Photodegradation of estrone enhanced by dissolved organic matter under simulated sunlight

Handle URI:
http://hdl.handle.net/10754/566014
Title:
Photodegradation of estrone enhanced by dissolved organic matter under simulated sunlight
Authors:
Caupos, Emilie; Mazellier, Patrick; Croue, Jean-Philippe
Abstract:
In the present work the degradation of estrone (E1) a natural estrogenic hormone has been studied under simulated solar irradiation. The photodegradation of E1 has been investigated in the absence and in the presence of 7.7-8.9 mg L-1 of dissolved organic carbon (DOC), under solar light simulation with irradiance approximating that of the sun. DOC extracts from different origins have been used. Half-lives ranging between 3.9 h and 7.9 h were observed. Results indicated that E1 was photodegraded even in the absence of DOC. The presence of DOC was found to enhance the degradation of E1. Experiments performed with the addition of reactive species scavengers (azide ions and 2-propanol) have shown that these two species play a significant role in the photodegradation. Some experiments have been performed with a DOC previously submitted to solar irradiation. Changes in optical and physico-chemical properties of DOC strongly affect its photoinductive properties, and hence its efficiency on E1 degradation. A part of the study consisted in the investigation of photoproducts structures. Five photoproducts were shown by chromatographic analysis: one arising from direct photolysis and the four others from DOC photoinduced degradation. © 2011 Elsevier Ltd.
KAUST Department:
Water Desalination and Reuse Research Center (WDRC); Biological and Environmental Sciences and Engineering (BESE) Division
Publisher:
Elsevier BV
Journal:
Water Research
Issue Date:
May-2011
DOI:
10.1016/j.watres.2011.03.047
PubMed ID:
21530993
Type:
Article
ISSN:
00431354
Appears in Collections:
Articles; Water Desalination and Reuse Research Center (WDRC); Biological and Environmental Sciences and Engineering (BESE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorCaupos, Emilieen
dc.contributor.authorMazellier, Patricken
dc.contributor.authorCroue, Jean-Philippeen
dc.date.accessioned2015-08-12T08:59:29Zen
dc.date.available2015-08-12T08:59:29Zen
dc.date.issued2011-05en
dc.identifier.issn00431354en
dc.identifier.pmid21530993en
dc.identifier.doi10.1016/j.watres.2011.03.047en
dc.identifier.urihttp://hdl.handle.net/10754/566014en
dc.description.abstractIn the present work the degradation of estrone (E1) a natural estrogenic hormone has been studied under simulated solar irradiation. The photodegradation of E1 has been investigated in the absence and in the presence of 7.7-8.9 mg L-1 of dissolved organic carbon (DOC), under solar light simulation with irradiance approximating that of the sun. DOC extracts from different origins have been used. Half-lives ranging between 3.9 h and 7.9 h were observed. Results indicated that E1 was photodegraded even in the absence of DOC. The presence of DOC was found to enhance the degradation of E1. Experiments performed with the addition of reactive species scavengers (azide ions and 2-propanol) have shown that these two species play a significant role in the photodegradation. Some experiments have been performed with a DOC previously submitted to solar irradiation. Changes in optical and physico-chemical properties of DOC strongly affect its photoinductive properties, and hence its efficiency on E1 degradation. A part of the study consisted in the investigation of photoproducts structures. Five photoproducts were shown by chromatographic analysis: one arising from direct photolysis and the four others from DOC photoinduced degradation. © 2011 Elsevier Ltd.en
dc.publisherElsevier BVen
dc.subjectDissolved organic carbon - DOCen
dc.subjectEstroneen
dc.subjectPhotodegradationen
dc.subjectPhotoproductsen
dc.subjectSunlighten
dc.titlePhotodegradation of estrone enhanced by dissolved organic matter under simulated sunlighten
dc.typeArticleen
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)en
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Divisionen
dc.identifier.journalWater Researchen
kaust.authorCroue, Jean-Philippeen

Related articles on PubMed

All Items in KAUST are protected by copyright, with all rights reserved, unless otherwise indicated.