Importance

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Abstract

The invention relates to producing magnesium and chlorine from a solution of magnesium chloride-containing salts, using an electrolytic cell. A diaphragmless electrolytic cell includes: an electrolysis chamber with alternating anodes and cathodes; and a magnesium separation cell separated from the electrolysis chamber by a partition having upper V-shaped circulation channels and lower circulation channels. Electrolysis is carried out at 6-25 gas saturation of the electrolyte with chlorine bubbles in an interelectrode gap. The flow rate of the electrolyte in the upper circulation channels is 20-60. The ratio of current strength to electrolyte mass is 8-10. The ratio of the width of the electrolysis chamber to the width of the magnesium separation cell is 1.6-2.7. Additional channels are mounted in the partition, between the upper and lower circulation channels, said additional channels having a flow passage area of 0.016-0.048 of the area of the upper V-shaped channels.

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First Claim