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Salt diffusion through cation-exchange membranes in alcohol-water solutions

dc.contributor.authorIzquierdo Gil, María Amparo
dc.contributor.authorBarragán García, Vicenta María
dc.contributor.authorGodino Gómez, María Paz
dc.contributor.authorGarcía Villaluenga, Juan Pedro
dc.contributor.authorRuiz Bauzá, Carlos
dc.contributor.authorSeoane Rodríguez, Benjamín
dc.date.accessioned2023-06-20T03:31:42Z
dc.date.available2023-06-20T03:31:42Z
dc.date.issued2009-01-12
dc.description© 2008 Elsevier B.V. The authors of this study gratefully acknowledge Prof. C. Larchet and Prof. V. Nikonenko for donating MK40 membrane samples. Financial support from Comunidad de Madrid and Universidad Complutense de Madrid under Project CCG06-UCM/MAT-1037 is also gratefully acknowledged.
dc.description.abstractThe salt flow through several commercial cation-exchange membranes separating two NaCl alcohol-water solutions with the same alcohol concentration, but different NaCl concentration was investigated. Homogeneous (Nafion-115) and heterogeneous (MK-40 and CR65-AZL-412) membranes were used in this work. The integral permeability coefficient was determined from the temporal evolution of the concentration in the dilute solution. The results showed that the integral permeability coefficient depends on both the solution alcohol concentration and the type of alcohol. It is observed that this dependence is function of the membrane structure. In general, for the heterogeneous membranes, the integral permeability coefficient is less sensible to alcohol concentration than for the homogeneous membrane at low and intermediate values of the alcohol percentage in the solutions.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipComunidad de Madrid
dc.description.sponsorshipUniversidad Complutense de Madrid
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/20614
dc.identifier.doi10.1016/j.seppur.2008.10.017
dc.identifier.issn1383-5866
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.seppur.2008.10.017
dc.identifier.relatedurlhttp://pdn.sciencedirect.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/43725
dc.issue.number3
dc.journal.titleSeparation and Purification Technology
dc.language.isoeng
dc.page.final325
dc.page.initial321
dc.publisherElsevier Science BV
dc.relation.projectIDCCG06-UCM/MAT-1037
dc.rights.accessRightsrestricted access
dc.subject.cdu536
dc.subject.keywordMethanol Fuel-Cells
dc.subject.keywordNonstationary Diffusion
dc.subject.keywordTransport-Properties
dc.subject.keywordNafion Membranes
dc.subject.keywordElectrolyte
dc.subject.keywordCoefficients
dc.subject.keywordPotentials
dc.subject.keywordBehavior
dc.subject.keywordVolumes
dc.subject.keywordNacl.
dc.subject.ucmTermodinámica
dc.subject.unesco2213 Termodinámica
dc.titleSalt diffusion through cation-exchange membranes in alcohol-water solutions
dc.typejournal article
dc.volume.number64
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