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Water Pollution Control and Ecological Restoration: 2nd Edition

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

Deadline for manuscript submissions: 30 November 2025 | Viewed by 403

Special Issue Editors


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Guest Editor
School of Environment, Nanjing Normal University, Nanjing, China
Interests: eutrophication; cyanobacterial blooms; ecological remediation; biogeochemistry; sediment; aquatic ecology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Life Sciences, Nanjing University, Nanjing, China
Interests: conservation biology; population ecology; community ecology; biodiversity; food web structure; Lake Taihu
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Safe and sufficient water directly determines people's health and quality of life. Due to industrial pollution, agricultural pollution, urban drainage, etc., the freshwater ecosystem has confronted eutrophication, blackening, malodor, heavy metal pollution, and other issues, which have seriously affected the quality of the urban ecological environment and the living environment of residents. This Special Issue of Water focuses on the current state of research on water pollution control, especially on the ecological restoration of degraded lakes, rivers, ponds, lagoons, etc., for the sustainable management of both urban and rural waters.

Ecological restoration techniques for improving water quality involve a mixture of physical, chemical, and technological methods, such as dredging, flushing, aeration, adsorption, disinfection and phytoremediation, and microbial remediation. Proper assemblage of multiple techniques is of practical importance to ensure the success of restoration and long-term stability. The innovation of material and equipment, the revealing of the mechanism and pathway, as well as the monitoring and evaluation of water and ecological parameters have thus brought about a continuous development momentum and research hotspots for the ecological restoration of water pollution.

This Special Issue aims to collate high-quality papers emphasizing the different aspects and findings of water pollution control and ecological restoration.

Prof. Dr. Ruiming Han
Dr. Xin Leng
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

  • water pollution
  • ecological restoration
  • lake and river
  • water quality
  • aquatic ecology

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Published Papers (1 paper)

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Research

14 pages, 5789 KB  
Article
Investigation of the Influence of Pyrolysis Temperature on the Adsorption Performance of Municipal Sludge-Derived Biochar Toward Metal Ions
by Xiaomin Yang, Quanfeng Wang, Yuanling Cheng, Long Qin, Yan Zhao, Yanglu Tang and Da Sun
Water 2025, 17(16), 2459; https://doi.org/10.3390/w17162459 - 19 Aug 2025
Viewed by 218
Abstract
In response to the growing issue of iron and manganese pollution in water bodies, this study systematically investigated the adsorption performance of municipal sludge-derived biochar prepared at pyrolysis temperatures ranging from 300 to 700 °C for the removal of Fe2+ and Mn [...] Read more.
In response to the growing issue of iron and manganese pollution in water bodies, this study systematically investigated the adsorption performance of municipal sludge-derived biochar prepared at pyrolysis temperatures ranging from 300 to 700 °C for the removal of Fe2+ and Mn2+. Among the series of adsorbents (BC300–BC700), BC600—with its well-developed pore structure and high specific surface area—exhibited the best adsorption performance for both metal ions. Kinetic and isothermal adsorption experiments, in combination with XPS characterization, collectively revealed that (1) the adsorption mechanisms of Fe and Mn differ markedly, with Fe adsorption primarily governed by physical interactions, whereas Mn adsorption is largely controlled by chemical processes; (2) Fe2+ adsorption occurs mainly via electrostatic interactions and hydrogen bonding; and (3) Mn2+ forms carbonate precipitates with C=O groups during redox reactions. Thermodynamic analysis further indicated that the adsorption process was spontaneous and endothermic. Moreover, BC600 demonstrated excellent reusability for Fe adsorption across different water matrices, maintaining efficiencies above 95% after five cycles, although the adsorption performance for Mn declined. This study provides theoretical support for the application of sludge-derived biochar as a cost-effective and efficient adsorbent for metal ion remediation. Full article
(This article belongs to the Special Issue Water Pollution Control and Ecological Restoration: 2nd Edition)
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