Researchers at the Non-Ferrous Metallurgy and Gold Department of the Moscow State Institute of Steel and Iron Alloys at the Russian National Research Technical University have recently developed a new technology that can increase the production of magnesium used in the aerospace and defense industries.

The traditional method is to obtain pure magnesium by electrolyzing the magnesium compound MgCl2 in a chlorinated environment. However, only 80% of the magnesium in the electrolysis process is recovered, and the remaining 20% ​​is wasted.

Andrei Leshenko, head of research at the Moscow State Institute of Steel and Iron Alloys, said that under traditional conditions, the electrolytic magnesium-chloride compound cathode releases liquid magnesium and the electrolytic anode releases gaseous chlorine. By lowering the temperature of the electrolyte, they found a way to prevent this process and release solid magnesium.

It turned out that if the temperature of the electrolyte is increased quite quickly (within an hour) to melt the magnesium and then quickly remove it from the electrolyte, then less than 5% of the metal will be lost, while traditional techniques will lose 20% of the metal. In this way, scholars can increase the output of magnesium by 15%, while reducing power consumption by 5%.

The Moscow State Institute of Iron and Steel Alloys said that in the near future, researchers plan to automate the entire operation.

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