Composition and structural effects on the adsorption of ionic liquids onto activated carbon

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dc.contributor.author Lemus, Jesús
dc.contributor.author Freire, Mara G.
dc.contributor.author Palomar, Jose
dc.contributor.author Neves, Catarina M. S. S.
dc.contributor.author Marques, Carlos F. C.
dc.contributor.author Coutinho, João A. P.
dc.contributor.other UAM. Departamento de Química Física Aplicada es_ES
dc.date.accessioned 2016-05-24T11:17:03Z
dc.date.available 2016-05-24T11:17:03Z
dc.date.issued 2013-07-09
dc.identifier.citation Environmental Sciences: Processes and Impacts 15.9 (2013): 1752-1759 en_US
dc.identifier.issn 2050-7887 (print) es_ES
dc.identifier.issn 2050-7895 (online) es_ES
dc.identifier.uri http://hdl.handle.net/10486/671034
dc.description.abstract The applications and variety of ionic liquids (ILs) have increased during the last few years, and their use at a large scale will require their removal/recovery from wastewater streams. Adsorption on activated carbons (ACs) has been recently proposed for this aim and this work presents a systematic analysis of the influence of the IL chemical structures (cation side chain, head group, anion type and the presence of functional groups) on their adsorption onto commercial AC from water solution. Here, the adsorption of 21 new ILs, which include imidazolium-, pyridinium-, pyrrolidinium-, piperidinium-, phosphonium- and ammonium-based cations and different hydrophobic and hydrophilic anions, has been experimentally measured. This contribution allows an expansion of the range of IL compounds studied in previous works, and permits a better understanding of the influence of the IL structures through the adsorption on AC. In addition, the COSMO-RS method was used to analyze the measured adsorption isotherms, allowing the understanding of the role of the cationic and anionic structures in the adsorption process, in terms of the different interactions between the IL compound and AC surface/water solvent. The results of this work provide new insights for the development of adsorption as an effective operation to remove/recover ILs with very different chemical nature from water solution en_US
dc.description.sponsorship The authors are grateful to the Spanish “Ministerio de Ciencia e Innovación (MICINN)” and “Comunidad de Madrid” for financial support (projects CTQ2011-26758 and S2009/PPQ-1545). We are very grateful to “Centro de Computación Científica de la Universidad Autónoma de Madrid” for computational facilities. The authors also acknowledge FCT – Fundaçao para a Ciencia e a Tecnologia, through the projects Pest-C/CTM/LA0011/2011 and PTDC/AAC-AMB/119172/2010. Catarina M. S. S. Neves also acknowledges FCT for the doctoral grant SFRH/BD/70641/2010 en_US
dc.format.extent 8 pag. es_ES
dc.format.mimetype application/pdf en
dc.language.iso eng en
dc.publisher The Royal Society of Chemistry en_US
dc.relation.ispartof Environmental Sciences: Processes and Impacts en_US
dc.rights © 2013 The Royal Society of Chemistry en_US
dc.subject.other Activated carbon en_US
dc.subject.other Ammonium derivative en_US
dc.subject.other Anion en_US
dc.subject.other Cation en_US
dc.subject.other Imidazole derivative en_US
dc.subject.other Ionic liquid en_US
dc.subject.other Phosphonium derivative en_US
dc.subject.other Piperidine derivative en_US
dc.subject.other Pyridinium derivative en_US
dc.subject.other Pyrrolidine derivative en_US
dc.subject.other Surface water en_US
dc.title Composition and structural effects on the adsorption of ionic liquids onto activated carbon en_US
dc.type article en
dc.subject.eciencia Química es_ES
dc.relation.publisherversion http://dx.doi.org/10.1039/c3em00230f es_ES
dc.identifier.doi 10.1039/c3em00230f es_ES
dc.identifier.publicationfirstpage 1752 es_ES
dc.identifier.publicationissue 9 es_ES
dc.identifier.publicationlastpage 1759 es_ES
dc.identifier.publicationvolume 15 es_ES
dc.relation.projectID Comunidad de Madrid. S2009/PPQ-1545/LIQUORGPAS es_ES
dc.relation.projectID Gobierno de España. CTQ2011-26758 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion en
dc.rights.accessRights openAccess en
dc.authorUAM Lemus Torres, Jesús (264040)


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