Method of producing naturally purified salt products
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United States of America Patent
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Feb 10, 2015
Grant Date -
Mar 22, 2012
app pub date -
May 26, 2010
filing date -
May 29, 2009
priority date (Note) -
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Abstract
In one embodiment, a method for producing a naturally purified salt product such as magnesium sulfate heptahydrate, wherein the salt mixture is treated with a solution comprising magnesium chloride; the first slurry is separated to provide a second slurry, which is further separated to yield a first liquid stream; the first liquid stream is crystallized to provide the naturally purified salt product. In another embodiment, a high purity salt product is produced. In another embodiment, other products that are produced include naturally purified sodium chloride and magnesium chloride.
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