Table 4 Nonlinear kinetic parameters for the adsorption of basic yellow 28 dye onto ZM650 and ZM850.
Adsorbent | QExp (mg/g) | Pseudo-first-order | Pseudo-second-order | ||||||
|---|---|---|---|---|---|---|---|---|---|
K1 (1/min) | R2 | Qe (mg/g) | χ2 | K2 (g/mg.min) | R2 | Qe (mg/g) | χ2 | ||
ZM650 | 369.52 | 0.1135 | 0.94821 | 324.73 | 79.36 | 4.51 × 104− | 0.9999 | 367.06 | 0.2296 |
ZM850 | 288.26 | 0.0665 | 0.9845 | 232.51 | 27.97 | 2.45 × 104− | 0.9999 | 288.29 | 0.0620 |
