Figure 5

Adsorption characteristic of OS-M(P) and OS-M(G). (a) PFO and PSO models for Pb(II). (b) PFO and PSO models for Cd(II). (c) IPD models for Pb(II) and Cd(II). (d) Langmuir and Freundlich models for Pb(II). (e) Langmuir and Freundlich models for Cd(II). (f) Adsorption thermodynamics models for Pb(II) and Cd(II).