Cd(II) conc. (mg L−1) | PFO | R2 | PSO | R2 | |||
---|---|---|---|---|---|---|---|
qe exp | k1 | qe cal | k2 | qe cal | |||
2.0 | 0.38 | − 0.028 | 0.046 | 0.902 | 3.09 | 0.38 | 0.9999 |
50.0 | 8.90 | − 0.051 | 2.920 | 0.990 | 0.07 | 8.98 | 0.9999 |
Cd(II) conc. (mg L−1) | Intraparticle diffusion model | ||||
---|---|---|---|---|---|
kid,1 | R2 | kid,2 | R2 | C | |
2.0 | 0.0204 | 0.999 | 0.0015 | 0.975 | 0.318 |
50.0 | 0.9219 | 0.895 | 0.0828 | 0.748 | 6.278 |