Fig. 7
(a) Effect of reaction temperature (pH = 9, initial dye concentration of 10 mg/L, contact time of 70 min, and adsorbent dosages of 2, 1.5, and 1 g/L for BC, BC/CoFe2O4, and BC/CoFe2O4@Mn-Fe LDH samples, respectively), (b) Linear relationship of ln kD versus 1/T for determining thermodynamic parameters.
