End box of an electrodialyser, electrodialyser comprising same and electrodialysis method

Electrodialysis device endbox comprising a vertical electrode and a selectively ion-permeable membrane which is arranged vertically, facing the electrode, and separated from the latter by a vertical passageElectrodialysis device comprising an alternation of selectively ion permeable vertical membranes and dividers between two endboxes, at least one of which is as defined hereinabove.