Process for reducing the sodium chloride content of a...

Details Process for reducing the sodium chloride content of a... Process for reducing the sodium chloride content of a...

C - Chemistry, Metallurgy

01

D

23/99

C01D 5/16 (2006.01) C01D 3/14 (2006.01)

Patent

CA 1125475

Abstract A process for reducing the sodium chloride content of crystalline potassium salts without the use of sucessive recrystallization. The crystalline potassium salts having a sodium chloride content greater than about 0.8 percent by weight are sub- jected to compacting and crushing to provide a crystalline product having an average particle diameter less than 1.6 millimeters. The crystalline product is leached with a brine at least about 80 percent saturated with said potassium salt and less than 50 percent sat- urated with sodium chloride to produce a crystalline potassium salt product containing less than about 0.35 percent by weight of sodium chloride.

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