Innovative Advanced Oxidation and Adsorption Technologies for Contaminants of Emerging Concern in Water and Wastewater

A special issue of Clean Technologies (ISSN 2571-8797).

Deadline for manuscript submissions: 31 July 2026 | Viewed by 777

Special Issue Editors


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Guest Editor
Shamir Research Institute, University of Haifa, P.O. Box 97, Qatzrin 1290000, Israel
Interests: advanced oxidation process (AOP); biochar; adsorption; nanocomposites; water treatment; emerging contaminants; disinfection byproducts

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Guest Editor
Department of Environmental Sciences, Biotechnology, and Water Sciences, Tel Hai College, Upper Galilee 12208, Israel
Interests: biotechnology; waste management; environmental science

Special Issue Information

Dear Colleagues,

Water reuse technologies are expanding to address water stress and create climate resilience; however, conventionally treated effluents can carry contaminants of emerging concern (CECs) that can threaten aquatic ecosystems, drinking water sources, and human health. This Special Issue highlights the recent progress of the next generation of advanced oxidation processes (AOPs) and adsorptive materials that enable selective, energy-aware removal of CECs in water. We invite scholars to submit high-quality full research articles and critical reviews to this Special Issue. Topics can include, but do not need to be limited to, new and improved AOPs, development of new catalytic materials, novel adsorbents with scalable architectures, and hybrid technologies emphasizing both innovative applications and our fundamental understanding of this field. Our goal is to advance practical, safe, and reproducible solutions for high-quality water reuse and for the protection of receiving waters.

Dr. Sara P. Azerrad
Dr. Hassan Azaizeh
Guest Editors

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Keywords

  • advanced oxidation processes (AOPs)
  • water treatment
  • wastewater treatment
  • new catalytic materials
  • synthesis of nanocomposites for adsorption or oxidation
  • new adsorbent materials for pollutant removal
  • optimization strategies
  • hybrid treatment
  • coupling AOP and adsorption

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Published Papers (1 paper)

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Research

19 pages, 4269 KB  
Article
Resource Recycling and Wastewater Remediation: Application of Turning Metal Scrap as Anode in Electrochemical Treatment of Soluble Cutting Fluids
by Hyung-kyu Lee, Go-eun Kim, Seong-ho Jang, Ho-min Kim, Byung-gil Jung, Young-chae Song and Won-ki Lee
Clean Technol. 2026, 8(2), 41; https://doi.org/10.3390/cleantechnol8020041 - 16 Mar 2026
Cited by 1 | Viewed by 514
Abstract
Soluble cutting fluids (SCFs) from metalworking processes pose significant treatment challenges. Here, SCFs were treated using a monopolar electrochemical (EC) system, using turning scrap generated from metalworking operations as the anode. The system was operated for 60 min under various conditions, including different [...] Read more.
Soluble cutting fluids (SCFs) from metalworking processes pose significant treatment challenges. Here, SCFs were treated using a monopolar electrochemical (EC) system, using turning scrap generated from metalworking operations as the anode. The system was operated for 60 min under various conditions, including different anode materials, electrolyte addition, aeration, and initial pH. Treatment performance was evaluated in terms of chemical oxygen demand (CODCr) and total organic carbon (TOC) removal efficiencies and specific energy consumption (SEC) for CODCr removal. The Al scrap (20 g/L) showed the optimal overall performance, achieving CODCr and TOC removal efficiencies of 29.28% and 25.62%, respectively, with an SEC comparable to that of the Al electrode. Electrolyte addition improved the energy efficiency under all conditions, with NaNO3 10 mM yielding the lowest SEC (0.57 kWh/kg-CODCr), and aeration negatively affected both removal efficiency and energy consumption. Although acidic conditions (pH 2) resulted in high apparent removal, most of the reduction occurred during pre-treatment pH adjustment, and the highest energy efficiency was achieved at pH 7 (0.47 kWh/kg-CODCr). These results demonstrate that Al turning scrap is a promising alternative anode material for electrochemical treatment of SCFs with optimized electrolyte addition and operating pH enabling improved energy efficiency. Full article
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