IMPACT D’UN AGENT COMPLEXANT DU FER DANS LE PROCEDE DE PHOTO-FENTON SUR LA DEGRADATION DU 3-METHYLPHENOL EN PHASE HOMOGENE / IMPACT OF IRON COMPLEXING AGENT IN THE PROCESS OF PHOTO-FENTON ON THE DEGRADATION OF 3-METHYLPHENOL IN HOMOGENEOUS PHASE
Journal Title: Journal of Water and Environmental Sciences - Year 2017, Vol 1, Issue 0
Abstract
In this study we used 3-methylphenol (3MP) as a pollutant model of phenols to study the effectiveness of the photo-Fenton Fe(III)Ox system. The preliminary study of the mixture 3MP-Fe(III)Ox-H2O2 in the absence of light and at room temperature allowed us to confirm the absence of interaction under our experimental conditions. However, the same system was studied in the presence of light (365 nm) in order to study the photo-Fenton process. Various parameters (H2O2 concentrations and pH) were tested in order to optimize the efficiency of the system in terms of degradation of 3MP. In order to understand the mechanism involved in radical inhibition experiments (•OH and HO2• / O2•-) have been carried out. One of the important conclusions of this work is that the Fe(III)Ox complex plays a very positive role in the degradation of 3MP. In addition, we have also shown that this process is very efficient in the neutral pH range. This complex is really a very promising source of iron in the photo-Fenton processes.
Authors and Affiliations
Nassira SERAGHNI, Basma Anfel DEKKICHE, Sarah BELATTAR, Nadra DEBBACHE, Tahar SEHILI
Keywords
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- EP ID EP262683
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