Fig. 5. (a) Plot of ln(X/Ce) against X and (b) van’t Hoff plot for Sr2+ adsorption by BT1 (BT1 = 5 g, pH 10.5, reaction time = 12 h, temperature = 25 8C).
Fig. 5. (a) Plot of ln(X/Ce) against X and (b) van’t Hoff plot for Sr2+ adsorption by BT1 (BT1 = 5 g, pH 10.5, reaction time = 12 h, temperature = 25 8C).