Table 2 Fitting parameters for the adsorption kinetic models.

Pseudo-first order model

k₁ (g mg⁻¹ min⁻¹)

q_e (mg g⁻¹)

R²

Pseudo-second order model

k₂ (g mg⁻¹ min⁻¹)

q_e (mg g⁻¹)

R²

External diffusion model

k_ext

R²

Intraparticle diffusion model

k_p,1 (mg g⁻¹ min^1/2)

R²

k_p,2 (mg g⁻¹ min^1/2)

R²

k_p,3 (mg g⁻¹ min^1/2)

Experimental

R²

q_e (mg g⁻¹)