Process for crystallizing potassium sulfate
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United States of America Patent
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Dec 31, 1985
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N/A
app pub date -
Mar 25, 1985
filing date -
Aug 2, 1983
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Abstract
An improved process for the production of potassium sulfate crystals by the reaction of saturated solution of potassium chloride with langbeinite in the solid phase at a temperature of from 45.degree.-55.degree. C., thereby forming potassium sulfate crystals and magnesium chloride solution comprising the step of conducting the reaction in the presence of a growth enhancer comprising monosulfonated or monosulfated surfactant and a neutralized disulfonated surfactant in a weight ratio of from about 0.14 to 0.69.
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