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Advanced Oxidation Processes for the Removal of Antibiotics from Water. An Overview
Abstract
In this work, the application of advanced oxidation processes (AOPs) for the removal of antibiotics from water has been reviewed. The present concern about water has been exposed, and the main problems derived from the presence of emerging pollutants have been analyzed. Photolysis processes, ozone-based AOPs including ozonation, O3/UV, O3/H2O2, and O3/H2O2/UV, hydrogen peroxide-based methods (i.e., H2O2/UV, Fenton, Fenton-like, hetero-Fenton, and photo-Fenton), heterogeneous photocatalysis (TiO2/UV and TiO2/H2O2/UV systems), and sonochemical and electrooxidative AOPs have been reviewed. The main challenges and prospects of AOPs, as well as some recommendations for the improvement of AOPs aimed at the removal of antibiotics from wastewaters, are pointed out.
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Major drawbacks of AOPs for dye removal include sludge production in Fenton reagent, formation of toxic byproduct in photocatalyst, and high cost due to expensive reagents and energy consumption.
“Sludge production in the case of Fenton reagent, formation of toxic byproduct in the case of photocatalyst, and high cost due to the use of expensive reagents (for example, H 2 O 2 ) and energy consumption (generation of O 3 or UV radiation) are the major drawback of AOPs for dye removal (Cuerda-Correa et al., 2020;Moosavi et al., 2020).”
From Biomass-Based Adsorbents for Removal of Dyes From Wastewater: A Review (2021) · cites this paper as Cuerda-Correa et al., 2020
The paper identifies Fenton sludge in its Conclusions and states that expensive reagents such as H₂O₂ and energy for ozone or UV make AOPs costly. It also warns that AOPs can produce toxic byproducts, but does not establish this specifically as a drawback of photocatalysis for dye removal; the review focuses on antibiotics in water. The cited passages have no page numbers in our copy. (LLM, conf=0.88)
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Metadata
- Authors
- Cuerda-Correa, E. M., Alexandre-Franco, M. F., & Fernández-González, C.
- Affiliations
- Department of Organic & Inorganic Chemistry, University of Extremadura, Avda de Elvas s/n, ES-06006 Badajoz, Spain
- Venue
- Water
- Publisher
- MDPI AG
- Published
- 2019-12-27
- Volume
- 12
- Issue
- 1
- Pages
- 102
- ISSN
- 2073-4441
- Cited by
- 671
- References
- 4
- Language
- en
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