Fig. 6
Effect of initial concentration on the percent removal and qe of RB (a) and LV (b) onto HAP-C 700 A, for 3.5 h contact time, a dose of 3.8 g/L at pH 7 for RB and pH 4 for LV. Adsorption isotherms of RB (c) and LV (d) onto HAP-C 700 A at pH 7 and 4, respectively, at a dose of 3.8 g/L at 25 ± 2 °C.
