Fig. 3. Measured, predicted and fitted breakthrough curves for B adsorption and desorption on columns Series-A for the input B concentration (a) 5 mg L^–1 and (b) 1 mg L^–1. Predictions were made using the batch-measured isotherm parameters, b_m = 17.24 mg kg^–1, k = 0.0549 L mg^–1, and Pe = 21.