| http://www.w3.org/ns/prov#value | - (a) providing a feedwater to be purified; (b) treating said feedwater with a strong base anion exchange for purposes of dealkalization to remove ions including at least one of the ions selected from the group consisting of bicarbonate, carbonate, sulfate and nitrate ions to provide a substantially completely dealkalized water containing ions having a major portion comprised of sodium and chloride
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