Table 3 Kinetic parameters of CR adsorption onto GSCWCO.
From: Sustainable synthesis of graphene sand composite from waste cooking oil for dye removal
Models | Parameters | Value |
|---|---|---|
Pseudo-first-order | qe,exp (mg/g) | 5.51 |
qe (mg/g) | 3.141 | |
k1 (min−1) | 0.018 | |
R2 | 0.948 | |
Pseudo-second-order | qe (mg/g) | 5.52 |
\({k}_{2}\) (g mg−1 min−1) | 0.172 | |
R2 | 0.999 | |
Elovich | α (mg/g min) | 0.082 |
β (g/mg) | 12.358 | |
R2 | 0.917 | |
Intraparticle diffusion | \({k}_{id}\) (mg/g min1/2) | 0.023 |
C | 5.171 | |
R2 | 0.941 |
