Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics

This study focuses on the effect of electrode materials on abatement of lindane (an organochlorine pesticide) by electrooxidation process. Comparative performances of different anodic (platinum (Pt), dimensionally stable anode (DSA) and boron-doped diamond (BDD)) and cathodic (carbon sponge (CS), ca...

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Detalles Bibliográficos
Autores: Domínguez Torre, Carmen María, Oturan, Nihal, Romero Salvador, Arturo, Santos López, Aurora, Oturan, Mehmet A.
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/93969
Acceso en línea:https://hdl.handle.net/20.500.14352/93969
Access Level:acceso abierto
Palabra clave:66.0
Lindane
Electrooxidation
HydroxyL radicals
BDD
Carbon felt
Química
23 Química
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oai_identifier_str oai:docta.ucm.es:20.500.14352/93969
network_acronym_str ES
network_name_str España
repository_id_str
spelling Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kineticsDomínguez Torre, Carmen MaríaOturan, NihalRomero Salvador, ArturoSantos López, AuroraOturan, Mehmet A.66.0LindaneElectrooxidationHydroxyL radicalsBDDCarbon feltQuímica23 QuímicaThis study focuses on the effect of electrode materials on abatement of lindane (an organochlorine pesticide) by electrooxidation process. Comparative performances of different anodic (platinum (Pt), dimensionally stable anode (DSA) and boron-doped diamond (BDD)) and cathodic (carbon sponge (CS), carbon felt (CF) and stainless steel (SS)) materials on lindane electrooxidation and mineralization were investigated. Special attention was paid to determine the role of chlorine active species during the electrooxidation process. The results showed that better performances were obtained when using a BDD anode and CF cathode cell. The influence of the current density was assessed to optimize the oxidation of lindane and the mineralization of its aqueous solution. A quick (10 min) and complete oxidation of 10 mg L−1 lindane solution and relatively high mineralization degree (80% TOC removal) at 4 h electrolysis were achieved at 8.33 mA cm−2 current density. Lindane was quickly oxidized by in-situ generated hydroxyl radicals, (M(•OH)), formed from oxidation of water on the anode (M) surface following pseudo first-order reaction kinetics. Formation of chlorinated and hydroxylated intermediates and carboxylic acids during the treatment were identified and a plausible mineralization pathway of lindane by hydroxyl radicals was proposed.ElsevierUniversidad Complutense de Madrid20182018-01-0120182018-01-01journal articlehttp://purl.org/coar/resource_type/c_6501AOhttp://purl.org/coar/version/c_b1a7d7d4d402bcceinfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/93969reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)InglésengMinisterio de Economía y Competitividad http://dx.doi.org/10.13039/501100003329 CTM2016 77151-C2-1-RMinisterio de Economía y Competitividad http://dx.doi.org/10.13039/501100003329 CTM2013 43794-RComunidad de Madrid http://dx.doi.org/10.13039/100012818 S2013 MAE-2739open accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/939692026-06-02T12:44:21Z
dc.title.none.fl_str_mv Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
title Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
spellingShingle Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
Domínguez Torre, Carmen María
66.0
Lindane
Electrooxidation
HydroxyL radicals
BDD
Carbon felt
Química
23 Química
title_short Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
title_full Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
title_fullStr Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
title_full_unstemmed Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
title_sort Lindane degradation by electrooxidation process: Effect of electrode materials on oxidation and mineralization kinetics
dc.creator.none.fl_str_mv Domínguez Torre, Carmen María
Oturan, Nihal
Romero Salvador, Arturo
Santos López, Aurora
Oturan, Mehmet A.
author Domínguez Torre, Carmen María
author_facet Domínguez Torre, Carmen María
Oturan, Nihal
Romero Salvador, Arturo
Santos López, Aurora
Oturan, Mehmet A.
author_role author
author2 Oturan, Nihal
Romero Salvador, Arturo
Santos López, Aurora
Oturan, Mehmet A.
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 66.0
Lindane
Electrooxidation
HydroxyL radicals
BDD
Carbon felt
Química
23 Química
topic 66.0
Lindane
Electrooxidation
HydroxyL radicals
BDD
Carbon felt
Química
23 Química
description This study focuses on the effect of electrode materials on abatement of lindane (an organochlorine pesticide) by electrooxidation process. Comparative performances of different anodic (platinum (Pt), dimensionally stable anode (DSA) and boron-doped diamond (BDD)) and cathodic (carbon sponge (CS), carbon felt (CF) and stainless steel (SS)) materials on lindane electrooxidation and mineralization were investigated. Special attention was paid to determine the role of chlorine active species during the electrooxidation process. The results showed that better performances were obtained when using a BDD anode and CF cathode cell. The influence of the current density was assessed to optimize the oxidation of lindane and the mineralization of its aqueous solution. A quick (10 min) and complete oxidation of 10 mg L−1 lindane solution and relatively high mineralization degree (80% TOC removal) at 4 h electrolysis were achieved at 8.33 mA cm−2 current density. Lindane was quickly oxidized by in-situ generated hydroxyl radicals, (M(•OH)), formed from oxidation of water on the anode (M) surface following pseudo first-order reaction kinetics. Formation of chlorinated and hydroxylated intermediates and carboxylic acids during the treatment were identified and a plausible mineralization pathway of lindane by hydroxyl radicals was proposed.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-01-01
2018
2018-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
AO
http://purl.org/coar/version/c_b1a7d7d4d402bcce
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/93969
url https://hdl.handle.net/20.500.14352/93969
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Ministerio de Economía y Competitividad http://dx.doi.org/10.13039/501100003329 CTM2016 77151-C2-1-R
Ministerio de Economía y Competitividad http://dx.doi.org/10.13039/501100003329 CTM2013 43794-R
Comunidad de Madrid http://dx.doi.org/10.13039/100012818 S2013 MAE-2739
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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