Table 11.
Kinetic parameters for phenol adsorption.
Co (mg/L) |
Qe, exp. (mgg−1) |
Pseudo-first order |
Pseudo-second order |
Intra-particle diffusion |
|||||
---|---|---|---|---|---|---|---|---|---|
Qe, cal (mgg−1) |
K1 (min−1) |
R2 | Qe, cal (mgg−1) |
K2 (min−1) |
R2 | Kp (mgg−1min−0,5) |
R2 | ||
100 | 10.3 | 3.8 | 0.05 | 0.97 | 14.64 | 0.003 | 0.99 | 1.02 | 0.96 |
150 | 19.7 | 3.3 | 0.01 | 0.90 | 19.08 | 0.002 | 0.99 | 1.20 | 0.94 |
200 | 29.1 | 4.0 | 0.01 | 0.95 | 29.33 | 0.001 | 0.99 | 2.04 | 0.96 |