Method of using higher concentration sulfuric acid for stripping and precipitation of adsorbed magnesium
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United States of America Patent
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Jan 15, 1985
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app pub date -
Mar 23, 1983
filing date -
Jun 22, 1981
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Abstract
This invention relates to the regeneration of cation exchanger resin containing adsorbed magnesium ions, and the recovery of the magnesium as a crystalline precipitate. The regeneration uses moderate to high concentration aqueous H.sub.2 SO.sub.4, and the recovered precipitate comprises one or more co-crystallization compounds of MgSO.sub.4 and H.sub.2 SO.sub.4.
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