Urban Water Pollution Control: Theory and Technology

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Urban Water Management".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 986

Special Issue Editors


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Guest Editor
School of Environment, Suzhou University of Science and Technology, Suzhou 215009, China
Interests: urban water pollution control; coagulation; adsorption; advanced oxidation; ecological restoration; environmental functional materials
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Guest Editor
Nanjing Institute of Environmental Sciences, Nanjing, China
Interests: water and wastewater treatment; coagulation; flocculation; adsorption; membrane technology; advanced oxidation; ecological restoration

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Guest Editor
School of Worship, Suzhou University of Science and Technology, Suzhou, China
Interests: advanced oxidation process; water purification; algal dewatering and resource utilization

Special Issue Information

Dear Colleagues,

Continuous urbanization and industrialization have led to an increase in stormwater runoff, which has resulted in the discharge of heavy metals, nutrients, and organic chemicals. Transporting pollutants into water systems can harm both human health and aquatic species. Therefore, it is necessary to investigate the theory and technology of pollutant control in urban water.

The purpose of this Topic “Urban Water Pollution Control: Theory and Technology” is to review the properties and transport and fate of pollutants in urban aquatic systems, list and discuss occurrence and treatment efficiencies, develop new ways, i.e., low-impact development and sponge city to control the conventional pollutants and micropollutants, and provide a report of status and research needs on aquatic and multimedia models.

Papers are welcome on topics including, but not limited to, the following:

  • Theory of Fate and Transport of Pollutants in Urban Water;
  • Control Strategies and Theory;
  • Emerging Pollutants in Water;
  • Low-impact Development and Sponge City;
  • Physical–chemical Remediation;
  • Microbial Remediation;
  • Ecological Restoration;
  • Emergency Restoration Method;
  • Climate Change and Resource Recovery;
  • Water Quality Monitoring.

In this field, research papers, reviews, and short communications will be accepted. Concerning original articles, only studies concerning the evaluation of environmental concentrations or, in general, with a high ecological impact will be considered. This Topic will aim to collect articles that contribute to filling the knowledge gap related to the fate and transport of pollutants in urban water.

Dr. Bingdang Wu
Dr. Yonghai Gan
Dr. Jingjing Yang
Guest Editors

Manuscript Submission Information

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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

  • micropollutants
  • urban water
  • remediation
  • low-impact development
  • sponge city
  • constructed wetland

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Published Papers (1 paper)

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Research

21 pages, 15270 KiB  
Article
Adsorption Removal of Organophosphates from Water by Steel Slag: Modification, Performance, and Energy Site Analysis
by Wei Wu, Yiming Nie, Zhixin Wang, Tianyin Huang, Xiaoyi Xu, Hanhan Liu, Peirong Li and Bingdang Wu
Water 2024, 16(21), 3145; https://doi.org/10.3390/w16213145 - 3 Nov 2024
Viewed by 784
Abstract
Organophosphates are a type of emerging environmental contaminant, which can be removed effectively by adsorption. Here, modified steel slag was examined for its adsorptive performance in the removal of hydroxyethylidene diphosphonic acid (HEDP) from water. Compared to acid (55.3%, maximum removal rate) and [...] Read more.
Organophosphates are a type of emerging environmental contaminant, which can be removed effectively by adsorption. Here, modified steel slag was examined for its adsorptive performance in the removal of hydroxyethylidene diphosphonic acid (HEDP) from water. Compared to acid (55.3%, maximum removal rate) and base (85.5%) modification, high-temperature modification (90.6%) significantly enhanced steel slag’s adsorption capacity for HEDP, surpassing that of unmodified slag (71.2%). Kinetic analyses elucidated a two-phase adsorption process—initial rapid adsorption followed by a slower equilibrium phase. The results of adsorption energy analysis showed that modified steel slag preferentially occupied the sites with higher energy, which promoted the adsorption. After five regeneration cycles, the adsorption properties of the material were not significantly reduced, which indicates that the material has good application potential. Microscopic and spectroscopic techniques, including SEM-EDS, FTIR, and XPS, were employed to uncover the surface chemistry and structural changes responsible for the enhanced adsorption efficiency. The adsorption mechanism of HEDP on steel slag is a complete process guided by hydrogen bonding interactions, strengthened surface complexation, and optimized ligand exchange. This study advances the sustainable utilization of industrial waste materials and contributes significantly to the development of innovative water treatment technologies. Full article
(This article belongs to the Special Issue Urban Water Pollution Control: Theory and Technology)
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