Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.

The degradation of diphenhydramine hydrochloride (DPH), via UV-vis/H2O2, Fenton, photo-Fenton and photocatalysis processes, was studied under different radiation sources. In addition, the Fenton and photo-Fenton processes at acid pH and circumneutral pH have been compared. The importance of the sour...

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Autores: López Vinent, Núria, Plaza, Sandra, Afkhami, Arsalan, Marco, Pilar, Giménez Farreras, Jaume, Esplugas Vidal, Santiago
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2017
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/114128
Acceso en línea:https://hdl.handle.net/2445/114128
Access Level:acceso abierto
Palabra clave:Radiació solar
Fotocatàlisi
Radiació ultraviolada
Solar radiation
Photocatalysis
Ultraviolet radiation
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spelling Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.López Vinent, NúriaPlaza, SandraAfkhami, ArsalanMarco, PilarGiménez Farreras, JaumeEsplugas Vidal, SantiagoRadiació solarFotocatàlisiRadiació ultravioladaSolar radiationPhotocatalysisUltraviolet radiationThe degradation of diphenhydramine hydrochloride (DPH), via UV-vis/H2O2, Fenton, photo-Fenton and photocatalysis processes, was studied under different radiation sources. In addition, the Fenton and photo-Fenton processes at acid pH and circumneutral pH have been compared. The importance of the source of irradiation, UV-C (λ = 254 nm), black blue lamps (BLB, λ = 365 nm) and simulated solar radiation (SB, SolarBox), was investigated at lab-scale. Moreover, compound parabolic collectors (CPC), at pilot plant scale with sunlight, have been also applied in photocatalytic treatments. Photo-Fenton process employing black blue lamps gave the best DPH abatement (100% of DPH conversion at 10 min for acid pH and 20 min for circumneutral pH), using the highest Fe2+ (5 mg/L) and H2O2 (150 mg/L) concentrations at 50 mg/L of initial DPH concentration. Using Fenton, 100% of DPH conversion was reached at 30 min for both pHs tested. In the case of UV-C/H2O2, 100% of DPH elimination was achieved in 20 min using 150 mg/L of H2O2. In the photocatalytic process, using 0.4 g TiO2/L, after 60 min of irradiation, only 35.7% and 8.7% of DPH conversion have been obtained in SB and CPC, respectively. The DPH degradation in the photocatalytic process was greatly enhanced adding H2O2. In all the cases, increasing the H2O2 dose enhances the reaction rate due to higher OH[rad] production. However, not significant mineralization was obtained. The highest DPH mineralization was 36.8% and 38.5% of TOC reduction with photo-Fenton in BLB lamps using 150 mg/L of H2O2 and 2.5 mg/L of Fe2+, for acid pH and circumneutral pH, respectively. The major reaction intermediates these processes were identified by ionization/mass spectrometry and a DPH photo-degradation structures was proposed.Elsevier B.V.2017info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://hdl.handle.net/2445/114128Articles publicats en revistes (Enginyeria Química i Química Analítica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésVersió postprint del document publicat a: https://doi.org/10.1016/j.cej.2016.05.127Chemical Engineering Journal, 2017, vol. 318, num. 15, p. 112-120https://doi.org/10.1016/j.cej.2016.05.127cc-by-nc-nd (c) Elsevier B.V., 2017http://creativecommons.org/licenses/by-nc-nd/3.0/esinfo:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1141282026-05-27T06:46:51Z
dc.title.none.fl_str_mv Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
title Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
spellingShingle Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
López Vinent, Núria
Radiació solar
Fotocatàlisi
Radiació ultraviolada
Solar radiation
Photocatalysis
Ultraviolet radiation
title_short Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
title_full Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
title_fullStr Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
title_full_unstemmed Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
title_sort Treatment of Diphenhydramine with diferent AOPs including photo-Fenton at circumneutral pH.
dc.creator.none.fl_str_mv López Vinent, Núria
Plaza, Sandra
Afkhami, Arsalan
Marco, Pilar
Giménez Farreras, Jaume
Esplugas Vidal, Santiago
author López Vinent, Núria
author_facet López Vinent, Núria
Plaza, Sandra
Afkhami, Arsalan
Marco, Pilar
Giménez Farreras, Jaume
Esplugas Vidal, Santiago
author_role author
author2 Plaza, Sandra
Afkhami, Arsalan
Marco, Pilar
Giménez Farreras, Jaume
Esplugas Vidal, Santiago
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Radiació solar
Fotocatàlisi
Radiació ultraviolada
Solar radiation
Photocatalysis
Ultraviolet radiation
topic Radiació solar
Fotocatàlisi
Radiació ultraviolada
Solar radiation
Photocatalysis
Ultraviolet radiation
description The degradation of diphenhydramine hydrochloride (DPH), via UV-vis/H2O2, Fenton, photo-Fenton and photocatalysis processes, was studied under different radiation sources. In addition, the Fenton and photo-Fenton processes at acid pH and circumneutral pH have been compared. The importance of the source of irradiation, UV-C (λ = 254 nm), black blue lamps (BLB, λ = 365 nm) and simulated solar radiation (SB, SolarBox), was investigated at lab-scale. Moreover, compound parabolic collectors (CPC), at pilot plant scale with sunlight, have been also applied in photocatalytic treatments. Photo-Fenton process employing black blue lamps gave the best DPH abatement (100% of DPH conversion at 10 min for acid pH and 20 min for circumneutral pH), using the highest Fe2+ (5 mg/L) and H2O2 (150 mg/L) concentrations at 50 mg/L of initial DPH concentration. Using Fenton, 100% of DPH conversion was reached at 30 min for both pHs tested. In the case of UV-C/H2O2, 100% of DPH elimination was achieved in 20 min using 150 mg/L of H2O2. In the photocatalytic process, using 0.4 g TiO2/L, after 60 min of irradiation, only 35.7% and 8.7% of DPH conversion have been obtained in SB and CPC, respectively. The DPH degradation in the photocatalytic process was greatly enhanced adding H2O2. In all the cases, increasing the H2O2 dose enhances the reaction rate due to higher OH[rad] production. However, not significant mineralization was obtained. The highest DPH mineralization was 36.8% and 38.5% of TOC reduction with photo-Fenton in BLB lamps using 150 mg/L of H2O2 and 2.5 mg/L of Fe2+, for acid pH and circumneutral pH, respectively. The major reaction intermediates these processes were identified by ionization/mass spectrometry and a DPH photo-degradation structures was proposed.
publishDate 2017
dc.date.none.fl_str_mv 2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/114128
url https://hdl.handle.net/2445/114128
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: https://doi.org/10.1016/j.cej.2016.05.127
Chemical Engineering Journal, 2017, vol. 318, num. 15, p. 112-120
https://doi.org/10.1016/j.cej.2016.05.127
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Elsevier B.V., 2017
http://creativecommons.org/licenses/by-nc-nd/3.0/es
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Elsevier B.V., 2017
http://creativecommons.org/licenses/by-nc-nd/3.0/es
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier B.V.
publisher.none.fl_str_mv Elsevier B.V.
dc.source.none.fl_str_mv Articles publicats en revistes (Enginyeria Química i Química Analítica)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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