Predicting Ion Exchange Bead Rise during Backwash Flow
Abstract
Separation of cationic and anionic resin is an important step in mixed bed ion exchange operation. Prior to regeneration good separation of the two resins reduces cross contamination. Inefficient separation of the resins also leads to loss of capacity. By accurately predicting the height of the resin interface, the separation of the resins can be improved. This study proposes a bed expansion model that accurately predicts the bed expansion height.
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