On the methanol–water electroosmotic transport in a Nafion membrane

Electroosmosis experiments through a Nafion membrane have been performed using methanol–water KCl solutions in different experimental situations. The influence on the electroosmotic transport of the percentage of methanol on solvent at different electrolyte concentrations has been studied. The exper...

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Bibliographic Details
Published inJournal of membrane science Vol. 236; no. 1; pp. 109 - 120
Main Authors Barragán, V.M., Ruı́z-Bauzá, C., Villaluenga, J.P.G., Seoane, B.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.06.2004
Subjects
Electrolyte solution
Electroosmosis
Limiting current
Methanol
Nafion membrane
Electrolyte solution
Nafion membrane
Limiting current
Electroosmosis
Methanol
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Summary:Electroosmosis experiments through a Nafion membrane have been performed using methanol–water KCl solutions in different experimental situations. The influence on the electroosmotic transport of the percentage of methanol on solvent at different electrolyte concentrations has been studied. The experimental results show that the presence of methanol on the solutions affects strongly to the electroosmotic flow. From the current–voltage curves determined for this membrane system, the limiting currents were obtained at different volume percentages of methanol. The values obtained decrease with increasing the percentage of methanol and a minimum value seems to be reached at certain percentage of alcohol.
ISSN:0376-7388
1873-3123
DOI:10.1016/j.memsci.2003.12.033