Behaviour of a tall vertical gas-evolving cell. Part I: Distribution of void fraction and of ohmic resistance

L.J.J. Janssen, G.J. Visser

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    Abstract

    Electrolysis of a 22 wt % NaOH solution has been carried out in a vertical tall rectangular cell with two segmented electrodes. The ohmic resistance of the solution between a segment pair has been determined as a function of a number of parameters, such as, current density and volumetric rate of liquid flow. It has been found that the ohmic resistance of the solution during the electrolysis increases almost linearly with increasing height in the cell. Moreover, a relation has been presented describing the voidage in the solution as a function of the distance from the electrodes and the height in the cell.
    Original languageEnglish
    Pages (from-to)386-394
    JournalJournal of Applied Electrochemistry
    Volume21
    Issue number5
    DOIs
    Publication statusPublished - 1991

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