Abstract
Measurements of the mass transport limited current for the reduction of ferricyanide in 1M m potassium hydroxide and of copper(II) in 1.5 m sulphuric acid as a function of electrolyte flow rate are used to characterize the space-averaged mass transport properties of the FM01 laboratory electrolyser, with and without six types of polymer mesh turbulence promoters. In the absence of a promoter, the results followed the equation \(Sh{\text{ = }}0.22{\text{ Re}}^{0.71} {\text{ Sc}}^{0.33} {\text{ }}for 200 < Re < 1000\) For the cell with the preferred turbulence promoter, the corresponding equation is \(Sh{\text{ = }}0.74{\text{ Re}}^{0.62} {\text{ Sc}}^{0.33} {\text{ }}for 200 < Re < 1000\) Pressure drop data are also reported and it is confirmed that the presence of a turbulence promoter need not lead to a significant increase in the pressure drop over the reactor.
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Brown, C.J., Pletcher, D., Walsh, F.C. et al. Studies of space-averaged mass transport in the FM01-LC laboratory electrolyser. J Appl Electrochem 23, 38–43 (1993). https://doi.org/10.1007/BF00241573
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DOI: https://doi.org/10.1007/BF00241573