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Emerging Contaminants in Wastewater: Innovative Approaches for Remediation

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 1203

Special Issue Editors


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Guest Editor
School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: functional materials derived from solid wastes; biochar; wastewater treatment; waste management; recycling of solid wastes
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
Interests: microplastics; waste management; environmental management; plastic separation

Special Issue Information

Dear Colleagues,

The presence of emerging contaminants in wastewater has become an increasingly significant environmental concern in recent years. These contaminants, which include pharmaceuticals, pesticides, industrial chemicals, surfactants, and personal care products, are often not effectively removed by conventional wastewater treatment processes. As a result, emerging contaminants are constantly being discovered in the aquatic environment, endangering biological health. In fact, the majority of these contaminants are undetectable in municipal water systems, and by-products are constantly produced when these contaminants pass through drinking water treatment. The environmental behavior of these contaminants in wastewater has undergone a profound transformation. For instance, the aging of microplastic surfaces over time results in an increased interaction with pollutants, which presents challenges for remediation. Meanwhile, effective detection methods and targeted treatment technologies are also urgently needed. The remediation of emerging contaminants requires interdisciplinary collaboration across multiple fields, such as microbiology, environmental engineering, policy management, chemical engineering, materials science, and geochemistry.

The purpose of this Special Issue is to foster collaboration and knowledge sharing among researchers and practitioners, ultimately contributing to the development of more effective and sustainable approaches to the remediation of emerging contaminants in wastewater. The Special Issue accepts review papers, original research articles, communications, and perspective papers. Topics relevant to the scope of this Special Issue include, but are not limited to, the following:

  • Advanced treatment technologies for emerging contaminants;
  • Transport and fate of emerging contaminants;
  • Monitoring and detection methods;
  • Sustainable and cost-effective remediation strategies;
  • Environmental policies in managing emerging contaminants;
  • Implications of emerging contaminants on biological health;
  • Environmental behavior of emerging contaminants.

Prof. Dr. Chongqing Wang
Dr. Hongru Jiang
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. Sustainability 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 2400 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

  • emerging contaminants
  • remediation
  • advanced oxidation process
  • environmental heath
  • analytical methods
  • microplastics
  • antibiotics
  • persistent organic pollutants
  • endocrine disruptors

Published Papers (1 paper)

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Review

28 pages, 4137 KiB  
Review
Microplastics in Water: A Review of Characterization and Removal Methods
by Yun Li, Ping Chen, Yalan Tang, Yanjing Yang, Chengyun Zhou, Jiaqi Bu and Shian Zhong
Sustainability 2024, 16(10), 4033; https://doi.org/10.3390/su16104033 - 11 May 2024
Viewed by 906
Abstract
Microplastics (MPs), as an emerging persistent pollutant, exist and accumulate in the environment, which has garnered them considerable global attention. While the origin, dispersion, distribution, and impact of MPs have been extensively documented, the characterization and removal strategies for MPs present ongoing challenges. [...] Read more.
Microplastics (MPs), as an emerging persistent pollutant, exist and accumulate in the environment, which has garnered them considerable global attention. While the origin, dispersion, distribution, and impact of MPs have been extensively documented, the characterization and removal strategies for MPs present ongoing challenges. In this literature review, we introduce in detail the advantages and disadvantages of seven characterization methods, from macroscopic to microscopic, from visual observation to microscopic characterization, and discuss their scope of application. In addition, 12 treatment schemes were summarized from the three treatment directions of physics, chemistry, and biology, including filtration, adsorption, extraction, magnetic separation, oil film separation, Fenton oxidation, electrochemical oxidation, persulfate advanced oxidation, photocatalytic oxidation, coagulation, electrocoagulation, foam flotation, anaerobic–anoxic–aerobic activated sludge, enzymatic degradation, bacterial degradation, and fungal degradation. Additionally, we present a critical assessment of the advantages and drawbacks associated with these removal strategies. Building upon the findings of our research team, we propose a novel approach to degrade MPs, which combines three-dimensional electrocatalytic oxidation technology with persulfate advanced oxidation technology. This advanced oxidation technology achieves 100% degradation of antibiotics in water, can degrade large molecules into environmentally harmless small molecules, and should also be a very good strategy for the degradation of MPs. Compared with two-dimensional electrocatalytic technology, the degradation efficiency is higher and the degradation cost is lower This review intends to propel further advancements for addressing the issue of MP pollution. Full article
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