Evaluation of Methylene Blue Sorption onto Low-Cost Biosorbents: Equilibrium, Kinetics, and Thermodynamics

Figure 7

Freundlich isotherm plot for the sorption of methylene blue onto Ginkgo biloba leaves: (a) nonlinear form; (b) linear form (temperature: 303°K and 323 K; MB concentration: 30 mg/L).

(a)

(b)