Fig. 5

a Removal efficiency of KBBC-900 on MB at different adsorbent doses. 20 mL MB solution (150 mg/L), T = 298 K, contact time = 240 min. b Effect of initial solution pH of KBBC-900 on MB solution. 20 mL MB solution (150 mg/L), T = 298 K, adsorbent doses 2 g/L adsorbent, contact time = 240 min. c Efficiency of KBBC-900 on MB solution at different reactive temperatures. 20 mL MB solution (150 mg/L), pH = 11, adsorbent doses 2 g/L, contact time = 240 min