Purification of aqueous sodium chloride solution

Details Purification of aqueous sodium chloride solution Purification of aqueous sodium chloride solution

C - Chemistry, Metallurgy

25

B

23/172, 204/64.3

C25B 1/16 (2006.01) C25B 1/26 (2006.01) C25B 15/08 (2006.01)

Patent

CA 1090092

Abstract of the disclosure: Ah aqueous sodium chloride solution for use in production of caustic soda in an electrolytic cell using a cation exchange membrane is purified by adding a chemical reagent for precipitation separation of impurities to said solution to remove silica through co-precipitation with a slurry of the precipitates of impurities which are circulated through said solution to be co-present with the chemical reagent. - 1 -

301326

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