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García Villaluenga, Juan Pedro ; Khayet Souhaimi, Mohamed ; Godino Gómez, María Paz ; Seoane Rodríguez, Benjamín ; Mengual Cabezón, Juan Ignacio | Elsevier Science BV | 2005-12The effect of the membrane thickness on the pervaporation separation of methanol and methyl tertiary butyl ether mixtures through membranes was studied. Membranes of a wide range of thicknesses were prepared from two different polymers: cellulos[...]texto impreso
Barragán García, Vicenta María ; García Villaluenga, Juan Pedro ; Izquierdo Gil, María Amparo ; Godino Gómez, María Paz ; Seoane Rodríguez, Benjamín ; Ruiz Bauzá, Carlos | Elsevier Science BV | 2008-10-15Liquid permeation and uptake measurements of pure water and methanol were carried out using three commercial cation-exchange membranes: Nafion-117 (perfluorinated polyethylene with pendant ether-linked side chains terminated with sulfonated grou[...]texto impreso
Godino Gómez, María Paz ; Peña, Luis ; Ortiz de Zárate Leira, José María ; Mengual Cabezón, Juan Ignacio | Taylor & Francis Inc | 1995Water transport in the vapor phase through a porous hydrophobic membrane has been studied in different experimental situations. Pure water and/or different aqueous solutions of sodium chloride, ranging from 0.5 to 5 mol/L, were employed on both [...]texto impreso
Dinis Vizcaíno, Luis Ignacio ; Barragán García, Vicenta María ; Contreras González, José Luis ; Barrio Uña, Juan Abel ; Godino Gómez, María Paz ; Izquierdo Gil, María Amparo ; Mohino Harris, Elsa ; Rodríguez López, Oscar ; Rodríguez Pérez, Oscar ; Zarco Moreno, Manuel | 2015-07-10En convocatorias anteriores de los PIMCD se ha desarrollado un Catálogo de experiencias de cátedra para la docencia de Física General que cuenta actualmente con más de 40 experiencias en funcionamiento disponibles en el Laboratorio de Física Gen[...]texto impreso
Barragán García, Vicenta María ; García Villaluenga, Juan Pedro ; Godino Gómez, María Paz ; Izquierdo Gil, María Amparo ; Ruiz Bauzá, Carlos ; Seoane Rodríguez, Benjamín | Academic Press Inc Elsevier Science | 2009-05-15Solvent uptake, hydraulic and electroosmotic permeabilities, true cation transport number, effective fixed charge concentration, and limiting current values have been determined in aqueous LiCl solutions for three commercial cation-exchange memb[...]texto impreso
García Villaluenga, Juan Pedro ; Barragán García, Vicenta María ; Izquierdo Gil, María Amparo ; Godino Gómez, María Paz ; Seoane Rodríguez, Benjamín ; Ruiz Bauzá, Carlos | John Wiley & SONS INC | 2009-11-05Liquid permeation measurements of water, methanol, and 2-propanol were carried out using a commercial cation-exchange membrane Nafion-117 (perfluorinated polyethylene with pendant ether-linked side chains terminated with sulfonated groups). The [...]texto impreso
Mengual Cabezón, Juan Ignacio ; Khayet Souhaimi, Mohamed ; Godino Gómez, María Paz | Elsevier | 2004-02-04In the membrane distillation (MD) literature, the heat transfer coefficients of the boundary layers are usually estimated from well known heat transfer empirical correlations developed for non-porous and rigid heat exchangers. A difference betwe[...]texto impreso
Godino Gómez, María Paz ; Barragán García, Vicenta María ; García Villaluenga, Juan Pedro ; Izquierdo Gil, María Amparo ; Ruiz Bauzá, Carlos ; Seoane Rodríguez, Benjamín | Elsevier Science, SA | 2010-08-15The aim of this work was to study the sorption and transport of different water–alcohol solutions (methanol, ethanol, 1-propanol and 2-propanol solutions) when a Nafion 117 membrane is separating them. It was observed that methanol permeability [...]texto impreso
Godino Gómez, María Paz ; Barragán García, Vicenta María ; Izquierdo Gil, María Amparo ; García Villaluenga, Juan Pedro ; Seoane Rodríguez, Benjamín ; Ruiz Bauzá, Carlos | Taylor & Francis Inc | 2011Measurements of liquid transport were made with a Nafion membrane at different cationic forms. The experimental data are used to estimate the alcohol permeability when the membrane is separating water and water-methanol solutions. The obtained p[...]texto impreso
Peña, Luis ; Godino Gómez, María Paz ; Mengual Cabezón, Juan Ignacio | Elsevier Science BV | 1998-05-27A method is proposed that permits to evaluate the net membrane distillation coefficient. The method, which completes and is based on a model previously reported, emphasizes the influence of the unstirred boundary layers on the membrane distillat[...]texto impreso
Khayet Souhaimi, Mohamed ; Godino Gómez, María Paz ; Mengual Cabezón, Juan Ignacio | Walter de Gruyter & CO | 2001The physical nature of water flow, in vapour phase, through the pores of a microporous partition has been studied according to the possibilities suggested by the Kinetic Theory of Gases. A method is proposed that permits to decide which is the m[...]texto impreso
García Villaluenga, Juan Pedro ; Godino Gómez, María Paz ; Khayet Souhaimi, Mohamed ; Seoane Rodríguez, Benjamín ; Mengual Cabezón, Juan Ignacio | 2004-05-12Pervaporation separation and swelling experiments of methanol/methyl tert-butyl ether mixtures were performed by using a flat-sheet, dense poly(2,6-dimethyl-1,4-phenylene oxide) membrane prepared from a chloroform casting solvent. The effect of [...]texto impreso
García Villaluenga, Juan Pedro ; Khayet Souhaimi, Mohamed ; Godino Gómez, María Paz ; Seoane Rodríguez, Benjamín ; Mengual Cabezón, Juan Ignacio | American Chemical Society | 2003-01-22The pervaporation characteristics of toluene/methanol, toluene/ethanol, and toluene/propanol mixtures through a linear low-density polyethylene membrane were investigated at different feed compositions. These characteristics were obtained from q[...]texto impreso
Khayet Souhaimi, Mohamed ; García Villaluenga, Juan Pedro ; Godino Gómez, María Paz ; Mengual Cabezón, Juan Ignacio ; Seoane Rodríguez, Benjamín ; Khulbe, K. C. ; Matsuura, T. | Elsevier | 2004-10-15Dense flat-sheet membranes were prepared from poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) using the casting solvents chloroform and 1,1,2-trichloroethylene. X-ray diffraction, tapping mode atomic force microscopy (TM-AFM), and contact angle stu[...]texto impreso
Izquierdo Gil, María Amparo ; Barragán García, Vicenta María ; Godino Gómez, María Paz ; García Villaluenga, Juan Pedro ; Ruiz Bauzá, Carlos ; Seoane Rodríguez, Benjamín | Elsevier Science BV | 2009-01-12The 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[...]
