Production of potassium chloride using pond crystallization
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United States of America Patent
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Jun 7, 1983
Grant Date -
N/A
app pub date -
Feb 1, 1979
filing date -
Feb 1, 1979
priority date (Note) -
Expired
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Abstract
Disclosed is a method of increasing and maintaining high concentrations of potassium chloride in a refinery process stream of brine containing potassium chloride, sodium chloride and a minor amount of salt impurities by mixing with a first process stream potassium chloride crystallized from a pond wherein a brine from a second process stream is concentrated by solar evaporation and/or cooled by low ambient air temperatures.
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