Abstract
Equilibrium and kinetic studies were carried out on the removal of dissolved oxygen from water using a macroreticular anion exchanger Tulsion A-27 MP in sulphite form. Experiments were performed in simple batch equipment at room temperature. The equilibrium studies indicated that 26 mg of oxygen was taken up per gram of anion exchanger, at a final concentration of dissolved oxygen of 2–6 ppm. Sorption was less at lower oxygen concentration. It was possible to reduce the concentration of oxygen from 8 ppm to 0.9 ppm by this method. It was found that kinetic data could be correlated with a mass-transfer control model. The overall mass-transfer coefficient was observed to be in the range 6.33 × 10 −3 − 20 × 10 −3 cm/s.
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