Application of Composite Materials in Wastewater Treatment

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Materials in Separation Science".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 623

Special Issue Editors


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Guest Editor
Department of Environmental Science and Engineering, Fuzhou University, Fuzhou 350108, China
Interests: advanced oxidation processes; water treatment; water purification; functional materials; interface mechanism

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Guest Editor
State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
Interests: drinking water treatment; advanced oxidation technology; disinfection; water toxicity; organic pollutants decontamination
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Guest Editor
College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, China
Interests: advanced oxidation processes; water treatment; water chemistry; water purification; surface functionalization

Special Issue Information

Dear Colleagues,

The application of composite materials in wastewater treatment is an effective way to reduce water pollution. Composite materials are materials composed of two or more substances with different physical or chemical properties. These materials have excellent mechanical properties, high chemical stability, and good separation performance.

In wastewater treatment, composite materials can be used to adsorb and remove pollutants, such as heavy metals, organic pollutants, and nutrients. For example, activated carbon fibers, zeolites, and metal–organic frameworks are widely used adsorbents. These materials can adsorb pollutants through physical or chemical adsorption, thereby removing them from wastewater.

In addition, some composite materials can be used to construct membranes for wastewater treatment. These membranes can separate pollutants from water through filtration or reverse osmosis, thereby achieving wastewater treatment.

In conclusion, the application of composite materials in wastewater treatment has broad application prospects and development potential. We now invite you to contribute research articles, communications or reviews related to this Special Issue topic.

Dr. Yizhen Cheng
Dr. Pengwei Yan
Dr. Yabin Li
Guest Editors

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Keywords

  • wastewater treatment
  • water purification
  • composite materials
  • interface mechanism
  • adsorption
  • catalytic oxidation

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Published Papers (1 paper)

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Research

13 pages, 4180 KiB  
Article
Enhanced Ciprofloxacin Ozonation Degradation by an Aqueous Zn-Cu-Ni Composite Silicate: Degradation Performance and Surface Mechanism
by Yue Liu, Rong Guo, Jie Li, Yizhen Cheng, Congmin Wang, Weiqiang Wang and Huifan Zheng
Separations 2025, 12(1), 15; https://doi.org/10.3390/separations12010015 - 15 Jan 2025
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Abstract
This study investigates the environmental significance of ciprofloxacin as an emerging contaminant and the need for effective degradation methods. The chemical coprecipitation method was used in this study to prepare the Zn-Cu-Ni composite silicate, serving as a heterogeneous ozonation catalyst. The catalytic activity [...] Read more.
This study investigates the environmental significance of ciprofloxacin as an emerging contaminant and the need for effective degradation methods. The chemical coprecipitation method was used in this study to prepare the Zn-Cu-Ni composite silicate, serving as a heterogeneous ozonation catalyst. The catalytic activity was then evaluated by degrading ciprofloxacin (CIP). Scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, nitrogen adsorption–desorption, and Fourier transform infrared analysis (FTIR) were used to characterize the Zn-Cu-Ni composite silicate. The catalyst had a high surface area (308.137 m2/g), no regular morphology, and a particle size of 7.6 µm and contained Si-O-Si, Ni-O-Si, and Zn-O-Si. The results showed that the CIP degradation and mineralization rates (pH 7.0, CIP 3.0 mg/L, Ozone 1.5 mg/L) were significantly enhanced in the presence of the Zn-Cu-Ni composite silicate. The CIP and total organic carbon (TOC) removal rates were increased by 51.09% and 18.72%, respectively, under optimal conditions, compared with ozonation alone. The adsorption of Zn-Cu-Ni composite silicate, ozone oxidation, and ·OH oxidation synergistically promoted the efficient removal of CIP. This study provides valuable catalytic ozone technology for degradation of antibiotics in wastewater to reduce environmental pollution with potential practical applications. Full article
(This article belongs to the Special Issue Application of Composite Materials in Wastewater Treatment)
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