Electrolysis cell

Details Electrolysis cell Electrolysis cell

C - Chemistry, Metallurgy

25

B

C25B 11/02 (2006.01) C25B 1/46 (2006.01)

Patent

CA 2664642

The invention relates to an electrolysis cell of the single-element type design for chlor-alkali electrolysis plants, comprising an anode compartment and a cathode compartment, each of the two compartments containing an electrode connected to the rear wall of the respective compartment by means of parallel bars. The electrodes are thus subdivided into several sections. In accordance with the invention, at least one of two electrodes is provided with a curved shape in each section, this curved section protruding towards the opposite electrode and pressing a membrane area against the opposite electrode. According to a preferred embodiment, the curved shape of the various electrode sections is obtained by means of springs.

L'invention concerne une cellule électrolytique de type monoélément destinée à des installations d'électrolyse chlore-alcali, comprenant un compartiment pour l'anode et un compartiment pour la cathode, chacun des deux compartiments contenant une électrode reliée à la paroi arrière du compartiment dans lequel elle se trouve au moyen de barres parallèles. Les électrodes sont ainsi subdivisées en plusieurs sections. Conformément à l'invention, au moins l'une des deux électrodes présente une forme incurvée sur chaque section, cette section incurvée faisant saillie vers l'électrode opposée et comprimant une membrane contre l'électrode opposée. Selon un mode de réalisation préféré, la forme incurvée des différentes sections d'électrode est obtenue au moyen de ressorts.

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