Process for the recovery of magnesium and/or nickel by liquid-liquid extraction
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United States of America Patent
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Feb 14, 1984
Grant Date -
N/A
app pub date -
Sep 29, 1982
filing date -
Sep 29, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The recovery of substantially pure magnesium and/or nickel sulphite which is present in a solid starting meterial. The latter is treated with gaseous SO.sub.2 in water, the solution obtained is treated by a liquid-liquid extraction, to give an aqueous phase and an organic phase and the magnesium and/or nickel sulphite is recovered from the aqueous phase. With this process, it is possible to obtain a magnesium salt of high purity.
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