Barre, PA 18766, USA
Interests: water quality; toxicity; nanomaterials; fluid dynamics; transport of pollutants; adaptation of contaminants on microorganisms; structures corrosion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The scope of discussion of this Special Issue includes, but is not limited to, understanding the fate, transport, removal and modeling of traditional and emerging pollutants in water. Every day, a greater concentration of pollutants is found not only in water bodies but also in different compartments such as air and sediments. 

Natural and anthropogenic factors can lead to the reduction in clean drinking water supplies. For instance, long droughts, surges in annual rainfall and natural disasters impact the quality and availability of our water sources. On the other hand, the overexploitation of natural resources, the use of pesticides, the presence of chlorinated solvents, the lack of new regulations to address emerging pollutants, processes that are not sustainable for the environment and the lack of or incomplete life cycle analysis are examples of serious human-made threats for the current and coming generations. 

At this point, it is relevant to identify, understand and re-evaluate several of the important environmental effects of water pollutants on humans and ecosystems. In addition to developing recommendations, regulations and appropriate methodologies are required to identify, track and remediate concentrations of pollutants in water. This Special Issue will update the state of the art and partially fill the knowledge gap on these contaminants in water.

Dr. Nelson M. Anaya
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

  • remediation
  • water quality
  • modeling
  • fate and transport
  • pollutants
  • emerging pollutants
  • contamination

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Published Papers (2 papers)

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Research

16 pages, 3069 KiB  
Article
Source-Oriented Health Risks and Distribution of BTEXS in Urban Shallow Lake Sediment: Application of the Positive Matrix Factorization Model
by Ivana Trajković, Milica Sentić, Jelena Vesković, Milica Lučić, Andrijana Miletić and Antonije Onjia
Water 2024, 16(16), 2302; https://doi.org/10.3390/w16162302 - 15 Aug 2024
Viewed by 543
Abstract
The degradation of sediments in urban environments worldwide is driven by population growth, urbanization, and industrialization, highlighting the need for thorough quality assessment and management strategies. As a result of these anthropogenic activities, benzene, toluene, ethylbenzene, xylenes, and styrene (BTEXS) are persistently released [...] Read more.
The degradation of sediments in urban environments worldwide is driven by population growth, urbanization, and industrialization, highlighting the need for thorough quality assessment and management strategies. As a result of these anthropogenic activities, benzene, toluene, ethylbenzene, xylenes, and styrene (BTEXS) are persistently released into the environment, polluting sediment. This study employed self-organizing maps (SOMs), positive matrix factorization (PMF), and Monte Carlo simulation of source-oriented health risks to comprehensively investigate sediment in an urban shallow lake in a mid-sized city in central Serbia. The results indicated a mean ∑BTEXS concentration of 225 µg/kg, with toluene as the dominant congener, followed by m,p-xylene, benzene, ethylbenzene, o-xylene, and styrene. Three contamination sources were identified: waste solvents and plastic waste due to intensive recreational activities, and vehicle exhaust from heavy traffic surrounding the lake. Both non-carcinogenic and carcinogenic health risks were below the permissible limits. However, children were more susceptible to health risks. Benzene from vehicle exhaust is the most responsible for non-carcinogenic and carcinogenic health risks in both population groups. The results of this study can help researchers to find a suitable perspective on the dynamics and impacts of BTEXS in lake sediments. Full article
(This article belongs to the Special Issue Fate, Transport, Removal and Modeling of Pollutants in Water)
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11 pages, 1123 KiB  
Article
Enhancing Point-of-Use Sand Filters through Integration of Copper Mesh
by Varun K. Kasaraneni, Nelson M. Anaya and Maria Taliani
Water 2024, 16(15), 2188; https://doi.org/10.3390/w16152188 - 1 Aug 2024
Viewed by 621
Abstract
Ensuring access to safe drinking water remains a crucial global challenge, particularly in low-income and developing regions. Point-of-use (POU) sand filters, known for their affordability and efficiency, hold promise for improving water quality. This study explores the use of copper mesh (M-Cu) as [...] Read more.
Ensuring access to safe drinking water remains a crucial global challenge, particularly in low-income and developing regions. Point-of-use (POU) sand filters, known for their affordability and efficiency, hold promise for improving water quality. This study explores the use of copper mesh (M-Cu) as a disinfectant in sand filters, focusing on its effectiveness against Escherichia coli (E. coli). Through a series of experiments—kinetic, batch, and column—we investigated the impact of M-Cu on bacterial inactivation. Our findings reveal that the contact time between the M-Cu and bacteria is more critical than the M-Cu mass for achieving significant microbial reduction. Specifically, 1.0 g of M-Cu can substantially reduce E. coli levels, achieving log removal values (LRVs) between 2.03 and 4.81 after 30 min of exposure, across initial bacterial concentrations ranging from 102 to 106 CFU/100 mL. For sand filter testing under dynamic conditions, columns containing 1.0 g of M-Cu achieved a 3.1 LRV, significantly outperforming control columns, which only achieved a 0.6 LRV. These results support the integration of M-Cu into sand filters as a viable strategy for enhancing microbial safety in water treatment, potentially reducing waterborne disease incidence in vulnerable populations. Full article
(This article belongs to the Special Issue Fate, Transport, Removal and Modeling of Pollutants in Water)
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