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The effect of corrugated membranes on salt splitting

Lookup NU author(s): Nick Tzanetakis, Dr Wathiq Taama, Emeritus Professor Keith Scott, Dr Roshan Jachuck

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Abstract

An investigation of the electrohydrolysis of sodium sulfate using a corrugated Nafion® 117 membrane is reported. A comparison of the performance of a flat and corrugated Nafion® 117 in a two-compartment membrane electrolysis cell is made. Corrugating the membrane increased the active membrane area by 57% compared to the projected area. The effect of flow rate, current density and salt concentration on current efficiencies, transport properties and achievable product concentrations are presented. The results show a large improvement on transport properties, current efficiencies and product formation using corrugated membranes. Corrugated membranes gave an improvement of up to 77% on achievable base concentration and an increase of approximately 22% in current efficiency.

Publication metadata

Author(s): Tzanetakis N, Taama WM, Scott K, Jachuck RJJ

Publication type: Article

Publication status: Published

Journal: Journal of Applied Electrochemistry

Year: 2003

Volume: 33

Issue: 5

Pages: 411-417

Print publication date: 01/05/2003

ISSN (print): 0021-891X

ISSN (electronic): 1572-8838

Publisher: Springer

URL: http://dx.doi.org/10.1023/A:1024428106739

DOI: 10.1023/A:1024428106739

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