Identification, Formation and Toxicity of Emerging Disinfection Byproducts in Drinking Water

A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Emerging Contaminants".

Deadline for manuscript submissions: 25 October 2024 | Viewed by 626

Special Issue Editor

School of Public Health, Suzhou Medical College, Soochow University, Suzhou, China
Interests: disinfection byproducts; water and wastewater treatment; drinking water quality; risk assessment; environmental monitoring

Special Issue Information

Dear Colleagues,

Drinking water is a daily life necessity and basic need for human beings, while disinfection byproducts showed a great adverse impact on drinking water safety and the health of human beings. This Special Issue is proposing to publish a series of research articles regarding the identification, analysis, formation, and toxicity of emerging disinfection byproducts in drinking water. In addition, high-quality review papers that concern the research progress and prospects of non-targeted, suspected, and target analysis of emerging disinfection byproducts, as well as their formation, occurrence, and toxicity, are also welcomed. Although this Special Issue focuses broadly on research papers presenting innovative approaches to the study of disinfection byproducts or reviews that bring the field forward, other recent developments regarding conventional monitoring, human exposure, or human health risk assessment studies of disinfection byproducts are also welcomed.

Dr. Jiafu Li
Guest Editor

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Keywords

  • disinfection byproducts
  • drinking water
  • identification
  • analytical method
  • toxicity
  • human exposure
  • human health risk assessment

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Published Papers (1 paper)

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Research

11 pages, 1350 KiB  
Article
The Selectively Nontargeted Analysis of Halogenated Disinfection Byproducts in Tap Water by Micro-LC QTOFMS
by Jing Wu, Yulin Zhang, Qiwei Zhang, Fang Tan, Qiongyu Liu and Xiaoqiu Yang
Toxics 2024, 12(9), 630; https://doi.org/10.3390/toxics12090630 - 26 Aug 2024
Viewed by 396
Abstract
With the rapid development of society, more and more unknown halogenated disinfection byproducts (DBPs) enter into drinking water and pose potential risks to humans. To explore the unknown halogenated DBPs in tap water, a selectively nontargeted analysis (SNTA) method was developed by conducting [...] Read more.
With the rapid development of society, more and more unknown halogenated disinfection byproducts (DBPs) enter into drinking water and pose potential risks to humans. To explore the unknown halogenated DBPs in tap water, a selectively nontargeted analysis (SNTA) method was developed by conducting micro-liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (micro-LC-QTOFMS). In this method, two runs were employed: in the first run, the modes of TOFMS and precursor ion (the fragments were set as Cl35/Cl37, Br79/Br81, and I126.9) were performed, and the molecular ions or precursor ions of the halogenated organics could be obtained; in the second run, the product ion mode was conducted by setting the molecular ion screened above, and the MS/MS spectrums could be acquired to speculate concerning the structure. Two kinds of model DBPs (one kind had an aliphatic structure and the other was an aromatic compound) were used to optimize the parameters of the MS, and their MS characteristics were summarized. With this SNTA method, 15 halogenated DBPs were screened in two tap water samples and their structures were proposed. Of them, six DBPs had not been reported before and were assumed to be new DBPs. Overall, the detected halogenated DBPs were mostly acidic substances. Full article
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