Method for the treatment of salt brine
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United States of America Patent
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Issued Date -
Aug 16, 2007
app pub date -
Jan 11, 2007
filing date -
Jan 12, 2006
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Abandoned
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Abstract
A method for purifying salt brine to obtain a highly pure sodium chloride from the purified brine by means of crystallization. Nanofiltration directly follows a two-stage brine purification according to the Schweizerhalle method, as a third purification stage, and the permeate of the nanofiltration is a highly pure brine. The concentrate from this step is recirculated into the first stage of the brine purification.
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