Patent ID: 8951305
Filing Date: 2015-02-10
Classification: C01D,C01F

Abstract:
1. A method for producing a naturally purified salt product from a salt mixture comprising the naturally purified salt product and sodium chloride, comprising the steps of: a. treating the salt mixture with a solution at an elevated temperature to form a first slurry, wherein at least a portion of the solution comprises magnesium chloride; b. a first separating of the first slurry to yield a first solid and a second slurry, wherein at least a portion of the first solid comprises sodium chloride; c. a second separating of the second slurry to yield a second solid and a first liquid stream; d. crystallizing a third solid in the first liquid stream to yield a third slurry, and e. a third separating of the third slurry to yield a second liquid stream and a third solid, wherein at least a portion of the second liquid stream comprises magnesium chloride, and wherein the third solid comprises a naturally purified salt product.