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Effect of resin polymer composition on perfluoroalkyl acids (PFAAs) removal by (a,c) polyacrylic, and (b,d) polystyrene AERs in the presence of sodium bicarbonate (C0 ≈ 2.14 meq/L) at pH 7. Initial concentration of each PFAAs was C0 = 80 μg/L ( = 480 μg/L).
