"Enhanced degradation of carbamazepine in FeOCl based Photo-Fenton reac" by Shaobin Sun, Hong Yao et al.
 

Enhanced degradation of carbamazepine in FeOCl based Photo-Fenton reaction

Document Type

Article

Publication Date

2-1-2021

Abstract

Carbamazepine (CBZ) is one of the contaminants of emerging concerns due to its broad distribution in water environments. The present study evaluated various photo-Fenton reactions to achieve enhanced CBZ removal using FeOCl as the photo-Fenton catalyst that exhibited high activity in ·OH generation at a wide range of pH. The effects of UV irradiation, H2O2 concentration, initial CBZ concentration and catalyst dosage on the CBZ degradation efficiency were evaluated with uncertainty analysis. The H2O2 concentration of 10 μM, a catalyst dosage of 0.2 g/L, and the initial concentration of CBZ of 100 μM led to the highest CBZ removal rate of 92 % under UV/H2O2/FeOCl system within 0.5 h The effects of common anions (i.e., CO32-, HCO3, SO42-, NO3- and Cl-) on the CBZ degradation were studied. Three possible degradation pathways and three major degradation by-products were analyzed by LC-ESI-MS, which would provide new insight into the degradation mechanisms of CBZ in photo-Fenton reactions.

Identifier

85097491007 (Scopus)

Publication Title

Journal of Environmental Chemical Engineering

External Full Text Location

https://doi.org/10.1016/j.jece.2020.104501

e-ISSN

22133437

Issue

1

Volume

9

Grant

BJJWZYJH01201910004016

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