Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain
The degradation of octylbenzene sulfonate (OBS) photoinduced by iron(III) aquacomplexes was investigated upon irradiation at 365 nm and by solar light. The photochemical degradation appears to be due to HO• radicals arising from the electron transfer in Fe(OH)2+. If oxygen does not affect the initia...
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| Format: | Article |
| Language: | English |
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Wiley
2005-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/S1110662X05000115 |
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| author | Nadra Debbache Gilles Mailhot Kamel Djebbar Bernadette Lavedrine Michèle Bolte |
| author_facet | Nadra Debbache Gilles Mailhot Kamel Djebbar Bernadette Lavedrine Michèle Bolte |
| author_sort | Nadra Debbache |
| collection | DOAJ |
| description | The degradation of octylbenzene sulfonate (OBS) photoinduced by iron(III) aquacomplexes was
investigated upon irradiation at 365 nm and by solar light. The photochemical degradation appears to be due to
HO• radicals arising from the electron transfer in Fe(OH)2+. If oxygen does not affect the initial quantum yield of OBS degradation, it is necessary to pursue the reaction up to, first the complete disappearance of OBS and secondly OBS mineralization. The nature of the major photoproducts gives evidence for a competitive
attack of HO• radicals on the alkyl chain resulting in a shortening of the chain. Among the possible sites
on the chain, hydrogen on the carbon in α position with respect to the aromatic ring was the main point of
attack with the formation of 4-acetylbenzene sulfonate and 4-carboxylicbenzene sulfonate. |
| format | Article |
| id | doaj-art-5cfe89c052684d72906808f53cbcb2fb |
| institution | Kabale University |
| issn | 1110-662X |
| language | English |
| publishDate | 2005-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Photoenergy |
| spelling | doaj-art-5cfe89c052684d72906808f53cbcb2fb2025-02-03T06:12:47ZengWileyInternational Journal of Photoenergy1110-662X2005-01-0172717810.1155/S1110662X05000115Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chainNadra Debbache0Gilles Mailhot1Kamel Djebbar2Bernadette Lavedrine3Michèle Bolte4Laboratoire des Sciences et Technologies de l'Environnement, Université de Mentouri, Constantine 25000, AlgeriaLaboratoire de Photochimie Moléculaire et Macromoléculaire, Université Blaise Pascal, UMR CNRS 6505, Aubière Cedex F-63177, FranceLaboratoire des Sciences et Technologies de l'Environnement, Université de Mentouri, Constantine 25000, AlgeriaLaboratoire de Photochimie Moléculaire et Macromoléculaire, Université Blaise Pascal, UMR CNRS 6505, Aubière Cedex F-63177, FranceLaboratoire de Photochimie Moléculaire et Macromoléculaire, Université Blaise Pascal, UMR CNRS 6505, Aubière Cedex F-63177, FranceThe degradation of octylbenzene sulfonate (OBS) photoinduced by iron(III) aquacomplexes was investigated upon irradiation at 365 nm and by solar light. The photochemical degradation appears to be due to HO• radicals arising from the electron transfer in Fe(OH)2+. If oxygen does not affect the initial quantum yield of OBS degradation, it is necessary to pursue the reaction up to, first the complete disappearance of OBS and secondly OBS mineralization. The nature of the major photoproducts gives evidence for a competitive attack of HO• radicals on the alkyl chain resulting in a shortening of the chain. Among the possible sites on the chain, hydrogen on the carbon in α position with respect to the aromatic ring was the main point of attack with the formation of 4-acetylbenzene sulfonate and 4-carboxylicbenzene sulfonate.http://dx.doi.org/10.1155/S1110662X05000115 |
| spellingShingle | Nadra Debbache Gilles Mailhot Kamel Djebbar Bernadette Lavedrine Michèle Bolte Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain International Journal of Photoenergy |
| title | Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain |
| title_full | Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain |
| title_fullStr | Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain |
| title_full_unstemmed | Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain |
| title_short | Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain |
| title_sort | degradation of octylbenzene sulfonate photoinduced by iron iii aquacomplexes evidence for the fragmentation of the alkyl chain |
| url | http://dx.doi.org/10.1155/S1110662X05000115 |
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