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Cobalt Ferrite/Mil-101(Fe)/Graphene Oxide Heterostructures Coupled With Peroxymonosulfate for Triclosan Degradation Publisher



Moazeni M1, 2 ; Ebrahimpour K1, 3 ; Etebari M4 ; Bedia J5 ; Lin KYA6 ; 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. Student Research Committee, 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 Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, 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 Water Process Engineering Published:2022


Abstract

Sulfate radical-based-advanced oxidation processes (SR-AOPs) have been recently considered for micropollutants degradation in water treatment. In the present study, cobalt ferrite (CoFe2O4), a metal-organic framework (MOFs) (MIL-101(Fe)), and graphene oxide (GO) were used to synthesize a novel heterostructure, CoFe2O4/MIL-101(Fe)/GO (C/M/G), through a hydrothermal method. The structural properties of C/M/G were determined by several characterization methods. The samples tested in the degradation of triclosan (TCS) with peroxymonosulfate (PMS), were able to activate it generating the highly active hydroxyl (HO•) and sulfate radicals (SO4•−). The effect and interaction of controlling parameters on TCS removal were investigated. Complete removal of TCS (500 μg/L) was achieved with pH 5, 0.04 g/L catalyst, and 8 μM PMS in only 30 min. The TCS removal declined obviously in the presence of radical scavengers and coexisting ions. The leachings of cobalt (Co) and iron (Fe) ions were lower than those of other CoFe2O4 composites coupled with PMS. Moreover, this process demonstrated high performance in the treatment of TCS in tap and well water. Accordingly, the C/M/G/PMS system seems to be a highly effective and environmentally compatible process for micropollutant degradation in water treatment. © 2022 Elsevier Ltd
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