Brine purification process

Details Brine purification process Brine purification process

C - Chemistry, Metallurgy

01

D

23/172

C01D 3/06 (2006.01) C01D 3/16 (2006.01)

Patent

CA 1083780

INVENTION: BRINE PURIFICATION PROCESS INVENTORS: ALAN B. GANCY and CHESTER J. KAMINSKI ABSTRACT OF THE DISCLOSURE In a process for purifying raw brine containing dis- solved strontium, calcium and magnesium impurities wherein the raw brine is treated by contacting the brine with sodium carbonate for precipitation of strontium and calcium carbonate, contacting the brine containing the strontium and calcium carbonate solids with sodium hydroxide for precipitation of magnesium hydroxide, and removing strontium carbonate, calcium carbonate and magnesium hydroxide solids from the sodium chloride brine, the improvement which comprises passing at least a portion of said removed solids to the zone wherein the raw brine is contacted with sodium carbonate.

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