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Research on Application of Advanced Oxidation Technology in Water Purification and Treatment

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (23 November 2023) | Viewed by 2283

Special Issue Editor


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Guest Editor
School of the Environment, Nanjing University, Nanjing 210023, China
Interests: adsorption and separation technology; advanced oxidation process; wastewater treatment; drinking water purification

Special Issue Information

Dear Colleagues, 

Ecological water environments and water quality are closely linked with human life. However, the discharge of wastewater containing various toxic organic pollutants into water lacking efficient treatment seriously threatens human health and natural environments. Although Advanced Oxidation Technologies (AOTs) are considered promising for refractory organics degradation, several shortcomings, including inactivation of catalysts, low utilization of oxidants, unwanted adverse reactions, and seriously inhibitory effects in complex systems, still limit AOTs’ application in wastewater treatment. However, deep insight into catalytic mechanisms, including the confinement effect, reactive oxygen species (ROS) transformation, charge migration and interface interaction, and possible degradation pathway and intermediates can promote advancement in this field. This Special Issue presents a platform for scholars to share current research and new findings concerning AOTs (Fenton/Fenton-like reactions, catalytic ozonation, photocatalytic oxidation/reduction, electrocatalysis, chlorine disinfection, etc). 

This Special Issue welcomes papers focused on but not limited to the following themes:

  • Advanced treatment of sewage;
  • AOT and its possible synergization for processes;
  • Treatment of organic, refractory, and other pollutants in wastewater. 

Prof. Dr. Jinnan Wang
Guest Editor

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Keywords

  • advanced oxidation technology
  • advanced treatment of sewage
  • adsorption and separation technology
  • wastewater treatment

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Published Papers (1 paper)

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Research

16 pages, 5468 KiB  
Article
Making Pb Adsorption-Saturated Attapulgite with Excellent Photocatalysis Properties through a Vulcanization Reaction and Its Application for MB Wastewater Degradation
by Xiao Zhang, Chen Chen, Ting Cheng, Mingyue Wen, Lei Wang and Fenxu Pan
Int. J. Environ. Res. Public Health 2022, 19(16), 10457; https://doi.org/10.3390/ijerph191610457 - 22 Aug 2022
Cited by 10 | Viewed by 1876
Abstract
Attapulgite (AT) is a clay mineral with rich reserves in China, and it has good adsorption activity for Pb-containing wastewater. However, as a hazardous waste, the treatment of Pb adsorption-saturated attapulgite was quite difficult. In this work, through a simple vulcanization reaction, the [...] Read more.
Attapulgite (AT) is a clay mineral with rich reserves in China, and it has good adsorption activity for Pb-containing wastewater. However, as a hazardous waste, the treatment of Pb adsorption-saturated attapulgite was quite difficult. In this work, through a simple vulcanization reaction, the waste Pb adsorption-saturated attapulgite (AT@Pb) was transformed into composite materials (AT@PbS) with good photocatalytic performance. After comprehensive material characterization (including XRD, TEM, XPS, and UV-Vis), the photocatalytic degradation performance and mechanism of AT@PbS for methylene blue (MB) were investigated. The results revealed that AT@PbS was a composite material of attapulgite nanorods (500–600 nm) and nanosquare PbS particles (80–100 nm). Additionally, AT@PbS displayed good visible light absorption, improved photo-electric properties, excellent photodegradation performance for MB, and recycling stability. Moreover, the energy band range of AT@PbS was about −0.043 V to 1.367 V. The photo-generated holes and their derived hydroxyl radicals were the main active species for MB degradation. This work not only provides a new approach to construct the composite photocatalyst, but also demonstrates the possibility of the comprehensive utilization of heavy metal adsorbents for wastewater degradation. Full article
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