RT Journal Article
T1 Salt diffusion through cation-exchange membranes in alcohol-water solutions
A1 Izquierdo Gil, María Amparo
A1 Barragán García, Vicenta María
A1 Godino Gómez, María Paz
A1 García Villaluenga, Juan Pedro
A1 Ruiz Bauzá, Carlos
A1 Seoane Rodríguez, Benjamín
AB The 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.
PB Elsevier Science BV
SN 1383-5866
YR 2009
FD 2009-01-12
LK https://hdl.handle.net/20.500.14352/43725
UL https://hdl.handle.net/20.500.14352/43725
LA eng
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NO © 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 UniversidadComplutense de Madrid under Project CCG06-UCM/MAT-1037 isalso gratefully acknowledged.
NO Comunidad de Madrid
NO Universidad Complutense de Madrid
DS Docta Complutense
RD 28 abr 2024