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Removal of Triclosan From Aqueous Matrixes: A Systematic Review With Detailed Meta-Analysis Publisher



Moazeni M1, 3 ; Reza Maracy M2, 3 ; Ghazavi R4 ; Bedia J5 ; Andrew Lin KY6 ; Ebrahimi A1, 3
Authors
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Knowledge and Information Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
  5. 5. Chemical Engineering Department, Facultad de Ciencias, Universidad Autonoma de Madrid, Campus Cantoblanco, Madrid, E-28049, Spain
  6. 6. Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan

Source: Journal of Molecular Liquids Published:2023


Abstract

Triclosan (TCS) is an antibacterial agent frequently detected in water environments. Its accumulation in aquatic ecosystems and its absorption by humans can result in potential toxicity. Therefore, the study of the treatment of waters polluted with TCS is a crucial subject for protecting the environment. This systematic review investigates TCS chemical removal technologies, with special attention to the effect of several reaction parameters, and the reaction by-products. These technologies were classified into adsorption and chemical processes. Moreover, a meta-analysis has been performed to provide a clear picture of the state of the art of the different available technologies. Initially, 22 studies were reviewed in the meta-analysis based on two global technologies, namely adsorption and chemical processes. After that, sub-processes were evaluated, including sulfate radical-based advanced oxidation processes (SR-AOPs), photodegradation, permanganate oxidation, electrochemical, dechlorination, and adsorption. The random-effects model was used to estimate the pooled mean of TCS removal percentage with 95% confidence intervals (95%CI). The average pooled percentage of chemical processes for degradation of TCS was 77.20% (95%CI: 70.79–83.62). Based on the results of the meta-analysis, the dechlorination process, developed by a nano-bio hybrid subset of the reduction process, had the highest TCS removal with an average percentage of 96.13% (95%CI: 93.37–98.89). © 2023 Elsevier B.V.
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