Preparation of useful MgCl.sub.2. solution with subsequent recovery of KCl from carnallite
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United States of America Patent
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Feb 3, 1981
Grant Date -
N/A
app pub date -
Mar 21, 1979
filing date -
Mar 21, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention outlines a process to beneficiate carnallite ores in such a way as to obtain anhydrous MgCl.sub.2 of sufficient purity to be used as feed for an electrolysis cell producing magnesium metal. Commercially acceptable potassium chloride as also recovered. The organic solvents and the anhydrous ammonia used to obtain the beneficiation of these carnallite materials are recovered for recycle in the process.
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