Dealkalization Process- An overlooked method in High Purity Water Systems

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Dealkalization is the process of removing anions such as bicarbonates, carbonates,
sulfates, and nitrates with a chloride anion exchange. This process treats softened water
with a chloride form anion resin that exchanges chloride ions for anions in the feed water.
Dealkalizers use a Type 2 strong base anion resin such as ResinTech SBG2. The resin is
regenerated by salt (typically at a dosage rate of 5 lbs/cf), and removes up to 95% of
carbonate (CO3) and bicarbonate (HCO3) alkalinity as ...

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