Advancement of Advanced Oxidation Processes (AOPs) for Water and Wastewater Treatment and Water Reuse

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 25 February 2025 | Viewed by 956

Special Issue Editors


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Guest Editor

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Guest Editor
School of Public Health, Taipei Medical University, Taipei, Taiwan
Interests: environmental electrochemistry; emerging contaminants; environmental analysis
School of Environment, Tsinghua University, Beijing 100084, China
Interests: advanced treatment technologies for drinking water; UV disinfection and advanced oxidation processes technologies; industrial water treatment technologies; environmental risk assessment
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Special Issue Information

Dear Colleagues,

Water and wastewater contain varying levels of recalcitrant and potentially toxic organic compounds, which necessitates effective treatment prior to final disposal or reuse. At present, advanced oxidation processes (AOPs) have gained considerable attention from water professionals due to their ability to rapidly and effectively remove organics, especially emerging organic contaminants, and transform them into harmless products.

In view of the above observation, this Special Issue will focus on manuscripts (research papers, reviews, short communications) related to the research and development, policy, implementation, and management of AOPs for organics removal in water and wastewater treatment as well as in water reuse.

Manuscripts in this Special Issue are expected to interpret the results of water quality and cost analyses of AOP studies within the context of organic pollutant removal and control by evaluating issues such as treatment performance, novel materials and process development, transformation products and pathways, cost-effetiveness analysis, and any other potential impacts in water and wastewater management.

Prof. Dr. Jiangyong Hu
Prof. Dr. Say-Leong Ong
Dr. Yu-Jung Liu
Dr. Wenjun Sun
Guest Editors

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Keywords

  • advanced oxidation process
  • organics removal
  • transformation products
  • toxicity evaluation
  • pre- and post-process
  • water and wastewater treatment
  • water reuse
  • cost-effectiveness analysis
  • policy and management

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Published Papers (1 paper)

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Research

19 pages, 5149 KiB  
Article
Enhanced Organics Removal Using 3D/GAC/O3 for N-Containing Organic Pharmaceutical Wastewater: Accounting for Improved Biodegradability and Optimization of Operating Parameters by Response Surface Methodology
by Jun Wei Goh, Raphael Jun Hao Tan, Weiyi Wu, Zhaohong Huang, Say Leong Ong and Jiangyong Hu
Water 2024, 16(21), 3138; https://doi.org/10.3390/w16213138 - 2 Nov 2024
Viewed by 676
Abstract
Pharmaceutical industry effluents often contain high concentrations of refractory organic solvents, chemical oxygen demand (COD), and total dissolved solids (TDSs). These wastewaters, including N-containing organic solvents known for their persistence and toxicity, pose significant environmental challenges. The study evaluated the efficacy of 3D/Granular [...] Read more.
Pharmaceutical industry effluents often contain high concentrations of refractory organic solvents, chemical oxygen demand (COD), and total dissolved solids (TDSs). These wastewaters, including N-containing organic solvents known for their persistence and toxicity, pose significant environmental challenges. The study evaluated the efficacy of 3D/Granular Activated Carbon (GAC)/O3 treatment compared to linear process additions when treating real pharmaceutical wastewater, and revealed a 2.73-fold enhancement in COD mineralization. The process primarily involves the direct oxidation of monoprotic organic acids found in real pharmaceutical effluents, such as acetic and formic acid, crucially influencing mineralization rates. Optimal conditions determined via the response surface methodology were 125 g/L GAC, 30 mA/cm2, and 75 mg/L O3, achieving high total organic carbon (TOC) and COD removal efficiencies of 87.19 ± 0.19% and 89.67 ± 0.32%, respectively (R2 > 0.9), during verification runs. Current density emerged as the key parameter for organic abatement, aligning with the emphasis on direct oxidation at the anode surface. This integrated approach enhances biodegradability (BOD5/COD) and reduces acute toxicity associated with persistent N-containing solvents, demonstrating promising applications in pharmaceutical wastewater treatment. Full article
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