Process for the production of potassium sulfate from potassium chloride by means of ion exchangers
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United States of America Patent
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Nov 17, 1987
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N/A
app pub date -
Apr 17, 1986
filing date -
Apr 17, 1985
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Expired
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Abstract
A process is disclosed for the production of potassium sulfate from potassium chloride by means of a sulfate-laden anion exchanger, according to which as reaction solution, the exchanger is intensively contacted with a saturated potassium chloride solution, after saturation with potassium sulfate, and thereupon again separated, whereupon from this solution the crystals formed therein are separated, while the depleted anion exchanger is regenerated by intensive contact with a magnesium sulfate solution.
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