Production Of Magnesium
Another important use of electrolysis is in the production of magnesium from sea water. Sea water is a major source of that metal, since it contains more ions of magnesium than of any other metal except sodium. First, magnesium chloride, MgCl2, is obtained by precipitating magnesium hydroxide from seawater and dissolving it in hydrochloric acid. The magnesium chloride is then melted and electrolyzed. Similar to the production of sodium from molten sodium chloride, above, the molten magnesium is deposited at the cathode, while the chlorine gas is released at the anode. The overall reaction is MgCl2 Mg+Cl2.
- Electrolysis - Production Of Sodium Hydroxide, Chlorine And Hydrogen
- Electrolysis - Production Of Sodium And Chlorine
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