Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions

The complexes derived from 6-methoxyquinoline ZnCl2(6OMeQ)2 have been shown to be effective as singlet molecular oxygen photosensitizers, which can be interesting for the removal of microcontaminants such as Bisphenol A (BPA) and Triclosan (TCS). Photodegradation with eosin Y (EOY) was also carried...

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Autores principales: Gloria Maria Doria Herrera, Gustavo A. Peñuela, Gloria Cristina Valencia
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Lenguaje:EN
Publicado: Elsevier 2021
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spelling oai:doaj.org-article:39fe1535f496416893f8dbfb439d21462021-11-18T04:51:20ZPhotodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions2590-123010.1016/j.rineng.2021.100291https://doaj.org/article/39fe1535f496416893f8dbfb439d21462021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S259012302100092Xhttps://doaj.org/toc/2590-1230The complexes derived from 6-methoxyquinoline ZnCl2(6OMeQ)2 have been shown to be effective as singlet molecular oxygen photosensitizers, which can be interesting for the removal of microcontaminants such as Bisphenol A (BPA) and Triclosan (TCS). Photodegradation with eosin Y (EOY) was also carried out as standard photosensitizer. Due to the physicochemical characteristics of these synthesized photosensitizers, the analysis was carried out in a homogeneous system in simulated effluents. An experimental design was made, based on previous studies and supporting literature. It was established that, at pH 5 and at 0.00104 mM EOY concentration, 20% removals were obtained in the case of BPA. Then, using the same photosensitizer with TCS it was possible to establish photodegradation up to 56% at the same pH but at a temperature of 50 °C, associating this result with the increase in temperature generated, and an increase in speed being reflected in the results obtained. Photodegradation using the coordinated compound, at pH 5.0, and 0.00119 mM photosensitizer concentration, a 26.7% of BPA photodegradation was obtained and, at 50 °C and pH 6, a 52.3% of TCS photodegradation was obtained. This photosensitizer is comparable for the removal this kind of the micropollutant. The experiments were made with UV/VISIBLE Lamps and monitored for HPLC, and some subproducts were analyzed for GC/MS.Gloria Maria Doria HerreraGustavo A. PeñuelaGloria Cristina ValenciaElsevierarticleMicropollutantPhotodegradationPhotosensitizerBisphenol ATriclosanComplexesTechnologyTENResults in Engineering, Vol 12, Iss , Pp 100291- (2021)
institution DOAJ
collection DOAJ
language EN
topic Micropollutant
Photodegradation
Photosensitizer
Bisphenol A
Triclosan
Complexes
Technology
T
spellingShingle Micropollutant
Photodegradation
Photosensitizer
Bisphenol A
Triclosan
Complexes
Technology
T
Gloria Maria Doria Herrera
Gustavo A. Peñuela
Gloria Cristina Valencia
Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions
description The complexes derived from 6-methoxyquinoline ZnCl2(6OMeQ)2 have been shown to be effective as singlet molecular oxygen photosensitizers, which can be interesting for the removal of microcontaminants such as Bisphenol A (BPA) and Triclosan (TCS). Photodegradation with eosin Y (EOY) was also carried out as standard photosensitizer. Due to the physicochemical characteristics of these synthesized photosensitizers, the analysis was carried out in a homogeneous system in simulated effluents. An experimental design was made, based on previous studies and supporting literature. It was established that, at pH 5 and at 0.00104 mM EOY concentration, 20% removals were obtained in the case of BPA. Then, using the same photosensitizer with TCS it was possible to establish photodegradation up to 56% at the same pH but at a temperature of 50 °C, associating this result with the increase in temperature generated, and an increase in speed being reflected in the results obtained. Photodegradation using the coordinated compound, at pH 5.0, and 0.00119 mM photosensitizer concentration, a 26.7% of BPA photodegradation was obtained and, at 50 °C and pH 6, a 52.3% of TCS photodegradation was obtained. This photosensitizer is comparable for the removal this kind of the micropollutant. The experiments were made with UV/VISIBLE Lamps and monitored for HPLC, and some subproducts were analyzed for GC/MS.
format article
author Gloria Maria Doria Herrera
Gustavo A. Peñuela
Gloria Cristina Valencia
author_facet Gloria Maria Doria Herrera
Gustavo A. Peñuela
Gloria Cristina Valencia
author_sort Gloria Maria Doria Herrera
title Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions
title_short Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions
title_full Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions
title_fullStr Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions
title_full_unstemmed Photodegradation of Bisphenol A and Triclosan using ZnCl2(6OMeQ)2 complex as photosensitizer under homogeneous conditions
title_sort photodegradation of bisphenol a and triclosan using zncl2(6omeq)2 complex as photosensitizer under homogeneous conditions
publisher Elsevier
publishDate 2021
url https://doaj.org/article/39fe1535f496416893f8dbfb439d2146
work_keys_str_mv AT gloriamariadoriaherrera photodegradationofbisphenolaandtriclosanusingzncl26omeq2complexasphotosensitizerunderhomogeneousconditions
AT gustavoapenuela photodegradationofbisphenolaandtriclosanusingzncl26omeq2complexasphotosensitizerunderhomogeneousconditions
AT gloriacristinavalencia photodegradationofbisphenolaandtriclosanusingzncl26omeq2complexasphotosensitizerunderhomogeneousconditions
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