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Water
Special Issues
The Occurrence, Fate and Removal of Emerging Contaminants in Wastewater
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The Occurrence, Fate and Removal of Emerging Contaminants in Wastewater

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

Deadline for manuscript submissions: 20 May 2024 | Viewed by 1047

Special Issue Editors

Dr. Changqing Zhu

E-Mail Website
Guest Editor
Key Laboratory of Pesticide Environmental Assessment and Pollution Control, Nanjing Institute of Environmental Science, Ministry of Ecology and Environment, Nanjing, China
Interests: single-atom catalysis; emerging contaminant removal; advanced oxidation process; theoretical simulation; adsorption
Dr. Chen Ling

E-Mail Website
Guest Editor
College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
Interests: heavy metal; PPCPs; adsorption; polymer; biochar; interface interaction; complexed wastewater
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Emerging contaminants (ECs), such as antibiotics, endocrine disruptors and microplastics, are potentially significant threats to water safety and human health, but their monitoring and management are far from meeting the current needs.

This Special Issue focuses on ECs in wastewater and publishes research on their occurrence, fate and removal, including but not limited to the traceability analysis of ECs in wastewater treatment plants and their evolution along the treatment process, the development of advanced materials and technologies for the treatment of ECs, toxic effects and mechanisms of ECs in wastewater on biological systems and human health, and interference-resistant high-throughput detection methods of multiple species of ECs in real wastewater. The purpose is to improve the knowledge of these contaminants in wastewater and provide scientific references for their effective identification and the development of efficient control strategies.

This Special Issue will summarize the existing research on ECs in wastewater and highlight the latest research advances, in order to better clarify the research lineage concerning ECs in wastewater and point out cutting-edge directions.

Dr. Changqing Zhu
Dr. Chen Ling
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

  • emerging contaminants
  • wastewater
  • monitoring
  • management
  • treatment technology

Published Papers (1 paper)

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Research

11 pages, 1413 KiB  
Article
Fate and Proliferation of Vancomycin Resistance Genes in Two Typical Pharmaceutical Wastewater Treatment Plants
by Xinyan Guo, Xiaohui Zhang, Ni Ni, Mali Shi and Na Wang
Water 2024, 16(1), 114; https://doi.org/10.3390/w16010114 - 28 Dec 2023
Viewed by 816
Abstract
The emergence of vancomycin-resistant Enterococcus (VRE) and vancomycin resistance genes (VRGs) complicates the application of vancomycin, which is a last-line agent for human infectious diseases, and pharmaceutical wastewater treatment plants (PWWTPs) are widely thought to be important sources of corresponding antibiotic resistance genes [...] Read more.
The emergence of vancomycin-resistant Enterococcus (VRE) and vancomycin resistance genes (VRGs) complicates the application of vancomycin, which is a last-line agent for human infectious diseases, and pharmaceutical wastewater treatment plants (PWWTPs) are widely thought to be important sources of corresponding antibiotic resistance genes (ARGs). In this study, two VRGs (vanA and vanB) were evaluated in two PWWTPs using quantitative polymerase chain reaction (qPCR) analysis to characterize the occurrence and fate of VRGs. The VRG concentration tended to decrease throughout all processing stages, while anaerobic treatment promoted the propagation of antibiotic-resistant bacteria and led to an increase in VRG abundance. Finally, the absolute concentrations of vanA and vanB exceeded 104 copies/mL in the effluents, and a significant amount of VRGs was transferred to sludge at 1.68 × 1017 copies/d. Redundancy analysis demonstrated that the relative abundance of ARGs was significantly correlated with the concentrations of vancomycin and COD. Furthermore, the relative abundance of vanA was increased in wastewater with multiple antibiotics, while the relative abundance of vanB only increased in the presence of vancomycin. This observation implied different intrinsic resistance mechanisms for different VRG subtypes. Overall, in this report, we describe the first comprehensive study on the fate and behavior of VRGs with different physicochemical or biochemical treatments and different antibiotic selection pressures in PWWTPs; this report provides important references for the environmental spread of VRGs. Full article
(This article belongs to the Special Issue The Occurrence, Fate and Removal of Emerging Contaminants in Wastewater)
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