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Water Environment Pollution and Control, 4th Edition

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

Deadline for manuscript submissions: 20 October 2025 | Viewed by 49

Special Issue Editors

State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
Interests: water environment phenomena in the ice season; traceability analysis for pollution; eutrophic lakes; organic matter; biochar
Special Issues, Collections and Topics in MDPI journals
Environment Research Institute, Shandong University, Qingdao 266237, China
Interests: environmental behavior and ecological effects of emerging contaminants; environmental remediation and safety
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Dissolved organic matter (DOM) is a complicated component of water environments and plays an important role in the process of material circulation and energy exchange in the ecosystem. It is widely known that DOM tends to interact with pollutants in water, such as heavy metals, organic pollutants, nanomaterials, and micro/nano plastics, thus altering their environmental processes, such as speciation, transport, transformation, and bioavailability. With a particular focus on challenging and popular topics in the field, this Special Issue will focus on the interactions between DOM and pollutants. It aims to address the effects of DOM in water environments on environmental behavior and bioavailability, sharing important knowledge and providing a scientific foundation for the control and management of pollution in water environments. It is anticipated that groundbreaking research methods, as well as the innovative research ideas detailed in this Special Issue, will benefit scholars working in the fields of environmental pollution, the ecosystem, and human health.

Dr. Weiying Feng
Dr. Fang Yang
Dr. Jing Liu
Guest Editors

Manuscript Submission Information

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Keywords

  • dissolved organic matter
  • water pollution
  • nitrogen and phosphorus
  • heavy metals
  • toxicity
  • microbial
  • nanomaterials
  • lake eutrophication

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Published Papers (1 paper)

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Research

17 pages, 3284 KiB  
Article
Vertical Binding Characteristics Between Dissolved Organic Matter and Heavy Metals in the Upper Reaches of the Yangtze River Using EEM-PARAFAC and 2D-FTIR-COS
by Xihuan Wang, Tiansen Zou, Weibo Zhang, Yili Fan and Yingchen Bai
Water 2025, 17(9), 1359; https://doi.org/10.3390/w17091359 (registering DOI) - 30 Apr 2025
Abstract
Dissolved organic matter (DOM) exerts a significant influence on the environmental behavior of heavy metals in water. This study investigated the spatial distribution characteristics of DOM in the upper reaches of the Yangtze River and its vertical (0–10 m) binding behavior with heavy [...] Read more.
Dissolved organic matter (DOM) exerts a significant influence on the environmental behavior of heavy metals in water. This study investigated the spatial distribution characteristics of DOM in the upper reaches of the Yangtze River and its vertical (0–10 m) binding behavior with heavy metals. The results indicated that humic acid-like substances dominated the DOM composition in the river water, exhibiting spatial variability horizontally, with a higher proportion of protein-like components observed at the depth of 8 m. The DOM showed complexation affinity (LogK) values were 4.71–6.38 for Cu2⁺ and 4.27–6.26 for Hg2⁺, with the protein-like component C3 exhibiting higher LogK values when binding with Cu2⁺ or Hg2⁺ compared to humic-like components. The LogKCu and LogKHg varied distinctly with water depth, and at 8 m depth, humus-like component C1 exhibited stronger binding affinity for Hg2⁺, whereas protein-like component C3 showed greater affinity for Cu2⁺. The 2D-FTIR-COS analysis revealed that, in the DOM-Cu complexes, DOM from surface water preferentially bound to O-H groups of carbohydrates, phenols, and carboxylic acids, while deep water DOM favored C=O groups in amides; for DOM–Hg complexes, the active binding sites varied distinctly with depth. This study provides novel insights into the migration and transformation mechanisms of heavy metals in rivers. Full article
(This article belongs to the Special Issue Water Environment Pollution and Control, 4th Edition)
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