Ponce de León, Carlos, Whyte, Ian, Reade, Gavin W., Male, Stewart E. and Walsh, Frank C.
Mass transport and flow dispersion in the compartments of a modular 10 cell filter-press stack
Australian Journal of Chemistry, 61, (10), . (doi:10.1071/CH07161).
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Flow dispersion, pressure drop, and averaged mass transport measurements have been made to characterize the reaction environment in an industrial scale electrochemical reactor. The 10 cell filter-press stack was operated with a relatively low mean linear velocity in the range 0.6 to 6.2 cm s–1. Flow dispersion was studied by a perturbation–response technique by electrolyte conductivity measurements at the reactor outlet. Mass transport coefficients were evaluated from the first order reaction decay of dissolved bromine (Br3–) which was anodically generated from 1 mol dm–3 NaBr (aq). Each cell consisted of two 0.72 m2 projected area electrodes separated by a cationic membrane, and each electrolyte compartment contained a high-density polyolefin turbulence promoter. The electrodes consisted of a carbon/polyethylene core with a layer of an activated carbon–poly(vinylidene difluoride) composite on each side. Comparison is made with the mass transport characteristics of a similar system that contains five bipolar cells.
|Digital Object Identifier (DOI):
||activated carbon electrode, bromide ion, bromine, energy storage, filter-press cells, flow dispersion, mass transport, pressure drop, redox flow battery, reaction environment, tribromide ion
||Engineering Mats & Surface Engineerg Gp
|18 May 2007||Submitted|
|6 October 2008||Published|
||07 Oct 2008
||16 Apr 2017 17:25
|Further Information:||Google Scholar|
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