System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid

In this study, we have evaluated two different ionic liquids (IL) as extractants based on the same cation (trioctylmethylammonium) but bearing the anion thiosalicylate (TOMATS) or salicylate (TOMAS). Both IL have been incorporated as carriers in polymer inclusion membranes (PIMs), and mercury (Hg) h...

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Detalles Bibliográficos
Autores: Elias, Gemma, Díez, Sergi, Fontàs, Clàudia
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2019
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/201278
Acceso en línea:http://hdl.handle.net/10261/201278
Access Level:acceso abierto
Palabra clave:Mercury
Ionic liquid
Natural water
Polymer inclusion membranes
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spelling System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquidElias, GemmaDíez, SergiFontàs, ClàudiaMercuryIonic liquidNatural waterPolymer inclusion membranesIn this study, we have evaluated two different ionic liquids (IL) as extractants based on the same cation (trioctylmethylammonium) but bearing the anion thiosalicylate (TOMATS) or salicylate (TOMAS). Both IL have been incorporated as carriers in polymer inclusion membranes (PIMs), and mercury (Hg) has been preconcentrated using a special device. Results show that among the tested IL, TOMATS has given better results. A PIM made of 50% cellulose triacetate, 30% TOMATS and 20% nitrophenyl octyl ether as a plasticizer enabled the effective transport of Hg to a 10−3M cysteine solution used as a stripping phase. This novel and simple PIM-device system allows the transport of Hg at low concentration levels in different types of natural waters such as rivers, groundwater and seawater without any previous treatment. Since no matrix effect was observed on Hg transport efficiency with different waters, this newly developed PIM-system could be used as a global detection system for this metal. The effect of biofilm growth on the surface of PIMs has been investigated for the first time, and no significant differences on Hg transport have been found when using a fresh PIM and a PIM deployed for 7 days in a pond. © 2019 Elsevier B.V.The financial support of the Ministerio de Economía y Competitividad through projects CTM2013-48967-C2-2-P and CTM2016-78798-C2-2-P (AEI/FEDER/UE) is gratefully acknowledged. Gemma Elias would also like to thank the scholarship IFUdG2016-2018 from University of Girona. C. Martínez and E. Ubasart are also acknowledged for their participation in the laboratory works.Peer reviewedElsevierMinisterio de Economía y Competitividad (España)Díez, Sergi [0000-0002-9870-2179]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202020202019info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/201278reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-48967-C2-2-Pinfo:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2016-78798-C2-2-Phttps://doi.org/10.1016/j.jhazmat.2019.03.017Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2012782026-05-22T06:33:51Z
dc.title.none.fl_str_mv System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
title System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
spellingShingle System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
Elias, Gemma
Mercury
Ionic liquid
Natural water
Polymer inclusion membranes
title_short System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
title_full System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
title_fullStr System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
title_full_unstemmed System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
title_sort System for mercury preconcentration in natural waters based on a polymer inclusion membrane incorporating an ionic liquid
dc.creator.none.fl_str_mv Elias, Gemma
Díez, Sergi
Fontàs, Clàudia
author Elias, Gemma
author_facet Elias, Gemma
Díez, Sergi
Fontàs, Clàudia
author_role author
author2 Díez, Sergi
Fontàs, Clàudia
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad (España)
Díez, Sergi [0000-0002-9870-2179]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Mercury
Ionic liquid
Natural water
Polymer inclusion membranes
topic Mercury
Ionic liquid
Natural water
Polymer inclusion membranes
description In this study, we have evaluated two different ionic liquids (IL) as extractants based on the same cation (trioctylmethylammonium) but bearing the anion thiosalicylate (TOMATS) or salicylate (TOMAS). Both IL have been incorporated as carriers in polymer inclusion membranes (PIMs), and mercury (Hg) has been preconcentrated using a special device. Results show that among the tested IL, TOMATS has given better results. A PIM made of 50% cellulose triacetate, 30% TOMATS and 20% nitrophenyl octyl ether as a plasticizer enabled the effective transport of Hg to a 10−3M cysteine solution used as a stripping phase. This novel and simple PIM-device system allows the transport of Hg at low concentration levels in different types of natural waters such as rivers, groundwater and seawater without any previous treatment. Since no matrix effect was observed on Hg transport efficiency with different waters, this newly developed PIM-system could be used as a global detection system for this metal. The effect of biofilm growth on the surface of PIMs has been investigated for the first time, and no significant differences on Hg transport have been found when using a fresh PIM and a PIM deployed for 7 days in a pond. © 2019 Elsevier B.V.
publishDate 2019
dc.date.none.fl_str_mv 2019
2020
2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Postprint
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/201278
url http://hdl.handle.net/10261/201278
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-48967-C2-2-P
info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2016-78798-C2-2-P
https://doi.org/10.1016/j.jhazmat.2019.03.017
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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