| 摘要 |
Anhydrous purified magnesium chloride is made from anhydrous ammonium carnallite in a specially adapted apparatus by decomposing the anhydrous ammonium carnallite in the substantial absence of contaminants, employing superheated molten magnesium chloride as the heating source, ammonium chloride vapor and molten magnesium chloride being recovered separately, and any residual magnesium oxide being precipitated from the molten magnesium chloride.
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