Title: Process for producing high grade sodium chloride
Application Number: 85101021 Application Date: 1985.04.01
Publication Number: 1006672 Publication Date: 1987.01.10
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C01D3/06
Applicant(s) Name: Dampier Salt Ltd. (AU) 177 A St. George's Terrace, Address:
Inventor(s) Name: Gerardus Hendericus Theunissen, John Neil Mcarthur
Attorney & Agent: TAO LINGAI
Abstract:
     This invention relates to a method of increasing the purity of salts, especially sodium chloride. The salt is obtained by evaporating the said salt solution containing impurities and crystallizing the concentrated solution. Before evaporation and crystallization the PH and/or oxidation-reduction electric potential should be regulated.
Time: 10